January weather forecast
Vallentuna, Sweden

January

Weather in January

January, like December, is a freezing cold winter month in Vallentuna, Sweden, with an average temperature varying between -0.7°C (30.7°F) and -3.9°C (25°F).

Temperature

January, with its high-temperature average of -0.7°C (30.7°F) and a low-temperature average of -3.9°C (25°F), is the coldest month.

Humidity

The months with the highest humidity in Vallentuna, Sweden, are January, February and December, with an average relative humidity of 88%.

Rainfall

In January, the rain falls for 6.6 days. Throughout January, 24mm (0.94") of precipitation is accumulated. Throughout the year, there are 147.2 rainfall days, and 402mm (15.83") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 13.1 days. Throughout January, 74mm (2.91") of snow is accumulated. In Vallentuna, during the entire year, snow falls for 54.7 days and aggregates up to 401mm (15.79") of snow.

Daylight

The average length of the day in January in Vallentuna, Sweden, is 6h and 59min.
On the first day of the month, sunrise is at 08:45 and sunset at 14:56. On the last day of January, in Vallentuna, sunrise is at 08:02 and sunset at 16:00 CET.

Sunshine

In Vallentuna, the average sunshine in January is 3.3h.

UV index

The months with the lowest UV index are January and February, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 1 in January transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What month is the coldest in Vallentuna?
Vallentuna's temperature records reveal January as the coldest month, marked by average highs of -0.7°C (30.7°F) and lows of -3.9°C (25°F).
How cold is January in Vallentuna?
The high-temperature in Vallentuna during January is -0.7°C (30.7°F) and the low-temperature is -3.9°C (25°F).
What are the most humid months in Vallentuna?
The months with the highest humidity in Vallentuna, Sweden, are January, February and December, with an average relative humidity of 88%.
What is the average humidity in January in Vallentuna?
In Vallentuna, the average relative humidity in January is 88%.
How many days does it rain in January in Vallentuna?
In January, in Vallentuna, Sweden, the rain falls for 6.6 days. Throughout January, 24mm (0.94") of precipitation is accumulated.
How much does it snow in Vallentuna in January?
In January, in Vallentuna, it is snowing for 13.1 days. Throughout January, 74mm (2.91") of snow is accumulated.
What is the average length of the day in January in Vallentuna?
The average day length in January in Vallentuna is 6h and 59min.
When are sunrise and sunset in January in Vallentuna?
In January, on the first day of the month, sunrise is at 08:45 and sunset at 14:56. On the last day of the month, sunrise is at 08:02 and sunset at 16:00 CET.
How many hours of sunshine does Vallentuna have in January?
The average sunshine duration in January in Vallentuna is 3.3h.
When is the lowest UV index in Vallentuna?
January and February, with an average maximum UV index of 1, are months with the lowest UV index in Vallentuna, Sweden.
What is the UV index intensity in January in Vallentuna?
In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes 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 January
Vallentuna, Sweden
  • Average high temperature in January: -0.7°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in January: -3.9°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in January
Vallentuna, Sweden
  • Average pressure in January: 1011.1mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).

Average wind speed in January
Vallentuna, Sweden
  • Average wind speed in January: 16.9km/h

The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (12.2km/h).

Average humidity in January
Vallentuna, Sweden
  • Average humidity in January: 88%

The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is May (71%).

Average rainfall in January
Vallentuna, Sweden
  • Average rainfall in January: 24mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in January
Vallentuna, Sweden
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in January
Vallentuna, Sweden
  • Average snowfall in January: 74mm

The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January
Vallentuna, Sweden
  • Average snowfall days in January: 13.1 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Vallentuna, Sweden
  • Average daylight in January: 7h and 0min

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 January: 3h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

Average sunshine days in January
Vallentuna, Sweden
  • Average sunshine days in January: 13 days

The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is August (9.9 days).

Average UV index in January
Vallentuna, Sweden
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in January
Vallentuna, Sweden
  • Average cloud cover in January: 67

The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in January
Vallentuna, Sweden
  • Average visibility in January: 8km

The months with the highest visibility are April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and March (8km).

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