January Weather in Hayes, United States

Last updated: June 24, 2025

In January, the average temperature in Hayes, United States hovers around 12°C (54°F). Expect a range from a chilly -7°C (19°F) to a warm 26°C (80°F). Over the course of the month, 104 mm (4.1 in) of rain may fall during approximately 8 days, contributing to an average humidity of 79%.

January Temperature in Hayes

In January in Hayes, the average temperature is 12°C (54°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Hayes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hayes, January typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (80°F) and lows dropping to around -7°C (19°F).

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

January Precipitation in Hayes

In Hayes, in January, the precipitation amount is 104 mm (4.1 in) over a span of 8 days.

January Precipitation Trends in Hayes

The chart displays monthly precipitation patterns in Hayes, 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 Hayes, January typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 8 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 Hayes

In Hayes in January, humidity is 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

January Average Humidity in Hayes

This chart illustrates the average monthly humidity levels in Hayes, 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 Hayes 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 Hayes

In Hayes in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hayes.

Maximum UV Index Levels in Hayes for January

The chart shows the monthly maximum UV Index (UVI) for Hayes 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 Hayes typically reaches 5, which falls under the moderate exposure category.

Data source: Hayes 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 Hayes Compares to Other Months

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

This table compares monthly weather conditions in Hayes, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	104 mm (4.1 inches)	79%	moderate
February Weather	15°C (59°F)	102 mm (4.0 inches)	80%	very high
March Weather	18°C (66°F)	60 mm (2.4 inches)	78%	very high
April Weather	21°C (70°F)	154 mm (6.1 inches)	81%	very high
May Weather	25°C (77°F)	170 mm (6.7 inches)	79%	extreme
June Weather	27°C (82°F)	160 mm (6.3 inches)	75%	extreme
July Weather	28°C (83°F)	158 mm (6.2 inches)	74%	extreme
August Weather	28°C (83°F)	185 mm (7.3 inches)	73%	extreme
September Weather	27°C (80°F)	169 mm (6.7 inches)	75%	very high
October Weather	23°C (73°F)	122 mm (4.8 inches)	75%	very high
November Weather	16°C (61°F)	81 mm (3.2 inches)	79%	high
December Weather	14°C (58°F)	111 mm (4.4 inches)	83%	moderate