January Weather in Houston, Canada

Last updated: June 18, 2025

In January, the average temperature in Houston, Canada hovers around -8°C (17°F). However, be prepared for extremes, as temperatures can plunge to a frigid -41°C (-41°F) or rise to a milder 5°C (41°F). With an average precipitation of 78 mm (3.1 in) over 14 days, along with a staggering average humidity of 96%, this month promises a chilly and damp experience. Stay warm and dry!

January Temperature in Houston

In January in Houston, the average temperature is -8°C (17°F). The maximum can reach 5°C (41°F), while the minimum can dip as low as -41°C (-41°F). Travelers should be prepared for extremely cold conditions and dress accordingly to enjoy their visit.

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

The chart illustrates January temperature patterns in Houston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Houston, January typically has an average temperature of -8°C (17°F), with highs reaching up to 5°C (41°F) and lows dropping to around -41°C (-41°F).

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

January Precipitation in Houston

In Houston in January, the precipitation amount is 78 mm (3.1 in) over a period of 14 days.

January Precipitation Trends in Houston

The chart displays monthly precipitation patterns in Houston, 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 Houston, January typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 14 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 Houston

In Houston in January humidity is 96%. With an average temperature of -8°C (17°F), this humidity feels like a biting cold that seeps into your bones, making it challenging for traveling as the dampness clings to your clothes and the chill enhances the discomfort, turning what should be a brisk adventure into a struggle against the elements.

January Average Humidity in Houston

This chart illustrates the average monthly humidity levels in Houston, 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 Houston is approximately 96%, 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 Houston

In Houston in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Houston.

Maximum UV Index Levels in Houston for January

The chart shows the monthly maximum UV Index (UVI) for Houston 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 Houston typically reaches 1, which falls under the low exposure category.

Data source: Houston 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 Houston Compares to Other Months

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

This table compares monthly weather conditions in Houston, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	78 mm (3.1 inches)	96%	low
February Weather	-9°C (16°F)	57 mm (2.2 inches)	94%	low
March Weather	-3°C (27°F)	57 mm (2.3 inches)	93%	moderate
April Weather	1°C (34°F)	40 mm (1.6 inches)	91%	moderate
May Weather	8°C (46°F)	64 mm (2.5 inches)	88%	high
June Weather	11°C (52°F)	68 mm (2.7 inches)	84%	high
July Weather	13°C (56°F)	72 mm (2.8 inches)	87%	very high
August Weather	13°C (56°F)	52 mm (2.1 inches)	88%	high
September Weather	8°C (48°F)	93 mm (3.7 inches)	91%	high
October Weather	2°C (36°F)	101 mm (4.0 inches)	95%	moderate
November Weather	-2°C (29°F)	117 mm (4.6 inches)	98%	low
December Weather	-8°C (18°F)	67 mm (2.6 inches)	98%	low