January Weather in Prague, United States

Last updated: June 24, 2025

In Prague, United States, the average temperature in January hovers around 4°C (40°F). Expect a temperature range where it can dip to a chilly -15°C (5°F) or rise to a warm 25°C (77°F). This month brings about 61 mm (2.4 in) of precipitation spread over 6 days, contributing to an average humidity of 79%. Prepare for a mix of weather as you explore!

January Temperature in Prague

In January in Prague, the average temperature is 4°C (40°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -15°C (5°F). Be prepared for a wide range of temperatures when traveling during this time, and pack accordingly.

January Weather in Prague: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Prague, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prague, January typically has an average temperature of 4°C (40°F), with highs reaching up to 25°C (77°F) and lows dropping to around -15°C (5°F).

Data source: Temperature data for Prague generated using information from the Copernicus Climate Change Service.

January Precipitation in Prague

In Prague in January, the total precipitation amount is 61 mm (2.4 in) spread over a period of 6 days.

January Precipitation Trends in Prague

The chart displays monthly precipitation patterns in Prague, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Prague, January typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Prague

In Prague in January, humidity is 79%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that wraps around you, making outdoor activities uncomfortable and leaving you longing for warmth as your breath hangs in the air.

January Average Humidity in Prague

This chart illustrates the average monthly humidity levels in Prague, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Prague is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Prague

In Prague in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Prague for better planning.

Maximum UV Index Levels in Prague for January

The chart shows the monthly maximum UV Index (UVI) for Prague in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Prague typically reaches 4, which falls under the moderate exposure category.

Data source: Prague January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Prague Compares to Other Months

Weather in Prague varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Prague, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Prague, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	61 mm (2.4 inches)	79%	moderate
February Weather	5°C (42°F)	63 mm (2.5 inches)	78%	high
March Weather	12°C (55°F)	89 mm (3.5 inches)	75%	high
April Weather	15°C (60°F)	171 mm (6.7 inches)	75%	very high
May Weather	21°C (70°F)	149 mm (5.9 inches)	83%	very high
June Weather	26°C (79°F)	100 mm (3.9 inches)	81%	extreme
July Weather	28°C (83°F)	81 mm (3.2 inches)	78%	extreme
August Weather	27°C (81°F)	68 mm (2.7 inches)	68%	very high
September Weather	24°C (76°F)	92 mm (3.6 inches)	64%	very high
October Weather	17°C (63°F)	121 mm (4.8 inches)	71%	high
November Weather	11°C (51°F)	43 mm (1.7 inches)	82%	moderate
December Weather	7°C (45°F)	37 mm (1.5 inches)	87%	moderate