January Weather in Black Diamond, United States

Last updated: June 24, 2025

In January, the average temperature in Black Diamond, United States hovers around 15°C (59°F). However, be prepared for a bit of a chill, as the minimum can dip to -4°C (24°F), while the maximum can reach a warm 29°C (84°F). Expect 47 mm (1.9 in) of precipitation spread over 5 days, contributing to a fairly high average humidity of 83%.

January Temperature in Black Diamond

In January in Black Diamond, the average temperature is 15°C (59°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as -4°C (24°F). It's advisable to pack layers to accommodate both warm days and chilly nights while traveling.

January Weather in Black Diamond: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Black Diamond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black Diamond, January typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (24°F).

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

January Precipitation in Black Diamond

In Black Diamond in January, the precipitation amount is 47 mm (1.9 in) spread over a duration of 5 days.

January Precipitation Trends in Black Diamond

The chart displays monthly precipitation patterns in Black Diamond, 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 Black Diamond, January typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 5 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 Black Diamond

In Black Diamond in January humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.

January Average Humidity in Black Diamond

This chart illustrates the average monthly humidity levels in Black Diamond, 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 Black Diamond is approximately 83%, 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 Black Diamond

In Black Diamond in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Black Diamond.

Maximum UV Index Levels in Black Diamond for January

The chart shows the monthly maximum UV Index (UVI) for Black Diamond 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 Black Diamond typically reaches 5, which falls under the moderate exposure category.

Data source: Black Diamond 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 Black Diamond Compares to Other Months

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

This table compares monthly weather conditions in Black Diamond, 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)	47 mm (1.9 inches)	83%	moderate
February Weather	18°C (65°F)	60 mm (2.4 inches)	82%	very high
March Weather	19°C (67°F)	25 mm (1.0 inches)	78%	very high
April Weather	22°C (72°F)	92 mm (3.6 inches)	77%	extreme
May Weather	25°C (78°F)	109 mm (4.3 inches)	75%	extreme
June Weather	27°C (81°F)	172 mm (6.8 inches)	76%	extreme
July Weather	27°C (82°F)	217 mm (8.5 inches)	79%	extreme
August Weather	28°C (82°F)	209 mm (8.2 inches)	78%	extreme
September Weather	27°C (81°F)	149 mm (5.8 inches)	83%	very high
October Weather	25°C (77°F)	82 mm (3.2 inches)	81%	very high
November Weather	19°C (67°F)	47 mm (1.8 inches)	83%	high
December Weather	16°C (62°F)	86 mm (3.4 inches)	86%	moderate