If you plan to visit Tromso in August, the weather is typically alright, with an average high temperature of +16°C during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 20 rainy days in the month and around 109 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+16°C
Avg. max. temperature
+2°C
Min.
+29°C
Max.
109 mm
Total precipitation
79%
Avg. humidity
2 m/s
Avg. wind
2 ☀️
Sunny Days
9 ⛅️
Cloudy
20 🌦
Rainy
Our opinion: Tromso has OK weather in August.
Average temperature in Tromso in August
Here are the expected maximum, average and minimum temperatures in Tromso for August based on the historical data.
Last Year
Historical Data
Going from a maximum of +28°C during the day to a minimum of +7°C during the night, the temperature in August averages around +18°C.
The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +22°C to +15°C.
Is Tromso warm or cold in August?
Tromso is typically mild in August.
Maximum temperatures go down compared to the previous month from +17°C to +16°C. The minimum temperature also goes down from +10°C to +9°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
August is one of the warmest months in Tromso, here is the comparison with other months:
Water temperature in Tromso in August
Water in Tromso in August is Cold. It varies from +10°C to +13°C, with an average of +11°C.This is almost similar to the air temperature, which averages +16°C.
The water temperature in August is one of the warmest of the entire year:
The warmest water temperatures in Tromso are reached in August, when the average sea temperature rises to +11°C. The coldest water temperatures are in March, with an average of +4°C.
Can you swim in Tromso in August?
We would not recommend swimming in Tromso in August, the water is very cold (+11°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Climate in Tromso in August
Tromso weather looks like this, on average, in August and the surrounding months.
July
August
September
Avg. temperature
+17°C
+16°C
+12°C
Min. temperature
+4°C
+2°C
-5°C
Max. temperature
+30°C
+29°C
+21°C
Rainfall
102 mm
109 mm
128 mm
Wind
2 m/s
2 m/s
2 m/s
Avg. water temperature
+11°C
+11°C
+10°C
Humidity
78%
79%
81%
Air pressure
1010 HPa
1010 HPa
1008 HPa
Sunny days
3
2
2
Cloudy days
8
9
6
Rainy days
20
20
21
Snowy days
0
0
0
August weather is still as ok as in July.It’s getting colder in August. From +17°C in the day, the average maximum temperature lowers to +16°C.Prepare for more rain. Average rainfall goes from 102 mm to 109 mm.Humidity rises from 78% to 79%.The average wind speed doesn’t change much during August, staying around 2 m/s.The days becoming less sunny, going from 3 sunny days in July to 2 in August.
September brings much the same weather, it remains ok.
Wind speed in Tromso in August based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Tromso is gradually increasing during August, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during August in Tromso based on historical data.
Last Year
Historical Data
Typically, there is a 45% chance of rain on an average day in August, with total rainfall of approximately 61 mm. The maximum amount of rainfall per day is around 14 mm, which is considered light rain.August is a pretty wet month with over 14 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
August is one of the rainiest months in Tromso, here is a comparison with other months, total mm:
Tromso wettest month is September, where a typical day has a 70% chance of precipitation and 128 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 47 mm of rainfall per day.
How was the weather last August in Tromso?
This is the weather in Tromso in August 2023:
1 August
☀️
+22°C
2 August
☀️
+24°C
3 August
☁️
+24°C
4 August
☁️
+20°C
5 August
☁️
+16°C
6 August
☁️
+18°C
7 August
🌧️
+17°C
8 August
☀️
+28°C
9 August
☀️
+27°C
10 August
☀️
+22°C
11 August
☀️
+23°C
12 August
☁️
+19°C
13 August
☁️
+21°C
14 August
☁️
+18°C
15 August
🌧️
+16°C
16 August
🌧️
+13°C
17 August
☁️
+13°C
18 August
☁️
+14°C
19 August
☀️
+15°C
20 August
☀️
+17°C
21 August
☁️
+18°C
22 August
☁️
+14°C
23 August
☁️
+16°C
24 August
☁️
+15°C
25 August
☁️
+14°C
26 August
☁️
+17°C
27 August
☁️
+18°C
28 August
☀️
+20°C
29 August
🌧️
+15°C
30 August
🌧️
+17°C
31 August
☁️
+15°C
In August 2023 Tromso had 9 sunny days, 17 cloudy days, and 5 rainy days. The average maximum temperature was +18°C, with an absolute maximum of +28°C and a minimum of +13°C. The average humidity was 80%, with a maximum of 99% and a minimum of 38%. The average wind speed was 2 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in August?
Climate Change over Years
This is how Tromso climate have been changing during last 43 years period.
The climate in Tromso in August has not changed much over the last 43 years.
The average temperature was the lowest in 1981 (+4°C) and the highest in 1990 (+8°C). The driest year was 1980 with only 614 mm of rainfall, and the wettest year was 1989 with 1352 mm.
FAQ
Frequently asked questions about the weather in Tromso in August:
Is August a good time to visit Tromso?
It’s always a good time to visit Tromso, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Tromso in August?
August has mild temperatures in Tromso. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Tromso in August?
Swimming in Tromso in August is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Tromso rainy in August?
Tromso is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Tromso in August?
Usually, it’s not very sunny in Tromso in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Tromso, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
