Tromsø in October

In October, Tromsø averages 4°C (39°F) during the day and 0°C (32°F) at night, with frequent rain — about 15 days of the month see precipitation (115 mm total).

Off-peak

Conditions are cold — pack winter layers. Plan for unsettled weather and bring rain gear. Snowfall occurs on roughly 3 days.

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

4°C
Avg high
0°C
Avg low
15
Rain days
115 mm
Rainfall
3
Snow days

How October compares to the rest of the year in Tromsø

6th
warmest month of the 12
2nd
wettest month of the 12
13%
of yearly rainfall falls in October
9 h 12 min
daylight on the 15th

October is in the middle of the year for warmth in Tromsø (6th of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 1°C below the annual average (5°C). October runs 6°C cooler than September (10°C) and cools 3°C in November (1°C).

October sunrise & sunset in Tromsø

🌅
Sunrise (15th)
7:53 AM
🌇
Sunset (15th)
5:06 PM
Day length
9 h 12 min

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

Photography light in Tromsø — October

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

🌅 Blue hour (AM)
6:53 AM – 7:33 AM
🌄 Golden hour (AM)
7:33 AM – 8:33 AM
🌇 Golden hour (PM)
4:26 PM – 5:26 PM
🌆 Blue hour (PM)
5:26 PM – 6:06 PM
Milky Way galactic core
Poor
Core barely rises (or hasn't yet returned for the season). Consider a different month.
Aurora visibility
Excellent
Tromsø sits in the auroral oval — even modest geomagnetic activity (Kp 3-4) puts aurora overhead on clear nights this month.

📅 When to book — Tromsø in October

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 October'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.

Crowds & pricing — October 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 — October in Tromsø

☀️ UV Index (noon, 15th)
1.4
Low
Minimal sun protection needed for normal activity.
🦟 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.

🌨 Some snow — Tromsø in October

Snow days (typical)
3
days/month
Avg low
0°C
32°F
Avg day high
4°C
39°F

Gear: Occasional snow, often slushy by afternoon. Waterproof boots, warm coat, hat and gloves.

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 October weather

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

Frequently asked questions

How hot is Tromsø in October?

In October, Tromsø averages a high of 4°C (39°F) and a low of 0°C (32°F) — generally cold.

Does it rain a lot in Tromsø in October?

October is quite rainy in Tromsø, with about 15 rainy days on average and roughly 3 snow days.

Is October a good time to visit Tromsø?

October 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 October?

Pack heavy winter layers, a coat, hat and gloves, plus a compact umbrella or rain jacket. See the full October 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.