April weather forecastKastu, Finland
April weather for Kastu, Finland: The month with the least rainfall in Kastu is April, when the rain falls for 9.9 days and typically collects 19mm (0.75") of precipitation. April in Kastu, Finland, is a frosty spring month, with an average temperature fluctuating between 6.8°C (44.2°F) and 1.4°C (34.5°F).
April
Weather in April
April in Kastu, Finland, is a frosty spring month, with an average temperature fluctuating between 6.8°C (44.2°F) and 1.4°C (34.5°F).Temperature
April's arrival signals an increase in average high-temperatures, moving from March's wintry 1.3°C (34.3°F) to a frosty 6.8°C (44.2°F). Kastu sees an average low-temperature of 1.4°C (34.5°F) during April.Humidity
The average relative humidity in April in Kastu is 77%.Rainfall
The month with the least rainfall in Kastu is April, when the rain falls for 9.9 days and typically collects 19mm (0.75") of precipitation.Snowfall
Months with snowfall in Kastu are January through May, October through December. In Kastu, in April, during 3.1 snowfall days, 23mm (0.91") of snow is typically accumulated. In Kastu, during the entire year, snow falls for 60.5 days and aggregates up to 454mm (17.87") of snow.Daylight
In April, the average length of the day in Kastu is 14h and 40min.On the first day of April, sunrise is at 06:53 and sunset at 20:15. On the last day of the month, sunrise is at 05:27 and sunset at 21:29 EEST.
Sunshine
In April, the average sunshine in Kastu, Finland, is 7.6h.UV index
In Kastu, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Kastu, Finland
- Average high temperature in April: 6.8°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in April: 1.4°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in April
Kastu, 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 (1007.6mbar).
Average wind speed in April
Kastu, Finland
- Average wind speed in April: 15.5km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in April
Kastu, Finland
- Average humidity in April: 77%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in April
Kastu, Finland
- Average rainfall in April: 19mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in April
Kastu, Finland
- Average rainfall days in April: 9.9 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in April
Kastu, Finland
- Average snowfall in April: 23mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Kastu, Finland
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Kastu, 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: 7h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in April
Kastu, Finland
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in April
Kastu, Finland
- Average UV index in April: 3
The months with the highest UV index are June, July and August (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
Kastu, Finland
- Average cloud cover in April: 50
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in April
Kastu, Finland
- Average visibility in April: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
