March Weather in Sumner, United States

Last updated: June 24, 2025

In Sumner, United States, the average temperature in March hovers around 8°C (47°F). Expect chilly moments with minimum temperatures dipping as low as -15°C (6°F), while the mercury can rise up to a pleasant 24°C (75°F). This month sees about 133 mm (5.2 in) of precipitation over 13 days, contributing to a high average humidity of 84%. Make sure to pack accordingly!

March Temperature in Sumner

In March in Sumner, the average temperature is 8°C (47°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -15°C (6°F). This wide temperature range calls for travelers to pack accordingly, ensuring they're prepared for both milder and colder conditions.

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

The chart illustrates March temperature patterns in Sumner, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumner, March typically has an average temperature of 8°C (47°F), with highs reaching up to 24°C (75°F) and lows dropping to around -15°C (6°F).

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

March Precipitation in Sumner

In Sumner in March, the total precipitation amount is 133 mm (5.2 in) spread over 13 days.

March Precipitation Trends in Sumner

The chart displays monthly precipitation patterns in Sumner, 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 Sumner, March typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 13 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 Sumner

In Sumner in March, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

March Average Humidity in Sumner

This chart illustrates the average monthly humidity levels in Sumner, 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 Sumner is approximately 84%, 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 Sumner

In Sumner in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sumner.

Maximum UV Index Levels in Sumner for March

The chart shows the monthly maximum UV Index (UVI) for Sumner 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 Sumner typically reaches 7, which falls under the high exposure category.

Data source: Sumner 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 Sumner Compares to Other Months

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

This table compares monthly weather conditions in Sumner, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	91 mm (3.6 inches)	84%	moderate
February Weather	2°C (37°F)	107 mm (4.2 inches)	82%	moderate
March Weather	8°C (47°F)	133 mm (5.2 inches)	84%	high
April Weather	13°C (56°F)	120 mm (4.7 inches)	83%	very high
May Weather	20°C (68°F)	133 mm (5.3 inches)	80%	very high
June Weather	25°C (77°F)	112 mm (4.4 inches)	83%	extreme
July Weather	26°C (80°F)	97 mm (3.8 inches)	82%	very high
August Weather	25°C (77°F)	92 mm (3.6 inches)	82%	very high
September Weather	22°C (73°F)	70 mm (2.7 inches)	79%	very high
October Weather	16°C (60°F)	100 mm (3.9 inches)	79%	high
November Weather	7°C (44°F)	102 mm (4.0 inches)	88%	moderate
December Weather	4°C (39°F)	95 mm (3.7 inches)	87%	moderate