Grimstad Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grimstad.
Climate overview of Grimstad
The climate in Grimstad, Aust-Agder, Norway, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in July to 4°C (39°F) in February.
With around 1178 mm (46 in) of annual rain/snowfall, Grimstad has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has pleasant summers and cold winters. The wettest month is October. The sunniest month is June, with 9.2 hours of sunshine per day on average.
Grimstad Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grimstad - and find the best time to visit.
Monthly Temperature in Grimstad
In Grimstad, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a pleasant 22°C (72°F) in July. In February, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).
At night, temperatures range from around 14°C (57°F) in July to -1°C (30°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grimstad
Grimstad experiences significant rain/snowfall throughout the year, averaging 1178 mm (46 in) of precipitation annually. Grimstad experiences moderate seasonal variation in rainfall, with monthly averages ranging from 126 mm (5 in) in October, the wettest month, and 66 mm (2.6 in) in April, the driest month. For more details, please visit our Grimstad Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Grimstad
Grimstad can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 9.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Grimstad
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: Pleasant summers and cold winters
- Coldest conditions: February, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Grimstad
What is the best time to visit Grimstad?
July typically offers the most optimal weather in Grimstad. In contrast, January, February, March, October, November and December tend to have less optimal conditions. Grimstad has pleasant summers and cold winters.
What temperatures can I expect in Grimstad?
Daytime highs range from 4°C (39°F) in February to 22°C (72°F) in July. Nighttime lows range from -1°C (30°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Grimstad get?
Annual rainfall is around 1178 mm (46 in). October is the wettest month with 126 mm (5 in), while April is the driest with 66 mm (2.6 in).
How sunny is Grimstad?
Grimstad receives around 1,785 hours of sunshine per year. June is the sunniest month with 275 hours, while December is the cloudiest with just 39 hours.
Grimstad 3-Day Forecast
Grimstad 3-Day Forecast
Grimstad on the map
Grimstad is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Oslo
22°C (72°F) Kristiansand
20°C (68°F) Trondheim20°C (68°F) Stavanger
18°C (64°F) Bergen
19°C (66°F) Hemsedal
17°C (63°F) Tromsø17°C (63°F) Reine14°C (57°F) 
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