January weather forecast
Sonni, Estonia

January

Weather in January

January, like December, is another subzero cold winter month in Sonni, Estonia, with an average temperature ranging between max -3°C (26.6°F) and min -7.5°C (18.5°F).

Temperature

Sonni experiences its lowest average temperatures in January, reaching a peak of -3°C (26.6°F) and a minimum of -7.5°C (18.5°F).

Humidity

The average relative humidity in January in Sonni, Estonia, is 93%.

Rainfall

In Sonni, during January, the rain falls for 6.8 days and regularly aggregates up to 38mm (1.5") of precipitation. In Sonni, Estonia, during the entire year, the rain falls for 168.2 days and collects up to 528mm (20.79") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Sonni, during January, snow falls for 20.5 days and regularly aggregates up to 182mm (7.17") of snow. In Sonni, during the entire year, snow falls for 93.5 days and aggregates up to 853mm (33.58") of snow.

Daylight

The average length of the day in January in Sonni is 7h and 8min.
On the first day of January in Sonni, Estonia, sunrise is at 09:12 and sunset at 15:33. On the last day of the month, sunrise is at 08:30 and sunset at 16:35 EET.

Sunshine

In January, the average sunshine in Sonni is 2h.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 1 during January leads to these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the coldest month in Sonni?
In Sonni, January records the average lowest temperatures, peaking at -3°C (26.6°F) and reaching a low of -7.5°C (18.5°F).
How cold is January in Sonni?
January temperatures in Sonni vary between a high-temperature of -3°C (26.6°F) and a low-temperature of -7.5°C (18.5°F).
What is the average humidity in January in Sonni?
In January, the average relative humidity is 93%.
How much does it rain in Sonni in January?
In Sonni, in January, during 6.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated.
How many days does it snow in January in Sonni?
In Sonni, in January, snow falls for 20.5 days, with typically accumulated 182mm (7.17") of snow.
What is the average length of the day in January in Sonni?
The average day length in January in Sonni, Estonia, is 7h and 8min.
When is the sunrise / sunset in January in Sonni?
In January, on the first day of the month, sunrise is at 09:12 and sunset at 15:33. On the last day of the month, in Sonni, Estonia, sunrise is at 08:30 and sunset at 16:35 EET.
How many hours of sunshine does Sonni have in January?
In January, the average sunshine duration is 2h.
When is the lowest UV index in Sonni?
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sonni, Estonia.
What is the UV index intensity in January in Sonni?
In January, the average daily maximum UV index in Sonni is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Sonni, Estonia
  • Average high temperature in January: -3°C

The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (-3°C).

  • Average low temperature in January: -7.5°C

The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-7.5°C).

Average pressure in January
Sonni, Estonia
  • Average pressure in January: 1012.7mbar

The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).

Average wind speed in January
Sonni, Estonia
  • Average wind speed in January: 12.3km/h

The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).

Average humidity in January
Sonni, Estonia
  • Average humidity in January: 93%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).

Average rainfall in January
Sonni, Estonia
  • Average rainfall in January: 38mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (29mm).

Average rainfall days in January
Sonni, Estonia
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in January
Sonni, Estonia
  • Average snowfall in January: 182mm

The month with the highest snowfall is February (215mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January
Sonni, Estonia
  • Average snowfall days in January: 20.5 days

The month with the highest number of snowfall days is January (20.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Sonni, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

Average sunshine days in January
Sonni, Estonia
  • Average sunshine days in January: 8 days

The month with the most sunshine days is May (13.7 days).
The month with the least sunshine days is December (5.3 days).

Average UV index in January
Sonni, Estonia
  • Average UV index in January: 1

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, November and December (UV index 1).

Average cloud cover in January
Sonni, Estonia
  • Average cloud cover in January: 78

The month with the most cloud cover is December (Cloud cover 81).
The month with the least cloud cover is May (Cloud cover 41).

Average visibility in January
Sonni, Estonia
  • Average visibility in January: 6km

The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).

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