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
January, characterized by an average high temperature of -4.5°C (23.9°F) and a low temperature of -8.9°C (16°F), is generally the coldest month.Humidity
In Lahti, the average relative humidity in January is 94%.Rainfall
In Lahti, during January, the rain falls for 4.1 days and regularly aggregates up to 31mm (1.22") of precipitation. In Lahti, during the entire year, the rain falls for 118.7 days and collects up to 398mm (15.67") of precipitation.Snowfall
Months with snowfall in Lahti are January through May, September through December. The month with the most snowfall is January, when snow falls for 18.9 days and typically aggregates up to 196mm (7.72") of snow.Daylight
In January, the average length of the day is 6h and 37min.On the first day of January in Lahti, Finland, sunrise is at 09:29 and sunset at 15:12. On the last day of the month, sunrise is at 08:40 and sunset at 16:21 EET.
Sunshine
In January, the average sunshine in Lahti is 1.5h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lahti. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the coldest month in Lahti?
How cold is it in Lahti in January?
What is the average humidity in January in Lahti?
How many days does it rain in January in Lahti?
What is the snowiest month in Lahti?
How many days does it snow in January in Lahti?
How many hours of daylight does Lahti have in January?
What time are sunrise and sunset in January in Lahti?
How long on average sun shines in January in Lahti?
What is the month with the lowest UV index in Lahti?
How high is the UV index in January in Lahti?
Average temperature in January
Lahti, 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
Lahti, 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
Lahti, 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
Lahti, 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
Lahti, 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
Lahti, 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
Lahti, 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
Lahti, 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
Lahti, Finland
- Average daylight in January: 6h and 4min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in January: 1h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in January
Lahti, 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
Lahti, 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
Lahti, 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
Lahti, 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).
Lahti, Finland
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