January Weather in South Greeley, United States

Last updated: June 24, 2025

In South Greeley, United States, the average temperature in January hovers around -1°C (31°F). Expect chilly extremes, with minimums plummeting to -29°C (-20°F) and maximums reaching a mild 15°C (59°F). This month also sees a modest precipitation of 13 mm (0.5 in) spread over 3 days, paired with an average humidity of 72%, making for a crisp yet invigorating atmosphere.

January Temperature in South Greeley

In January in South Greeley, the average temperature is -1°C (31°F), with maximums reaching 15°C (59°F) and minimums dropping to as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly to enjoy all that South Greeley has to offer during this time.

January Weather in South Greeley: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in South Greeley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Greeley, January typically has an average temperature of -1°C (31°F), with highs reaching up to 15°C (59°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in South Greeley

In South Greeley in January, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

January Precipitation Trends in South Greeley

The chart displays monthly precipitation patterns in South Greeley, 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 South Greeley, January typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 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 South Greeley

In South Greeley in January humidity is 72%. With an average temperature of -1°C (31°F), this humidity feels like a chilling blanket that seeps into your clothes, making outdoor exploration quite uncomfortable and potentially frosty, so it's best to bundle up if you're venturing outside.

January Average Humidity in South Greeley

This chart illustrates the average monthly humidity levels in South Greeley, 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 South Greeley is approximately 72%, 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 South Greeley

In South Greeley 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 South Greeley for better planning.

Maximum UV Index Levels in South Greeley for January

The chart shows the monthly maximum UV Index (UVI) for South Greeley 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 South Greeley typically reaches 4, which falls under the moderate exposure category.

Data source: South Greeley 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 South Greeley Compares to Other Months

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

This table compares monthly weather conditions in South Greeley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	13 mm (0.5 inches)	72%	moderate
February Weather	-2°C (28°F)	19 mm (0.7 inches)	76%	high
March Weather	3°C (38°F)	51 mm (2.0 inches)	61%	high
April Weather	7°C (45°F)	46 mm (1.8 inches)	60%	very high
May Weather	12°C (54°F)	103 mm (4.1 inches)	74%	very high
June Weather	19°C (67°F)	44 mm (1.7 inches)	82%	extreme
July Weather	23°C (73°F)	34 mm (1.3 inches)	82%	extreme
August Weather	21°C (71°F)	32 mm (1.3 inches)	84%	extreme
September Weather	18°C (64°F)	18 mm (0.7 inches)	75%	very high
October Weather	8°C (47°F)	33 mm (1.3 inches)	73%	high
November Weather	4°C (40°F)	22 mm (0.9 inches)	74%	moderate
December Weather	1°C (33°F)	15 mm (0.6 inches)	77%	moderate