April weather forecastTromsø, Norway

April
Weather in April
April indicates a clear transition period from winter to spring in Tromsø. The weather starts to ease up, bidding farewell to the intensive snowfall and gradually escalating in temperatures. Snowfall lessens considerably, dropping to 370mm (14.57"), indicating a recession in the winter season. The increase in daylight hours boosts the city's liveliness. Tromsø in April is known for the melting snow, longer days, and a better presence of the Sun, bringing vibrant life back to the city.Temperature
Tromsø, Norway, observes a minor difference in average high-temperatures between March's -2.2°C (28°F) and April's 0.7°C (33.3°F). Tromsø registers a gentle descent to an average nighttime low of -4.2°C (24.4°F) in April from its daytime highs.Humidity
With an average relative humidity of 89%, April is the most humid month.Rainfall
In Tromsø, in April, during 10.2 rainfall days, 88mm (3.46") of precipitation is typically accumulated. Throughout the year, in Tromsø, there are 148.1 rainfall days, and 987mm (38.86") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Tromsø, in April, during 16.4 snowfall days, 370mm (14.57") of snow is typically accumulated. In Tromsø, during the entire year, snow falls for 120.1 days and aggregates up to 2826mm (111.26") of snow.Sea temperature
In Tromsø, in April, the average water temperature is 4.6°C (40.3°F).Note: Within swimming, this is perceived as extraordinarily cold, dangerous, and potentially lethal. If not properly protected by insulated waterproof attire, hypothermia ensues quickly.
Daylight
In April, the average length of the day in Tromsø is 16h and 13min.On the first day of the month, sunrise is at 05:45 and sunset at 19:50. On the last day of April, in Tromsø, Norway, sunrise is at 03:21 and sunset at 22:01 CEST.
Sunshine
In April, the average sunshine is 4.8h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In April, the UV index of 1 transforms into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Tromsø, Norway
- Average high temperature in April: 0.7°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 April: -4.2°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 April
Tromsø, Norway
- Average pressure in April: 1010.2mbar
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 April
Tromsø, Norway
- Average wind speed in April: 13.9km/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 April
Tromsø, Norway
- Average humidity in April: 89%
The month with the highest relative humidity is April (89%).
The month with the lowest relative humidity is July (79%).
Average rainfall in April
Tromsø, Norway
- Average rainfall in April: 88mm
The wettest month (with the highest rainfall) is March (103mm).
The driest month (with the least rainfall) is July (55mm).
Average rainfall days in April
Tromsø, Norway
- Average rainfall days in April: 10.2 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 April
Tromsø, Norway
- Average snowfall in April: 370mm
The month with the highest snowfall is March (569mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in April
Tromsø, Norway
- Average snowfall days in April: 16.4 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 April
Tromsø, Norway
- Average sea temperature in April: 4.6°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 April /
Average sunshine in April
Tromsø, Norway
- Average daylight in April: 16h and 12min
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 April: 4h and 48min
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 April
Tromsø, Norway
- Average sunshine days in April: 8 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 April
Tromsø, Norway
- Average UV index in April: 1
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 April
Tromsø, Norway
- Average cloud cover in April: 70
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 April
Tromsø, Norway
- Average visibility in April: 7km
The months with the highest visibility are June, July, August, September, October and November (9km).
The month with the lowest visibility is April (7km).





