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Monthly climate guide

Geneva weather in December

Expect cold weather in Geneva in December: afternoons reach about 5°C (40°F), while nights drop to around -2°C (29°F). Around 123 mm of rain falls over the month (wet), and skies are often cloudy. Daytime highs are 4°C cooler than November and 2°C warmer than January.

What stands out in December

  • December is among Geneva's three coolest months.
  • Nights often drop below freezing (average low -2°C), so expect frost and icy mornings.
  • Keep a flexible plan: if showers roll in, shift Patek Philippe Museum to a drier part of the day.
  • Geneva is usually about 2°C warmer than Lausanne, 50 km away, in December.

Avg high

5°C

40°F

Avg low

-2°C

29°F

Rainfall

123 mm

wet

Humidity

82%

relative

Sky

74%

cloud · often cloudy

Geneva weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Geneva
MonthAvg highAvg lowRainHumidityCloud cover
January3°C / 38°F-3°C / 26°F106 mm85%77%
February4°C / 40°F-3°C / 26°F76 mm82%73%
March9°C / 48°F0°C / 33°F75 mm79%66%
April14°C / 56°F4°C / 39°F77 mm76%67%
May16°C / 61°F7°C / 45°F124 mm78%71%
June21°C / 69°F12°C / 53°F111 mm76%66%
July23°C / 74°F14°C / 57°F99 mm70%58%
August24°C / 75°F14°C / 57°F83 mm67%56%
September20°C / 68°F10°C / 50°F73 mm71%58%
October16°C / 60°F6°C / 43°F94 mm77%66%
November9°C / 49°F2°C / 35°F100 mm81%73%
December5°C / 40°F-2°C / 29°F123 mm82%74%

What to pack for December

  • A proper insulated winter coat
  • A hat, scarf and gloves
  • Thermal base layers and warm, grippy boots for icy mornings
  • A compact umbrella or packable rain jacket
  • Water-resistant shoes
Full season-by-season packing guide →

Is December a good time to visit Geneva?

Our Geneva guide recommends: May to September, for warm days and long evenings by the lake.

A day trip along Lake Geneva to the Lavaux vineyard terraces (a short train ride away) is one of the most rewarding half-days from the city.

Best time to visit Geneva →

Other Switzerland cities in December

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Geneva in December: quick answers

Is December a good time to visit Geneva?

December is cool in Geneva, with highs around 5°C. Better for museums and city walks than the beach, and usually quieter.

How warm is Geneva in December?

Average highs are about 5°C (40°F) and average lows about -2°C (29°F), based on 10 years of daily data.

Does it rain a lot in Geneva in December?

Geneva typically gets around 123 mm of rain in December — wet.

When is the best time to visit Geneva?

May to September, for warm days and long evenings by the lake.

Figures are long-term averages for the area around Geneva (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.