Helsinki weather by month
The best time to visit Helsinki, Finland is June. Pick a month for full climate normals and a verdict.
- Januaryfreezing, a little rain, clean air30tier F
- Februaryfreezing, a little rain, clean air39tier F
- Marchfreezing, a little rain, clean air51tier D
- Aprilcold, a little rain70tier B
- Maycool, a little rain, clean air80tier A
- Junenice, a little rain, clean air94tier S
- Julynice, rainy, clean air88tier A
- Augustnice, rainy, clean air86tier A
- Septembercool, a little rain, clean air77tier B
- Octobercold, a little rain, clean air62tier C
- Novembercold, a little rain, clean air45tier F
- Decemberfreezing, a little rain, clean air32tier F