Norrtälje Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Norrtälje.
Climate overview of Norrtälje
The climate in Norrtälje, Stockholm county, Sweden, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in July to 2°C (36°F) in February.
Norrtälje sees a moderate amount of rain/snowfall, totalling around 624 mm (25 in) per year. It experiences a distinct dry season from February to April, creating some seasonal variation. The most sunshine falls in July, with an average of 9.4 hours of daily sunshine.
Norrtälje Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Norrtälje — and find the best time to visit.
Monthly Temperature in Norrtälje
In Norrtälje, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a pleasant 22°C (72°F) in July, the warmest time of the year, to a very cold 2°C (36°F) during cooler months like February.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -4°C (25°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Norrtälje
On average, Norrtälje receives a reasonable amount of rain/snowfall, with an annual precipitation of 624 mm (25 in). While rainfall varies throughout the year, each season offers its own charm. August brings wetter days averaging 71 mm (2.8 in) of precipitation, spread over 13 rainy days.
In contrast, the driest month March experiences a drier climate, with about 34 mm (1.3 in) of snow/rainfall spread across 12 snowy/rainy days. For more details, please visit our Norrtälje 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 Norrtälje
Seasonal changes in sunshine hours are quite dramatic in Norrtälje. While July receives considerable daily sunshine with up to 9.4 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
Humidity in Norrtälje by Month
The relative humidity is high throughout the year in Norrtälje.
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 Norrtälje
Frequently asked questions about the climate in Norrtälje
What is the best time to visit Norrtälje?
July and August typically offer the most optimal weather in Norrtälje. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Norrtälje has a distinct dry season from February to April.
What temperatures can I expect in Norrtälje?
Daytime highs range from 2°C (36°F) in February to 22°C (72°F) in July. Nighttime lows range from -4°C (25°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Norrtälje get?
Annual rainfall is around 624 mm (25 in). August is the wettest month with 71 mm (2.8 in), while March is the driest with 34 mm (1.3 in).
How sunny is Norrtälje?
Norrtälje 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.
Norrtälje 3-Day Forecast
Norrtälje 3-Day Forecast
Norrtälje on the map
Norrtälje is highlighted — select any city to see its climate.
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