January Weather in Discovery Bay, United States

Last updated: June 24, 2025

In January, the average temperature in Discovery Bay, United States hovers around 10°C (50°F). You can expect a minimum dip to 0°C (32°F) and a pleasant maximum of 25°C (76°F). Prepare for some rain, as 101 mm (4.0 in) of precipitation can be expected over 8 days. With an average humidity of 82%, it's the perfect time to experience the lush beauty of the season!

January Temperature in Discovery Bay

In January in Discovery Bay, the average temperature is 10°C (50°F). Maximums can reach 25°C (76°F), and minimums can drop as low as 0°C (32°F). This makes Discovery Bay a great destination for travelers seeking mild weather and a pleasant outdoor experience.

January Weather in Discovery Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Discovery Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Discovery Bay, January typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (76°F) and lows dropping to around 0°C (32°F).

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

January Precipitation in Discovery Bay

In Discovery Bay in January, the precipitation amount is 101 mm (4.0 in) spread over 8 days.

January Precipitation Trends in Discovery Bay

The chart displays monthly precipitation patterns in Discovery Bay, 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 Discovery Bay, January typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 8 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 Discovery Bay

In Discovery Bay in January, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

January Average Humidity in Discovery Bay

This chart illustrates the average monthly humidity levels in Discovery Bay, 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 Discovery Bay is approximately 82%, 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 Discovery Bay

In Discovery Bay 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 Discovery Bay, you can check the information here.

Maximum UV Index Levels in Discovery Bay for January

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

Data source: Discovery Bay 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 Discovery Bay Compares to Other Months

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

This table compares monthly weather conditions in Discovery Bay, 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)	101 mm (4.0 inches)	82%	moderate
February Weather	12°C (53°F)	85 mm (3.3 inches)	84%	moderate
March Weather	14°C (57°F)	72 mm (2.8 inches)	82%	very high
April Weather	17°C (62°F)	34 mm (1.3 inches)	78%	very high
May Weather	20°C (68°F)	15 mm (0.6 inches)	71%	very high
June Weather	23°C (73°F)	1 mm (0.1 inches)	64%	extreme
July Weather	23°C (75°F)	0 mm (0.0 inches)	58%	extreme
August Weather	23°C (74°F)	0 mm (0.0 inches)	54%	very high
September Weather	22°C (72°F)	1 mm (0.0 inches)	55%	very high
October Weather	18°C (65°F)	28 mm (1.1 inches)	62%	high
November Weather	13°C (56°F)	38 mm (1.5 inches)	78%	moderate
December Weather	10°C (50°F)	85 mm (3.3 inches)	80%	moderate