March Weather in Bellevue, United States

Last updated: June 24, 2025

In March, the average temperature in Bellevue, United States hovers around 7°C (46°F), with a minimum plunge to -1°C (31°F) and a occasional rise to a maximum of 22°C (72°F). This month sees about 126 mm (4.9 in) of precipitation spread over 17 days, contributing to an average humidity of 87%. Make sure to prepare for both chilly days and possible rain!

March Temperature in Bellevue

In March in Bellevue, the average temperature is 7°C (46°F). Maximum temperatures can reach up to 22°C (72°F), while the minimum can drop as low as -1°C (31°F). This makes it a great time for travelers to enjoy a mix of mild and cool weather while exploring the attractions in Bellevue.

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

The chart illustrates March temperature patterns in Bellevue, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bellevue, March typically has an average temperature of 7°C (46°F), with highs reaching up to 22°C (72°F) and lows dropping to around -1°C (31°F).

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

March Precipitation in Bellevue

In Bellevue in March, the total precipitation amounts to 126 mm (4.9 in) over the course of 17 days.

March Precipitation Trends in Bellevue

The chart displays monthly precipitation patterns in Bellevue, 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 Bellevue, March typically receives around 126 mm (4.9 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 Bellevue

In Bellevue in March humidity is 87%. With an average temperature of 7°C (46°F), this humidity feels like a chilly embrace, making traveling uncomfortable as the dampness seeps through layers of clothing, leaving you feeling cold and clammy.

March Average Humidity in Bellevue

This chart illustrates the average monthly humidity levels in Bellevue, 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 Bellevue is approximately 87%, 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 Bellevue

In Bellevue 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 Bellevue.

Maximum UV Index Levels in Bellevue for March

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

Data source: Bellevue 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 Bellevue Compares to Other Months

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

This table compares monthly weather conditions in Bellevue, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	175 mm (6.9 inches)	86%	low
February Weather	5°C (41°F)	177 mm (7.0 inches)	86%	moderate
March Weather	7°C (46°F)	126 mm (4.9 inches)	87%	moderate
April Weather	10°C (50°F)	117 mm (4.6 inches)	84%	high
May Weather	14°C (57°F)	68 mm (2.7 inches)	81%	very high
June Weather	17°C (62°F)	63 mm (2.5 inches)	82%	very high
July Weather	19°C (67°F)	18 mm (0.7 inches)	79%	very high
August Weather	19°C (67°F)	16 mm (0.6 inches)	63%	very high
September Weather	16°C (62°F)	100 mm (3.9 inches)	62%	high
October Weather	11°C (52°F)	155 mm (6.1 inches)	83%	moderate
November Weather	8°C (47°F)	181 mm (7.1 inches)	89%	low
December Weather	6°C (42°F)	196 mm (7.7 inches)	88%	low