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
December reveals a small adjustment in temperature, transitioning from an average high of an icy 0.1°C (32.2°F) in November to a freezing cold -4.1°C (24.6°F). Vaala documents a consistent average low-temperature of -7.7°C (18.1°F) at night during December.Humidity
In December, the average relative humidity is 95%.Rainfall
In Vaala, in December, it is raining for 4.4 days, with typically 26mm (1.02") of accumulated precipitation. In Vaala, Finland, during the entire year, the rain falls for 123.8 days and collects up to 364mm (14.33") of precipitation.Snowfall
Months with snowfall are January through June, September through December. In December, it is snowing for 23.4 days. Throughout December, 157mm (6.18") of snow is accumulated. Throughout the year, there are 126.2 snowfall days, and 903mm (35.55") of snow is accumulated.Daylight
With an average of 4h and 12min of daylight, December has the shortest days of the year in Vaala.On the first day of the month, sunrise is at 09:37 and sunset at 14:26. On the last day of December, in Vaala, Finland, sunrise is at 10:11 and sunset at 14:20 EET.
Sunshine
December has the least sunshine of the year, with an average of 0.7h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Vaala, Finland. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Vaala?
What is the average humidity in December in Vaala?
How much does it rain in Vaala in December?
How much does it snow in Vaala in December?
What is the month with the shortest days in Vaala?
How many hours of daylight does Vaala have in December?
What time are sunrise and sunset in December in Vaala?
What is the month with the least sunshine in Vaala?
How many hours of sunshine does Vaala have in December?
What are the months with the lowest UV index in Vaala?
What is the UV index intensity in December in Vaala?
Average temperature in December
Vaala, Finland
- Average high temperature in December: -4.1°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (-7.3°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is January (-11.6°C).
Average pressure in December
Vaala, Finland
- Average pressure in December: 1006.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in December
Vaala, Finland
- Average wind speed in December: 13.1km/h
The windiest months (with the highest average wind speed) are November and December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in December
Vaala, Finland
- Average humidity in December: 95%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in December
Vaala, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (48mm).
The driest months (with the least rainfall) are February and April (21mm).
Average rainfall days in December
Vaala, Finland
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Vaala, Finland
- Average snowfall in December: 157mm
The month with the highest snowfall is March (160mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Vaala, Finland
- Average snowfall days in December: 23.4 days
The month with the highest number of snowfall days is December (23.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Vaala, Finland
- Average daylight in December: 4h and 1min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in December: 0h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in December
Vaala, Finland
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is April (7.6 days).
Average UV index in December
Vaala, 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, October, November and December (UV index 1).
Average cloud cover in December
Vaala, Finland
- Average cloud cover in December: 84
The months with the most cloud cover are January, February and December (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Vaala, 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).
