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
April brings a temperature increase, with average high-temperatures moving from March's wintry 1.3°C (34.3°F) to a frosty 6.8°C (44.2°F). April brings an average low-temperature of 1.4°C (34.5°F) to Koristo.Humidity
The average relative humidity in April is 77%.Rainfall
The month with the least rainfall is April, when the rain falls for 9.9 days and typically collects 19mm (0.75") of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 3.1 days. Throughout April, 23mm (0.91") of snow is accumulated. Throughout the year, there are 60.5 snowfall days, and 454mm (17.87") of snow is accumulated.Daylight
In Koristo, the average length of the day in April 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 21:28 EEST.
Sunshine
In April, the average sunshine is 7.6h.UV index
In Koristo, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April?
What is the average humidity in April?
What is the driest month?
How much does it rain in Koristo in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Koristo have in April?
What is the UV index reading in April?
Average temperature in April
Koristo, 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
Koristo, 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
Koristo, 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
Koristo, 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
Koristo, 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
Koristo, 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
Koristo, 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
Koristo, 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
Koristo, Finland
- Average daylight in April: 14h and 4min
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 4min
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
Koristo, 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
Koristo, 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
Koristo, 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
Koristo, 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).
