March Weather in Siletz, United States

Last updated: June 24, 2025

In March, the average temperature in Siletz, United States hovers around 8°C (46°F), with a chilly minimum of 0°C (32°F) and a pleasant maximum reaching 18°C (64°F). Expect a fair amount of precipitation, totaling 191 mm (7.5 in) spread over 18 days. The climate is characterized by relatively high humidity, averaging 85%, making it essential to pack accordingly!

March Temperature in Siletz

In March in Siletz, the average temperature is 8°C (46°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop to as low as 0°C (32°F). Travelers should be prepared for a cool to mild climate, making it a great time to explore the area's attractions while layering up for cooler evenings.

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

The chart illustrates March temperature patterns in Siletz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siletz, March typically has an average temperature of 8°C (46°F), with highs reaching up to 18°C (64°F) and lows dropping to around 0°C (32°F).

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

March Precipitation in Siletz

In Siletz in March, the total precipitation amount is 191 mm (7.5 in), occurring over a span of 18 days.

March Precipitation Trends in Siletz

The chart displays monthly precipitation patterns in Siletz, 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 Siletz, March typically receives around 191 mm (7.5 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 Siletz

In Siletz in March humidity is 85%. With an average temperature of 8°C (46°F), this humidity feels like a cold, damp embrace that can leave travelers feeling chilled and uncomfortable, making outdoor exploration less appealing and encouraging the search for cozy indoor activities instead.

March Average Humidity in Siletz

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

In Siletz in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Siletz, you can refer to this Hourly UV Index in Siletz.

Maximum UV Index Levels in Siletz for March

The chart shows the monthly maximum UV Index (UVI) for Siletz 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 Siletz typically reaches 6, which falls under the high exposure category.

Data source: Siletz 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 Siletz Compares to Other Months

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

This table compares monthly weather conditions in Siletz, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	271 mm (10.7 inches)	85%	low
February Weather	7°C (44°F)	248 mm (9.8 inches)	84%	moderate
March Weather	8°C (46°F)	191 mm (7.5 inches)	85%	high
April Weather	9°C (49°F)	158 mm (6.2 inches)	83%	high
May Weather	11°C (52°F)	74 mm (2.9 inches)	83%	very high
June Weather	13°C (56°F)	62 mm (2.4 inches)	83%	very high
July Weather	15°C (58°F)	9 mm (0.4 inches)	82%	very high
August Weather	15°C (59°F)	13 mm (0.5 inches)	74%	very high
September Weather	14°C (58°F)	71 mm (2.8 inches)	71%	high
October Weather	12°C (54°F)	151 mm (5.9 inches)	81%	moderate
November Weather	10°C (50°F)	254 mm (10.0 inches)	87%	moderate
December Weather	8°C (46°F)	292 mm (11.5 inches)	87%	low