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
Weather in April
Temperature
The onset of April brings a minor temperature shift, with the average high-temperature moving from 1°C (33.8°F) in March to a still wintry 5.6°C (42.1°F). Köyliö's average temperature throughout the nights in April exhibits a minor decrease from daytime highs, stabilizing at a still wintry 1.5°C (34.7°F).Humidity
The average relative humidity in April is 79%.Rainfall
April is the month with the least rainfall in Köyliö, Finland. Rain falls for 9.8 days and accumulates 21mm (0.83") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, in Köyliö, it is snowing for 3.4 days. Throughout April, 16mm (0.63") of snow is accumulated. In Köyliö, during the entire year, snow falls for 58.1 days and aggregates up to 382mm (15.04") of snow.Daylight
In Köyliö, the average length of the day in April is 14h and 44min.On the first day of the month, sunrise is at 06:52 and sunset at 20:16. On the last day of April, sunrise is at 05:23 and sunset at 21:32 EEST.
Sunshine
The average sunshine in April in Köyliö is 7.7h.UV index
In Köyliö, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during April translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Köyliö in April?
What is the average humidity in April in Köyliö?
What is the driest month in Köyliö?
How much does it rain in Köyliö in April?
How many days does it snow in April in Köyliö?
What is the average length of the day in April in Köyliö?
What time are sunrise and sunset in April in Köyliö?
How long on average sun shines in April in Köyliö?
What is the UV index intensity in April in Köyliö?
Average temperature in April
Köyliö, Finland
- Average high temperature in April: 5.6°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The months with the lowest average high temperature are January and February (-1.5°C).
- Average low temperature in April: 1.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in April
Köyliö, Finland
- Average pressure in April: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in April
Köyliö, Finland
- Average wind speed in April: 15.4km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in April
Köyliö, Finland
- Average humidity in April: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in April
Köyliö, Finland
- Average rainfall in April: 21mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in April
Köyliö, Finland
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in April
Köyliö, Finland
- Average snowfall in April: 16mm
The month with the highest snowfall is March (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Köyliö, Finland
- Average snowfall days in April: 3.4 days
The month with the highest number of snowfall days is March (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Köyliö, Finland
- Average daylight in April: 14h and 4min
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 42min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 6min).
Average sunshine days in April
Köyliö, Finland
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is June (16.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in April
Köyliö, Finland
- Average UV index in April: 2
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
Köyliö, Finland
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in April
Köyliö, 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 January, February and March (8km).
Köyliö, Finland
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