Tromsø in January

In January, Tromsø averages -2°C (28°F) during the day and -7°C (19°F) at night, with frequent rain — about 15 days of the month see precipitation (80 mm total).

Off-peak

Conditions are deeply cold — proper winter gear is essential. Plan for unsettled weather and bring rain gear. Snowfall occurs on roughly 12 days.

January is one of the wetter and less comfortable months in Tromsø. If your dates are flexible, consider a different time of year.

-2°C
Avg high
-7°C
Avg low
15
Rain days
80 mm
Rainfall
12
Snow days

How January compares to the rest of the year in Tromsø

11th
warmest month of the 12
1st
wettest month of the 12
9%
of yearly rainfall falls in January
0 h 22 min
daylight on the 15th

January is one of the coolest months in Tromsø (11th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 7°C below the annual average (5°C). January runs 1°C cooler than December (-1°C) and stays flat into February.

January sunrise & sunset in Tromsø

🌅
Sunrise (15th)
11:42 AM
🌇
Sunset (15th)
12:04 PM
Day length
0 h 22 min

Times shown for Tromsø local time (Europe/Oslo), calculated for the 15th of January. They shift by a few minutes day to day across the month.

Photography light in Tromsø — January

Golden-hour and blue-hour windows for the 15th of January, in Tromsø's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
10:42 AM – 11:22 AM
🌄 Golden hour (AM)
11:22 AM – 12:22 PM
🌇 Golden hour (PM)
11:24 AM – 12:24 PM
🌆 Blue hour (PM)
12:24 PM – 1:04 PM
Aurora visibility
Good
Tromsø is auroral-friendly this month; check 3-day Kp forecasts and head somewhere dark when activity spikes.

📅 When to book — Tromsø in January

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (Off-peak) and Tromsø's popularity.

✈ Flights — lead time
3-6 weeks
Cheapest flights of the year. Last-minute deals are real if you can be flexible.
🏨 Lodging — lead time
2-4 weeks
Last-minute bookings work fine. Some seasonal properties close — call ahead if it's a small boutique or beach resort.
⚠ Christmas / New Year travel is a global premium-pricing event — many destinations 30-50% above normal. Book 4+ months ahead if your dates are Dec 20 - Jan 2.

Crowds & pricing — January in Tromsø

Off-peak

This is off-peak for Tromsø — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.

Why this tier: challenging tourism weather

Sun & mosquito risk — January in Tromsø

☀️ UV Index (noon, 15th)
0
None
No UV exposure (polar night or below-horizon sun).
🦟 Mosquito risk
●●○○○
Low
Mosquitoes present but manageable. Pack repellent (DEET 10-20%) for evenings near water.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

❄️❄️ Heavy snow season — Tromsø in January

Snow days (typical)
12
days/month
Avg low
-7°C
19°F
Avg day high
-2°C
28°F

Gear: Expect deep snow on most days. Waterproof boots, insulated jacket, base layers, and traction (microspikes for icy sidewalks).

Tromsø in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January -2°C / 28°F -7°C / 19°F 80 mm 15 12
February -2°C / 28°F -7°C / 19°F 65 mm 13 10
March -1°C / 30°F -6°C / 21°F 65 mm 12 8
April 2°C / 36°F -3°C / 27°F 50 mm 10 4
May 7°C / 45°F 1°C / 34°F 40 mm 9 1
June 12°C / 54°F 5°C / 41°F 55 mm 10 0
July 16°C / 61°F 9°C / 48°F 75 mm 11 0
August 15°C / 59°F 9°C / 48°F 80 mm 12 0
September 10°C / 50°F 5°C / 41°F 90 mm 12 1
October 4°C / 39°F 0°C / 32°F 115 mm 15 3
November 1°C / 34°F -3°C / 27°F 90 mm 14 8
December -1°C / 30°F -5°C / 23°F 85 mm 15 11

Other cities with similar January weather

🌍 See the full ranked list of climate twins for Tromsø in January →

Frequently asked questions

How hot is Tromsø in January?

In January, Tromsø averages a high of -2°C (28°F) and a low of -7°C (19°F) — generally cold.

Does it rain a lot in Tromsø in January?

January is quite rainy in Tromsø, with about 15 rainy days on average and roughly 12 snow days.

Is January a good time to visit Tromsø?

January is cold but on the rainy side. It suits travelers who are comfortable with cold weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Tromsø in January?

Pack heavy winter layers, a coat, hat and gloves, plus a compact umbrella or rain jacket. See the full January packing list for Tromsø for a complete, climate-based checklist.

Open Tromsø on the interactive map

Check the live 10-day forecast and sunrise/sunset.