February Weather in Joint Base Lewis McChord, United States

Last updated: June 24, 2025

In February, the average temperature in Joint Base Lewis McChord, United States hovers around 4°C (40°F). Expect chilly nights with a minimum temperature dropping to -10°C (15°F), while the days may warm up to a pleasant 14°C (58°F). Be prepared for 189 mm (7.4 in) of precipitation over 18 days, contributing to an average humidity of 84%.

February Temperature in Joint Base Lewis McChord

In February in Joint Base Lewis McChord, the average temperature is 4°C (40°F). Maximums can reach 14°C (58°F), while minimums can drop to as low as -10°C (15°F). Travelers should be prepared for a chilly climate with the possibility of both mild and freezing temperatures during their visit.

February Weather in Joint Base Lewis McChord: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Joint Base Lewis McChord, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joint Base Lewis McChord, February typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (58°F) and lows dropping to around -10°C (15°F).

Data source: Temperature data for Joint Base Lewis McChord generated using information from the Copernicus Climate Change Service.

February Precipitation in Joint Base Lewis McChord

In Joint Base Lewis McChord in February, the total precipitation amount is 189 mm (7.4 in) spread over a period of 18 days.

February Precipitation Trends in Joint Base Lewis McChord

The chart displays monthly precipitation patterns in Joint Base Lewis McChord, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Joint Base Lewis McChord, February typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in Joint Base Lewis McChord

In Joint Base Lewis McChord in February, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

February Average Humidity in Joint Base Lewis McChord

This chart illustrates the average monthly humidity levels in Joint Base Lewis McChord, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Joint Base Lewis McChord is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Joint Base Lewis McChord

In Joint Base Lewis McChord in February, 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 Joint Base Lewis McChord, you can check the information here.

Maximum UV Index Levels in Joint Base Lewis McChord for February

The chart shows the monthly maximum UV Index (UVI) for Joint Base Lewis McChord in February, 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 February, the maximum UV index in Joint Base Lewis McChord typically reaches 3, which falls under the moderate exposure category.

Data source: Joint Base Lewis McChord February 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 February Weather in Joint Base Lewis McChord Compares to Other Months

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

This table compares monthly weather conditions in Joint Base Lewis McChord, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	183 mm (7.2 inches)	86%	low
February Weather	4°C (40°F)	189 mm (7.4 inches)	84%	moderate
March Weather	7°C (44°F)	136 mm (5.4 inches)	85%	moderate
April Weather	9°C (49°F)	118 mm (4.7 inches)	83%	high
May Weather	13°C (55°F)	68 mm (2.7 inches)	84%	very high
June Weather	16°C (60°F)	58 mm (2.3 inches)	84%	very high
July Weather	18°C (65°F)	11 mm (0.4 inches)	82%	very high
August Weather	18°C (66°F)	13 mm (0.5 inches)	73%	very high
September Weather	16°C (60°F)	90 mm (3.5 inches)	74%	high
October Weather	10°C (51°F)	142 mm (5.6 inches)	83%	moderate
November Weather	7°C (45°F)	180 mm (7.1 inches)	86%	moderate
December Weather	5°C (41°F)	201 mm (7.9 inches)	87%	low