January weather forecast
Prague, Czech Republic

The weather in Prague during January ventures into the chilling extremes of winter with average highs reaching only 0.4°C (32.7°F) and lows cascading down to -5.4°C (22.3°F). The city, mantled in a thick layer of winter white, experiences the maximum snowfall compared to any other month. Bing chilling, January also exhibits an elevated level of relative humidity which adds a perceptible notched nip to the cold. The scarcity of sunlight hours means limited warmth, making it essential to bundle up adequately against the frosty weather. To sum it up, January truly embodies the raw appeal of the Czech winter.

Temperature

January is the month when Prague, Czech Republic, sees the lowest average temperatures, with a high of 0.4°C (32.7°F) and a low of -5.4°C (22.3°F).

Humidity

January, November and December, with an average relative humidity of 85%, are the most humid months in Prague.

Rainfall

In Prague, in January, it is raining for 6.8 days, with typically 24mm (0.94") of accumulated precipitation. In Prague, during the entire year, the rain falls for 90.2 days and collects up to 526mm (20.71") of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall in Prague, Czech Republic, is January, when 179mm (7.05") of snow is typically aggregated.

Daylight

The average length of the day in January in Prague is 8h and 38min.
On the first day of the month, sunrise is at 08:00 and sunset at 16:10. On the last day of January, in Prague, Czech Republic, sunrise is at 07:37 and sunset at 16:53 CET.

Sunshine

In Prague, the average sunshine in January is 1.6h.

UV index

The months with the lowest UV index in Prague are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 1 during January, leads to the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct Sun exposure should be minimized especially during midday when radiation is most intense. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.