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
30 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
Tromso Northern Lights Minibus Chase Small Group Tour with Photos - 2
Tromso Aurora Hunt with Bonfire, Meal, Winter Suit & Photos - 3
Silent Whale Watching by Hybrid-Electric Boat from Tromsø - 4
Northern Lights Adventure – Into the Arctic Night - 5
Adults Only Aurora Hunt van chase with Wandering Owl - 6
Reindeer Feeding & Sámi Culture Experience - 7
Tromsø Fjords Tour of Kvaloya and Sommaroy - 8
Arctic Catamaran Fjordcruise in Tromso on the Arctic Eagle - 9
Reindeer feeding & Sámi Culture with chance for Northern Lights - 10
Whale Safari in Tromso - 11
Tromso Electric Northern Lights Cruise - 12
Tromsø: Northern Lights by Minibus - Warm Dinner and Free Photos! - 13
Northern Lights Chase, Local Guide, Sámi, Campfire Meal & Photos - 14
Small Group Northern Lights Chase with Campfire Meal and Photos - 15
Small Northern Lights Tour Max 8 Guests Pickup and Photography - 16
Aurora Chase from Tromso with Photos - 17
Tromsø Arctic Fjords Adventure Tour with Local Lunch - 18
Tromso Excursion Artica Fjords and Sommaroy Islands with lunch - 19
Chasing Lights: Aurora Minibus Chase (All Photos Included) - 20
Tromsø: Small Group | Northern Lights Chase + All-Inclusive - 21
Northern Lights Hunt with The Green Adventure - photos included - 22
Chasing Lights: Aurora Big Bus Chase (All Photos Included) - 23
Minibus Northern Lights Chase with Photography from Tromsø - 24
Tromso Self-Drive Husky Dog Sledding - 25
Tromso Snowshoeing - Valley, Fjord Views, Wildlife, Meal & Pickup - 26
Arctic Nature Tour from Tromsø with Scenic Sommarøy picnic - 27
Aurora Adventure Tour with Creative Vacations - 28
Sami Culture and Short Reindeer Sledding from Tromso - 29
Northern Lights Adventure - 30
Tromsø: Arctic Fjord Trip to Sommarøy with Scenic Picnic
Last refreshed 2026-10-18.
Similar climatesAkureyri83% · Åre79% · Saariselkä74%
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 | — | Moderate | 4 |
| Feb | -6–-2 | -6 | 17 | 292 | 17.2 | 85% | 16 | 31 | — | Moderate | 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 | — | Busy | 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 · Busy 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 · Moderate 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 · Moderate 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.