Best time to visit Tromso
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Tromso
19 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Tromso).
- 1
Northern Lights Hunt with The Green Adventure - photos included - 2
Dog Sledding Adventure in Tromsø - 3
Northern Lights Tour, Photo, Toilet, Meal, Skycam in Mbus - 4
Express Fjord Road trip with Cruise Ship Pick up and Drop off - 5
Luxury Northern Lights Yacht Cruise with Hot Tub from Tromsø - 6
Puppy Training Experience at a Husky Farm in Tromso - 7
The Tromsø Food Walk, Taste your way through local history - 8
Tromsø Highlights & History Tour with E-Bike - 9
Small Group Van Journey in Search of the Northern Lights - 10
Tromsø Fjords Tour of Kvaloya and Sommaroy - 11
Arctic Ocean Night Floating in Ramfjord - 12
Adults Only Aurora Hunt with Wandering Owl - 13
Tromso Private Fjords Morning Arctic Nature Tour By (Big van) - 14
Tromso Aurora Hunt with Bonfire, Meal, Winter Suit & Photos - 15
Tromso Self-Drive Husky Dog Sledding - 16
Northern Lights Minibus Chase from Tromsø with Chasing Lights - 17
Northern Lights Big Bus Chase with Chasing Lights - 18
Tromso Excursion Artica Fjords and Sommaroy Islands with lunch - 19
Tromsø Arctic Fjords Adventure Tour with Local Lunch
Last refreshed 2026-05-27.
Similar climatesAkureyri82% · Gstaad56% · Zermatt53%
Other destinations with the most-alike year-round climate to Tromso (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Tromso's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | -7–-3 | -7 | 18 | 308 | 17.1 | 86% | 15 | 3 | — | Quiet | 4 |
| Feb | -6–-2 | -6 | 17 | 292 | 17.2 | 85% | 16 | 31 | — | Quiet | 5 |
| Mar | -5–0 | -4 | 19 | 333 | 17.5 | 80% | 15 | 107 | 1 | Quiet | 4 |
| Apr | -3–2 | -1 | 18 | 298 | 16.6 | 76% | 13 | 172 | 1 | Quiet | 5 |
| May | 2–8 | 5 | 18 | 310 | 17.2 | 74% | 13 | 208 | 2 | Quiet | 4 |
| Jun | 8–15 | 13 | 17 | 229 | 13.5 | 70% | 14 | 273 | 2 | Quiet | 3 |
| Jul | 11–17 | 16 | 15 | 241 | 16.1 | 71% | 13 | 273 | 3 | Quiet | 2 |
| Aug | 10–16 | 15 | 19 | 274 | 14.4 | 74% | 14 | 195 | 2 | Moderate | 1 |
| Sep | 6–11 | 9 | 19 | 301 | 15.8 | 82% | 15 | 114 | 1 | Moderate | 3 |
| Oct | 1–5 | 2 | 19 | 282 | 14.8 | 89% | 14 | 61 | — | Moderate | 5 |
| Nov | -4–1 | -3 | 17 | 253 | 14.9 | 90% | 14 | 8 | — | Peak | 5 |
| Dec | -7–-3 | -7 | 12 | 188 | 15.7 | 87% | 14 | 0 | — | Peak | 5 |
UV Index in Tromso by Month
UV index in Tromso peaks at 3 (low) in July, dropping to 0 (low) in December.
Best months in detail
October
5/101–5°C (feels 2°C) · 19 rain days (282h) · 61 sun hours · 89% humidity · Moderate crowd
December
5/10-7–-3°C (feels -7°C) · 12 rain days (188h) · 0 sun hours · 87% humidity · Peak crowd
February
5/10-6–-2°C (feels -6°C) · 17 rain days (292h) · 31 sun hours · 85% humidity · Quiet crowd
Every month
Show the other 9 months in detail
January
4/10-7–-3°C (feels -7°C) · 18 rain days (308h) · 3 sun hours · 86% humidity · Quiet crowd
March
4/10-5–0°C (feels -4°C) · 19 rain days (333h) · 107 sun hours · 80% humidity · Quiet crowd · UV 1 (low)
April
5/10-3–2°C (feels -1°C) · 18 rain days (298h) · 172 sun hours · 76% humidity · Quiet crowd · UV 1 (low)
May
4/102–8°C (feels 5°C) · 18 rain days (310h) · 208 sun hours · 74% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
June
3/108–15°C (feels 13°C) · 17 rain days (229h) · 273 sun hours · 70% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 4 (moderate)
July
2/1011–17°C (feels 16°C) · 15 rain days (241h) · 273 sun hours · 71% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
August
1/1010–16°C (feels 15°C) · 19 rain days (274h) · 195 sun hours · 74% humidity · Moderate crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
September
3/106–11°C (feels 9°C) · 19 rain days (301h) · 114 sun hours · 82% humidity · Moderate crowd · UV 1 (low)
November
5/10-4–1°C (feels -3°C) · 17 rain days (253h) · 8 sun hours · 90% humidity · Peak crowd
Frequently asked questions about visiting Tromso
When is the best time to visit Tromso?
October is the highest-scoring month (5/10 on the Holiday Climate Index). Typical conditions: 1–5°C (19 rainy days). The top three months by score are October, December, February.
What is the worst time to visit Tromso?
August is the lowest-scoring month (1/10, capped by extreme heat). Typical conditions: 10–16°C (19 rainy days).
Is Tromso too hot in summer?
3 months (June, July, August) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.
When are crowds lowest in Tromso?
Search-interest seasonality (Google Trends 2021-2025) is lowest in April and peaks in November. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
What is the UV index in Tromso by month?
UV peaks at 3 (low) in July and is lowest in December at 0 (low). Monthly peak values: Jan —, Feb —, Mar 1, Apr 1, May 2, Jun 2, Jul 3, Aug 2, Sep 1, Oct —, Nov —, Dec —.
What is the UV index in Tromso in July?
July is the peak UV month in Tromso, with a daily-peak UV index of 3 (low). Standard sun protection — sunglasses and light SPF — is recommended.
How high can UV get in Tromso on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. July is the worst case: typical days average UV 3 (low), but the top 10% of days reach UV 4 (moderate) — and even higher. Months where the sunniest days routinely exceed the typical reading: May, June, July, August. Plan sun protection for the worst case, not the average.