January Weather in Casey, United States

Last updated: June 24, 2025

In Casey, United States, the average temperature in January hovers around 0°C (31°F), with a minimum dipping as low as -23°C (-9°F) and a maximum reaching up to 19°C (67°F). Expect about 84 mm (3.3 in) of precipitation spread over 9 days, contributing to an average humidity of 84%. Stay prepared for a chilly and wet month!

January Temperature in Casey

In January in Casey, the average temperature is 0°C (31°F). Maximum temperatures can reach 19°C (67°F), while minimums may drop as low as -23°C (-9°F). Whether you're looking for winter sports or a mild escape, it's essential to prepare for both cold snaps and warmer days during your travels.

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

The chart illustrates January temperature patterns in Casey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casey, January typically has an average temperature of 0°C (31°F), with highs reaching up to 19°C (67°F) and lows dropping to around -23°C (-9°F).

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

January Precipitation in Casey

In Casey in January, the precipitation amount is 84 mm (3.3 in) spread over 9 days.

January Precipitation Trends in Casey

The chart displays monthly precipitation patterns in Casey, 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 Casey, January typically receives around 84 mm (3.3 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 Casey

In Casey in January humidity is 84%. With an average temperature of 0°C (31°F), this humidity feels like a cold, damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the thick air.

January Average Humidity in Casey

This chart illustrates the average monthly humidity levels in Casey, 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 Casey is approximately 84%, 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 Casey

In Casey 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 Casey, you can check the information here.

Maximum UV Index Levels in Casey for January

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

Data source: Casey 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 Casey Compares to Other Months

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

This table compares monthly weather conditions in Casey, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	84 mm (3.3 inches)	84%	moderate
February Weather	1°C (35°F)	90 mm (3.5 inches)	82%	moderate
March Weather	7°C (45°F)	126 mm (4.9 inches)	84%	high
April Weather	12°C (54°F)	116 mm (4.6 inches)	83%	very high
May Weather	19°C (67°F)	135 mm (5.3 inches)	80%	very high
June Weather	24°C (76°F)	108 mm (4.2 inches)	83%	extreme
July Weather	26°C (79°F)	117 mm (4.6 inches)	82%	very high
August Weather	24°C (76°F)	108 mm (4.3 inches)	82%	very high
September Weather	22°C (72°F)	67 mm (2.6 inches)	79%	very high
October Weather	15°C (59°F)	105 mm (4.1 inches)	79%	high
November Weather	6°C (43°F)	93 mm (3.7 inches)	88%	moderate
December Weather	3°C (37°F)	78 mm (3.1 inches)	87%	moderate