March Weather in North Portland, United States

Last updated: June 24, 2025

In March, the average temperature in North Portland, United States hovers around 8°C (46°F), with a minimum dipping to -4°C (26°F) and a maximum reaching 24°C (75°F). Expect 135 mm (5.3 in) of precipitation spread over 17 days, alongside a high average humidity of 85%. So, pack your umbrella and layers for a cozy adventure!

March Temperature in North Portland

In March in North Portland, the average temperature is 8°C (46°F). Maximums can reach 24°C (75°F) and minimums can be as low as -4°C (26°F). It's a time to pack layers and be prepared for a mix of cool and warmer days during your travels.

March Weather in North Portland: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in North Portland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Portland, March typically has an average temperature of 8°C (46°F), with highs reaching up to 24°C (75°F) and lows dropping to around -4°C (26°F).

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

March Precipitation in North Portland

In North Portland in March, the precipitation amount is 135 mm (5.3 in) spread over 17 days.

March Precipitation Trends in North Portland

The chart displays monthly precipitation patterns in North Portland, 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 North Portland, March typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 17 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in North Portland

In North Portland 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 North Portland

This chart illustrates the average monthly humidity levels in North Portland, 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 North Portland 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 North Portland

In North Portland 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 North Portland.

Maximum UV Index Levels in North Portland for March

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

Data source: North Portland 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 North Portland Compares to Other Months

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

This table compares monthly weather conditions in North Portland, 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 (42°F)	163 mm (6.4 inches)	85%	low
February Weather	5°C (41°F)	172 mm (6.8 inches)	84%	moderate
March Weather	8°C (46°F)	135 mm (5.3 inches)	85%	moderate
April Weather	11°C (51°F)	117 mm (4.6 inches)	83%	high
May Weather	14°C (58°F)	58 mm (2.3 inches)	83%	very high
June Weather	18°C (64°F)	46 mm (1.8 inches)	83%	very high
July Weather	21°C (69°F)	6 mm (0.2 inches)	82%	very high
August Weather	21°C (70°F)	8 mm (0.3 inches)	74%	very high
September Weather	18°C (64°F)	62 mm (2.4 inches)	71%	high
October Weather	12°C (53°F)	105 mm (4.1 inches)	81%	moderate
November Weather	8°C (47°F)	155 mm (6.1 inches)	87%	moderate
December Weather	5°C (41°F)	183 mm (7.2 inches)	87%	low