Tromsø climate

Tromsø Weather in October

NASA POWER reanalysis for the half-degree grid cell around Tromsø, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 6°C on October 1 to 0°C on October 31, and lows from 2°C to -4°C. Normal precipitation for the month is 133 mm over about 19 wet days.

October day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Tromsø, in °C, with the record for each date.-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

October at a glance

Average high
3°C
Average low
-1°C
Precipitation
133 mm
Reanalysis high
12°COct 1, 2000
Reanalysis low
-17°COct 31, 1992
Daylight
11 h 08 min to 6 h 42 min
Cloud cover
80%
Humidity
95%
Dew point
0°C
Wind
9.7 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Oct 16°C2°C12°C 2000-2°C 200359%
Oct 26°C1°C12°C 2020-2°C 199458%
Oct 36°C1°C11°C 2020-4°C 200957%
Oct 46°C1°C11°C 2000-4°C 200956%
Oct 55°C1°C12°C 2014-3°C 201857%
Oct 65°C1°C12°C 2014-4°C 199358%
Oct 75°C1°C11°C 2005-6°C 199359%
Oct 85°C1°C12°C 2005-10°C 199359%
Oct 94°C0°C10°C 2000-9°C 199362%
Oct 104°C0°C10°C 1995-4°C 199363%
Oct 114°C0°C10°C 2005-5°C 199264%
Oct 124°C0°C8°C 1991-8°C 199264%
Oct 133°C-1°C9°C 2018-10°C 199266%
Oct 143°C-1°C10°C 2018-14°C 199266%
Oct 153°C-1°C9°C 2001-14°C 199267%
Oct 162°C-1°C8°C 2011-12°C 199668%
Oct 172°C-2°C9°C 2000-12°C 199269%
Oct 182°C-2°C7°C 2000-13°C 199268%
Oct 192°C-2°C8°C 2000-10°C 199868%
Oct 201°C-2°C7°C 2000-10°C 199867%
Oct 211°C-2°C8°C 2007-13°C 200266%
Oct 221°C-3°C8°C 2007-13°C 200266%
Oct 231°C-3°C8°C 2007-10°C 199267%
Oct 241°C-3°C9°C 2007-10°C 199266%
Oct 250°C-3°C8°C 2007-10°C 199565%
Oct 260°C-4°C7°C 2007-11°C 201965%
Oct 270°C-4°C6°C 2001-13°C 199265%
Oct 280°C-4°C8°C 2005-15°C 199265%
Oct 290°C-4°C9°C 2005-17°C 199264%
Oct 300°C-4°C8°C 2005-17°C 199264%
Oct 310°C-4°C11°C 2005-17°C 199264%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Tromsø, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

October 1
sunrise 6:59 AM, sunset 6:07 PM
October 31
sunrise 8:06 AM, sunset 2:48 PM

Every day of October: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.