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
Observing a slight rise in April, the average high-temperature shifts from March's icy 1.8°C (35.2°F) to a frosty 6.4°C (43.5°F). In April, Viiri experiences a marginal drop in temperature, with averages of 2.3°C (36.1°F) at night.Humidity
In April, the average relative humidity in Viiri is 78%.Rainfall
The month with the least rainfall is April, when the rain falls for 10.7 days and typically collects 20mm (0.79") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Viiri, during April, snow falls for 3.7 days and regularly aggregates up to 26mm (1.02") of snow. In Viiri, during the entire year, snow falls for 70.6 days and aggregates up to 509mm (20.04") of snow.Daylight
The average length of the day in April is 14h and 29min.On the first day of the month, sunrise is at 06:55 and sunset at 20:12. On the last day of April, in Viiri, sunrise is at 05:34 and sunset at 21:19 EEST.
Sunshine
In April, the average sunshine is 8.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 during April translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is April cold in Viiri?
What is the average humidity in April in Viiri?
What is the driest month in Viiri?
How much does it rain in Viiri in April?
How many days does it snow in April in Viiri?
How many hours of daylight does Viiri have in April?
When are sunrise and sunset in April in Viiri?
How many hours of sunshine does Viiri have in April?
What is the UV index intensity in April in Viiri?
Average temperature in April
Viiri, Estonia
- Average high temperature in April: 6.4°C
The warmest months (with the highest average high temperature) are July and August (19.8°C).
The month with the lowest average high temperature is February (-0.4°C).
- Average low temperature in April: 2.3°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest month (with the lowest average low temperature) is February (-3.2°C).
Average pressure in April
Viiri, Estonia
- Average pressure in April: 1014.2mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in April
Viiri, Estonia
- Average wind speed in April: 17.3km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is May (15.6km/h).
Average humidity in April
Viiri, Estonia
- Average humidity in April: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May, June, July and August (75%).
Average rainfall in April
Viiri, Estonia
- Average rainfall in April: 20mm
The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in April
Viiri, Estonia
- Average rainfall days in April: 10.7 days
The month with the highest number of rainy days is November (17.8 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in April
Viiri, Estonia
- Average snowfall in April: 26mm
The month with the highest snowfall is January (145mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Viiri, Estonia
- Average snowfall days in April: 3.7 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Viiri, Estonia
- Average daylight in April: 14h and 3min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in April
Viiri, Estonia
- Average sunshine days in April: 15.4 days
The month with the most sunshine days is May (19.6 days).
The month with the least sunshine days is December (3.6 days).
Average UV index in April
Viiri, Estonia
- 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, March and December (UV index 1).
Average cloud cover in April
Viiri, Estonia
- Average cloud cover in April: 45
The month with the most cloud cover is December (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in April
Viiri, Estonia
- Average visibility in April: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February and December (8km).
