Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
A slight uplift in the average high-temperature marks May, adjusting from April's cold 0.7°C (33.3°F) to a still icy 5°C (41°F). Nighttime temperatures in Tromsø during May report a consistent average of 0.8°C (33.4°F).Humidity
In Tromsø, the average relative humidity in May is 85%.Rainfall
In Tromsø, Norway, in May, it is raining for 14.3 days, with typically 77mm (3.03") of accumulated precipitation. In Tromsø, Norway, during the entire year, the rain falls for 148.1 days and collects up to 987mm (38.86") of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Tromsø, during May, snow falls for 7.9 days and regularly aggregates up to 182mm (7.17") of snow. Throughout the year, there are 120.1 snowfall days, and 2826mm (111.26") of snow is accumulated.Sea temperature
In Tromsø, Norway, in May, the average water temperature is 6.2°C (43.2°F).Note: One needs to be cautious in 6.2°C (43.2°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
The average length of the day in May is 11h and 16min.Sunshine
The average sunshine in May in Tromsø is 4.1h.UV index
In Tromsø, Norway, the average daily maximum UV index in May is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during May translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is May in Tromsø?
What is the average humidity in May in Tromsø?
How much does it rain in Tromsø in May?
How many days does it snow in May in Tromsø?
What is the water temperature in May in Tromsø?
How many hours of daylight does Tromsø have in May?
How many hours of sunshine does Tromsø have in May?
How high is the UV index in May in Tromsø?
Average temperature in May
Tromsø, Norway
- Average high temperature in May: 5°C
The warmest month (with the highest average high temperature) is July (13.9°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in May: 0.8°C
The month with the highest average low temperature is July (8.7°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).
Average pressure in May
Tromsø, Norway
- Average pressure in May: 1013.8mbar
The month with the highest atmospheric pressure is May (1013.8mbar).
The month with the lowest atmospheric pressure is December (1000.7mbar).
Average wind speed in May
Tromsø, Norway
- Average wind speed in May: 12.8km/h
The windiest month (with the highest average wind speed) is March (17km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).
Average humidity in May
Tromsø, Norway
- Average humidity in May: 85%
The month with the highest relative humidity is April (89%).
The month with the lowest relative humidity is July (79%).
Average rainfall in May
Tromsø, Norway
- Average rainfall in May: 77mm
The wettest month (with the highest rainfall) is March (103mm).
The driest month (with the least rainfall) is July (55mm).
Average rainfall days in May
Tromsø, Norway
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in May
Tromsø, Norway
- Average snowfall in May: 182mm
The month with the highest snowfall is March (569mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Tromsø, Norway
- Average snowfall days in May: 7.9 days
The month with the highest number of snowfall days is March (22.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in May
Tromsø, Norway
- Average sea temperature in May: 6.2°C
The best month for swimming (with the highest average sea temperature) is August (11.3°C).
The coldest month (with the lowest average sea temperature) is March (4.2°C).
Average daylight in May /
Average sunshine in May
Tromsø, Norway
- Average daylight in May: 11h and 2min
The month with the longest days is August (Average daylight: 18h and 0min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in May: 4h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in May
Tromsø, Norway
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is March (6.2 days).
Average UV index in May
Tromsø, Norway
- Average UV index in May: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in May
Tromsø, Norway
- Average cloud cover in May: 65
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 58).
Average visibility in May
Tromsø, Norway
- Average visibility in May: 8km
The months with the highest visibility are June, July, August, September, October and November (9km).
The month with the lowest visibility is April (7km).
Tromsø, Norway
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