What is the weather and climate like in Trosa?
The mean annual temperature in Trosa is 7.2 °C. The figures below are SMHI's 1991–2020 climate normal, sunshine 2020–2024: the typical climate, not a single year.
- Mean annual temperature
- 7.2 °C
- Warmest day in a typical year
- 24 °C
- Coldest night in a typical year
- -11 °C
- Precipitation per year
- 649 mm
- Days with at least 1 mm of precipitation
- 100 days
- Of which below freezing
- 8 days
- Sunshine hours per day
- 6.0 h
- Daily peak wind, average
- 37.3 km/h
How much snow does Trosa get?
In a typical year Trosa has 8 days with at least 1 mm of precipitation and a sub-zero mean temperature.
How much sun does Trosa get?
The sun shines an average of 6.0 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 Trosa get?
In a typical year the coldest night reaches -11 °C and the warmest day 24 °C at the nearest SMHI station. The records lie further out.
The figures are shown in full on the municipal page for Trosa, along with a map, development over time and comparable municipalities. The source of each figure is listed under data sources.