April weather forecastHorten, Norway
April
Weather in April
April recognizes the full arrival of Spring in Horten. It brings forth the season's essence with an average high temperature peaking at 8.9°C (48°F). The upturn in temperature is unavoidable as it brings comfort, encouraging outdoor pursuits. The pleasing weather also invites the early bloomers, enriching the city's greenery.Temperature
As March transitions into April in Horten, a change in temperatures is observed, with average highs moving from a wintry 3.3°C (37.9°F) to a frosty 8.9°C (48°F). Horten's average temperature during the nights of April is recorded at an icy 4°C (39.2°F).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 72%.Rainfall
The month with the least rainfall is April, when the rain falls for 9.8 days and typically collects 26mm (1.02") of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.6 snowfall days, in April, Horten aggregates 10mm (0.39") of snow. Throughout the year, in Horten, Norway, there are 41.4 snowfall days, and 465mm (18.31") of snow is accumulated.Sea temperature
In Horten, the average seawater temperature in April is 6.4°C (43.5°F).Note: While a brief time in 6.4°C (43.5°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
In April, the average length of the day is 14h and 34min.On the first day of April in Horten, sunrise is at 06:42 and sunset at 20:01. On the last day of the month, sunrise is at 05:19 and sunset at 21:10 CEST.
Sunshine
The average sunshine in April in Horten is 9.1h.UV index
In Horten, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Horten, Norway
- Average high temperature in April: 8.9°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is February (0.1°C).
- Average low temperature in April: 4°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in April
Horten, Norway
- Average pressure in April: 1014.4mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in April
Horten, Norway
- Average wind speed in April: 15km/h
The windiest months (with the highest average wind speed) are November and December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.6km/h).
Average humidity in April
Horten, Norway
- Average humidity in April: 72%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in April
Horten, Norway
- Average rainfall in April: 26mm
The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in April
Horten, Norway
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in April
Horten, Norway
- Average snowfall in April: 10mm
The month with the highest snowfall is January (131mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in April
Horten, Norway
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Horten, Norway
- Average sea temperature in April: 6.4°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight in April /
Average sunshine in April
Horten, Norway
- Average daylight in April: 14h and 36min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in April: 9h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in April
Horten, Norway
- Average sunshine days in April: 18.3 days
The month with the most sunshine days is April (18.3 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in April
Horten, Norway
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Horten, Norway
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are June, July and August (Cloud cover 36).
Average visibility in April
Horten, Norway
- Average visibility in April: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is February (8km).
