Geneva - When to Visit

When to Visit Geneva

Climate guide & best times to travel

Monthly Climate Data for Geneva Average temperature and rainfall by month Climate Overview -6°C 3°C 12°C 21°C 31°C Rainfall (mm) 0 48 96 Jan Jan: 5.0°C high, -1.0°C low, 74mm rain Feb Feb: 7.0°C high, -1.0°C low, 56mm rain Mar Mar: 11.0°C high, 1.0°C low, 61mm rain Apr Apr: 15.0°C high, 5.0°C low, 66mm rain May May: 20.0°C high, 9.0°C low, 79mm rain Jun Jun: 24.0°C high, 12.0°C low, 84mm rain Jul Jul: 26.0°C high, 14.0°C low, 79mm rain Aug Aug: 26.0°C high, 14.0°C low, 81mm rain Sep Sep: 21.0°C high, 10.0°C low, 91mm rain Oct Oct: 15.0°C high, 7.0°C low, 97mm rain Nov Nov: 9.0°C high, 2.0°C low, 89mm rain Dec Dec: 5.0°C high, 0.0°C low, 89mm rain Temperature Rainfall
Geneva sits at the southwestern tip of Lake Geneva (Lac Léman), where the lake meets the Rhône River, and its climate is what you'd call temperate oceanic with a continental twist. You'll get four distinct seasons here, though the proximity to the Alps means weather can be somewhat unpredictable—those mountain influences tend to create their own microclimates. Winters are cold and damp, hovering just above freezing, while summers are pleasantly warm without getting oppressively hot. The city gets fairly consistent rainfall throughout the year, though autumn tends to be the wettest period, and that 70% humidity is pretty steady regardless of season. What's interesting is that Geneva doesn't really have a true "dry season"—you're looking at 2-4 inches of rain most months, so a decent umbrella is never a bad idea. The shoulder seasons (spring and autumn) can be particularly variable, with temperatures swinging quite a bit from day to day. Summer, from June through August, is when the city really comes alive, with temperatures in the mid-to-upper 70s°F making it ideal for lakeside activities and outdoor dining. That said, the weather patterns have been somewhat less predictable in recent years, so it's worth building some flexibility into your plans.

Best Time to Visit

Beach & Relaxation
Late June through August offers the warmest weather for enjoying Lake Geneva's beaches and waterfront, with temperatures reaching 75-80°F (24-27°C) and long daylight hours.
Cultural Exploration
May through June or September are ideal—you'll avoid the peak summer crowds while still getting pleasant weather in the 60s-70s°F for walking between museums, galleries, and the Old Town.
Adventure & Hiking
June through September provides the most reliable conditions for hiking in the nearby Jura Mountains and Alps, with trails typically clear of snow and temperatures comfortable for full-day excursions.
Budget Travel
November through March (excluding Christmas/New Year) tends to see lower hotel rates and fewer tourists, though you'll need to pack for cold, damp weather and shorter daylight hours.

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What to Pack

Year-Round Essentials

Compact umbrella
Geneva gets consistent rainfall throughout the year, and those sudden showers have a way of catching you between attractions.
Comfortable walking shoes
The Old Town's cobblestone streets and lakeside promenades mean you'll be doing a lot of walking on varied surfaces.
Layering pieces
Temperature swings throughout the day are common, especially in spring and autumn, and buildings can be warm while streets are chilly.
Reusable water bottle
Geneva's public fountains provide excellent drinking water throughout the city, saving you money and plastic.
Smart casual outfit
Geneva leans more formal than many European cities, and you'll feel out of place in very casual attire at nicer restaurants.
Sunglasses
Even in cooler months, the reflection off Lake Geneva can be surprisingly bright on sunny days.

Spring (Mar-May)

Clothing
Light sweaters and cardigans, Long pants or jeans, Light jacket or blazer, Mix of short and long-sleeve shirts
Footwear
Waterproof walking shoes or boots that can handle occasional rain and puddles
Accessories
Scarf for cooler mornings, Light rain jacket, Small daypack
Layering Tip
Think in threes—base layer, mid-layer, and outer layer—since you'll likely shed and add clothing as temperatures shift throughout the day.

Summer (Jun-Aug)

Clothing
Light cotton or linen shirts, Shorts and summer dresses, One light sweater for air-conditioned spaces, Swimwear for lake activities
Footwear
Breathable walking shoes or quality sandals with good support
Accessories
Sunhat or cap, Sunscreen, Sunglasses, Light evening wrap
Layering Tip
Minimal layering needed during the day, but bring something light for cooler evenings by the lake or in higher elevations.

Autumn (Sep-Nov)

Clothing
Medium-weight sweaters, Long pants and jeans, Waterproof jacket or coat, Long-sleeve shirts
Footwear
Waterproof boots or shoes with good traction for wet cobblestones
Accessories
Warm scarf, Gloves for November, Sturdy umbrella, Warm hat for later in season
Layering Tip
Similar to spring but trending warmer to cooler—by November you'll want proper winter layers as temperatures drop significantly.

Winter (Dec-Feb)

Clothing
Warm winter coat, Thermal underlayers, Heavy sweaters, Warm pants or lined jeans
Footwear
Insulated, waterproof boots with good grip for icy conditions
Accessories
Warm winter hat, Insulated gloves or mittens, Thick scarf, Warm socks
Layering Tip
Full winter layering is essential—the damp cold feels colder than the thermometer suggests, especially near the lake where wind can be biting.
Plug Type
Type J (unique to Switzerland, with three round pins)
Voltage
230V, 50Hz
Adapter Note
Yes, Switzerland uses a unique plug type that's different from the rest of Europe, so you'll need a specific Swiss adapter or a universal adapter with Type J compatibility.

Skip These Items

Heavy beach towels (hotels provide them, and they're bulky) Excessive formal wear (Geneva is upscale but not overly dressy for tourists) Too many electronics (Switzerland has excellent shops if you forget something) Bulky guidebooks (most information is easily accessible on your phone) Plastic water bottles (the tap water is excellent and fountains are everywhere)

Month-by-Month Guide

January

January is the heart of Geneva's winter, with cold, damp conditions and temperatures that hover just above freezing. The city takes on a quieter atmosphere after the holiday rush, and you'll likely encounter overcast skies and occasional snow flurries, though heavy snowfall in the city itself is actually less common than you might expect. It's a decent time for museum visits and fondue, but the short days and grey weather aren't for everyone.

5°C (41°F) High
-1°C (30°F) Low
74mm (2.9in) Rainfall
Low Crowds
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February

February continues the winter chill, though temperatures start to tick up ever so slightly by month's end. You're still looking at cold, damp conditions with the lowest rainfall of the year, which is relative—it's still pretty wet by most standards. This is typically the quietest month for tourism, making it a good time for budget travelers who don't mind bundling up.

7°C (44°F) High
-1°C (30°F) Low
56mm (2.2in) Rainfall
Low Crowds
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March

Spring starts to make an appearance in March, with temperatures climbing into the low 50s°F and the first hints of green returning to the parks. That said, the weather can be quite variable—you might get a sunny, mild day followed by a cold snap. The city starts to wake up from its winter slumber, and you'll notice more outdoor café seating appearing, though locals are still bundled up by evening.

12°C (53°F) High
2°C (35°F) Low
61mm (2.4in) Rainfall
Medium Crowds
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April

April brings proper spring weather to Geneva, with temperatures reaching into the 60s°F and the lakeside parks coming into full bloom. The weather can still be unpredictable—those Alpine influences mean you might experience several seasons in one day—but it's generally pleasant for walking tours and outdoor exploration. This is when tourism starts to pick up, particularly around Easter if it falls in April.

16°C (60°F) High
5°C (41°F) Low
66mm (2.6in) Rainfall
Medium Crowds
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May

May is one of Geneva's most appealing months, with temperatures in the upper 60s°F and the city looking its best with flowers in bloom and the lake sparkling. You're getting longer days now, which means more time to explore, and the outdoor terraces are in full swing. Worth noting that rainfall ticks up a bit, but it's usually short showers rather than all-day affairs.

20°C (68°F) High
9°C (48°F) Low
79mm (3.1in) Rainfall
Medium Crowds
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June

Summer arrives in June with warm, pleasant temperatures in the mid-70s°F and some of the longest days of the year. This is when Lake Geneva becomes the city's playground, with people swimming, sailing, and lounging on the lakeside beaches. Tourist numbers are climbing but haven't quite reached peak season levels, making it something of a sweet spot for visiting.

24°C (75°F) High
12°C (54°F) Low
84mm (3.3in) Rainfall
High Crowds
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July

July is peak summer in Geneva, with the warmest temperatures of the year reaching around 80°F and the city buzzing with activity. The lakeside is packed, outdoor festivals are in full swing, and everyone seems to be on terrasse enjoying the weather. It's also peak tourist season, so expect crowds at major attractions and higher prices, though the atmosphere is undeniably festive.

27°C (80°F) High
14°C (58°F) Low
79mm (3.1in) Rainfall
High Crowds
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August

August continues the summer warmth with temperatures similar to July, though many locals actually leave the city for their own vacations, creating an interesting dynamic where tourist numbers are high but the city feels slightly emptier. The weather remains ideal for lake activities and outdoor dining, and you'll still get those long, warm evenings that make Geneva so appealing in summer.

26°C (79°F) High
14°C (57°F) Low
81mm (3.2in) Rainfall
High Crowds
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September

September brings the beginning of autumn with temperatures dropping into the upper 60s°F, but it's often one of the most pleasant months to visit. The summer crowds thin out, the weather is still warm enough for outdoor activities, and there's a certain crispness to the air that's quite refreshing. Rainfall does increase noticeably, becoming the wettest month, so a good rain jacket becomes more essential.

21°C (69°F) High
11°C (51°F) Low
91mm (3.6in) Rainfall
Medium Crowds
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October

October sees autumn taking hold, with temperatures in the upper 50s°F and the foliage around Lake Geneva turning beautiful shades of gold and red. The weather becomes more changeable, and you're looking at the highest rainfall of the year, so indoor attractions become more appealing. It's shoulder season, meaning fewer tourists and better hotel rates, but you'll need to pack for variable conditions.

15°C (59°F) High
7°C (44°F) Low
97mm (3.8in) Rainfall
Medium Crowds
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November

November is when Geneva really transitions into winter mode, with temperatures dropping into the 40s°F and grey, damp conditions becoming the norm. The days get noticeably shorter, and the city takes on a quieter, more introspective character. It's not the most appealing time for casual tourists, but if you're here for business or don't mind the gloom, you'll find much lower prices and empty museums.

9°C (48°F) High
2°C (36°F) Low
89mm (3.5in) Rainfall
Low Crowds
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December

December brings the Christmas markets and festive atmosphere that brighten up the cold, dark days. Temperatures are similar to January, hovering around freezing, and you'll get that damp cold that seems to seep into everything. The holiday season brings tourists back to the city, particularly in the weeks leading up to Christmas, and the decorations around the Old Town and lakefront are quite charming despite the weather.

6°C (42°F) High
-1°C (31°F) Low
89mm (3.5in) Rainfall
Medium Crowds
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