January weather forecast
Warsaw, Poland

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The old town square of Warsaw, Poland
The old town square of Warsaw, Poland

Weather in January

January's winter weather in Warsaw, Poland, typically manifests in a mix of cold and icy conditions. Snowfall and frost are frequent guests, occasionally creating a picturesque, winter wonderland. The temperature ranges from a frigid -4.8°C (23.4°F) at night to a chilly daytime high of 0.4°C (32.7°F). Despite these bone-chilling temperatures, the city maintains a special charm, wrapped in its thick winter coat. The length of daylight is brief, highlighting the seasonal climate's characteristic short days and long nights.

Temperature

With average high and low temperatures of 0.4°C (32.7°F) and -4.8°C (23.4°F) respectively, January is Warsaw's coldest month.

Rainfall

In January, in Warsaw, the rain falls for 15 days. Throughout January, 27mm (1.06") of precipitation is accumulated. In Warsaw, Poland, during the entire year, the rain falls for 159 days and collects up to 532mm (20.94") of precipitation.

Daylight

In January, the average length of the day in Warsaw is 8h and 20min.
On the first day of January, sunrise is at 07:45 and sunset at 15:33. On the last day of the month, sunrise is at 07:18 and sunset at 16:19 CET.

Sunshine

January and December, with an average of 1h of sunshine, are months with the least sunshine.

UV index

The average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In January, the maximum UV index of 1 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What are the coldest months in Warsaw?

Warsaw, Poland, witnesses the coldest weather in January, with temperatures averaging a high of 0.4°C (32.7°F) and a low of -4.8°C (23.4°F).

How cold is January in Warsaw?

During January, Warsaw experiences an average high-temperature of 0.4°C (32.7°F) and a low-temperature of -4.8°C (23.4°F).

How many days does it rain in January in Warsaw?

In Warsaw, Poland, in January, during 15 rainfall days, 27mm (1.06") of precipitation is typically accumulated.

How many hours of daylight does Warsaw have in January?

In January, the average day length is 8h and 20min.

When are sunrise and sunset in January in Warsaw?

On the first day of January, sunrise is at 07:45 and sunset at 15:33. On the last day of the month, sunrise is at 07:18 and sunset at 16:19 CET.

What is the month with the least sunshine in Warsaw?

January and December, with an average of 1h of sunshine, are months with the least sunshine in Warsaw.

How many hours of sunshine does Warsaw have in January?

In Warsaw, Poland, the average sunshine duration in January is 1h.

What is the UV index reading in January in Warsaw?

In January, the average daily maximum UV index in Warsaw is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Warsaw, Poland

Average temperature in January - Warsaw, Poland
  • Average high temperature in January: 0.4°C

The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (0.4°C).

  • Average low temperature in January: -4.8°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 (-4.8°C).

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Average rainfall in January
Warsaw, Poland

Average rainfall in January - Warsaw, Poland
  • Average rainfall in January: 26.5mm

The wettest month (with the highest rainfall) is July (72.9mm).
The driest month (with the least rainfall) is February (26.1mm).

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Average rainfall days in January
Warsaw, Poland

Average rainfall days in January - Warsaw, Poland
  • Average rainfall days in January: 15 days

The month with the highest number of rainy days is December (16 days).
The months with the least rainy days are April, May, August and September (12 days).

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

Average daylight in January / Average sunshine in January - Warsaw, Poland
  • Average daylight in January: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in January: 1h

The months with the most sunshine are June and July (Average sunshine: 8h).
The months with the least sunshine are January and December (Average sunshine: 1h).

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Average UV index in January
Warsaw, Poland

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 0).

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Warsaw, Poland

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