Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's onset in Sundsvall, Sweden, brings a temperature rise, moving from a cold 1°C (33.8°F) in March to a frosty 7°C (44.6°F). An average nighttime temperature of 0.5°C (32.9°F) is observed in Sundsvall, Sweden, during April.Humidity
In April, the average relative humidity is 76%.Rainfall
April is the month with the least rainfall. Rain falls for 10.7 days and accumulates 19mm (0.75") of precipitation.Snowfall
January through May, October through December are months with snowfall in Sundsvall. In Sundsvall, Sweden, in April, snow falls for 5.3 days, with typically accumulated 35mm (1.38") of snow. In Sundsvall, during the entire year, snow falls for 70.7 days and aggregates up to 908mm (35.75") of snow.Sea temperature
In April, the average sea temperature is 2°C (35.6°F).Note: Within the context of swimming, this scenario is life-threatening. Instant loss of control over breathing impairs cognitive functions. It is essential to use a specialized swimsuit to mitigate thermal loss.
Daylight
The average length of the day in April in Sundsvall is 14h and 54min.On the first day of April in Sundsvall, sunrise is at 06:09 and sunset at 19:39. On the last day of the month, sunrise is at 04:35 and sunset at 21:00 CEST.
Sunshine
The average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, a regular UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April in Sundsvall?
What is the average humidity in April in Sundsvall?
What is the driest month in Sundsvall?
How much does it rain in Sundsvall in April?
How many days does it snow in April in Sundsvall?
What is the sea temperature in April in Sundsvall?
What is the average length of the day in April in Sundsvall?
When is the sunrise / sunset in April in Sundsvall?
How long on average sun shines in April in Sundsvall?
How high is the UV index in April in Sundsvall?
Average temperature in April
Sundsvall, Sweden
- Average high temperature in April: 7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in April: 0.5°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-6.9°C).
Average pressure in April
Sundsvall, Sweden
- Average pressure in April: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.9mbar).
Average wind speed in April
Sundsvall, Sweden
- Average wind speed in April: 10.6km/h
The windiest month (with the highest average wind speed) is January (11.9km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in April
Sundsvall, Sweden
- Average humidity in April: 76%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (66%).
Average rainfall in April
Sundsvall, Sweden
- Average rainfall in April: 19mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in April
Sundsvall, Sweden
- Average rainfall days in April: 10.7 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in April
Sundsvall, Sweden
- Average snowfall in April: 35mm
The month with the highest snowfall is January (217mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Sundsvall, Sweden
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Sundsvall, Sweden
- Average sea temperature in April: 2°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 January, February and March (1°C).
Average daylight in April /
Average sunshine in April
Sundsvall, Sweden
- Average daylight in April: 14h and 5min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in April
Sundsvall, Sweden
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in April
Sundsvall, Sweden
- Average UV index in April: 2
The months with the highest UV index are June and 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
Sundsvall, Sweden
- Average cloud cover in April: 51
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in April
Sundsvall, Sweden
- Average visibility in April: 9km
The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February and March (7km).
Sundsvall, Sweden
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