January Weather in Holtville, United States

Last updated: June 24, 2025

In Holtville, United States, the average temperature for January hovers around 15°C (59°F). Expect a comfortable range with a minimum of 2°C (36°F) and a maximum of 29°C (85°F). During this month, precipitation accumulates to about 10 mm (0.4 in) over approximately 2 days, while the average humidity stands at a steady 72%.

January Temperature in Holtville

In January in Holtville, the average temperature is 15°C (59°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as 2°C (36°F). This makes Holtville an ideal destination for travelers seeking pleasant and varied weather.

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

The chart illustrates January temperature patterns in Holtville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Holtville, January typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (36°F).

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

January Precipitation in Holtville

In Holtville in January, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

January Precipitation Trends in Holtville

The chart displays monthly precipitation patterns in Holtville, 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 Holtville, January typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 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 Holtville

In Holtville in January humidity is 72%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket wrapping around you, creating a sultry atmosphere that can make traveling a bit uncomfortable. The stickiness in the air can leave you feeling sluggish, so it’s advisable to stay hydrated and take breaks often while exploring.

January Average Humidity in Holtville

This chart illustrates the average monthly humidity levels in Holtville, 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 Holtville is approximately 72%, 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 Holtville

In Holtville in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Holtville for better planning.

Maximum UV Index Levels in Holtville for January

The chart shows the monthly maximum UV Index (UVI) for Holtville 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 Holtville typically reaches 4, which falls under the moderate exposure category.

Data source: Holtville 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 Holtville Compares to Other Months

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

This table compares monthly weather conditions in Holtville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	10 mm (0.4 inches)	72%	moderate
February Weather	16°C (62°F)	15 mm (0.6 inches)	77%	high
March Weather	20°C (68°F)	10 mm (0.4 inches)	67%	very high
April Weather	24°C (76°F)	4 mm (0.2 inches)	56%	very high
May Weather	27°C (82°F)	1 mm (0.1 inches)	46%	extreme
June Weather	33°C (91°F)	0 mm (0.0 inches)	48%	extreme
July Weather	36°C (98°F)	8 mm (0.3 inches)	46%	extreme
August Weather	36°C (98°F)	6 mm (0.3 inches)	42%	extreme
September Weather	32°C (90°F)	9 mm (0.4 inches)	52%	very high
October Weather	25°C (78°F)	3 mm (0.1 inches)	58%	high
November Weather	19°C (67°F)	4 mm (0.2 inches)	66%	moderate
December Weather	14°C (58°F)	10 mm (0.4 inches)	74%	moderate