Järna Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Järna.
Climate overview of Järna
Järna, Stockholm county, Sweden, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in July, while winters cool to 2°C (36°F) in February.
The city receives around 657 mm (26 in) of rain/snowfall per year. It experiences a distinct dry season from March to April. July is the wettest month and March the driest. The sunniest month is July, with 9.4 hours of sunshine per day on average.
Järna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Järna — and find the best time to visit.
Monthly Temperature in Järna
Depending on the time of the year, temperatures range from comfortable to very cold in Järna. On average, daytime temperatures range from a comfortable 23°C (73°F) in July to a very cold 2°C (36°F) in February.
Nighttime temperatures range from 13°C (55°F) in July to -4°C (25°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Järna
Generally, Järna has a moderate amount of precipitation, averaging 657 mm (26 in) of rain/snowfall annually. The seasons in Järna bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 80 mm (3.1 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, March, experiences much less snow/rainfall, totaling 35 mm (1.4 in) over 12 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Järna 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 Järna
In Järna, summer days are longer and more sunny, with daily sunshine hours peaking at 9.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.1 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Järna by Month
The relative humidity is high throughout the year in Järna.
The city experiences its highest humidity in November, reaching 87%. In May, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Järna
Rainfall during this time ranges from 74 mm (2.9 in) in June to 80 mm (3.1 in) in July. This means you can expect a mix of sunny days and occasional showers. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Järna
What is the best time to visit Järna?
June, July and August typically offer the most optimal weather in Järna. In contrast, January, February, March, November and December tend to have less optimal conditions. Järna has a distinct dry season from March to April.
What temperatures can I expect in Järna?
Daytime highs range from 2°C (36°F) in February to 23°C (73°F) in July. Nighttime lows range from -4°C (25°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Järna get?
Annual rainfall is around 657 mm (26 in). July is the wettest month with 80 mm (3.1 in), while March is the driest with 35 mm (1.4 in).
How sunny is Järna?
Järna receives around 1,917 hours of sunshine per year. July is the sunniest month with 283 hours, while December is the cloudiest with just 32 hours.
Järna 3-Day Forecast
Järna 3-Day Forecast
Järna on the map
Järna is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Falkenberg
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