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
December
Weather in December
Temperature
With the onset of December, Orimattila's average high-temperature slightly adjusts, moderately receding from November's wintry 2.3°C (36.1°F) to a subzero cold -1.4°C (29.5°F). A modest nighttime temperature average of -5.1°C (22.8°F) characterizes December.Humidity
In Orimattila, the average relative humidity in December is 94%.Rainfall
In December, the rain falls for 8.2 days. Throughout December, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 118.1 rainfall days, and 394mm (15.51") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Orimattila, in December, snow falls for 18.9 days, with typically accumulated 189mm (7.44") of snow. In Orimattila, during the entire year, snow falls for 93.7 days and aggregates up to 918mm (36.14") of snow.Daylight
December has the shortest days of the year, with an average of 5h and 48min of daylight.On the first day of December, sunrise is at 08:59 and sunset at 15:12. On the last day of the month, sunrise is at 09:27 and sunset at 15:13 EET.
Sunshine
January and December, with an average of 1.5h of sunshine, are months with the least sunshine in Orimattila.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Orimattila in December?
What is the average humidity in December in Orimattila?
How many days does it rain in December in Orimattila?
How many days does it snow in December in Orimattila?
What is the month with the shortest days in Orimattila?
What is the average length of the day in December in Orimattila?
When is the sunrise / sunset in December in Orimattila?
What are the months with the least sunshine in Orimattila?
How many hours of sunshine does Orimattila have in December?
What is the month with the lowest UV index in Orimattila?
How high is the UV index in December in Orimattila?
Average temperature in December
Orimattila, Finland
- Average high temperature in December: -1.4°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 December: -5.1°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 December
Orimattila, Finland
- Average pressure in December: 1008.4mbar
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 December
Orimattila, Finland
- Average wind speed in December: 12km/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 December
Orimattila, Finland
- Average humidity in December: 94%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Orimattila, Finland
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Orimattila, Finland
- Average rainfall days in December: 8.2 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 December
Orimattila, Finland
- Average snowfall in December: 189mm
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 December
Orimattila, Finland
- Average snowfall days in December: 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 December /
Average sunshine in December
Orimattila, Finland
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in December: 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 December
Orimattila, Finland
- Average sunshine days in December: 8.4 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 December
Orimattila, Finland
- Average UV index in December: 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 December
Orimattila, Finland
- Average cloud cover in December: 80
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 December
Orimattila, Finland
- Average visibility in December: 6km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
