☀️ SunnyWhen

Best Time to Visit Tromso

Norway · 30-year monthly climate averages

☀️ When to go

Based on 30 years of climate data, the most comfortable months to visit Tromso are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.

JuneJulyAugust

Climate profile

Tromso sees its warmest weather in July, when daytime highs average around 16°C, and its coolest in January (around -6°C).

Annual precipitation totals roughly 1811mm — October is typically the wettest month (~216mm) and May the driest (~93mm).

A distinctly wetter period runs from July to April — worth planning around if you prefer dry days.

Year at a glance

JanFebMarAprMayJunJulAugSepOctNovDec-12°2°16°

🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall

🔥 Recent heat vs normal

Daily forecast highs vs the 30-year normal — last 60 days

15/ 60
days ≥2°C above normal
18°C
highest recorded · August 28
+0.4°C
avg anomaly · vs 30-year normal
2026-08-01: +1.6°C2026-08-02: +0.8°C2026-08-03: -3.0°C2026-08-04: -3.0°C2026-08-05: -1.8°C2026-08-06: +1.5°C2026-08-07: -0.1°C2026-08-08: -0.9°C2026-08-09: -1.1°C2026-08-10: -3.0°C2026-08-11: -3.8°C2026-08-12: -4.1°C2026-08-13: -0.6°C2026-08-14: -1.7°C2026-08-15: -0.3°C2026-08-16: +0.6°C2026-08-17: -3.0°C2026-08-18: -3.5°C2026-08-19: +1.2°C2026-08-20: +1.5°C2026-08-21: +2.0°C2026-08-22: -2.4°C2026-08-23: -0.2°C2026-08-24: -2.3°C2026-08-25: -2.4°C2026-08-26: -2.8°C2026-08-27: +0.1°C2026-08-28: +3.3°C2026-08-29: +2.9°C2026-08-30: +2.2°C2026-08-31: -1.0°C2026-09-01: +1.0°C2026-09-02: +2.2°C2026-09-03: +0.6°C2026-09-04: +0.9°C2026-09-05: +0.2°C2026-09-06: +0.8°C2026-09-07: +3.7°C2026-09-08: +2.6°C2026-09-09: +1.7°C2026-09-10: +2.2°C2026-09-11: +4.5°C2026-09-12: +4.4°C2026-09-13: +4.0°C2026-09-14: 0.0°C2026-09-15: +4.2°C2026-09-16: +0.9°C2026-09-17: -0.9°C2026-09-18: -1.5°C2026-09-19: +1.8°C2026-09-20: +1.9°C2026-09-21: -1.0°C2026-09-22: +1.7°C2026-09-23: +2.2°C2026-09-24: +0.5°C2026-09-25: +1.9°C2026-09-26: +0.1°C2026-09-27: +2.6°C2026-09-28: +3.0°C2026-09-29: 0.0°C

Each bar is one day: orange above normal, blue below.

Month by month

MonthHigh / LowRainfallTravel rating
January-6° / -12°C178mm⚠️ Challenging
February-6° / -11°C152mm⚠️ Challenging
March-3° / -8°C129mm⚠️ Challenging
April2° / -3°C117mm⚠️ Challenging
May8° / 2°C93mm⚠️ Challenging
June12° / 7°C93mm🤔 Fair
July16° / 10°C138mm🤔 Fair
August15° / 9°C146mm🤔 Fair
September10° / 5°C195mm⚠️ Challenging
October3° / -1°C216mm⚠️ Challenging
November-2° / -7°C166mm⚠️ Challenging
December-5° / -11°C190mm⚠️ Challenging

Tromso Weather in January

⚠️ Challenging time to visit

January in Tromso is freezing, with daytime highs below zero, with average daytime highs around -6°C (20°F) and nighttime lows near -12°C (11°F). Expect roughly 178mm of precipitation spread over about 15 rainy days, and this is one of the wetter months.

Avg high
-6°C
20°F
Avg low
-12°C
11°F
Rainfall
178mm
rainy
Rainy days
15
days with ≥1mm

🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat · compact umbrella or rain jacket

Tromso Weather in February

⚠️ Challenging time to visit

February in Tromso is freezing, with daytime highs below zero, with average daytime highs around -6°C (21°F) and nighttime lows near -11°C (12°F). Expect roughly 152mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.

Avg high
-6°C
21°F
Avg low
-11°C
12°F
Rainfall
152mm
rainy
Rainy days
13
days with ≥1mm

🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat · compact umbrella or rain jacket

Tromso Weather in March

⚠️ Challenging time to visit

March in Tromso is freezing, with daytime highs below zero, with average daytime highs around -3°C (26°F) and nighttime lows near -8°C (17°F). Expect roughly 129mm of precipitation spread over about 14 rainy days, and this is one of the wetter months.

Avg high
-3°C
26°F
Avg low
-8°C
17°F
Rainfall
129mm
rainy
Rainy days
14
days with ≥1mm

🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat · compact umbrella or rain jacket

Tromso Weather in April

⚠️ Challenging time to visit

April in Tromso is cold, with average daytime highs around 2°C (36°F) and nighttime lows near -3°C (26°F). Expect roughly 117mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.

Avg high
2°C
36°F
Avg low
-3°C
26°F
Rainfall
117mm
rainy
Rainy days
13
days with ≥1mm

🎒 What to pack — warm coat · sweaters and layers · scarf · compact umbrella or rain jacket

Tromso Weather in May

⚠️ Challenging time to visit

May in Tromso is cold, with average daytime highs around 8°C (46°F) and nighttime lows near 2°C (35°F). Expect roughly 93mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.

Avg high
8°C
46°F
Avg low
2°C
35°F
Rainfall
93mm
moderate
Rainy days
11
days with ≥1mm

🎒 What to pack — warm coat · sweaters and layers · scarf

Tromso Weather in June

🤔 Fair time to visit

June in Tromso is chilly, with average daytime highs around 12°C (54°F) and nighttime lows near 7°C (44°F). Expect roughly 93mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.

Avg high
12°C
54°F
Avg low
7°C
44°F
Rainfall
93mm
moderate
Rainy days
11
days with ≥1mm

🎒 What to pack — jacket or coat · long-sleeve layers

Tromso Weather in July

🤔 Fair time to visit

July in Tromso is mild, with average daytime highs around 16°C (60°F) and nighttime lows near 10°C (50°F). Expect roughly 138mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.

Avg high
16°C
60°F
Avg low
10°C
50°F
Rainfall
138mm
rainy
Rainy days
11
days with ≥1mm

🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket

Tromso Weather in August

🤔 Fair time to visit

August in Tromso is mild, with average daytime highs around 15°C (58°F) and nighttime lows near 9°C (48°F). Expect roughly 146mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.

Avg high
15°C
58°F
Avg low
9°C
48°F
Rainfall
146mm
rainy
Rainy days
13
days with ≥1mm

🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket

Tromso Weather in September

⚠️ Challenging time to visit

September in Tromso is chilly, with average daytime highs around 10°C (50°F) and nighttime lows near 5°C (41°F). Expect roughly 195mm of precipitation spread over about 15 rainy days, and heavy rainfall is common — this is peak wet season territory.

Avg high
10°C
50°F
Avg low
5°C
41°F
Rainfall
195mm
very wet
Rainy days
15
days with ≥1mm

🎒 What to pack — jacket or coat · long-sleeve layers · compact umbrella or rain jacket

Tromso Weather in October

⚠️ Challenging time to visit

October in Tromso is cold, with average daytime highs around 3°C (38°F) and nighttime lows near -1°C (30°F). Expect roughly 216mm of precipitation spread over about 16 rainy days, and heavy rainfall is common — this is peak wet season territory.

Avg high
3°C
38°F
Avg low
-1°C
30°F
Rainfall
216mm
very wet
Rainy days
16
days with ≥1mm

🎒 What to pack — warm coat · sweaters and layers · scarf · compact umbrella or rain jacket

Tromso Weather in November

⚠️ Challenging time to visit

November in Tromso is freezing, with daytime highs below zero, with average daytime highs around -2°C (28°F) and nighttime lows near -7°C (19°F). Expect roughly 166mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.

Avg high
-2°C
28°F
Avg low
-7°C
19°F
Rainfall
166mm
rainy
Rainy days
13
days with ≥1mm

🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat · compact umbrella or rain jacket

Tromso Weather in December

⚠️ Challenging time to visit

December in Tromso is freezing, with daytime highs below zero, with average daytime highs around -5°C (22°F) and nighttime lows near -11°C (12°F). Expect roughly 190mm of precipitation spread over about 15 rainy days, and this is one of the wetter months.

Avg high
-5°C
22°F
Avg low
-11°C
12°F
Rainfall
190mm
rainy
Rainy days
15
days with ≥1mm

🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat · compact umbrella or rain jacket

FAQ

What is the best time to visit Tromso?
Based on 30 years of climate data, the most comfortable months to visit Tromso are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
What is the hottest month in Tromso?
July is typically the hottest month in Tromso, with average daytime highs around 16°C.
What is the rainiest month in Tromso?
October is usually the wettest month, with around 216mm of precipitation.