January Weather in Monte Rio, United States

Last updated: June 24, 2025

In January, the average temperature in Monte Rio, United States hovers around 10°C (50°F), offering a mild climate for visitors. Expect a minimum chill of -1°C (30°F) and a pleasant maximum of 25°C (77°F). Be prepared for some rain, as the region experiences approximately 140 mm (5.5 in) of precipitation over 9 days, contributing to an average humidity level of 86%.

January Temperature in Monte Rio

In January in Monte Rio, the average temperature is 10°C (50°F), with maximums reaching 25°C (77°F) and minimums dipping as low as -1°C (30°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities, from cozy strolls to invigorating hikes.

January Weather in Monte Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Monte Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Rio, January typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Monte Rio

In Monte Rio in January, the total precipitation amount is 140 mm (5.5 in) spread over a span of 9 days.

January Precipitation Trends in Monte Rio

The chart displays monthly precipitation patterns in Monte Rio, 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 Monte Rio, January typically receives around 140 mm (5.5 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 Monte Rio

In Monte Rio in January humidity is 86%. With an average temperature of 10°C (50°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, which can dampen the spirit of travel.

January Average Humidity in Monte Rio

This chart illustrates the average monthly humidity levels in Monte Rio, 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 Monte Rio is approximately 86%, 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 Monte Rio

In Monte Rio in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Monte Rio, you can check the information here.

Maximum UV Index Levels in Monte Rio for January

The chart shows the monthly maximum UV Index (UVI) for Monte Rio 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 Monte Rio typically reaches 3, which falls under the moderate exposure category.

Data source: Monte Rio 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 Monte Rio Compares to Other Months

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

This table compares monthly weather conditions in Monte Rio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	140 mm (5.5 inches)	86%	moderate
February Weather	10°C (51°F)	157 mm (6.2 inches)	84%	moderate
March Weather	11°C (52°F)	96 mm (3.8 inches)	83%	high
April Weather	13°C (57°F)	47 mm (1.9 inches)	80%	very high
May Weather	16°C (60°F)	30 mm (1.2 inches)	80%	very high
June Weather	19°C (67°F)	2 mm (0.1 inches)	76%	extreme
July Weather	20°C (68°F)	0 mm (0.0 inches)	70%	extreme
August Weather	20°C (68°F)	0 mm (0.0 inches)	66%	very high
September Weather	19°C (67°F)	2 mm (0.1 inches)	68%	very high
October Weather	16°C (62°F)	43 mm (1.7 inches)	72%	high
November Weather	12°C (54°F)	61 mm (2.4 inches)	84%	moderate
December Weather	9°C (49°F)	102 mm (4.0 inches)	84%	moderate