July
Other strong months: August and June
51/100 weather score
Norway · 1991–2020
Best time to visit
Tromsø
For Tromsø, July has the most comfortable weather in our climate comparison. Typical daytime highs are 16.3°C, nights average 9.1°C, and rainfall totals about 74 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthJuly
Typical daytime high16.3°C
Typical night-time low9.1°C
July rainfall74 mm
July
Other strong months: January and February
13/100 weather score
July
Other strong months: August and June
70/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
1 month fits your choices for Tromsø
The lowest comfort score is 5 out of 100. January, February, March, April, October, November and December share that score. In January, that is mainly because days reach only -1°C, 25° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Tromsø?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Tromsø?
July is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 16.3°C and 74 mm of rain.
What is the hottest month in Tromsø?
July is hottest in this record, with a typical daytime high of 16.3°C and a night-time low of 9.1°C.
Which month has the least rain?
May has the lowest monthly rainfall total at 56 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | -1°C | -5.3°C | 109 mm | 15.1 | 5.4°C | none | 5 | Strong coverage |
| February | -1.1°C | -5.7°C | 94 mm | 12.6 | 4.5°C | 7 h 06 | 5 | Strong coverage |
| March | 0.6°C | -4.4°C | 98 mm | 14.4 | 4.1°C | 11 h 16 | 5 | Strong coverage |
| April | 4.1°C | -1.6°C | 70 mm | 12.5 | 4.3°C | 15 h 52 | 5 | Strong coverage |
| May | 8.8°C | 2.4°C | 56 mm | 11.3 | 5.8°C | 21 h 47 | 17 | Strong coverage |
| June | 13°C | 6.2°C | 57 mm | 10.7 | 7.8°C | 24 h | 38 | Strong coverage |
| July | 16.3°C | 9.1°C | 74 mm | 11.4 | 10.1°C | 24 h | 51 | Strong coverage |
| August | 15°C | 8.3°C | 89 mm | 12.9 | 11.0°C | 18 h 01 | 42 | Strong coverage |
| September | 10.9°C | 5.3°C | 111 mm | 15.2 | 10.0°C | 13 h 09 | 18 | Strong coverage |
| October | 5.2°C | 0.9°C | 129 mm | 16.3 | 8.6°C | 8 h 47 | 5 | Strong coverage |
| November | 2.1°C | -1.9°C | 93 mm | 13.3 | 7.4°C | 3 h 39 | 5 | Strong coverage |
| December | 0.3°C | -3.9°C | 110 mm | 15.4 | 6.3°C | none | 5 | Strong coverage |
What has changed
Recent daytime highs are
1.8°C warmer in Tromsø.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+0.9
Feb
+1.9
Mar
+1.6
Apr
+1.8
May
+2.1
Jun
+1.3
Jul
+1.8
Aug
+2.0
Sep
+2.9
Oct
+1.2
Nov
+1.8
Dec
+1.7
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 8.4°C4 Jan 1993 | -18.3°C27 Jan 1979 | 46 mm20 Jan 1925 | 291 mm1941 · driest 4 mm in 2014 | 106 |
| February | 8.5°C22 Feb 2025 | -18.4°C3 Feb 1966 | 49 mm22 Feb 1961 | 233 mm1975 · driest 3 mm in 2018 | 106 |
| March | 9.7°C12 Mar 2022 | -17.0°C15 Mar 1978 | 41 mm29 Mar 2000 | 209 mm2025 · driest 6 mm in 1934 | 106 |
| April | 17.0°C29 Apr 2016 | -14.3°C20 Apr 1929 | 35 mm15 Apr 1962 | 193 mm2021 · driest 5 mm in 1983 | 106 |
| May | 26.6°C31 May 2013 | -6.6°C5 May 1926 | 43 mm2 May 1990 | 130 mm1935 · driest 8 mm in 1967 | 106 |
| June | 29.9°C28 Jun 2022 | -2.5°C4 Jun 1923 | 27 mm13 Jun 1961 | 137 mm1961 · driest 6 mm in 1971 | 106 |
| July | 30.2°C1 Jul 1972 | 0.7°C3 Jul 1965 | 50 mm2 Jul 2013 | 174 mm1999 · driest 0 mm in 1956 | 107 |
| August | 28.4°C1 Aug 2018 | 1.1°C31 Aug 2007 | 47 mm31 Aug 1928 | 203 mm1983 · driest 15 mm in 1953 | 106 |
| September | 23.4°C9 Sep 2024 | -4.3°C27 Sep 1986 | 47 mm3 Sep 1924 | 215 mm2009 · driest 3 mm in 2017 | 106 |
| October | 18.6°C1 Oct 2017 | -9.6°C30 Oct 1992 | 64 mm3 Oct 1964 | 308 mm1985 · driest 10 mm in 1974 | 106 |
| November | 11.9°C2 Nov 2005 | -14.2°C29 Nov 1925 | 50 mm8 Nov 1975 | 325 mm2024 · driest 9 mm in 2000 | 106 |
| December | 9.7°C1 Dec 1984 | -16.8°C29 Dec 1978 | 42 mm11 Dec 1935 | 260 mm1975 · driest 6 mm in 1966 | 106 |
| Month | Days 25°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|
| January | 0 | 28 | 4 |
| February | 0 | 26 | 3 |
| March | 0 | 27 | 3 |
| April | 0 | 20 | 2 |
| May | 0 | 7 | 1 |
| June | <1 | <1 | 2 |
| July | <1 | 0 | 2 |
| August | <1 | 0 | 3 |
| September | 0 | <1 | 4 |
| October | 0 | 13 | 5 |
| November | 0 | 21 | 3 |
| December | 0 | 26 | 4 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 46% | 11% | 58% | -4.1–1.0°C |
| February | 0% | 46% | 10% | 60% | -4.4–1.0°C |
| March | 0% | 45% | 9% | 59% | -2.2–2.1°C |
| April | 0% | 40% | 6% | 52% | 1.3–5.6°C |
| May | <1% | 36% | 4% | 47% | 5.2–10.8°C |
| June | 7% | 36% | 5% | 48% | 10.1–15.2°C |
| July | 17% | 37% | 6% | 48% | 13.1–19.0°C |
| August | 8% | 42% | 8% | 58% | 12.4–16.3°C |
| September | <1% | 52% | 12% | 69% | 8.0–12.2°C |
| October | 0% | 53% | 14% | 70% | 2.5–7.2°C |
| November | 0% | 46% | 11% | 60% | -0.7–3.5°C |
| December | 0% | 46% | 11% | 60% | -2.8–2.4°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 3133895
- NOAA station
- NO000001026 · TROMSO
- Station distance
- 1.2 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 30 usable years
- Daylight
- Calculated from latitude 69.65°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 28 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Tromsø is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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