January weather forecastDalarö, Sweden

January

Weather in January

January, the same as December, is a wintry winter month in Dalarö, Sweden, with an average temperature varying between 0.4°C (32.7°F) and -2.3°C (27.9°F).

Temperature

The shift into January reveals an average high-temperature of a still wintry 0.4°C (32.7°F), closely mirroring December's climate. Dalarö encounters a negligible difference from daytime peaks throughout the January nights, with a low-temperature average of -2.3°C (27.9°F).

Humidity

The average relative humidity in January is 85%.

Rainfall

In Dalarö, Sweden, in January, during 5.8 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, in Dalarö, there are 88.9 rainfall days, and 116mm (4.57") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In January, it is snowing for 9.7 days. Throughout January, 13mm (0.51") of snow is accumulated. Throughout the year, in Dalarö, there are 38.5 snowfall days, and 78mm (3.07") of snow is accumulated.

Sea temperature

In Dalarö, in January, the average water temperature is 1.9°C (35.4°F).
Note: In the practice of swimming, this situation poses immediate risks to life. Losing control over breathing is immediate, thereby making clear thinking near impossible. A specialized swimsuit is obligatory to restrict thermal loss.

Daylight

In Dalarö, the average length of the day in January is 7h and 5min.
On the first day of January in Dalarö, Sweden, sunrise is at 08:40 and sunset at 14:58. On the last day of the month, sunrise is at 07:58 and sunset at 16:00 CET.

Sunshine

The average sunshine in January in Dalarö is 3.4h.

UV index

January and February, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Dalarö, 0.4°C (32.7°F) is the average high-temperature and -2.3°C (27.9°F) is the average low-temperature during January.

The average relative humidity in January in Dalarö is 85%.

In Dalarö, Sweden, in January, during 5.8 rainfall days, 6mm (0.24") of precipitation is typically accumulated.

In Dalarö, during January, snow falls for 9.7 days and regularly aggregates up to 13mm (0.51") of snow.

In January, the average sea temperature in Dalarö is 1.9°C (35.4°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

In January, the average day length in Dalarö is 7h and 5min.

On the first day of January, sunrise is at 08:40 and sunset at 14:58. On the last day of the month, sunrise is at 07:58 and sunset at 16:00 CET.

In Dalarö, Sweden, the average sunshine duration in January is 3.4h.

The months with the lowest UV index in Dalarö, Sweden, are January and February, with an average maximum UV index of 1.

In January, the average daily maximum UV index in Dalarö, Sweden, is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

2.3°C

0.4°C

0.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

24.6km/h

23.4km/h

21.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

9.7

9.6

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

14.4

16.8

16.3

Average UV index

Average cloud cover

64%

65%

Average visibility

9km

Average temperature in January
Dalarö, Sweden

Average high temperature in January: 0.4°C

The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (0.3°C).

Average low temperature in January: -2.3°C

The month with the highest average low temperature is August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).

Average pressure in January
Dalarö, Sweden

Average pressure in January: 1011.2mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

Average wind speed in January
Dalarö, Sweden

Average wind speed in January: 22.2km/h

The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).

Average humidity in January
Dalarö, Sweden

Average humidity in January: 85%

The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in January
Dalarö, Sweden

Average rainfall in January: 6mm

The wettest months (with the highest rainfall) are July and August (14mm).
The driest month (with the least rainfall) is April (4mm).

Average rainfall days in January
Dalarö, Sweden

Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is August (10.9 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in January
Dalarö, Sweden

Average snowfall in January: 13mm

The month with the highest snowfall is February (23mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January
Dalarö, Sweden

Average snowfall days in January: 9.7 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in January
Dalarö, Sweden

Average sea temperature in January: 1.9°C

The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1°C).

Average daylight in January /
Average sunshine in January
Dalarö, Sweden

Average daylight in January: 7h and 6min

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 January: 3h and 24min

The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in January
Dalarö, Sweden

Average sunshine days in January: 16.8 days

The months with the most sunshine days are April and May (21.8 days).
The month with the least sunshine days is December (14.4 days).

Average UV index in January
Dalarö, 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
Dalarö, Sweden

Average cloud cover in January: 65

The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in January
Dalarö, Sweden

Average visibility in January: 9km

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