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
Otanmäki, Finland, records a mild change in average high-temperature during December, easing from a wintry 0.1°C (32.2°F) in November to a subzero cold -4.1°C (24.6°F). Otanmäki records a mild decrease in temperature during the nights of December, averaging a still freezing cold -7.7°C (18.1°F).Humidity
The average relative humidity in December in Otanmäki is 95%.Rainfall
In Otanmäki, Finland, in December, it is raining for 4.4 days, with typically 26mm (1.02") of accumulated precipitation. In Otanmäki, 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, in Otanmäki, 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
December has the shortest days of the year in Otanmäki, with an average of 4h and 24min of daylight.On the first day of December, sunrise is at 09:30 and sunset at 14:31. On the last day of the month, sunrise is at 10:02 and sunset at 14:26 EET.
Sunshine
With an average of 0.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Otanmäki in December?
What is the average humidity in December in Otanmäki?
How many days does it rain in December in Otanmäki?
How much does it snow in Otanmäki in December?
What is the month with the shortest days in Otanmäki?
How many hours of daylight does Otanmäki have in December?
When are sunrise and sunset in December in Otanmäki?
What is the month with the least sunshine in Otanmäki?
How long on average sun shines in December in Otanmäki?
When is the lowest UV index in Otanmäki?
How high is the UV index in December in Otanmäki?
Average temperature in December
Otanmäki, 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
Otanmäki, 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
Otanmäki, 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
Otanmäki, 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
Otanmäki, 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
Otanmäki, 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
Otanmäki, 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
Otanmäki, 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
Otanmäki, Finland
- Average daylight in December: 4h and 2min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- 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
Otanmäki, 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
Otanmäki, 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
Otanmäki, 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
Otanmäki, 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).
