The climate in Tromsø during May can be summarized as cool and reasonably dry.
May is in the spring in Tromsø and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night -0°C (32°F) is normal.
|Daytime temperature||6.9°C 44.3°F|
|Nightly temperature||-0.3°C 31.6°F|
|Average temperature||3.3°C 37.9°F|
|Daily sunshine||0 hrs|
|Avg rainfall||45 mm 1.8 ins|
|Rainy days||15 days|
|Sea temperature||5.9°C 42.6°F|
|Windspeed||12.2kph 8 mph|
On average May is the driest month of the year in Tromsø with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 0 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Tromsø in May 2023.
|Hottest month:||July||14.3°C 57.7°F|
|Driest month:||May||45mm 1.8ins|
|Coldest month:||January||-2°C 28.4°F|
|Wettest month:||October||118mm 4.6ins|