January Weather in Callahan, United States

Last updated: June 24, 2025

In January, the average temperature in Callahan, United States hovers around 13°C (56°F), offering a mild climate. However, be prepared for a range as lows can dip to -5°C (24°F) and highs can soar to 28°C (83°F). With an average precipitation of 45 mm (1.8 in) over 4 days, and a humidity level of 84%, this month can feel quite moist and refreshing.

January Temperature in Callahan

In January in Callahan, the average temperature is 13°C (56°F), with maximums reaching 28°C (83°F) and minimums dipping as low as -5°C (24°F). This temperature range makes Callahan a versatile destination for travelers, offering opportunities for both warm-weather activities and cozy winter experiences.

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

The chart illustrates January temperature patterns in Callahan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Callahan, January typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (83°F) and lows dropping to around -5°C (24°F).

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

January Precipitation in Callahan

In Callahan in January, the total precipitation amount is 45 mm (1.8 in) over the course of 4 days.

January Precipitation Trends in Callahan

The chart displays monthly precipitation patterns in Callahan, 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 Callahan, January typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 4 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 Callahan

In Callahan in January, humidity is 84%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel cooler and more uncomfortable for traveling, as the air clings to your skin and weighs you down with a sense of heaviness.

January Average Humidity in Callahan

This chart illustrates the average monthly humidity levels in Callahan, 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 Callahan 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 Callahan

In Callahan 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 Callahan.

Maximum UV Index Levels in Callahan for January

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

Data source: Callahan 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 Callahan Compares to Other Months

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

This table compares monthly weather conditions in Callahan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	45 mm (1.8 inches)	84%	moderate
February Weather	16°C (61°F)	69 mm (2.7 inches)	79%	high
March Weather	18°C (64°F)	41 mm (1.6 inches)	78%	very high
April Weather	21°C (70°F)	66 mm (2.6 inches)	72%	extreme
May Weather	24°C (76°F)	86 mm (3.4 inches)	72%	extreme
June Weather	26°C (80°F)	170 mm (6.7 inches)	74%	extreme
July Weather	27°C (81°F)	196 mm (7.7 inches)	82%	extreme
August Weather	27°C (81°F)	190 mm (7.5 inches)	82%	extreme
September Weather	26°C (80°F)	157 mm (6.2 inches)	83%	very high
October Weather	23°C (74°F)	74 mm (2.9 inches)	79%	very high
November Weather	17°C (63°F)	64 mm (2.5 inches)	82%	high
December Weather	14°C (58°F)	85 mm (3.3 inches)	85%	moderate