January Weather in Upper Lake, United States

Last updated: June 24, 2025

In January, the average temperature in Upper Lake, United States hovers around 7°C (44°F), with a wide range that sees lows of -5°C (23°F) and highs reaching 23°C (73°F). This month brings about 164 mm (6.5 in) of precipitation over 12 days, coupled with a notable average humidity of 86%. Prepare for a varied and damp climate when visiting!

January Temperature in Upper Lake

In January in Upper Lake, the average temperature is 7°C (44°F). Maximum temperatures can reach 23°C (73°F), while minimums can drop as low as -5°C (23°F). Be prepared for a range of temperatures when traveling this time of year to Upper Lake.

January Weather in Upper Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Upper Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Upper Lake, January typically has an average temperature of 7°C (44°F), with highs reaching up to 23°C (73°F) and lows dropping to around -5°C (23°F).

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

January Precipitation in Upper Lake

In Upper Lake in January, the precipitation amount is 164 mm (6.5 in) over the course of 12 days.

January Precipitation Trends in Upper Lake

The chart displays monthly precipitation patterns in Upper Lake, 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 Upper Lake, January typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 12 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 Upper Lake

In Upper Lake in January, humidity is 86%. With an average temperature of 7°C (44°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite uninviting.

January Average Humidity in Upper Lake

This chart illustrates the average monthly humidity levels in Upper Lake, 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 Upper Lake 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 Upper Lake

In Upper Lake 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 Upper Lake, you can check the information here.

Maximum UV Index Levels in Upper Lake for January

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

Data source: Upper Lake 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 Upper Lake Compares to Other Months

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

This table compares monthly weather conditions in Upper Lake, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	164 mm (6.5 inches)	86%	moderate
February Weather	7°C (46°F)	167 mm (6.6 inches)	84%	moderate
March Weather	8°C (47°F)	119 mm (4.7 inches)	83%	high
April Weather	12°C (53°F)	65 mm (2.6 inches)	80%	very high
May Weather	15°C (59°F)	47 mm (1.9 inches)	80%	extreme
June Weather	20°C (69°F)	4 mm (0.1 inches)	76%	extreme
July Weather	24°C (76°F)	0 mm (0.0 inches)	70%	extreme
August Weather	24°C (75°F)	2 mm (0.1 inches)	66%	very high
September Weather	20°C (69°F)	6 mm (0.2 inches)	68%	very high
October Weather	15°C (60°F)	52 mm (2.0 inches)	72%	high
November Weather	10°C (50°F)	80 mm (3.2 inches)	84%	moderate
December Weather	7°C (44°F)	110 mm (4.3 inches)	84%	moderate