Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
The onset of January manifests an average high-temperature of a freezing cold -0.2°C (31.6°F), demonstrating a minor variation from the preceding month. In Viiri, the January nights are characterized by an average low-temperature of -2.7°C (27.1°F), a minor dip from daytime readings.Humidity
The average relative humidity in January in Viiri is 87%.Rainfall
In Viiri, during January, the rain falls for 9.1 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, in Viiri, there are 149.1 rainfall days, and 430mm (16.93") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Viiri, Estonia. January is the month with the most snowfall. Snow falls for 17.9 days and accumulates 145mm (5.71") of snow.Daylight
In January, the average length of the day is 7h and 10min.On the first day of January, sunrise is at 09:20 and sunset at 15:45. On the last day of the month, sunrise is at 08:39 and sunset at 16:46 EET.
Sunshine
The average sunshine in January in Viiri is 2.2h.UV index
January, March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 1 in January, converts into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Viiri?
What is the average humidity in January in Viiri?
How much does it rain in Viiri in January?
When does it snow the most in Viiri?
How much does it snow in Viiri in January?
How many hours of daylight does Viiri have in January?
When is the sunrise / sunset in January in Viiri?
How many hours of sunshine does Viiri have in January?
What is the month with the lowest UV index in Viiri?
How high is the UV index in January in Viiri?
Average temperature in January
Viiri, Estonia
- Average high temperature in January: -0.2°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 January: -2.7°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 January
Viiri, Estonia
- Average pressure in January: 1011.9mbar
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 January
Viiri, Estonia
- Average wind speed in January: 21.1km/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 January
Viiri, Estonia
- Average humidity in January: 87%
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 January
Viiri, Estonia
- Average rainfall in January: 41mm
The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in January
Viiri, Estonia
- Average rainfall days in January: 9.1 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 January
Viiri, Estonia
- Average snowfall in January: 145mm
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 January
Viiri, Estonia
- Average snowfall days in January: 17.9 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 January /
Average sunshine in January
Viiri, Estonia
- Average daylight in January: 7h and 1min
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 January: 2h and 1min
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 January
Viiri, Estonia
- Average sunshine days in January: 7.1 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 January
Viiri, Estonia
- Average UV index in January: 1
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 January
Viiri, Estonia
- Average cloud cover in January: 73
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 January
Viiri, Estonia
- Average visibility in January: 8km
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).
