January Weather in Keystone Heights, United States

Last updated: June 24, 2025

In January, the average temperature in Keystone Heights, United States hovers around 14°C (57°F). While the mercury can dip as low as -4°C (24°F), it can also soar to a pleasant 28°C (83°F). Expect about 44 mm (1.7 in) of precipitation spread across 5 days, contributing to an average humidity of 83%, perfect for those who love a bit of moisture in the air!

January Temperature in Keystone Heights

In January in Keystone Heights, the average temperature is 14°C (57°F), with maximums reaching up to 28°C (83°F) and minimums dropping as low as -4°C (24°F). This range indicates that travelers should be prepared for both warm and cool weather, making it essential to pack accordingly for their trip.

January Weather in Keystone Heights: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Keystone Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keystone Heights, January typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around -4°C (24°F).

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

January Precipitation in Keystone Heights

In Keystone Heights in January, the precipitation amount is 44 mm (1.7 in) over the course of 5 days.

January Precipitation Trends in Keystone Heights

The chart displays monthly precipitation patterns in Keystone Heights, 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 Keystone Heights, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 5 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 Keystone Heights

In Keystone Heights in January, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.

January Average Humidity in Keystone Heights

This chart illustrates the average monthly humidity levels in Keystone Heights, 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 Keystone Heights is approximately 83%, 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 Keystone Heights

In Keystone Heights 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 Keystone Heights.

Maximum UV Index Levels in Keystone Heights for January

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

Data source: Keystone Heights 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 Keystone Heights Compares to Other Months

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

This table compares monthly weather conditions in Keystone Heights, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	44 mm (1.7 inches)	83%	moderate
February Weather	17°C (63°F)	62 mm (2.5 inches)	80%	very high
March Weather	18°C (65°F)	41 mm (1.6 inches)	75%	very high
April Weather	21°C (70°F)	81 mm (3.2 inches)	70%	extreme
May Weather	24°C (76°F)	103 mm (4.1 inches)	68%	extreme
June Weather	26°C (80°F)	163 mm (6.4 inches)	75%	extreme
July Weather	27°C (81°F)	190 mm (7.5 inches)	79%	extreme
August Weather	27°C (81°F)	177 mm (7.0 inches)	81%	extreme
September Weather	26°C (80°F)	133 mm (5.2 inches)	83%	very high
October Weather	24°C (75°F)	78 mm (3.1 inches)	81%	very high
November Weather	18°C (64°F)	62 mm (2.4 inches)	82%	high
December Weather	15°C (60°F)	80 mm (3.1 inches)	84%	moderate