April weather forecastPertteli, Finland
April
Weather in April
April is a frosty spring month in Pertteli, Finland, with an average temperature fluctuating between 7.7°C (45.9°F) and 0.5°C (32.9°F).Temperature
The start of April brings a shift in the average high-temperature, increasing from March's cold 0.8°C (33.4°F) to a chilly 7.7°C (45.9°F). Pertteli registers a consistent average low-temperature of 0.5°C (32.9°F) during April.Humidity
In Pertteli, Finland, the average relative humidity in April is 78%.Rainfall
The month with the least rainfall is April, when the rain falls for 10.1 days and typically collects 14mm (0.55") of precipitation.Snowfall
January through May, October through December are months with snowfall in Pertteli, Finland. In Pertteli, in April, snow falls for 4.4 days, with typically accumulated 35mm (1.38") of snow. Throughout the year, in Pertteli, Finland, there are 71 snowfall days, and 408mm (16.06") of snow is accumulated.Daylight
In Pertteli, the average length of the day in April is 14h and 40min.On the first day of the month, sunrise is at 06:49 and sunset at 20:12. On the last day of April, sunrise is at 05:23 and sunset at 21:25 EEST.
Sunshine
The average sunshine in April in Pertteli is 6.8h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Pertteli, Finland
- Average high temperature in April: 7.7°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-3.2°C).
- Average low temperature in April: 0.5°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in April
Pertteli, Finland
- Average pressure in April: 1013.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in April
Pertteli, Finland
- Average wind speed in April: 12.6km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in April
Pertteli, Finland
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in April
Pertteli, Finland
- Average rainfall in April: 14mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in April
Pertteli, Finland
- Average rainfall days in April: 10.1 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in April
Pertteli, Finland
- Average snowfall in April: 35mm
The month with the highest snowfall is December (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Pertteli, Finland
- Average snowfall days in April: 4.4 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Pertteli, Finland
- Average daylight in April: 14h and 42min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in April: 6h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in April
Pertteli, Finland
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is December (10.4 days).
Average UV index in April
Pertteli, 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, November and December (UV index 1).
Average cloud cover in April
Pertteli, Finland
- Average cloud cover in April: 55
The months with the most cloud cover are February and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Pertteli, Finland
- Average visibility in April: 8km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (7km).








