UV Index in Trondheim

Real-time UV forecast & tanning weather

Current Conditions

Loading live weather data...
2
Low
UV Index
🌡️
15°C
Temperature
Partly cloudy
Conditions
☀️
Peak Tanning Window 12PM • UV 5

Hourly UV Forecast

☀️ Good tanning conditions 11AM–3PM 19°C • 8 km/h 🌬️
0
6AM
1
7AM
2
NOW
2
9AM
4
10AM
4
11AM
5
12PM
5
1PM
4
2PM
4
3PM
3
4PM
4
5PM
3
6PM
1
7PM
0
8PM
0
9PM
Low 0–2 Moderate 3–5 High 6–7 Very High 8–10 Extreme 11+

16-Day UV Forecast

5
Mon 1
Good
5
Tue 2
Fair
6
Wed 3
Excellent
5
Thu 4
Good
4
Fri 5
Excellent
1
Sat 6
Poor
2
Sun 7
Poor
5
Mon 8
Good
3
Tue 9
Poor
1
Wed 10
5
Thu 11
Fair
5
Fri 12
Fair
6
Sat 13
Fair
5
Sun 14
Fair
5
Mon 15
Good
6
Tue 16
Excellent

Location & Climate

In Trondheim, UV rises from 0 in January to 4 in June, with peak tanning months being May, June, July, August, September. Expect the strongest sun between late spring and early fall.

The tanning season here is short — maximize the summer months when UV levels are adequate. On low-UV days, longer sessions with proper hydration can still produce a gradual tan.

SPF 15-30 is adequate during summer tanning sessions. In winter, UV levels are typically too low to require sunscreen for tanning purposes, though daily SPF is always good skincare practice.

Tanning Tips

Tanning opportunities in Trondheim are limited to summer months (–). Make the most of high-UV days when they occur.

Weather data by Open-Meteo (CC BY 4.0)

Monthly UV Index in Trondheim

Average daily maximum UV index by month

Jan
0
Feb
0
Mar
1
Apr
2
May
3
Jun
4
Jul
4
Aug
4
Sep
3
Oct
2
Nov
1
Dec
0
Low Moderate High Very High Extreme

Best Months to Tan in Trondheim

Trondheim has limited tanning conditions year-round. UV levels rarely reach effective tanning levels.

Frequently Asked Questions

What is the UV index in Trondheim right now?
The current UV index in Trondheim is shown in the live weather section above. UV levels change throughout the day, typically peaking between 11 AM and 2 PM local time.
What is the best month to tan in Trondheim?
The best months for tanning in Trondheim are —, when average UV levels reach 5 or higher.
How long should I tan in Trondheim?
Tanning time depends on your skin type and the current UV index. For a moderate UV of 2, a person with Skin Type III (medium complexion) can safely tan for about 75 minutes per session. Use our Tanning Calculator for personalized recommendations.
Is it safe to tan in UV index 4?
UV index 4 is classified as Moderate. Moderate — wear sunscreen and sunglasses. Tanning is effective at this level.
When is the peak UV time in Trondheim?
UV levels in Trondheim typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.

Get Personalized Tanning Sessions

Tan AI calculates your perfect tanning time based on real-time UV, your skin type, and goals.