Sundsvall
Sweden
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Sundsvall, Sweden

  • Average high temperature in April: 7°C

The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-5°C).

  • Average low temperature in April: -2°C

The month with the highest average low temperature is July (10°C).
The coldest month (with the lowest average low temperature) is January (-15°C).

  • Average rainfall in April: 32mm

Wettest months (with the highest rainfall) are August and September (64mm).
The driest month (with the lowest rainfall) is February (28mm).

  • Average rainfall days in April: 11 days

Months with the highest number of rainy days are January and December (16 days).
Months with the lowest number of rainy days are April, May and June (11 days).

  • Average sea temperature in April: 2°C

The best month for swimming (with the highest average sea temperature) is August (15°C).
Coldest months (with the lowest average sea temperature) are January, February and March (1°C).

  • Average daylight in April: 16.6h

The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 7.4h).

  • Average sunshine in April: 5h

The month with most sunshine is June (Average sunshine: 9h).
Months with least sunshine are January, February, November and December (Average sunshine: 1).

  • Average UV index in April: 2

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 0).

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