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
The onset of December brings a small shift in high-temperatures, falling from 4.3°C (39.7°F) in November to a still wintry 1°C (33.8°F). Närpes maintains a consistent average nighttime low-temperature of -1.4°C (29.5°F) throughout December.Humidity
In Närpes, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 7.8 days. Throughout December, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 112.6 rainfall days, and 261mm (10.28") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Närpes, during December, snow falls for 9.7 days and regularly aggregates up to 37mm (1.46") of snow. Throughout the year, there are 53.7 snowfall days, and 234mm (9.21") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 5h and 12min of daylight.On the first day of the month, sunrise is at 09:33 and sunset at 15:13. On the last day of December, sunrise is at 10:03 and sunset at 15:12 EET.
Sunshine
The month with the least sunshine is December, with an average of 1.7h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Närpes, Finland
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is August (16.8°C).
The month with the lowest average high temperature is February (-2.6°C).
- Average low temperature in December: -1.4°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in December
Närpes, Finland
- Average pressure in December: 1005.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in December
Närpes, Finland
- Average wind speed in December: 26.3km/h
The windiest month (with the highest average wind speed) is December (26.3km/h).
The calmest month (with the lowest average wind speed) is July (17.7km/h).
Average humidity in December
Närpes, Finland
- Average humidity in December: 85%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Närpes, Finland
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Närpes, Finland
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Närpes, Finland
- Average snowfall in December: 37mm
The months with the highest snowfall are January and March (53mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Närpes, Finland
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Närpes, Finland
- Average daylight in December: 5h and 1min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Närpes, Finland
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is May (18.5 days).
The month with the least sunshine days is December (12.6 days).
Average UV index in December
Närpes, 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 and December (UV index 1).
Average cloud cover in December
Närpes, Finland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Närpes, Finland
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
