Norrtälje Climate by Month
The climate in Norrtälje is marked by big temperature swings throughout the year.
Temperatures range from pleasant during the warmest months
to very cold in the cooler months.
It receives mid-range precipitation levels.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
In Norrtälje, temperatures differ significantly between summer and winter months. Average daytime temperatures range from a pleasant 22°C in July, the warmest time of the year, to a very cold 2°C during cooler months like February. At night, temperatures typically average around -4°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
On average, Norrtälje receives a reasonable amount of rain/snowfall, with an annual precipitation of 624 mm. While rainfall varies throughout the year, each season offers its own charm. August brings wetter days averaging 71 mm of precipitation, spread over 13 rainy days. In contrast, March experiences a drier climate, with about 34 mm of snow/rainfall spread across 12 snowy/rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
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.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Norrtälje.
Relative humidity over the year
The best time of year to visit Norrtälje in Sweden
During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 22°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 2°C.
August tops the wettest month list with 71 mm of rainfall.
March is the driest month with 34 mm of precipitation.
July is the sunniest month with an average of 283 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
