When to go · Norway
When to go to Tromsø
When to go
What the averages say
No month in Tromsø averages a high of 18°C or more; the warmest, July, averages 16°C.
- Cold months (a mean high under 10°C): October to May.
- The warmest month is July (16°C) and the coolest January (-5°C). The wettest is September (137 mm) and the driest April (89 mm); about 1,347 mm of rain falls in a year.
How these sentences are worded
Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.
The year at a glance
- Mild to warm and dry
- Mild to warm, humid or showery
- Hot
- Cool
- Wet
- Cold
- JanCold
- FebCold
- MarCold
- AprCold
- MayCold
- JunCool
- JulCool
- AugCool
- SeptCool
- OctCold
- NovCold
- DecCold
Month by month
Every month in Tromsø
| Month | High | Low | Rain | Humidity | Cloud | Sunlight (kWh/m²/day) | High in Dubai | What it is like |
|---|---|---|---|---|---|---|---|---|
| January | -5°C | -11°C | 106 mm | 96% | 83% | 0 | 23°C | Cold |
| February | -5°C | -10°C | 109 mm | 95% | 83% | 0.3 | 24°C | Cold |
| March | -2°C | -8°C | 120 mm | 93% | 85% | 1.3 | 27°C | Cold |
| April | 1°C | -4°C | 89 mm | 92% | 81% | 3 | 31°C | Cold |
| May | 7°C | 1°C | 95 mm | 85% | 80% | 4.4 | 35°C | Cold |
| June | 12°C | 6°C | 106 mm | 81% | 81% | 4.8 | 37°C | Cool |
| July | 16°C | 9°C | 112 mm | 81% | 79% | 4.3 | 39°C | Cool |
| August | 14°C | 8°C | 113 mm | 85% | 79% | 3.1 | 39°C | Cool |
| September | 10°C | 4°C | 137 mm | 90% | 82% | 1.6 | 37°C | Cool |
| October | 3°C | -1°C | 122 mm | 95% | 83% | 0.5 | 34°C | Cold |
| November | -1°C | -5°C | 114 mm | 96% | 84% | 0 | 29°C | Cold |
| December | -3°C | -8°C | 124 mm | 96% | 85% | 0 | 25°C | Cold |
The Dubai column is Dubai's mean daily high, for comparison.
Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.
When to go nearby
When to go nearby
- Kiruna206 kmNo month mild to warm and not wet
- Rovaniemi448 kmGood for going: July
- Luleå472 kmGood for going: July and August
- Murmansk560 kmNo month mild to warm and not wet
- Oulu586 kmGood for going: July and August
- Umeå650 kmGood for going: July and August
- Vaasa738 kmGood for going: June to August
- Östersund744 kmGood for going: July
Plan it
Plan a trip to Tromsø
Tell us when and who is travelling, and a person puts the flights, the stays and the rest into one quote.