March Weather in Brinnon, United States

Last updated: June 24, 2025

In Brinnon, United States, the average temperature in March hovers around 4°C (39°F). Prepare for chilly conditions, as temperatures can drop to a minimum of -8°C (18°F), while occasionally reaching a maximum of 18°C (65°F). Expect 132 mm (5.2 in) of precipitation spread over 19 days, contributing to an average humidity level of 85%. Stay warm and dry!

March Temperature in Brinnon

In March in Brinnon, the average temperature is 4°C (39°F). Maximums can reach 18°C (65°F), while minimums can drop as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

March Weather in Brinnon: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Brinnon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brinnon, March typically has an average temperature of 4°C (39°F), with highs reaching up to 18°C (65°F) and lows dropping to around -8°C (18°F).

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

March Precipitation in Brinnon

In Brinnon in March, the precipitation amount is 132 mm (5.2 in) over the course of 19 days.

March Precipitation Trends in Brinnon

The chart displays monthly precipitation patterns in Brinnon, 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 Brinnon, March typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 19 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 Brinnon

In Brinnon in March, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.

March Average Humidity in Brinnon

This chart illustrates the average monthly humidity levels in Brinnon, 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 Brinnon 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 Brinnon

In Brinnon 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 Brinnon.

Maximum UV Index Levels in Brinnon for March

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

Data source: Brinnon 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 Brinnon Compares to Other Months

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

This table compares monthly weather conditions in Brinnon, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	203 mm (8.0 inches)	86%	low
February Weather	2°C (36°F)	153 mm (6.0 inches)	84%	moderate
March Weather	4°C (39°F)	132 mm (5.2 inches)	85%	moderate
April Weather	7°C (44°F)	118 mm (4.7 inches)	83%	high
May Weather	11°C (52°F)	94 mm (3.7 inches)	84%	very high
June Weather	14°C (57°F)	105 mm (4.1 inches)	84%	very high
July Weather	17°C (63°F)	45 mm (1.8 inches)	82%	very high
August Weather	18°C (64°F)	40 mm (1.6 inches)	73%	very high
September Weather	14°C (58°F)	114 mm (4.5 inches)	74%	high
October Weather	9°C (48°F)	155 mm (6.1 inches)	83%	moderate
November Weather	6°C (42°F)	206 mm (8.1 inches)	86%	moderate
December Weather	3°C (37°F)	207 mm (8.1 inches)	87%	low