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 shift from March to April is marked by an increase in the average high-temperature, moving from an icy 0.9°C (33.6°F) to a chilly 6.3°C (43.3°F). Harjavalta's average low-temperature in the month of April is recorded at a cold 0.9°C (33.6°F).Humidity
In Harjavalta, Finland, the average relative humidity in April is 79%.Rainfall
March and April are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 31mm (1.22") of rain.Snowfall
January through May, October through December are months with snowfall. In April, in Harjavalta, it is snowing for 5.4 days. Throughout April, 51mm (2.01") of snow is accumulated. Throughout the year, in Harjavalta, there are 82.2 snowfall days, and 699mm (27.52") of snow is accumulated.Daylight
The average length of the day in April is 14h and 46min.On the first day of the month, sunrise is at 06:52 and sunset at 20:17. On the last day of April, in Harjavalta, Finland, sunrise is at 05:22 and sunset at 21:34 EEST.
Sunshine
In April, the average sunshine in Harjavalta is 7.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Harjavalta in April?
What is the average humidity in April in Harjavalta?
What is the driest month in Harjavalta?
How much does it rain in Harjavalta in April?
How much does it snow in Harjavalta in April?
What is the average length of the day in April in Harjavalta?
What time are sunrise and sunset in April in Harjavalta?
How long on average sun shines in April in Harjavalta?
What is the UV index reading in April in Harjavalta?
Average temperature in April
Harjavalta, Finland
- Average high temperature in April: 6.3°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in April: 0.9°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in April
Harjavalta, Finland
- Average pressure in April: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in April
Harjavalta, Finland
- Average wind speed in April: 13.3km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in April
Harjavalta, 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
Harjavalta, Finland
- Average rainfall in April: 31mm
The wettest month (with the highest rainfall) is July (63mm).
The driest months (with the least rainfall) are March and April (31mm).
Average rainfall days in April
Harjavalta, Finland
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Harjavalta, Finland
- Average snowfall in April: 51mm
The month with the highest snowfall is February (163mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Harjavalta, Finland
- Average snowfall days in April: 5.4 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Harjavalta, Finland
- Average daylight in April: 14h and 5min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in April
Harjavalta, Finland
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in April
Harjavalta, Finland
- Average UV index in April: 3
The months with the highest UV index are June and 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
Harjavalta, Finland
- Average cloud cover in April: 52
The months with the most cloud cover are January, February and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in April
Harjavalta, Finland
- Average visibility in April: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
