Average monthly water temperature in Järfälla, Sweden
On this page you find the mean water temperature over the year in Järfälla (Stockholm county), Sweden. Dive into the water temperature trends, highlighting the best times for swimming and other activities.
In Järfälla, cooler water temperatures are a year-round feature. The warmest month is August, averaging 19°C (66°F).
The coldest month, March, sees averages of 1°C (34°F). This does not make it a great month for visitors who enjoy swimming.
Järfälla Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Järfälla - and find the best time to visit.
Järfälla 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Järfälla climate overview or explore weather in Sweden.
Popular this month
Where to go in September - average daytime high across popular destinations.
Lund
18°C (64°F) Malmö19°C (66°F) Gothenburg
18°C (64°F) Karlskrona17°C (63°F) Falkenberg18°C (64°F) Simrishamn17°C (63°F) Stockholm17°C (63°F) Visby
17°C (63°F) 
Bucket list
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Nordic skating in Sweden
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Sleep among the trees in Sweden
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See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.