Metar & Taf

Visual decoder

Weather in Geneva

Calculated from weather data of Geneva Cointrin International Airport (LSGG) between 2020 and 2024.

Maximum temperatures (°C)

Month Average 2024 2023 2022 2021 2020
January 5.6 7.0 6.2 5.4 4.5 7.0
February 9.4 11.3 9.9 9.5 9.8 12.0
March 12.5 13.5 12.8 13.1 12.0 11.9
April 16.3 15.9 14.0 15.3 14.8 19.3
May 19.8 19.1 20.1 23.3 17.1 20.6
June 25.3 24.1 26.8 27.0 25.3 22.5
July 27.8 27.1 28.6 30.1 24.3 28.1
August 27.3 28.8 28.1 28.6 23.8 27.3
September 22.1 19.5 25.1 20.8 22.3 22.8
October 17.0 16.1 18.8 19.1 15.1 14.1
November 9.7 10.0 11.5 8.0 10.5
December 6.5 8.3 4.5 5.5 6.5
Average 16.9 18.2 17.4 17.8 15.2 16.9

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month Average 2024 2023 2022 2021 2020
January -1.8 1 2 -1 0 -1
February 0.6 3 -1 1 1 2
March 2.8 4 4 2 2 3
April 5.3 6 5 5 4 6
May 9.4 10 11 12 7 10
June 14.3 14 15 15 15 13
July 16.0 16 17 17 15 16
August 15.4 17 17 16 14 15
September 11.7 12 14 11 13 12
October 8.2 10 10 11 6 7
November 3.5 4 5 3 4
December 1.0 2 0 0 1
Average 7.6 9.3 8.2 8.0 6.6 7.2

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days 2024 2023 2022 2021 2020
30 °C or warmer 19 28 34 5 19
25 °C or warmer 65 83 90 41 67
20 °C or warmer 114 137 137 121 136
0 °C or colder 21 41 46 46 46

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 16.3 18 19 5 26 9
February 10.8 7 1 11 9 22
March 11.1 7 16 2 5 11
April 8.8 10 14 13 7 7
May 11.5 18 6 5 22 8
June 6.4 7 4 5 4 14
July 3.4 2 4 1 11 1
August 5.5 1 10 3 6 8
September 7.6 18 6 9 7 6
October 11.8 13 16 9 10 17
November 14.5 32 15 8 3
December 21.3 21 15 21 21
Average 9.8 9.7 11.2 6.9 10.8 9.9

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month Average 2024 2023 2022 2021 2020
January 11.2 11 12 12 10 9
February 11.5 10 10 12 12 16
March 12.2 10 14 9 14 12
April 12.3 13 13 12 15 10
May 11.8 10 13 12 12 14
June 10.2 11 9 10 9 10
July 10.6 9 11 12 10 11
August 9.9 9 11 11 11 10
September 10.5 13 8 11 8 10
October 9.2 8 11 8 10 11
November 9.4 12 8 11 7
December 9.5 10 7 8 10
Average 10.8 10.5 11.1 10.6 10.9 10.8

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month 2024 2023 2022 2021 2020
January W NW NE W SW
February SW NE SW S SW
March SW SW NE NE NE
April SW E NE NE E
May SW NE NE SW NE
June SW NE SE NE SW
July S SW NE E NE
August NE SW NE NE E
September NE SE S NE E
October NE SW SW NE SW
November SW SW NE NE
December SW NE SW SW

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Geneva weather Q&A

What is the warmest month in Geneva?

The warmest month is July with an average temperature of 28 °C over the past years.

What is the coldest month in Geneva?

The coldest month is January with an average daytime temperature of 6 °C in the past few years.

Which month is the wettest in Geneva?

Chance of precipitation is the highest in December with a probability of around 21.4 %.

Which month is the driest in Geneva?

The least rainfall and snow can be expected in July. The probability is about 3.4 %.