December weather forecast
Tumba, Sweden

December

Weather in December

December, the first month of the winter in Tumba, is also an icy month, with an average temperature ranging between max 1.5°C (34.7°F) and min -1.6°C (29.1°F).

Temperature

The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from 5.1°C (41.2°F) in November to a still wintry 1.5°C (34.7°F). Tumba's nighttime temperatures in December display a slight drop from daytime highs, averaging to a freezing cold -1.6°C (29.1°F).

Humidity

In Tumba, Sweden, the average relative humidity in December is 87%.

Rainfall

In December, in Tumba, the rain falls for 8.3 days. Throughout December, 34mm (1.34") of precipitation is accumulated. In Tumba, Sweden, during the entire year, the rain falls for 141.5 days and collects up to 378mm (14.88") of precipitation.

Snowfall

Months with snowfall in Tumba, Sweden, are January through May, October through December. In Tumba, in December, snow falls for 9.1 days, with typically accumulated 77mm (3.03") of snow. In Tumba, during the entire year, snow falls for 48.3 days and aggregates up to 358mm (14.09") of snow.

Daylight

The month with the shortest days is December, with an average of 6h and 18min of daylight.
On the first day of the month, sunrise is at 08:18 and sunset at 14:57. On the last day of December, in Tumba, sunrise is at 08:43 and sunset at 14:59 CET.

Sunshine

December has the least sunshine of the year, with an average of 2.6h of sunshine.

UV index

In Tumba, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

How cold is December in Tumba?
During December, Tumba experiences an average high-temperature of 1.5°C (34.7°F) and a low-temperature of -1.6°C (29.1°F).
What is the average humidity in December in Tumba?
In Tumba, the average relative humidity in December is 87%.
How much does it rain in Tumba in December?
In December, in Tumba, the rain falls for 8.3 days. Throughout December, 34mm (1.34") of precipitation is accumulated.
How many days does it snow in December in Tumba?
In Tumba, Sweden, in December, snow falls for 9.1 days, with typically accumulated 77mm (3.03") of snow.
What is the month with the shortest days in Tumba?
December has the shortest days of the year, with an average of 6h and 18min of daylight.
What is the average length of the day in December in Tumba?
In December, the average day length in Tumba is 6h and 17min.
When is the sunrise / sunset in December in Tumba?
In December, on the first day of the month, sunrise is at 08:18 and sunset at 14:57. On the last day of the month, in Tumba, Sweden, sunrise is at 08:43 and sunset at 14:59 CET.
What is the month with the least sunshine in Tumba?
The month with the least sunshine in Tumba is December, with an average of 2.6h of sunshine.
How long on average sun shines in December in Tumba?
The average sunshine duration in December is 2.6h.
What is the UV index intensity in December in Tumba?
In December, the average daily maximum UV index in Tumba, Sweden, is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Tumba, Sweden
Average temperature in December
Tumba, Sweden
  • Average high temperature in December: 1.5°C

The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

Average pressure in December - Tumba, Sweden
Average pressure in December
Tumba, Sweden
  • Average pressure in December: 1007.9mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

Average wind speed in December - Tumba, Sweden
Average wind speed in December
Tumba, Sweden
  • Average wind speed in December: 18.9km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.8km/h).

Average humidity in December - Tumba, Sweden
Average humidity in December
Tumba, Sweden
  • Average humidity in December: 87%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (72%).

Average rainfall in December - Tumba, Sweden
Average rainfall in December
Tumba, Sweden
  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in December - Tumba, Sweden
Average rainfall days in December
Tumba, Sweden
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in December - Tumba, Sweden
Average snowfall in December
Tumba, Sweden
  • Average snowfall in December: 77mm

The month with the highest snowfall is February (102mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Tumba, Sweden
Average snowfall days in December
Tumba, Sweden
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Tumba, Sweden
Average daylight in December /
Average sunshine in December
Tumba, Sweden
  • Average daylight in December: 6h and 2min

The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in December - Tumba, Sweden
Average sunshine days in December
Tumba, Sweden
  • Average sunshine days in December: 13 days

The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is February (11.9 days).

Average UV index in December - Tumba, Sweden
Average UV index in December
Tumba, 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 - Tumba, Sweden
Average cloud cover in December
Tumba, Sweden
  • Average cloud cover in December: 65

The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in December - Tumba, Sweden
Average visibility in December
Tumba, Sweden
  • Average visibility in December: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).

englishespañol中文
Share