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
Weather in December
Temperature
In Halikko, entering December brings a subtle temperature decrement, reducing from November's wintry 3.4°C (38.1°F) to a freezing cold -0.4°C (31.3°F). A mean low-temperature of -3.7°C (25.3°F) is a distinguishing feature of December in Halikko, Finland, indicating a slight dip from daytime highs.Humidity
In December, the average relative humidity is 91%.Rainfall
In Halikko, during December, the rain falls for 8.5 days and regularly aggregates up to 26mm (1.02") of precipitation. In Halikko, during the entire year, the rain falls for 122 days and collects up to 276mm (10.87") of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 15.3 days and typically aggregates up to 91mm (3.58") of snow.Daylight
With an average of 5h and 54min of daylight, December has the shortest days of the year in Halikko.On the first day of December, sunrise is at 09:06 and sunset at 15:26. On the last day of the month, sunrise is at 09:33 and sunset at 15:28 EET.
Sunshine
December has the least sunshine of the year in Halikko, with an average of 1.8h of sunshine.UV index
The months with the lowest UV index in Halikko are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in Halikko?
What is the average humidity in December in Halikko?
How much does it rain in Halikko in December?
When does it snow the most in Halikko?
How much does it snow in Halikko in December?
What is the month with the shortest days in Halikko?
How many hours of daylight does Halikko have in December?
When is the sunrise / sunset in December in Halikko?
What is the month with the least sunshine in Halikko?
How many hours of sunshine does Halikko have in December?
What is the month with the lowest UV index in Halikko?
How high is the UV index in December in Halikko?
Average temperature in December
Halikko, Finland
- Average high temperature in December: -0.4°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-3.2°C).
- Average low temperature in December: -3.7°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in December
Halikko, Finland
- Average pressure in December: 1008.1mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in December
Halikko, Finland
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in December
Halikko, Finland
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Halikko, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Halikko, Finland
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Halikko, Finland
- Average snowfall in December: 91mm
The month with the highest snowfall is December (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Halikko, Finland
- Average snowfall days in December: 15.3 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Halikko, Finland
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 1h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in December
Halikko, Finland
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is December (10.4 days).
Average UV index in December
Halikko, 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
Halikko, Finland
- Average cloud cover in December: 74
The months with the most cloud cover are February and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Halikko, Finland
- Average visibility in December: 8km
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 (7km).
Halikko, Finland
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