March Weather in Joint Base Lewis McChord, United States

Last updated: June 24, 2025

In March, the average temperature in Joint Base Lewis McChord, United States hovers around 7°C (44°F), with minimums dipping to -3°C (26°F) and maximums reaching a pleasant 23°C (73°F). Expect about 136 mm (5.4 in) of precipitation over 18 days, contributing to an average humidity of 85%. Be prepared for a mix of weather conditions!

March Temperature in Joint Base Lewis McChord

In March in Joint Base Lewis McChord, the average temperature is 7°C (44°F). Maximums can reach 23°C (73°F) and minimums can be as low as -3°C (26°F). Be prepared for a range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates March 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, March typically has an average temperature of 7°C (44°F), with highs reaching up to 23°C (73°F) and lows dropping to around -3°C (26°F).

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

March Precipitation in Joint Base Lewis McChord

In Joint Base Lewis McChord in March, the total precipitation amount is 136 mm (5.4 in) spread over 18 days.

March Precipitation Trends in Joint Base Lewis McChord

The chart displays monthly precipitation patterns in Joint Base Lewis McChord, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Joint Base Lewis McChord, March typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 18 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Joint Base Lewis McChord

In Joint Base Lewis McChord in March, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

March Average Humidity in Joint Base Lewis McChord

This chart illustrates the average monthly humidity levels in Joint Base Lewis McChord, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Joint Base Lewis McChord is approximately 85%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Joint Base Lewis McChord

In Joint Base Lewis McChord in March, 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 Joint Base Lewis McChord.

Maximum UV Index Levels in Joint Base Lewis McChord for March

The chart shows the monthly maximum UV Index (UVI) for Joint Base Lewis McChord in March, 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 March, the maximum UV index in Joint Base Lewis McChord typically reaches 5, which falls under the moderate exposure category.

Data source: Joint Base Lewis McChord March 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 March 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 March’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 March’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