What is the weather and climate like in Norrtälje?
The mean annual temperature in Norrtälje is 6.8 °C. The figures below are SMHI's 1991–2020 climate normal, sunshine 2020–2024: the typical climate, not a single year.
- Mean annual temperature
- 6.8 °C
- Warmest day in a typical year
- 29 °C
- Coldest night in a typical year
- -26 °C
- Precipitation per year
- 638 mm
- Days with at least 1 mm of precipitation
- 105 days
- Of which below freezing
- 22 days
- Sunshine hours per day
- 5.9 h
- Daily peak wind, average
- 14.7 km/h
How much snow does Norrtälje get?
In a typical year Norrtälje has 22 days with at least 1 mm of precipitation and a sub-zero mean temperature.
How much sun does Norrtälje get?
The sun shines an average of 5.9 hours a day across the whole year, which means long summer days and short winter ones, not an even spread.
How cold and how warm does Norrtälje get?
In a typical year the coldest night reaches -26 °C and the warmest day 29 °C at the nearest SMHI station. The records lie further out.
The figures are shown in full on the municipal page for Norrtälje, along with a map, development over time and comparable municipalities. The source of each figure is listed under data sources.