January Weather in Crystal City, United States

Last updated: June 24, 2025

In Crystal City, United States, the average temperature in January hovers around 13°C (56°F). Prepare for a temperature range where the minimum can dip to -5°C (23°F), while the maximum soars to 32°C (90°F). Expect 21 mm (0.8 in) of precipitation spread across 4 days, accompanied by an average humidity of 79%.

January Temperature in Crystal City

In January in Crystal City, the average temperature is 13°C (56°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as -5°C (23°F). Be prepared for a wide range of temperatures when traveling during this time.

January Weather in Crystal City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Crystal City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crystal City, January typically has an average temperature of 13°C (56°F), with highs reaching up to 32°C (90°F) and lows dropping to around -5°C (23°F).

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

January Precipitation in Crystal City

In Crystal City in January, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

January Precipitation Trends in Crystal City

The chart displays monthly precipitation patterns in Crystal City, 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 Crystal City, January typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 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 Crystal City

In Crystal City in January, humidity is 79%. With an average temperature of 13°C (56°F), this humidity feels like a damp, cool blanket wrapping around you, making traveling slightly uncomfortable and requiring you to dress in layers to stay comfortable while exploring.

January Average Humidity in Crystal City

This chart illustrates the average monthly humidity levels in Crystal City, 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 Crystal City is approximately 79%, 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 Crystal City

In Crystal City 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 Crystal City.

Maximum UV Index Levels in Crystal City for January

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

Data source: Crystal City 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 Crystal City Compares to Other Months

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

This table compares monthly weather conditions in Crystal City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	21 mm (0.8 inches)	79%	moderate
February Weather	15°C (59°F)	30 mm (1.2 inches)	79%	very high
March Weather	21°C (69°F)	25 mm (1.0 inches)	74%	very high
April Weather	24°C (75°F)	58 mm (2.3 inches)	76%	extreme
May Weather	27°C (82°F)	101 mm (4.0 inches)	81%	extreme
June Weather	30°C (87°F)	37 mm (1.4 inches)	76%	extreme
July Weather	32°C (89°F)	40 mm (1.6 inches)	66%	extreme
August Weather	32°C (90°F)	39 mm (1.5 inches)	58%	extreme
September Weather	29°C (84°F)	118 mm (4.7 inches)	65%	extreme
October Weather	24°C (75°F)	63 mm (2.5 inches)	74%	very high
November Weather	18°C (64°F)	33 mm (1.3 inches)	81%	high
December Weather	15°C (59°F)	25 mm (1.0 inches)	86%	moderate