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 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
The beginning of April signals a rise in the average high-temperature, moving from a cold 0.8°C (33.4°F) in March to a chilly 6.8°C (44.2°F). Throughout the month of April, Heikinlaakso expects an average low of 1.1°C (34°F).Humidity
In April, the average relative humidity is 79%.Rainfall
In Heikinlaakso, in April, it is raining for 8.1 days, with typically 17mm (0.67") of accumulated precipitation. Throughout the year, in Heikinlaakso, there are 120.2 rainfall days, and 354mm (13.94") of precipitation is accumulated.Snowfall
Months with snowfall in Heikinlaakso are January through May, October through December. In Heikinlaakso, in April, during 3.1 snowfall days, 35mm (1.38") of snow is typically accumulated. Throughout the year, in Heikinlaakso, there are 53.9 snowfall days, and 433mm (17.05") of snow is accumulated.Daylight
The average length of the day in April in Heikinlaakso, Finland, is 14h and 38min.On the first day of the month, sunrise is at 06:42 and sunset at 20:04. On the last day of April, in Heikinlaakso, sunrise is at 05:16 and sunset at 21:16 EEST.
Sunshine
In April, the average sunshine in Heikinlaakso is 7h.UV index
In April, the average daily maximum UV index in Heikinlaakso is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 in April translates into these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Heikinlaakso during April?
What is the average humidity in April in Heikinlaakso?
How many days does it rain in April in Heikinlaakso?
How much does it snow in Heikinlaakso in April?
How many hours of daylight does Heikinlaakso have in April?
When is the sunrise / sunset in April in Heikinlaakso?
How long on average sun shines in April in Heikinlaakso?
What is the UV index reading in April in Heikinlaakso?
Average temperature in April
Heikinlaakso, Finland
- Average high temperature in April: 6.8°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in April: 1.1°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in April
Heikinlaakso, Finland
- Average pressure in April: 1013.5mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in April
Heikinlaakso, Finland
- Average wind speed in April: 12.4km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in April
Heikinlaakso, Finland
- Average humidity in April: 79%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in April
Heikinlaakso, Finland
- Average rainfall in April: 17mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in April
Heikinlaakso, Finland
- Average rainfall days in April: 8.1 days
The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in April
Heikinlaakso, Finland
- Average snowfall in April: 35mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Heikinlaakso, Finland
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Heikinlaakso, 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: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in April
Heikinlaakso, Finland
- Average sunshine days in April: 18.5 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in April
Heikinlaakso, Finland
- 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, November and December (UV index 1).
Average cloud cover in April
Heikinlaakso, Finland
- Average cloud cover in April: 54
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in April
Heikinlaakso, Finland
- Average visibility in April: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
