När Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit När.
Climate overview of När
The climate in När, Gotland, Sweden, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in July to 3°C (37°F) in February.
När sees a moderate amount of rain/snowfall, totalling around 600 mm (24 in) per year. It experiences a distinct dry season from March to May, with warm summers and cold winters, creating some seasonal variation. Sunshine peaks in June, when the city sees around 11.1 hours of sunshine per day.
När Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in När - and find the best time to visit.
Monthly Temperature in När
In När, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 22°C (72°F) in July, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like February.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -1°C (30°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in När
On average, När receives a reasonable amount of rain/snowfall, with an annual precipitation of 600 mm (24 in). While rainfall varies throughout the year, each season offers its own charm. July brings wetter days averaging 67 mm (2.6 in) of precipitation, spread over 11 rainy days.
In contrast, the driest month April experiences a drier climate, with about 33 mm (1.3 in) of rainfall spread across 11 rainy days. For more details, please visit our När 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 När
Seasonal changes in sunshine hours are quite dramatic in När. While June receives considerable daily sunshine with up to 11.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.1 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 När
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May and June
- Fewest rainy days: April, May, June and July
- Seasonal pattern: A distinct dry season from March to May, with warm summers and cold winters
- Coldest conditions: February, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in När
What is the best time to visit När?
July and August typically offer the most optimal weather in När. In contrast, January, February, March, April, November and December tend to have less optimal conditions. När has a distinct dry season from March to May, with warm summers and cold winters.
What temperatures can I expect in När?
Daytime highs range from 3°C (37°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 När get?
Annual rainfall is around 600 mm (24 in). July is the wettest month with 67 mm (2.6 in), while April is the driest with 33 mm (1.3 in).
How sunny is När?
När receives around 2,153 hours of sunshine per year. June is the sunniest month with 332 hours, while December is the cloudiest with just 32 hours. Overall, När enjoys abundant sunshine.
När 3-Day Forecast
När 3-Day Forecast
När on the map
När is highlighted - select any city to see its climate.
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