January Weather in Croydon, United States

Last updated: June 24, 2025

In January, the average temperature in Croydon, United States hovers around -6°C (22°F). However, it's not uncommon to experience a chilling minimum of -29°C (-20°F), while the mercury can rise to a maximum of 15°C (59°F). Expect about 70 mm (2.7 in) of precipitation spread over 9 days, with an average humidity level of 86%, making it a rather damp month.

January Temperature in Croydon

In January in Croydon, the average temperature is -6°C (22°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -29°C (-20°F). Be prepared for a wide range of temperatures when traveling to Croydon during this month.

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

The chart illustrates January temperature patterns in Croydon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Croydon, January typically has an average temperature of -6°C (22°F), with highs reaching up to 15°C (59°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in Croydon

In Croydon in January, the precipitation amount is 70 mm (2.7 in) over the course of 9 days.

January Precipitation Trends in Croydon

The chart displays monthly precipitation patterns in Croydon, 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 Croydon, January typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Croydon

In Croydon in January humidity is 86%. With an average temperature of -6°C (22°F), this humidity feels like an intense chill that cuts through layers of clothing, making travel uncomfortable and prompting the need for extra warmth and careful planning for outdoor activities.

January Average Humidity in Croydon

This chart illustrates the average monthly humidity levels in Croydon, 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 Croydon is approximately 86%, 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 Croydon

In Croydon in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Croydon, you can check the information here.

Maximum UV Index Levels in Croydon for January

The chart shows the monthly maximum UV Index (UVI) for Croydon 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 Croydon typically reaches 3, which falls under the moderate exposure category.

Data source: Croydon 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 Croydon Compares to Other Months

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

This table compares monthly weather conditions in Croydon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	70 mm (2.7 inches)	86%	moderate
February Weather	-4°C (25°F)	81 mm (3.2 inches)	84%	moderate
March Weather	0°C (32°F)	71 mm (2.8 inches)	82%	high
April Weather	6°C (44°F)	116 mm (4.6 inches)	80%	very high
May Weather	13°C (56°F)	78 mm (3.1 inches)	72%	very high
June Weather	19°C (66°F)	85 mm (3.4 inches)	72%	very high
July Weather	22°C (71°F)	120 mm (4.7 inches)	67%	very high
August Weather	21°C (69°F)	86 mm (3.4 inches)	66%	very high
September Weather	17°C (62°F)	64 mm (2.5 inches)	71%	high
October Weather	10°C (50°F)	132 mm (5.2 inches)	78%	moderate
November Weather	2°C (36°F)	100 mm (3.9 inches)	84%	moderate
December Weather	-3°C (27°F)	102 mm (4.0 inches)	81%	low