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 4.4°C (39.9°F) in November to a still cold 0.5°C (32.9°F). During December, nights in Hummelsta cool slightly to an average low of -2.9°C (26.8°F).Humidity
The average relative humidity in December in Hummelsta is 89%.Rainfall
In December, in Hummelsta, the rain falls for 9.3 days. Throughout December, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Hummelsta, there are 147 rainfall days, and 396mm (15.59") of precipitation is accumulated.Snowfall
Months with snowfall in Hummelsta are January through May, October through December. The month with the most snowfall is December, when snow falls for 12.8 days and typically aggregates up to 110mm (4.33") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 12min of daylight.On the first day of December, sunrise is at 08:24 and sunset at 14:57. On the last day of the month, sunrise is at 08:51 and sunset at 14:59 CET.
Sunshine
The month with the least sunshine in Hummelsta, Sweden, is December, with an average of 2.5h of sunshine.UV index
The average daily maximum UV index in December in Hummelsta is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in Hummelsta?
What is the average humidity in December in Hummelsta?
How much does it rain in Hummelsta in December?
What is the snowiest month in Hummelsta?
How much does it snow in Hummelsta in December?
What is the month with the shortest days in Hummelsta?
How many hours of daylight does Hummelsta have in December?
What time are sunrise and sunset in December in Hummelsta?
What is the month with the least sunshine in Hummelsta?
How long on average sun shines in December in Hummelsta?
What is the UV index reading in December in Hummelsta?
Average temperature in December
Hummelsta, Sweden
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-1.1°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is July (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-4.8°C).
Average pressure in December
Hummelsta, Sweden
- Average pressure in December: 1007.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in December
Hummelsta, Sweden
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest months (with the lowest average wind speed) are July and August (11.2km/h).
Average humidity in December
Hummelsta, Sweden
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Hummelsta, Sweden
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Hummelsta, Sweden
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in December
Hummelsta, Sweden
- Average snowfall in December: 110mm
The month with the highest snowfall is December (110mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hummelsta, Sweden
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hummelsta, Sweden
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 2h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Hummelsta, Sweden
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Hummelsta, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Hummelsta, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 42).
Average visibility in December
Hummelsta, 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).
Hummelsta, Sweden
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