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
Weather in January
Temperature
With an average high-temperature of -4.5°C (23.9°F) and an average low-temperature of -8.9°C (16°F), January is the coldest month.Humidity
In Heinola, the average relative humidity in January is 94%.Rainfall
In Heinola, during January, the rain falls for 4.1 days and regularly aggregates up to 31mm (1.22") of precipitation. In Heinola, Finland, during the entire year, the rain falls for 118.1 days and collects up to 394mm (15.51") of precipitation.Snowfall
Months with snowfall are January through May, September through December. January is the month with the most snowfall. Snow falls for 18.9 days and accumulates 196mm (7.72") of snow.Daylight
The average length of the day in January in Heinola is 6h and 33min.On the first day of the month, sunrise is at 09:29 and sunset at 15:08. On the last day of January, sunrise is at 08:39 and sunset at 16:18 EET.
Sunshine
The months with the least sunshine are January and December, with an average of 1.5h of sunshine.UV index
The months with the lowest UV index in Heinola 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 rays for average individuals.Note: The daily maximum UV index of 1 in January interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What month is the coldest in Heinola?
How cold is it in Heinola in January?
What is the average humidity in January in Heinola?
How many days does it rain in January in Heinola?
When does it snow the most in Heinola?
How many days does it snow in January in Heinola?
How many hours of daylight does Heinola have in January?
When is the sunrise / sunset in January in Heinola?
What is the month with the least sunshine in Heinola?
How many hours of sunshine does Heinola have in January?
What are the months with the lowest UV index in Heinola?
How high is the UV index in January in Heinola?
Average temperature in January
Heinola, Finland
- Average high temperature in January: -4.5°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in January: -8.9°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in January
Heinola, Finland
- Average pressure in January: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in January
Heinola, Finland
- Average wind speed in January: 11.3km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in January
Heinola, Finland
- Average humidity in January: 94%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in January
Heinola, Finland
- Average rainfall in January: 31mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in January
Heinola, Finland
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in January
Heinola, Finland
- Average snowfall in January: 196mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in January
Heinola, Finland
- Average snowfall days in January: 18.9 days
The months with the highest number of snowfall days are January and December (18.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Heinola, Finland
- Average daylight in January: 6h and 3min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in January: 1h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 1h and 30min).
Average sunshine days in January
Heinola, Finland
- Average sunshine days in January: 11.3 days
The months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in January
Heinola, 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
Heinola, Finland
- Average cloud cover in January: 81
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in January
Heinola, 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).
Heinola, Finland
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