Climate almanac
Trosa
Södermanland, Sweden · 58.90°, 17.55°
What is the climate like in Trosa?
The best time to visit Trosa is typically May – September, with trip comfort peaking in June (7.1/10). Trosa is warmest in July, when daily highs average 72°F (22°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically August and the driest is April; the year sees roughly 24 in (621 mm) of precipitation.
- Best time to visitMay – September — comfort peaks in June (7.1/10)
- Warmest monthJuly — average high 72°F (22°C)
- Coolest monthJanuary — average low 26°F (-3°C)
- Wettest monthAugust (3.0 in (77 mm))
- Driest monthApril (1.3 in (33 mm))
- Annual precipitation24 in (621 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromLandsort, 25 km away (1924-2026)