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 aligns with a minor decrease in average high-temperatures, from November's 4.5°C (40.1°F) to a still cold 0.8°C (33.4°F). Throughout December, Jorvi observes a steady low-temperature average of -1.9°C (28.6°F), reflecting a minor dip from daytime highs.Humidity
In Jorvi, the average relative humidity in December is 88%.Rainfall
In December, the rain falls for 13.1 days. Throughout December, 50mm (1.97") of precipitation is accumulated. In Jorvi, during the entire year, the rain falls for 154.7 days and collects up to 499mm (19.65") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Jorvi, in December, during 16 snowfall days, 133mm (5.24") of snow is typically accumulated. Throughout the year, in Jorvi, there are 83.6 snowfall days, and 675mm (26.57") of snow is accumulated.Daylight
The month with the shortest days in Jorvi is December, with an average of 6h and 0min of daylight.On the first day of the month, sunrise is at 08:58 and sunset at 15:22. On the last day of December, sunrise is at 09:25 and sunset at 15:23 EET.
Sunshine
December has the least sunshine of the year, with an average of 1.8h of sunshine.UV index
The months with the lowest UV index in Jorvi, Finland, are January through March and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Jorvi in December?
What is the average humidity in December in Jorvi?
How many days does it rain in December in Jorvi?
How many days does it snow in December in Jorvi?
What is the month with the shortest days in Jorvi?
How many hours of daylight does Jorvi have in December?
What time are sunrise and sunset in December in Jorvi?
What is the month with the least sunshine in Jorvi?
How many hours of sunshine does Jorvi have in December?
What is the month with the lowest UV index in Jorvi?
How high is the UV index in December in Jorvi?
Average temperature in December
Jorvi, Finland
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in December
Jorvi, Finland
- Average pressure in December: 1008.5mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in December
Jorvi, Finland
- Average wind speed in December: 20.1km/h
The windiest month (with the highest average wind speed) is December (20.1km/h).
The calmest month (with the lowest average wind speed) is May (13.2km/h).
Average humidity in December
Jorvi, Finland
- Average humidity in December: 88%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Jorvi, Finland
- Average rainfall in December: 50mm
The wettest months (with the highest rainfall) are July and October (52mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Jorvi, Finland
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Jorvi, Finland
- Average snowfall in December: 133mm
The month with the highest snowfall is January (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jorvi, Finland
- Average snowfall days in December: 16 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jorvi, 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: 1h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in December
Jorvi, Finland
- Average sunshine days in December: 5.6 days
The month with the most sunshine days is May (16.5 days).
The month with the least sunshine days is December (5.6 days).
Average UV index in December
Jorvi, 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 and December (UV index 1).
Average cloud cover in December
Jorvi, Finland
- Average cloud cover in December: 75
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Jorvi, Finland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
Jorvi, Finland
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