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
Hammarland greets December with an average high-temperature of an icy 3.5°C (38.3°F), marking a slight deviation from the preceding month. Hammarland registers a gentle descent to an average nighttime low of 1.3°C (34.3°F) in December from its daytime highs.Humidity
The average relative humidity in December is 81%.Rainfall
In Hammarland, in December, during 8.8 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Hammarland, Finland, there are 116.3 rainfall days, and 274mm (10.79") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Hammarland. In Hammarland, in December, snow falls for 7.5 days, with typically accumulated 35mm (1.38") of snow. Throughout the year, there are 40.1 snowfall days, and 160mm (6.3") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 6h and 0min of daylight.On the first day of December, sunrise is at 09:18 and sunset at 15:41. On the last day of the month, sunrise is at 09:45 and sunset at 15:43 EET.
Sunshine
The months with the least sunshine in Hammarland are January and December, with an average of 2.2h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV 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 in Hammarland?
What is the average humidity in December in Hammarland?
How many days does it rain in December in Hammarland?
How many days does it snow in December in Hammarland?
What is the month with the shortest days in Hammarland?
How many hours of daylight does Hammarland have in December?
When is the sunrise / sunset in December in Hammarland?
What is the month with the least sunshine in Hammarland?
How long on average sun shines in December in Hammarland?
How high is the UV index in December in Hammarland?
Average temperature in December
Hammarland, Finland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (17.6°C).
The month with the lowest average high temperature is February (0.5°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in December
Hammarland, Finland
- Average pressure in December: 1007.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in December
Hammarland, Finland
- Average wind speed in December: 31.7km/h
The windiest month (with the highest average wind speed) is December (31.7km/h).
The calmest month (with the lowest average wind speed) is July (20km/h).
Average humidity in December
Hammarland, Finland
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and October (78%).
Average rainfall in December
Hammarland, Finland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is October (32mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in December
Hammarland, Finland
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Hammarland, Finland
- Average snowfall in December: 35mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hammarland, Finland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hammarland, Finland
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in December
Hammarland, Finland
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is May (20.5 days).
The month with the least sunshine days is December (11.1 days).
Average UV index in December
Hammarland, Finland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).
Average cloud cover in December
Hammarland, Finland
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Hammarland, Finland
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
