January Weather in Zion, United States

Last updated: June 24, 2025

In January, the average temperature in Zion, United States hovers around -2°C (28°F). However, be prepared for a wide range, as minimums can plunge to -27°C (-17°F), and highs may reach up to 17°C (63°F). This month typically sees 71 mm (2.8 in) of precipitation, spread over 9 days, with an average humidity of a notable 89%.

January Temperature in Zion

In January in Zion, the average temperature is -2°C (28°F). Maximum temperatures can reach up to 17°C (63°F), while the minimum can drop as low as -27°C (-17°F). It's advisable to pack warm clothing for your trip, as temperatures can vary significantly during this time.

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

The chart illustrates January temperature patterns in Zion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zion, January typically has an average temperature of -2°C (28°F), with highs reaching up to 17°C (63°F) and lows dropping to around -27°C (-17°F).

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

January Precipitation in Zion

In Zion in January, the precipitation amount is 71 mm (2.8 in) spread over 9 days.

January Precipitation Trends in Zion

The chart displays monthly precipitation patterns in Zion, 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 Zion, January typically receives around 71 mm (2.8 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 Zion

In Zion in January, humidity is 89%. With an average temperature of -2°C (28°F), this humidity feels like a heavy blanket, making it difficult to stay warm while traveling outdoors.

January Average Humidity in Zion

This chart illustrates the average monthly humidity levels in Zion, 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 Zion is approximately 89%, 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 Zion

In Zion 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 Zion, you can check the information here.

Maximum UV Index Levels in Zion for January

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

Data source: Zion 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 Zion Compares to Other Months

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

This table compares monthly weather conditions in Zion, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	71 mm (2.8 inches)	89%	moderate
February Weather	-1°C (31°F)	104 mm (4.1 inches)	90%	moderate
March Weather	3°C (38°F)	89 mm (3.5 inches)	89%	high
April Weather	9°C (48°F)	110 mm (4.3 inches)	88%	very high
May Weather	15°C (59°F)	135 mm (5.3 inches)	80%	very high
June Weather	20°C (68°F)	100 mm (4.0 inches)	79%	very high
July Weather	23°C (73°F)	127 mm (5.0 inches)	74%	very high
August Weather	22°C (72°F)	99 mm (3.9 inches)	64%	very high
September Weather	18°C (65°F)	119 mm (4.7 inches)	67%	very high
October Weather	12°C (55°F)	114 mm (4.5 inches)	81%	high
November Weather	4°C (40°F)	83 mm (3.3 inches)	89%	moderate
December Weather	1°C (33°F)	91 mm (3.6 inches)	88%	low