Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition to December results in a modest reduction in average high-temperature, moving from a wintry 2.5°C (36.5°F) in November to a subzero cold -1.3°C (29.7°F). Nights in Lappeenranta during December maintain a steady temperature, averaging at -4.8°C (23.4°F).Humidity
In December, the average relative humidity in Lappeenranta is 92%.Rainfall
In Lappeenranta, in December, during 9.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Lappeenranta, Finland, during the entire year, the rain falls for 150.8 days and collects up to 525mm (20.67") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Lappeenranta, Finland, during December, snow falls for 21.8 days and regularly aggregates up to 235mm (9.25") of snow. Throughout the year, there are 116.2 snowfall days, and 1228mm (48.35") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 5h and 42min of daylight.On the first day of December in Lappeenranta, sunrise is at 08:52 and sunset at 15:00. On the last day of the month, sunrise is at 09:19 and sunset at 15:00 EET.
Sunshine
The month with the least sunshine in Lappeenranta is December, with an average of 0.9h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lappeenranta. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Boost your sun resistance with garments that are densely woven yet spacious. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Lappeenranta?
What is the average humidity in December in Lappeenranta?
How many days does it rain in December in Lappeenranta?
How many days does it snow in December in Lappeenranta?
What is the month with the shortest days in Lappeenranta?
How many hours of daylight does Lappeenranta have in December?
What time are sunrise and sunset in December in Lappeenranta?
What is the month with the least sunshine in Lappeenranta?
How many hours of sunshine does Lappeenranta have in December?
When is the lowest UV index in Lappeenranta?
How high is the UV index in December in Lappeenranta?
Average temperature in December
Lappeenranta, Finland
- Average high temperature in December: -1.3°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-4.7°C).
- Average low temperature in December: -4.8°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-8.6°C).
Average pressure in December
Lappeenranta, Finland
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in December
Lappeenranta, Finland
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in December
Lappeenranta, Finland
- Average humidity in December: 92%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in December
Lappeenranta, Finland
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in December
Lappeenranta, Finland
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Lappeenranta, Finland
- Average snowfall in December: 235mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lappeenranta, Finland
- Average snowfall days in December: 21.8 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lappeenranta, Finland
- Average daylight in December: 5h 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 December: 0h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in December
Lappeenranta, Finland
- Average sunshine days in December: 4.7 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (4.7 days).
Average UV index in December
Lappeenranta, Finland
- Average UV index in December: 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 December
Lappeenranta, Finland
- Average cloud cover in December: 82
The month with the most cloud cover is February (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in December
Lappeenranta, Finland
- Average visibility in December: 7km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
Lappeenranta, Finland
Weather forecast for your location
2. Allow the app to use your location
