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
January, with average temperatures reaching a high of -3.3°C (26.1°F) and a low of -7.3°C (18.9°F), is the coldest month.Humidity
In January, the average relative humidity in Roostoja is 93%.Rainfall
In Roostoja, Estonia, in January, it is raining for 7.8 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, in Roostoja, there are 155.2 rainfall days, and 467mm (18.39") of precipitation is accumulated.Snowfall
Months with snowfall in Roostoja are January through May, October through December. In Roostoja, in January, during 20.4 snowfall days, 171mm (6.73") of snow is typically accumulated. Throughout the year, there are 94.3 snowfall days, and 818mm (32.2") of snow is accumulated.Daylight
In Roostoja, the average length of the day in January is 7h and 6min.On the first day of the month, sunrise is at 09:05 and sunset at 15:24. On the last day of January, sunrise is at 08:23 and sunset at 16:26 EET.
Sunshine
In January, the average sunshine in Roostoja is 2h.UV index
The months with the lowest UV index in Roostoja are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 1 in January, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Roostoja?
How cold is January in Roostoja?
What is the average humidity in January in Roostoja?
How many days does it rain in January in Roostoja?
How much does it snow in Roostoja in January?
What is the average length of the day in January in Roostoja?
What time are sunrise and sunset in January in Roostoja?
How long on average sun shines in January in Roostoja?
When is the lowest UV index in Roostoja?
What is the UV index intensity in January in Roostoja?
Average temperature in January
Roostoja, Estonia
- Average high temperature in January: -3.3°C
The warmest month (with the highest average high temperature) is July (22.8°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in January: -7.3°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in January
Roostoja, Estonia
- Average pressure in January: 1013.1mbar
The months with the highest atmospheric pressure are May and October (1015.2mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in January
Roostoja, Estonia
- Average wind speed in January: 12.9km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is May (10.8km/h).
Average humidity in January
Roostoja, 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 (70%).
Average rainfall in January
Roostoja, Estonia
- Average rainfall in January: 34mm
The wettest month (with the highest rainfall) is August (51mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in January
Roostoja, Estonia
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in January
Roostoja, Estonia
- Average snowfall in January: 171mm
The month with the highest snowfall is February (197mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Roostoja, Estonia
- Average snowfall days in January: 20.4 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Roostoja, Estonia
- Average daylight in January: 7h and 1min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in January: 2h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in January
Roostoja, Estonia
- Average sunshine days in January: 7.5 days
The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (5.1 days).
Average UV index in January
Roostoja, 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
Roostoja, Estonia
- Average cloud cover in January: 79
The month with the most cloud cover is December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in January
Roostoja, Estonia
- Average visibility in January: 6km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January and February (6km).
