March Weather in Umatilla, United States

Last updated: June 24, 2025

In March, the average temperature in Umatilla, United States hovers around 8°C (46°F). While temperatures can dip as low as -14°C (7°F), they may also rise to a pleasant 23°C (73°F). During this month, expect about 30 mm (1.2 in) of precipitation over approximately 7 days, with an average humidity of 85%.

March Temperature in Umatilla

In March, in Umatilla, the average temperature is 8°C (46°F). Maximum temperatures can reach 23°C (73°F), while the minimum can drop to as low as -14°C (7°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates March temperature patterns in Umatilla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Umatilla, March typically has an average temperature of 8°C (46°F), with highs reaching up to 23°C (73°F) and lows dropping to around -14°C (7°F).

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

March Precipitation in Umatilla

In Umatilla in March, the total precipitation amount is 30 mm (1.2 in) over a span of 7 days.

March Precipitation Trends in Umatilla

The chart displays monthly precipitation patterns in Umatilla, 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 Umatilla, March typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 7 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 Umatilla

In Umatilla 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 Umatilla

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

In Umatilla 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 Umatilla.

Maximum UV Index Levels in Umatilla for March

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

Data source: Umatilla 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 Umatilla Compares to Other Months

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

This table compares monthly weather conditions in Umatilla, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	35 mm (1.4 inches)	86%	low
February Weather	3°C (37°F)	46 mm (1.8 inches)	86%	moderate
March Weather	8°C (46°F)	30 mm (1.2 inches)	85%	moderate
April Weather	13°C (55°F)	24 mm (0.9 inches)	83%	high
May Weather	18°C (65°F)	15 mm (0.6 inches)	77%	very high
June Weather	23°C (73°F)	8 mm (0.3 inches)	81%	very high
July Weather	27°C (81°F)	0 mm (0.0 inches)	76%	very high
August Weather	26°C (79°F)	4 mm (0.1 inches)	60%	very high
September Weather	20°C (69°F)	9 mm (0.4 inches)	58%	high
October Weather	12°C (54°F)	26 mm (1.0 inches)	75%	moderate
November Weather	6°C (43°F)	34 mm (1.3 inches)	85%	moderate
December Weather	2°C (37°F)	33 mm (1.3 inches)	87%	low