Weather in October in Helsinki
| < October > | ||
|---|---|---|
| Normal Max/ High Temperature | 8°C (46°F) | |
| Average Temperature | 6°C (42°F) | |
| Min/ Low Temperature | 3°C (37°F) | |
| Average Sea or Water Temp | 8°C(46°F) | |
| Normal Precipitation | 73mm (2.9in) | |
| Number of Wet Days (probability of rain on a day) | 18 (58%) | |
| Average Sunlight per day | 02h 27' | |
| Average Daylight per day | 10h 03' | |
| Sunny (Cloudy) Daylight Hours | 25% (75%) | |
| Sun altitude at solar noon on the 21st day. | 19.1° | |
- The average sea tempeature is 8 °C (46.4 °F).
- The average temperature in Helsinki in October is cool at 5.5 °C (41.9 °F).
- Afternoons can be a little cool with average high temperatures reaching 8 °C (46.4 °F).
- Overnight temperatures are generally very cool with an average low of 3 °C (37.4 °F).
- In October the mean daily temperature variation/ range is 5 °C (9 °F).
- Precipitation averages for October are moderate with 73mm (2.9 in) recorded across 18 days.
- The heavens above Helsinki are very dim with on average a scanty 2h 27' of dazzling sunshine per day.
- The shortest day is 8h 41' long and the longest day is 11h 26' long with an average length of 10h 03'.
- There are approximately 7h 13' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 25.3% of daylight hours and cloudy 74.7% of daylight hours.
Weather Trend Graph for October in Helsinki, Finland
