April weather forecastHarstad, Norway
April
Weather in April
April ushers in a distinct shift in Harstad's weather with increasing daylight hours. Snow is slowly replaced by rain, indicating the onset of the rainy season. This transition is marked by a decrease in snowfall to 250mm (9.84"), allowing the city’s wide range of wild spring flowers to flourish in the increased sunlight. The transition from winter to spring brings milder temperatures and clearer skies. In May, a continuation of rainfall is expected, paving the way for a vibrant, verdant springtime in Harstad.Temperature
With the onset of April, the average high-temperature stands at a wintry 2.4°C (36.3°F), closely aligned with March's -0.2°C (31.6°F). Throughout April in Harstad, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of -1.1°C (30°F).Humidity
The most humid month is April, with an average relative humidity of 83%.Rainfall
In Harstad, Norway, during April, the rain falls for 12.5 days and regularly aggregates up to 70mm (2.76") of precipitation. In Harstad, during the entire year, the rain falls for 154.2 days and collects up to 862mm (33.94") of precipitation.Snowfall
January through June, September through December are months with snowfall. In Harstad, during April, snow falls for 14 days and regularly aggregates up to 250mm (9.84") of snow. Throughout the year, in Harstad, there are 94.6 snowfall days, and 1922mm (75.67") of snow is accumulated.Sea temperature
In April, the average sea temperature is 4.4°C (39.9°F).Note: In swimming undertakings, this is deemed life-threatening and highly risky. The cold water induces intense discomfort and leads to swift hyperventilation. A specialized swimsuit is indispensable to decrease thermal injuries.
Daylight
The average length of the day in April is 16h and 1min.On the first day of April, sunrise is at 05:57 and sunset at 19:57. On the last day of the month, sunrise is at 03:42 and sunset at 21:59 CEST.
Sunshine
The average sunshine in April is 6.3h.UV index
The average daily maximum UV index in April in Harstad is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during April leads to these advisories:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Harstad, Norway
- Average high temperature in April: 2.4°C
The warmest month (with the highest average high temperature) is July (14.1°C).
The month with the lowest average high temperature is February (-1.2°C).
- Average low temperature in April: -1.1°C
The months with the highest average low temperature are July and August (9.9°C).
The coldest month (with the lowest average low temperature) is February (-4.5°C).
Average pressure in April
Harstad, Norway
- Average pressure in April: 1010.6mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1000.9mbar).
Average wind speed in April
Harstad, Norway
- Average wind speed in April: 15.1km/h
The windiest month (with the highest average wind speed) is March (19.3km/h).
The calmest month (with the lowest average wind speed) is July (11.1km/h).
Average humidity in April
Harstad, Norway
- Average humidity in April: 83%
The month with the highest relative humidity is April (83%).
The months with the lowest relative humidity are October, November and December (77%).
Average rainfall in April
Harstad, Norway
- Average rainfall in April: 70mm
The wettest month (with the highest rainfall) is March (95mm).
The driest months (with the least rainfall) are May and July (53mm).
Average rainfall days in April
Harstad, Norway
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is September (17.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in April
Harstad, Norway
- Average snowfall in April: 250mm
The month with the highest snowfall is March (417mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in April
Harstad, Norway
- Average snowfall days in April: 14 days
The month with the highest number of snowfall days is March (19.2 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in April
Harstad, Norway
- Average sea temperature in April: 4.4°C
The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).
Average daylight in April /
Average sunshine in April
Harstad, Norway
- Average daylight in April: 16h and 0min
The month with the longest days is August (Average daylight: 17h and 42min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in April: 6h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in April
Harstad, Norway
- Average sunshine days in April: 8.5 days
The month with the most sunshine days is January (13.6 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in April
Harstad, Norway
- Average UV index in April: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March and November (UV index 1).
Average cloud cover in April
Harstad, Norway
- Average cloud cover in April: 62
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 52).
Average visibility in April
Harstad, Norway
- Average visibility in April: 8km
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March and April (8km).
