April weather forecastUmeå, Sweden
April
Weather in April
April sees a significant shift in weather conditions in Umeå. The month is noticeably milder than March, leading to a discernible change in flora and fauna. Snow, while still present, dramatically decreases by this month. The days continue to grow longer, offering more lead to enjoy outdoor activities. The warmer weather encourages a burst of new buds on the trees, signalling end of Umeå's long winter.Temperature
The shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from a freezing cold -0.3°C (31.5°F) in March to a wintry 4.3°C (39.7°F). Umeå registers an average low-temperature of -0.3°C (31.5°F) throughout April, a modest decrease from its daytime highs.Humidity
The average relative humidity in April is 83%.Rainfall
The month with the least rainfall is April, when the rain falls for 10.8 days and typically collects 22mm (0.87") of precipitation.Snowfall
Months with snowfall in Umeå are January through May, October through December. In Umeå, in April, during 7 snowfall days, 55mm (2.17") of snow is typically accumulated. In Umeå, during the entire year, snow falls for 84.8 days and aggregates up to 915mm (36.02") of snow.Sea temperature
In April, the average sea temperature in Umeå, Sweden, is 1°C (33.8°F).Note: In the practice of swimming, this situation poses immediate risks to life. Losing control over breathing is immediate, thereby making clear thinking near impossible. A specialized swimsuit is obligatory to restrict thermal loss.
Daylight
In April, the average length of the day is 15h and 5min.On the first day of April in Umeå, sunrise is at 05:55 and sunset at 19:30. On the last day of the month, sunrise is at 04:14 and sunset at 20:57 CEST.
Sunshine
The average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index in Umeå is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during April leads to these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Umeå, Sweden
- Average high temperature in April: 4.3°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The months with the lowest average high temperature are January and February (-3.5°C).
- Average low temperature in April: -0.3°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-7.6°C).
Average pressure in April
Umeå, Sweden
- Average pressure in April: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.3mbar).
Average wind speed in April
Umeå, Sweden
- Average wind speed in April: 13.7km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in April
Umeå, Sweden
- Average humidity in April: 83%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (70%).
Average rainfall in April
Umeå, Sweden
- Average rainfall in April: 22mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in April
Umeå, Sweden
- Average rainfall days in April: 10.8 days
The months with the highest number of rainy days are July and August (14 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in April
Umeå, Sweden
- Average snowfall in April: 55mm
The month with the highest snowfall is March (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Umeå, Sweden
- Average snowfall days in April: 7 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Umeå, Sweden
- Average sea temperature in April: 1°C
The best month for swimming (with the highest average sea temperature) is August (15°C).
The coldest months (with the lowest average sea temperature) are February and March (0°C).
Average daylight in April /
Average sunshine in April
Umeå, Sweden
- Average daylight in April: 15h and 6min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in April: 7h and 12min
The month with the most sunshine is June (Average sunshine: 13h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in April
Umeå, Sweden
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is June (15.7 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in April
Umeå, Sweden
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Umeå, Sweden
- Average cloud cover in April: 54
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in April
Umeå, Sweden
- Average visibility in April: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (8km).





