January Weather in Green Valley, United States

Last updated: June 24, 2025

In January, the average temperature in Green Valley, United States hovers around -3°C (27°F), making it a chilly time of year. Temperatures can dip as low as -27°C (-16°F), while the warmth can reach a maximum of 16°C (62°F). Expect about 11 mm (0.5 in) of precipitation spread over 3 days, and enjoy a relatively high average humidity of 73%, adding to the winter's crisp ambiance.

January Temperature in Green Valley

In January in Green Valley, the average temperature is -3°C (27°F). Maximums can reach 16°C (62°F), while minimums can be as low as -27°C (-16°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for this cool climate.

January Weather in Green Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Green Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Green Valley, January typically has an average temperature of -3°C (27°F), with highs reaching up to 16°C (62°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in Green Valley

In Green Valley in January, the precipitation amount is 11 mm (0.5 in) spread over a duration of 3 days.

January Precipitation Trends in Green Valley

The chart displays monthly precipitation patterns in Green Valley, 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 Green Valley, January typically receives around 11 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.

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Millimeters (mm) Inches (in)

January Humidity in Green Valley

In Green Valley in January humidity is 73%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that numbs the skin, making it essential for travelers to bundle up in warm layers and be prepared for the dampness that seeps through clothing, potentially leading to an uncomfortable experience outdoors.

January Average Humidity in Green Valley

This chart illustrates the average monthly humidity levels in Green Valley, 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 Green Valley is approximately 73%, 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 Green Valley

In Green Valley 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 Green Valley, you can check the information here.

Maximum UV Index Levels in Green Valley for January

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

Data source: Green Valley 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 Green Valley Compares to Other Months

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

This table compares monthly weather conditions in Green Valley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	11 mm (0.5 inches)	73%	moderate
February Weather	-5°C (23°F)	21 mm (0.8 inches)	78%	moderate
March Weather	2°C (37°F)	38 mm (1.5 inches)	64%	high
April Weather	6°C (44°F)	62 mm (2.4 inches)	66%	very high
May Weather	13°C (55°F)	93 mm (3.7 inches)	74%	very high
June Weather	21°C (69°F)	56 mm (2.2 inches)	84%	extreme
July Weather	24°C (75°F)	69 mm (2.7 inches)	85%	extreme
August Weather	22°C (72°F)	34 mm (1.3 inches)	85%	very high
September Weather	18°C (64°F)	33 mm (1.3 inches)	76%	very high
October Weather	8°C (47°F)	48 mm (1.9 inches)	71%	moderate
November Weather	3°C (38°F)	13 mm (0.5 inches)	73%	moderate
December Weather	-1°C (30°F)	26 mm (1.0 inches)	75%	low