April weather forecastHerøyholmen, Norway
April
Weather in April
April, like March, in Herøyholmen, Norway, is an icy spring month, with an average temperature varying between 4.4°C (39.9°F) and 2.1°C (35.8°F).Temperature
The transition from March to April brings an average high-temperature of a still wintry 4.4°C (39.9°F), barely different from March's 2.1°C (35.8°F). Herøyholmen navigates through April with a barely noticeable decrease in temperature at night, stabilizing at a still icy 2.1°C (35.8°F).Humidity
The average relative humidity in April is 79%.Rainfall
In Herøyholmen, during April, the rain falls for 14.1 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, there are 171.1 rainfall days, and 742mm (29.21") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Herøyholmen, during April, snow falls for 6.5 days and regularly aggregates up to 56mm (2.2") of snow. Throughout the year, there are 50 snowfall days, and 486mm (19.13") of snow is accumulated.Daylight
In Herøyholmen, the average length of the day in April is 15h and 26min.On the first day of April in Herøyholmen, sunrise is at 06:22 and sunset at 20:06. On the last day of the month, sunrise is at 04:29 and sunset at 21:46 CEST.
Sunshine
The average sunshine in April is 6.2h.UV index
The months with the lowest UV index in Herøyholmen are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during April translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Herøyholmen, Norway
- Average high temperature in April: 4.4°C
The warmest month (with the highest average high temperature) is August (14.5°C).
The months with the lowest average high temperature are January and February (1.2°C).
- Average low temperature in April: 2.1°C
The month with the highest average low temperature is August (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-1.5°C).
Average pressure in April
Herøyholmen, Norway
- Average pressure in April: 1011.9mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1001.9mbar).
Average wind speed in April
Herøyholmen, Norway
- Average wind speed in April: 20km/h
The windiest month (with the highest average wind speed) is January (27.7km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).
Average humidity in April
Herøyholmen, Norway
- Average humidity in April: 79%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Herøyholmen, Norway
- Average rainfall in April: 52mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days in April
Herøyholmen, Norway
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is September (18.5 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in April
Herøyholmen, Norway
- Average snowfall in April: 56mm
The month with the highest snowfall is March (106mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Herøyholmen, Norway
- Average snowfall days in April: 6.5 days
The month with the highest number of snowfall days is March (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Herøyholmen, Norway
- Average daylight in April: 15h and 24min
The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 12min).
- Average sunshine in April: 6h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in April
Herøyholmen, Norway
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is January (13.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in April
Herøyholmen, Norway
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in April
Herøyholmen, Norway
- Average cloud cover in April: 61
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 51).
Average visibility in April
Herøyholmen, Norway
- Average visibility in April: 9km
The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, July, November and December (9km).
