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 arrival of April signals an increase in the average high-temperature, moving from a subzero cold -2.3°C (27.9°F) in March to an icy 2.7°C (36.9°F). During April, the nighttime temperature averages of -3.1°C (26.4°F).Humidity
In Jonku, Finland, the average relative humidity in April is 93%.Rainfall
April is the month with the least rainfall. Rain falls for 11 days and accumulates 29mm (1.14") of precipitation.Snowfall
Months with snowfall are January through June, September through December. In April, it is snowing for 15.4 days. Throughout April, 126mm (4.96") of snow is accumulated. In Jonku, Finland, during the entire year, snow falls for 133.6 days and aggregates up to 1512mm (59.53") of snow.Daylight
The average length of the day in April is 15h and 19min.On the first day of April, sunrise is at 06:24 and sunset at 20:05. On the last day of the month, sunrise is at 04:35 and sunset at 21:40 EEST.
Sunshine
The average sunshine in April is 4h.UV index
In April, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during April leads to these advisories:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in April?
What is the average humidity in April?
What is the driest month?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Jonku have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Jonku have in April?
What is the UV index intensity in April?
Average temperature in April
Jonku, Finland
- Average high temperature in April: 2.7°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 (-7.7°C).
- Average low temperature in April: -3.1°C
The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is January (-12.7°C).
Average pressure in April
Jonku, Finland
- Average pressure in April: 1011.5mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in April
Jonku, Finland
- Average wind speed in April: 10.1km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).
Average humidity in April
Jonku, Finland
- Average humidity in April: 93%
The months with the highest relative humidity are January, February and December (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in April
Jonku, Finland
- Average rainfall in April: 29mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in April
Jonku, Finland
- Average rainfall days in April: 11 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in April
Jonku, Finland
- Average snowfall in April: 126mm
The month with the highest snowfall is March (284mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in April
Jonku, Finland
- Average snowfall days in April: 15.4 days
The month with the highest number of snowfall days is December (23.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Jonku, Finland
- Average daylight in April: 15h and 2min
The month with the longest days is June (Average daylight: 22h and 0min).
The month with the shortest days is December (Average daylight: 3h and 42min).
- Average sunshine in April: 4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in April
Jonku, Finland
- Average sunshine days in April: 6.8 days
The month with the most sunshine days is October (12 days).
The month with the least sunshine days is April (6.8 days).
Average UV index in April
Jonku, Finland
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in April
Jonku, Finland
- Average cloud cover in April: 75
The months with the most cloud cover are January and December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in April
Jonku, Finland
- Average visibility in April: 5km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March, April and December (5km).
