Measurements:
°C
°F
Groningen
56°F
E 8 mph
Feels like: 54°F
Precip: 15%
World Resorts Netherlands Groningen Weather

Groningen Sea Water Temperature

Current Sea Water Temperature:
+66.4°F
Maximum Sea Water Temperature in September: 70.8°F
Minimum Sea Water Temperature in September: 57.0°F
Average water temperature in September: 63.8°F

Sea Water Temperature for the Last 10 Days:

September 08 66.4°F September 03 67.6°F
September 07 64.0°F September 02 67.4°F
September 06 65.2°F September 01 66.4°F
September 05 66.6°F August 31 67.8°F
September 04 67.6°F August 30 66.6°F

When is the Warmest Sea for Groningen?

According to our data for the last three years for Groningen the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Groningen was 69.7°F. The maximum and minimum values were 65.6°F and 73.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Groningen was 69.2°F. The maximum and minimum values were 66.4°F and 72.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Groningen was 62.6°F. The maximum and minimum values were 57.0°F and 67.0°F respectively.

Best Time to Visit Groningen
The most sunny months:
August 10 days
March 10 days
April 10 days
The most warm months:
August 73.1 °F
July 71.6 °F
June 68.5 °F
Warmest sea temperature:
August 68.2 °F
July 66.8 °F
September 63.7 °F
The most cold months:
January 39.5 °F
February 41.6 °F
December 43.1 °F
The most rainy months:
August 5 days
July 5 days
June 4 days
The most windy months:
January 12 mph
December 12 mph
February 12 mph

Groningen on the Weather Map

Netherlands Resorts:
NAME
Amsterdam +54
Aruba +86
Breda +58
Eindhoven +60
Groningen +56
Hague +62
Maastricht +60
Rotterdam +56
Utrecht +54
24 Hours Weather Forecast
Groningen
Local time: 22:33
09 sep, wednesday
0000 56°F
E
8 mph
0300 52°F
NE
8 mph
0600 52°F
NE
9 mph
0900 56°F
NE
14 mph
1200 60°F
E
19 mph
1500 64°F
SE
19 mph
1800 62°F
SE
16 mph
2100 56°F
SE
10 mph