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March Weather in Bellevue, United States

Last updated: June 24, 2025

In Bellevue, United States, the average temperature in March hovers around 3°C (37°F), with a minimum dipping as low as -20°C (-3°F) and a maximum climbing to 24°C (75°F). Expect about 75 mm (3.0 in) of precipitation spread over 10 days, accompanied by a high average humidity of 86%. Prepare for a month of diverse weather!

March Temperature in Bellevue

In March in Bellevue, the average temperature is 3°C (37°F). The maximum can reach 24°C (75°F) and the minimum can be as low as -20°C (-3°F). It's advisable to pack layers and be prepared for a wide range of temperatures while traveling.

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 3°C (37°F), with highs reaching up to 24°C (75°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070757265533932
Data source: Temperature data for Bellevue generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Bellevue

In Bellevue in March, the precipitation amount is 75 mm (3.0 in) spread over a duration of 10 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 75 mm (3.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6874759114010296711011286863
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Bellevue

In Bellevue in March humidity is 86%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Bellevue, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
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.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)68 mm (2.7 inches)87%low
February Weather-3°C (27°F)74 mm (2.9 inches)87%moderate
March Weather3°C (37°F)75 mm (3.0 inches)86%high
April Weather8°C (47°F)91 mm (3.6 inches)87%very high
May Weather16°C (60°F)140 mm (5.5 inches)82%very high
June Weather21°C (70°F)102 mm (4.0 inches)81%very high
July Weather24°C (75°F)96 mm (3.8 inches)78%very high
August Weather22°C (72°F)71 mm (2.8 inches)79%very high
September Weather19°C (66°F)101 mm (4.0 inches)79%high
October Weather12°C (53°F)127 mm (5.0 inches)82%moderate
November Weather4°C (39°F)68 mm (2.7 inches)87%moderate
December Weather0°C (33°F)63 mm (2.5 inches)86%low

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