January Weather in Zachary, United States

Last updated: June 24, 2025

In January, the average temperature in Zachary, United States hovers around 11°C (52°F), creating a mild climate. However, temperatures can swing dramatically, with minimums dipping to -10°C (14°F) and highs reaching up to 27°C (81°F). Expect 119 mm (4.7 in) of precipitation spread over 8 days, contributing to an average humidity of 83%.

January Temperature in Zachary

In January in Zachary, the average temperature is 11°C (52°F). The maximum can reach 27°C (81°F) and the minimum can be as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack clothing suitable for both warm and cold weather.

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

The chart illustrates January temperature patterns in Zachary, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zachary, January typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -10°C (14°F).

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

January Precipitation in Zachary

In Zachary in January, the precipitation amount is 119 mm (4.7 in) over a span of 8 days.

January Precipitation Trends in Zachary

The chart displays monthly precipitation patterns in Zachary, 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 Zachary, January typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 8 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 Zachary

In Zachary in January humidity is 83%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leading travelers to seek shelter indoors or to dress in layered clothing to stay warm while exploring the area.

January Average Humidity in Zachary

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

In Zachary 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 Zachary.

Maximum UV Index Levels in Zachary for January

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

Data source: Zachary 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 Zachary Compares to Other Months

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

This table compares monthly weather conditions in Zachary, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	119 mm (4.7 inches)	83%	moderate
February Weather	14°C (57°F)	120 mm (4.7 inches)	83%	very high
March Weather	17°C (64°F)	95 mm (3.7 inches)	80%	very high
April Weather	19°C (67°F)	168 mm (6.6 inches)	81%	extreme
May Weather	24°C (75°F)	162 mm (6.4 inches)	81%	extreme
June Weather	26°C (80°F)	167 mm (6.6 inches)	78%	extreme
July Weather	27°C (82°F)	179 mm (7.0 inches)	79%	extreme
August Weather	27°C (81°F)	139 mm (5.5 inches)	79%	extreme
September Weather	26°C (79°F)	127 mm (5.0 inches)	79%	very high
October Weather	22°C (71°F)	110 mm (4.3 inches)	77%	very high
November Weather	15°C (59°F)	85 mm (3.3 inches)	85%	high
December Weather	13°C (55°F)	126 mm (4.9 inches)	88%	moderate