January weather forecast
Joensuu, Finland

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Weather in January

January presents the most challenging weather extremes in Joensuu, Finland. Even though the short daylight hours, averaging 6.1h a day, can be daunting, a serene beauty often underlies the frosty conditions. This month sees some of the lowest temperatures of the year, with extremes ranging from -6.4°C (20.5°F) to -10.4°C (13.3°F). Snow is a given, hardening the landscape while also providing a splendid scene of winter wonder. Gusts of cold wind persist throughout the month, adding further to the chilly climate.

Temperature

Joensuu notes the coldest temperatures in January, with a high average of -6.4°C (20.5°F) and a low of -10.4°C (13.3°F).

Humidity

In January, the average relative humidity is 95%.

Rainfall

In Joensuu, in January, it is raining for 2.3 days, with typically 27mm (1.06") of accumulated precipitation. In Joensuu, during the entire year, the rain falls for 127.5 days and collects up to 461mm (18.15") of precipitation.

Snowfall

Months with snowfall in Joensuu are January through June, September through December. In Joensuu, during January, snow falls for 22.2 days and regularly aggregates up to 181mm (7.13") of snow. Throughout the year, there are 120.8 snowfall days, and 1101mm (43.35") of snow is accumulated.

Daylight

In January, the average length of the day in Joensuu is 6h and 8min.
On the first day of the month, sunrise is at 09:30 and sunset at 14:37. On the last day of January, sunrise is at 08:34 and sunset at 15:54 EET.

Sunshine

The average sunshine in January in Joensuu is 1.3h.

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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 1 during January translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

What time of the year is the coldest in Joensuu?

Joensuu's temperature records reveal January as the coldest month, marked by average highs of -6.4°C (20.5°F) and lows of -10.4°C (13.3°F).

How cold is January in Joensuu?

Joensuu in January has an average high-temperature of -6.4°C (20.5°F) and an average low-temperature of -10.4°C (13.3°F).

What is the average humidity in January in Joensuu?

The average relative humidity in January in Joensuu is 95%.

How many days does it rain in January in Joensuu?

In Joensuu, Finland, in January, during 2.3 rainfall days, 27mm (1.06") of precipitation is typically accumulated.

How many days does it snow in January in Joensuu?

In Joensuu, Finland, in January, snow falls for 22.2 days, with typically accumulated 181mm (7.13") of snow.

How many hours of daylight does Joensuu have in January?

In January, the average day length in Joensuu, Finland, is 6h and 8min.

When is the sunrise / sunset in January in Joensuu?

In January, on the first day of the month, sunrise is at 09:30 and sunset at 14:37. On the last day of the month, sunrise is at 08:34 and sunset at 15:54 EET.

How long on average sun shines in January in Joensuu?

The average sunshine duration in January in Joensuu, Finland, is 1.3h.

When is the lowest UV index in Joensuu?

The months with the lowest UV index in Joensuu are January through March, November and December, with an average maximum UV index of 1.

How high is the UV index in January in Joensuu?

In Joensuu, Finland, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Joensuu, Finland

Average temperature in January - Joensuu, Finland
  • Average high temperature in January: -6.4°C

The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-6.4°C).

  • Average low temperature in January: -10.4°C

The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is January (-10.4°C).

Average pressure in January
Joensuu, Finland

Average pressure in January - Joensuu, Finland
  • Average pressure in January: 1011.9mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).

Average wind speed in January
Joensuu, Finland

Average wind speed in January - Joensuu, Finland
  • Average wind speed in January: 12.3km/h

The windiest months (with the highest average wind speed) are November and December (13.8km/h).
The calmest month (with the lowest average wind speed) is July (10.2km/h).

Average humidity in January
Joensuu, Finland

Average humidity in January - Joensuu, Finland
  • Average humidity in January: 95%

The month with the highest relative humidity is February (96%).
The months with the lowest relative humidity are May and June (68%).

Average rainfall in January
Joensuu, Finland

Average rainfall in January - Joensuu, Finland
  • Average rainfall in January: 27mm

The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in January
Joensuu, Finland

Average rainfall days in January - Joensuu, Finland
  • Average rainfall days in January: 2.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (2 days).

Average snowfall in January
Joensuu, Finland

Average snowfall in January - Joensuu, Finland
  • Average snowfall in January: 181mm

The months with the highest snowfall are March and December (202mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in January
Joensuu, Finland

Average snowfall days in January - Joensuu, Finland
  • Average snowfall days in January: 22.2 days

The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in January /
Average sunshine in January
Joensuu, Finland

Average daylight in January / Average sunshine in January - Joensuu, Finland
  • Average daylight in January: 6h and 1min

The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).

  • Average sunshine in January: 1h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).

Average sunshine days in January
Joensuu, Finland

Average sunshine days in January - Joensuu, Finland
  • Average sunshine days in January: 9.6 days

The month with the most sunshine days is May (15 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in January
Joensuu, Finland

Average UV index in January - Joensuu, Finland
  • Average UV index in January: 1

The month with the highest UV index is 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
Joensuu, Finland

Average cloud cover in January - Joensuu, Finland
  • Average cloud cover in January: 83

The month with the most cloud cover is February (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 42).

Average visibility in January
Joensuu, Finland

Average visibility in January - Joensuu, Finland
  • Average visibility in January: 5km

The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).

Joensuu, Finland

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