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
The start of December comes with a small reduction in the average high-temperature, subtly receding from a wintry 1.5°C (34.7°F) in November to a subzero cold -2.6°C (27.3°F). Säynätsalo maintains a minor drop in temperature during December nights, with averages of -5.9°C (21.4°F).Humidity
In December, the average relative humidity is 94%.Rainfall
In December, in Säynätsalo, Finland, the rain falls for 6 days. Throughout December, 33mm (1.3") of precipitation is accumulated. In Säynätsalo, during the entire year, the rain falls for 121.2 days and collects up to 403mm (15.87") of precipitation.Snowfall
January through June, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 19.3 days and typically aggregates up to 185mm (7.28") of snow.Daylight
The month with the shortest days is December, with an average of 5h and 18min of daylight.On the first day of the month, sunrise is at 09:12 and sunset at 14:59. On the last day of December, in Säynätsalo, Finland, sunrise is at 09:41 and sunset at 14:58 EET.
Sunshine
December has the least sunshine of the year, with an average of 0.8h of sunshine.UV index
The months with the lowest UV index in Säynätsalo, Finland, are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is December in Säynätsalo?
What is the average humidity in December in Säynätsalo?
How many days does it rain in December in Säynätsalo?
What is the snowiest month in Säynätsalo?
How much does it snow in Säynätsalo in December?
What is the month with the shortest days in Säynätsalo?
How many hours of daylight does Säynätsalo have in December?
When are sunrise and sunset in December in Säynätsalo?
What is the month with the least sunshine in Säynätsalo?
How long on average sun shines in December in Säynätsalo?
When is the lowest UV index in Säynätsalo?
What is the UV index intensity in December in Säynätsalo?
Average temperature in December
Säynätsalo, Finland
- Average high temperature in December: -2.6°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-5.5°C).
- Average low temperature in December: -5.9°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-9.7°C).
Average pressure in December
Säynätsalo, Finland
- Average pressure in December: 1007.6mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in December
Säynätsalo, 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 (9.6km/h).
Average humidity in December
Säynätsalo, 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 (67%).
Average rainfall in December
Säynätsalo, Finland
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is July (50mm).
The driest months (with the least rainfall) are February and March (23mm).
Average rainfall days in December
Säynätsalo, Finland
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Säynätsalo, Finland
- Average snowfall in December: 185mm
The month with the highest snowfall is December (185mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Säynätsalo, Finland
- Average snowfall days in December: 19.3 days
The month with the highest number of snowfall days is December (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Säynätsalo, Finland
- Average daylight in December: 5h and 2min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in December: 0h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in December
Säynätsalo, Finland
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in December
Säynätsalo, 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
Säynätsalo, 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 July and August (Cloud cover 45).
Average visibility in December
Säynätsalo, 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).
Säynätsalo, Finland
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