Finland · 1991–2020 normal

Simo in
October.

Typical October weather in Simo: 5.2°C by day, -0.5°C at night, 64 mm of rain over 10 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high5.2°C
Typical low-0.5°C
Rain64 mm
Wet days10

Comfort score 5 this month (July leads the year at 74). Daylight is calculated as 9 h 24 from latitude 65.67°. Open-water sea temperature is 7.7°C (6 km from the place centre).

Event window

Long northern nights in October

At 65.7° the calculated mid-month daylight is 9 h 24. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in October. Typical nights are -0.5°C.

Event window

Frost-level nights in October

The measured night-time normal is -0.5°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 636802
NOAA station
SW000002196 · HAPARANDA
Station distance
45.1 km from the place centre
Coverage
Good coverage · 22 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.