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
April
Weather in April
Temperature
April's onset sees an average high-temperature of a still icy 3.9°C (39°F), exhibiting a slight fluctuation from the previous month. Houtskär's nighttime temperatures in April reveal a minimal variation from the daytime highs, averaging at a still cold 1.9°C (35.4°F).Humidity
The average relative humidity in April is 82%.Rainfall
April is the month with the least rainfall. Rain falls for 8.8 days and accumulates 12mm (0.47") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 2 days. Throughout April, 8mm (0.31") of snow is accumulated. Throughout the year, there are 38.5 snowfall days, and 160mm (6.3") of snow is accumulated.Sea temperature
In Houtskär, the average seawater temperature in April is 0.8°C (33.4°F).Note: During swimming, this scenario is excessively cold, hazardous, and can lead to fatality. Hypothermia ensues swiftly without suitable insulated waterproof wear.
Daylight
In Houtskär, the average length of the day in April is 14h and 38min.On the first day of the month, sunrise is at 06:57 and sunset at 20:19. On the last day of April, sunrise is at 05:31 and sunset at 21:31 EEST.
Sunshine
In April, the average sunshine is 8.6h.UV index
The average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during April translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. 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
Is it cold during April?
What is the average humidity in April?
What is the driest month?
How much does it rain in April?
How much does it snow in April?
What is the water temperature in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Houtskär, Finland
- Average high temperature in April: 3.9°C
The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in April: 1.9°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).
Average pressure in April
Houtskär, Finland
- Average pressure in April: 1014mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in April
Houtskär, Finland
- Average wind speed in April: 23.7km/h
The windiest month (with the highest average wind speed) is December (34.1km/h).
The calmest month (with the lowest average wind speed) is July (21.2km/h).
Average humidity in April
Houtskär, Finland
- Average humidity in April: 82%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August, September and October (78%).
Average rainfall in April
Houtskär, Finland
- Average rainfall in April: 12mm
The wettest month (with the highest rainfall) is September (38mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in April
Houtskär, Finland
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Houtskär, Finland
- Average snowfall in April: 8mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Houtskär, Finland
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Houtskär, Finland
- Average sea temperature in April: 0.8°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 (-0.2°C).
Average daylight in April /
Average sunshine in April
Houtskär, Finland
- Average daylight in April: 14h and 4min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in April
Houtskär, Finland
- Average sunshine days in April: 17.8 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is December (8.9 days).
Average UV index in April
Houtskär, Finland
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in April
Houtskär, Finland
- Average cloud cover in April: 43
The months with the most cloud cover are January and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in April
Houtskär, Finland
- Average visibility in April: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
