World Resorts Switzerland Geneva Weather

Geneva weather in August

Weather in Geneva: August

Average day temperature: 76.9°F
Average night temperature: 54.3°F
Sea water temperature: 68.1°F
Number of sunny days: 19 days
Day length: 12.5 - 14.8 hours
Number of rainy days: 5 days
Precipitation totals: 2.9 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 90°F. At the same time the lowest night temperature was 36°F. Daily and nightly averages during August were 78.9°F and 61.2°F.

Sea water temperature in Geneva in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 75.2°F. The highest and lowest sea temperatures during the month were 78.6°F and 70.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Geneva in August is 2.2 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 3.5 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.6.

Best time for vacation in Geneva

Sunniest months:
August 19 days
July 18 days
September 15 days
Warmest months:
August 76.9 °F
July 76.6 °F
June 72.9 °F
Warmest sea temp:
August 68.1 °F
July 67.6 °F
September 64.4 °F
Coldest months:
January 38.5 °F
December 40.9 °F
February 42.7 °F
Rainiest months:
May 7 days
June 7 days
July 6 days
Windiest months:
January 5.0 mph
February 4.8 mph
April 4.8 mph

Geneva on a weather map

Geneva
+75°F
SE 4 mph
Feels like: +77°F
Precip.: 10%
Places in Switzerland:
Name
°F
+72°F
+64°F
+55°F
+70°F
+64°F
+75°F
+70°F
+72°F
+73°F
+68°F
+64°F
+66°F
+50°F
+70°F
+64°F
24 Hours Forecast
Geneva
Local time: 19:03
September 02, wednesday
2100
70°F
SE
2 mph
September 03, thursday
0000
64°F
NW
2 mph
0300
61°F
N
2 mph
0600
59°F
N
2 mph
0900
59°F
SW
1 mph
1200
70°F
S
4 mph
1500
75°F
SW
6 mph
1800
75°F
SW
6 mph
Units of measurement: °C / °F