January Weather in Pasco, United States

Last updated: June 24, 2025

In January, the average temperature in Pasco, United States hovers around 2°C (36°F). Expect chilly nights with temperatures dipping to a minimum of -19°C (-2°F), while daytime highs can reach a pleasant 17°C (62°F). Be prepared for occasional showers, as the area sees about 39 mm (1.5 in) of precipitation over 9 days. With an average humidity of 85%, the air feels crisp and invigorating.

January Temperature in Pasco

In January in Pasco, the average temperature is 2°C (36°F). The maximum can reach 17°C (62°F), and the minimum can be as low as -19°C (-2°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

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

The chart illustrates January temperature patterns in Pasco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pasco, January typically has an average temperature of 2°C (36°F), with highs reaching up to 17°C (62°F) and lows dropping to around -19°C (-2°F).

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

January Precipitation in Pasco

In Pasco in January, the precipitation amount is 39 mm (1.5 in) spread over 9 days.

January Precipitation Trends in Pasco

The chart displays monthly precipitation patterns in Pasco, 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 Pasco, January typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 9 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 Pasco

In Pasco in January, humidity is 85%. With an average temperature of 2°C (36°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as the cold dampness seeps into your bones and fogs your breath.

January Average Humidity in Pasco

This chart illustrates the average monthly humidity levels in Pasco, 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 Pasco is approximately 85%, 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 Pasco

In Pasco in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Pasco, you can visit Hourly UV Index in Pasco.

Maximum UV Index Levels in Pasco for January

The chart shows the monthly maximum UV Index (UVI) for Pasco 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 Pasco typically reaches 2, which falls under the low exposure category.

Data source: Pasco 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 Pasco Compares to Other Months

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

This table compares monthly weather conditions in Pasco, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	39 mm (1.5 inches)	85%	low
February Weather	3°C (37°F)	45 mm (1.8 inches)	86%	moderate
March Weather	8°C (46°F)	32 mm (1.3 inches)	86%	moderate
April Weather	13°C (55°F)	26 mm (1.0 inches)	82%	high
May Weather	19°C (66°F)	15 mm (0.6 inches)	77%	very high
June Weather	23°C (74°F)	10 mm (0.4 inches)	79%	very high
July Weather	27°C (82°F)	0 mm (0.0 inches)	77%	very high
August Weather	27°C (80°F)	3 mm (0.1 inches)	62%	very high
September Weather	20°C (69°F)	12 mm (0.5 inches)	60%	high
October Weather	12°C (54°F)	27 mm (1.1 inches)	80%	moderate
November Weather	6°C (43°F)	37 mm (1.5 inches)	87%	moderate
December Weather	2°C (36°F)	35 mm (1.4 inches)	86%	low