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
December is characterized by a slight reduction in average high-temperature, easing from an icy 2.5°C (36.5°F) in November to a freezing cold -1.3°C (29.7°F). Luumäki in December experiences a minor decline in temperature, with an average low of -4.8°C (23.4°F) at night.Humidity
The average relative humidity in December is 92%.Rainfall
In Luumäki, in December, during 9.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Luumäki, during the entire year, the rain falls for 150.8 days and collects up to 525mm (20.67") of precipitation.Snowfall
Months with snowfall in Luumäki are January through May, October through December. In Luumäki, in December, snow falls for 21.8 days, with typically accumulated 235mm (9.25") of snow. In Luumäki, Finland, during the entire year, snow falls for 116.2 days and aggregates up to 1228mm (48.35") of snow.Daylight
December has the shortest days of the year in Luumäki, Finland, with an average of 5h and 42min of daylight.On the first day of December in Luumäki, sunrise is at 08:53 and sunset at 15:04. On the last day of the month, sunrise is at 09:20 and sunset at 15:04 EET.
Sunshine
The month with the least sunshine in Luumäki is December, with an average of 0.9h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is it in Luumäki in December?
What is the average humidity in December in Luumäki?
How much does it rain in Luumäki in December?
How much does it snow in Luumäki in December?
What is the month with the shortest days in Luumäki?
How many hours of daylight does Luumäki have in December?
When are sunrise and sunset in December in Luumäki?
What is the month with the least sunshine in Luumäki?
How long on average sun shines in December in Luumäki?
When is the lowest UV index in Luumäki?
How high is the UV index in December in Luumäki?
Average temperature in December
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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
Luumäki, 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).
Luumäki, Finland
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