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
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a wintry 1.3°C (34.3°F) in November to a subzero cold -2.6°C (27.3°F). In Haapamäki, the nocturnal temperatures throughout December show a marginal dip from the daytime averages, settling at a still freezing cold -6.1°C (21°F).Humidity
In Haapamäki, the average relative humidity in December is 94%.Rainfall
In Haapamäki, in December, during 5.7 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Haapamäki, during the entire year, the rain falls for 126.7 days and collects up to 417mm (16.42") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Haapamäki, in December, snow falls for 19.9 days, with typically accumulated 205mm (8.07") of snow. In Haapamäki, during the entire year, snow falls for 103.2 days and aggregates up to 1012mm (39.84") of snow.Daylight
December has the shortest days of the year in Haapamäki, with an average of 5h and 12min of daylight.On the first day of the month, sunrise is at 09:19 and sunset at 15:03. On the last day of December, in Haapamäki, Finland, sunrise is at 09:48 and sunset at 15:02 EET.
Sunshine
The month with the least sunshine in Haapamäki is December, with an average of 0.8h of sunshine.UV index
The months with the lowest UV index in Haapamäki are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Haapamäki?
What is the average humidity in December in Haapamäki?
How much does it rain in Haapamäki in December?
How much does it snow in Haapamäki in December?
What is the month with the shortest days in Haapamäki?
How many hours of daylight does Haapamäki have in December?
When are sunrise and sunset in December in Haapamäki?
What is the month with the least sunshine in Haapamäki?
How many hours of sunshine does Haapamäki have in December?
What is the month with the lowest UV index in Haapamäki?
What is the UV index intensity in December in Haapamäki?
Average temperature in December
Haapamäki, Finland
- Average high temperature in December: -2.6°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 (-5.2°C).
- Average low temperature in December: -6.1°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is January (-9.6°C).
Average pressure in December
Haapamäki, Finland
- Average pressure in December: 1007mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007mbar).
Average wind speed in December
Haapamäki, Finland
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is July (9.8km/h).
Average humidity in December
Haapamäki, Finland
- Average humidity in December: 94%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Haapamäki, Finland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is March (25mm).
Average rainfall days in December
Haapamäki, Finland
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in December
Haapamäki, Finland
- Average snowfall in December: 205mm
The month with the highest snowfall is January (227mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Haapamäki, Finland
- Average snowfall days in December: 19.9 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Haapamäki, Finland
- Average daylight in December: 5h and 1min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in December: 0h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in December
Haapamäki, Finland
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is May (16.1 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in December
Haapamäki, 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, November and December (UV index 1).
Average cloud cover in December
Haapamäki, Finland
- Average cloud cover in December: 80
The month with the most cloud cover is January (Cloud cover 83).
The months with the least cloud cover are June and July (Cloud cover 48).
Average visibility in December
Haapamäki, Finland
- Average visibility in December: 6km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
Haapamäki, Finland
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