January weather forecast
Gdańsk, Poland

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Weather in January

January in Gdańsk, Poland, tends to be frigid with high amounts of snowfall. The temperatures typically fall from 0.6°C (33.1°F) to -2.4°C (27.7°F). This month also boasts of high relative humidity levels. While the sea remains chilly with temperatures hovering around 3.3°C (37.9°F), it's interesting to witness the transformation of the city under a blanket of snow. Wind speed averages around 16.3km/h (10.1mph), making outdoor activities slightly challenging during this period.

Temperature

During the coldest month, January, temperatures average a high of 0.6°C (33.1°F) and a low of -2.4°C (27.7°F).

Humidity

The months with the highest humidity are January, February and December, with an average relative humidity of 87%.

Rainfall

In January, the rain falls for 10.8 days. Throughout January, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 172.5 rainfall days, and 497mm (19.57") of precipitation is accumulated.

Snowfall

Months with snowfall in Gdańsk, Poland, are January through May, October through December. January is the month with the most snowfall in Gdańsk. Snow falls for 16.2 days and accumulates 128mm (5.04") of snow.

Sea temperature

In January, the average sea temperature is 3.3°C (37.9°F).
Note: While swimming, this scenario rapidly escalates into a life-threatening situation. Breathing becomes unmanageable, impairing clear thinking. Utilizing a specialized swimsuit is vital to minimize thermal depletion.

Daylight

In January, the average length of the day in Gdańsk, Poland, is 8h and 1min.
On the first day of January in Gdańsk, sunrise is at 08:06 and sunset at 15:31. On the last day of the month, sunrise is at 07:35 and sunset at 16:21 CET.

Sunshine

The month with the least sunshine is January, with an average of 2.9h of sunshine.

UV index

The months with the lowest UV index in Gdańsk are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

What part of the year is the coldest in Gdańsk?

With average temperatures fluctuating between a high of 0.6°C (33.1°F) and a low of -2.4°C (27.7°F), January stands out as the coldest month.

How cold is January in Gdańsk?

January temperatures in Gdańsk vary between a high-temperature of 0.6°C (33.1°F) and a low-temperature of -2.4°C (27.7°F).

What is the most humid month in Gdańsk?

The months with the highest humidity in Gdańsk, Poland, are January, February and December, with an average relative humidity of 87%.

What is the average humidity in January in Gdańsk?

In Gdańsk, the average relative humidity in January is 87%.

How many days does it rain in January in Gdańsk?

In Gdańsk, Poland, in January, during 10.8 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

What is the snowiest month in Gdańsk?

The month with the most snowfall is January, when snow falls for 16.2 days and typically aggregates up to 128mm (5.04") of snow.

How much does it snow in Gdańsk in January?

In Gdańsk, Poland, in January, snow falls for 16.2 days, with typically accumulated 128mm (5.04") of snow.

What is the sea temperature in January in Gdańsk?

In Gdańsk, Poland, the average seawater temperature in January is 3.3°C (37.9°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in January in Gdańsk?

In Gdańsk, the average day length in January is 8h and 1min.

When are sunrise and sunset in January in Gdańsk?

In January, on the first day of the month, sunrise is at 08:06 and sunset at 15:31. On the last day of the month, in Gdańsk, sunrise is at 07:35 and sunset at 16:21 CET.

What is the month with the least sunshine in Gdańsk?

The month with the least sunshine is January, with an average of 2.9h of sunshine.

How long on average sun shines in January in Gdańsk?

The average sunshine duration in January is 2.9h.

What are the months with the lowest UV index in Gdańsk?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Gdańsk.

What is the UV index intensity in January in Gdańsk?

In Gdańsk, Poland, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.

Average temperature in January
Gdańsk, Poland

Average temperature in January - Gdańsk, Poland
  • Average high temperature in January: 0.6°C

The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in January: -2.4°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).

Average pressure in January
Gdańsk, Poland

Average pressure in January - Gdańsk, Poland
  • Average pressure in January: 1014.4mbar

The month with the highest atmospheric pressure is October (1016.6mbar).
The months with the lowest atmospheric pressure are July and December (1013.2mbar).

Average wind speed in January
Gdańsk, Poland

Average wind speed in January - Gdańsk, Poland
  • Average wind speed in January: 16.3km/h

The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).

Average humidity in January
Gdańsk, Poland

Average humidity in January - Gdańsk, Poland
  • Average humidity in January: 87%

The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is April (71%).

Average rainfall in January
Gdańsk, Poland

Average rainfall in January - Gdańsk, Poland
  • Average rainfall in January: 37mm

The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is April (20mm).

Average rainfall days in January
Gdańsk, Poland

Average rainfall days in January - Gdańsk, Poland
  • Average rainfall days in January: 10.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in January
Gdańsk, Poland

Average snowfall in January - Gdańsk, Poland
  • Average snowfall in January: 128mm

The month with the highest snowfall is January (128mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January
Gdańsk, Poland

Average snowfall days in January - Gdańsk, Poland
  • Average snowfall days in January: 16.2 days

The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in January
Gdańsk, Poland

Average sea temperature in January - Gdańsk, Poland
  • Average sea temperature in January: 3.3°C

The best month for swimming (with the highest average sea temperature) is August (19.3°C).
The coldest month (with the lowest average sea temperature) is March (2.4°C).

Average daylight in January /
Average sunshine in January
Gdańsk, Poland

Average daylight in January / Average sunshine in January - Gdańsk, Poland
  • Average daylight in January: 8h and 0min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in January: 2h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in January
Gdańsk, Poland

Average sunshine days in January - Gdańsk, Poland
  • Average sunshine days in January: 8.5 days

The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (7.5 days).

Average UV index in January
Gdańsk, Poland

Average UV index in January - Gdańsk, Poland
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in January
Gdańsk, Poland

Average cloud cover in January - Gdańsk, Poland
  • Average cloud cover in January: 72

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Gdańsk, Poland

Average visibility in January - Gdańsk, Poland
  • Average visibility in January: 8km

The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January and February (8km).

Gdańsk, Poland

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