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
The transition to December results in a modest reduction in average high-temperature, moving from a cold 4.9°C (40.8°F) in November to a still wintry 1.4°C (34.5°F). Gränna documents a consistent average low-temperature of -1.9°C (28.6°F) at night during December.Humidity
The average relative humidity in December is 89%.Rainfall
In Gränna, during December, the rain falls for 10.7 days and regularly aggregates up to 39mm (1.54") of precipitation. In Gränna, during the entire year, the rain falls for 170.1 days and collects up to 502mm (19.76") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Gränna, in December, during 12.7 snowfall days, 111mm (4.37") of snow is typically accumulated. Throughout the year, there are 63.7 snowfall days, and 573mm (22.56") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 6h and 36min of daylight.On the first day of December, sunrise is at 08:22 and sunset at 15:19. On the last day of the month, sunrise is at 08:47 and sunset at 15:22 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.8h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Gränna in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Gränna have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Gränna have in December?
What is the UV index intensity in December?
Average temperature in December
Gränna, Sweden
- Average high temperature in December: 1.4°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.6°C).
Average pressure in December
Gränna, Sweden
- Average pressure in December: 1009mbar
The months with the highest atmospheric pressure are April and May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in December
Gränna, Sweden
- Average wind speed in December: 16.8km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest months (with the lowest average wind speed) are July and August (12.4km/h).
Average humidity in December
Gränna, Sweden
- Average humidity in December: 89%
The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Gränna, Sweden
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is June (61mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Gränna, Sweden
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Gränna, Sweden
- Average snowfall in December: 111mm
The month with the highest snowfall is February (154mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gränna, Sweden
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gränna, Sweden
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in December
Gränna, Sweden
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is April (12.8 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in December
Gränna, Sweden
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Gränna, Sweden
- Average cloud cover in December: 72
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are May and June (Cloud cover 45).
Average visibility in December
Gränna, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
