December weather forecastJaala, Finland
December
Weather in December
December, the first month of the winter in Jaala, is also a subzero cold month, with an average temperature fluctuating between -1.2°C (29.8°F) and -4.6°C (23.7°F).Temperature
A subtle shift in Jaala's weather is observed as November turns into December, with the average high temperature reducing from an icy 2.5°C (36.5°F) to a freezing cold -1.2°C (29.8°F). The temperature in Jaala during December sees a subtle transition from day to night, averaging a low of -4.6°C (23.7°F).Humidity
In December, the average relative humidity in Jaala is 93%.Rainfall
In Jaala, during December, the rain falls for 8.5 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, in Jaala, there are 131.9 rainfall days, and 451mm (17.76") of precipitation is accumulated.Snowfall
Months with snowfall in Jaala are January through May, October through December. In Jaala, in December, snow falls for 21.2 days, with typically accumulated 224mm (8.82") of snow. Throughout the year, in Jaala, there are 104.4 snowfall days, and 1093mm (43.03") of snow is accumulated.Daylight
The month with the shortest days in Jaala is December, with an average of 5h and 42min of daylight.On the first day of the month, sunrise is at 08:59 and sunset at 15:07. On the last day of December, in Jaala, sunrise is at 09:26 and sunset at 15:07 EET.
Sunshine
With an average of 1.2h of sunshine, December has the least sunshine of the year in Jaala.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Jaala, Finland. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 1 during December translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jaala, Finland
- Average high temperature in December: -1.2°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in December: -4.6°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in December
Jaala, Finland
- Average pressure in December: 1008.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in December
Jaala, Finland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Jaala, Finland
- Average humidity in December: 93%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Jaala, Finland
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Jaala, Finland
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Jaala, Finland
- Average snowfall in December: 224mm
The month with the highest snowfall is February (231mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jaala, Finland
- Average snowfall days in December: 21.2 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Jaala, Finland
- Average daylight in December: 5h and 42min
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: 1h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days in December
Jaala, Finland
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in December
Jaala, 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
Jaala, Finland
- Average cloud cover in December: 79
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Jaala, Finland
- Average visibility in December: 7km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).








