World Resorts Switzerland Geneva Weather

Geneva sea water temperature

Current sea water temperature:
+58.3°F
Minimum sea water temperature in May: 66.0°F
Maximum sea water temperature in May: 32.0°F
Average sea water temperature in May: 55.4°F

Sea water temperature for the last 10 days:

May 19 58.3°F May 14 58.3°F
May 18 58.1°F May 13 58.3°F
May 17 58.1°F May 12 58.5°F
May 16 58.3°F May 11 58.5°F
May 15 58.3°F May 10 58.5°F

When is the warmest sea in Geneva?

Based on the data about daily sea water temperature for the last three years the warmest sea in Geneva was noticed in August, July and September.

Monthly Sea Temperatures in Geneva, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 71.9°F. The highest and lowest sea temperatures during the month were 75.0°F and 68.2°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 72.0°F. The highest and lowest sea temperatures during the month were 76.1°F and 68.4°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 69.4°F and 64.0°F.

Best time for vacation in Geneva

Sunniest months:
August 19 days
July 17 days
September 15 days
Warmest months:
August 76.7 °F
July 76.2 °F
June 72.6 °F
Warmest sea temp:
August 67.7 °F
July 67.0 °F
September 64.4 °F
Coldest months:
January 38.5 °F
December 40.9 °F
February 42.7 °F
Rainiest months:
May 8 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
+59°F
NE 7 mph
Feels like: +57°F
Precip.: 0%
Places in Switzerland:
Name
°F
+52°F
+55°F
+50°F
+45°F
+54°F
+46°F
+59°F
+59°F
+41°F
+55°F
+52°F
+50°F
+52°F
+45°F
+54°F
24 Hours Forecast
Geneva
Local time: 18:39
May 19, tuesday
2100
50°F
NE
3 mph
May 20, wednesday
0000
48°F
NE
3 mph
0300
48°F
NE
2 mph
0600
48°F
N
2 mph
0900
57°F
NE
2 mph
1200
66°F
E
2 mph
1500
70°F
S
2 mph
1800
70°F
S
4 mph
Units of measurement: °C / °F