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Tromso in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Tromso in May will be like? Take a look at our weather guide for Tromso, based on historical data.
Check flight prices to Tromso on Avionero:
May

Weather in Tromso in May 2024

OK Weather
Chill
☁️
Cloudy
May could be a good time to visit Tromso, as the weather is generally fine. The average high temperature is around +48°F, and there are typically 4 sunny days in May. However, expect about 11 rainy days, and total monthly rainfall of approximately 87 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • May is usually the driest month of the year in Tromso

Average weather

☀️
+48°F
Avg. max. temperature
+18°F
Min.
+77°F
Max.
87 mm
Total precipitation
70%
Avg. humidity
2 m/s
Avg. wind
4 ☀️
Sunny Days
15 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Tromso has OK weather in May.

Average temperature in Tromso in May

Here are the expected maximum, average and minimum temperatures in Tromso for May based on the historical data.
Last Year
Historical Data

The temperature in May is +50°F on average, with a range between a maximum of +72°F during the day and a minimum of +27°F at night.

The average maximum temperature goes up 68% by the end of the month, compared with the beginning of the month, from +41°F to +72°F.

Is Tromso warm or cold in May?

Tromso is typically chill in May.

Maximum temperatures go up compared to the previous month from +39°F to +48°F. The minimum temperature also goes up from +30°F to +37°F.

Pack a jumper and a jacket as there will be cooler temperatures.

Take a look at how May is compared to other months in Tromso:

Climate in Tromso in May

Tromso weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+39°F+48°F+57°F
Min. temperature
+3°F+18°F+34°F
Max. temperature
+63°F+77°F+88°F
Rainfall
60 mm87 mm93 mm
Wind
2 m/s2 m/s2 m/s
Humidity
73%70%73%
Air pressure
1009 HPa1012 HPa1011 HPa
Sunny days
443
Cloudy days
151515
Rainy days
61112
Snowy days
510

May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +39°F to +48°F during the day. Prepare for more rain. Average rainfall goes from 60 mm to 87 mm. It feels drier, as humidity decreases from 73% to 70%. The average wind speed doesn’t change much during May, staying around 2 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.

June brings much the same weather, it remains ok.

Wind

Wind speed in Tromso in May based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Tromso is gradually decreasing during May, going from 5 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Tromso based on historical data.
Last Year
Historical Data
Typically, there is a 61% chance of rain on an average day in May, with total rainfall of approximately 128 mm. The maximum amount of rainfall per day is around 15 mm, which is considered light rain. May is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Tromso wettest month is October, where a typical day has a 39% chance of precipitation and 126 mm of rainfall per day. February, on the other hand, is the driest month with a mere 10% chance of precipitation and 46 mm of rainfall per day.

Snow

Amount of snow in mm during May in Tromso based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in May, with a total monthly snowfall of approximately 9 mm.

Here’s how May is compared with other months in the amount of snow, total mm:

How was the weather last May in Tromso?

This is the weather in Tromso in May 2023:
1 May
🌧️
+40°F
2 May
🌧️
+37°F
3 May
☁️
+36°F
4 May
🌧️
+38°F
5 May
🌧️
+44°F
6 May
🌧️
+47°F
7 May
🌧️
+46°F
8 May
🌧️
+38°F
9 May
🌧️
+44°F
10 May
🌧️
+44°F
11 May
🌧️
+45°F
12 May
🌧️
+42°F
13 May
☁️
+45°F
14 May
🌧️
+53°F
15 May
🌧️
+48°F
16 May
🌧️
+41°F
17 May
🌧️
+41°F
18 May
🌧️
+45°F
19 May
☀️
+49°F
20 May
☀️
+56°F
21 May
☁️
+52°F
22 May
☁️
+58°F
23 May
☀️
+62°F
24 May
☀️
+65°F
25 May
☀️
+66°F
26 May
☀️
+69°F
27 May
☁️
+61°F
28 May
☁️
+56°F
29 May
☀️
+63°F
30 May
☀️
+71°F
31 May
☀️
+72°F
In May 2023 Tromso had 9 sunny days, 6 cloudy days, and 16 rainy days. The average maximum temperature was +50°F, with an absolute maximum of +72°F and a minimum of +36°F. The average humidity was 71%, with a maximum of 100% and a minimum of 25%. The average wind speed was 4 m/s, with a maximum of 18 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Tromso climate has changed over the last 43 years.

The climate in Tromso in May has not changed that much over the last 43 years.

The average temperature was the lowest in 2017 (+45°F) and the highest in 1984 (+61°F). The driest year was 2006 with only 20 mm of rainfall, and the wettest year was 1990 with 220 mm.

FAQ

Frequently asked questions about the weather in Tromso in May:

Is May a good time to visit Tromso?

It’s always a good time to visit Tromso, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Tromso in May?

Not really, May is not the best time to sunbathe, unless you visit a local solarium.

Is Tromso rainy in May?

Tromso is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Tromso in May?

Usually, it’s not very sunny in Tromso in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Norway

Check out the weather for other cities in Norway.

Monthly weather in Tromso

Source of the data

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, 2022.

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.