March Weather in Sunnyside, United States

Last updated: June 24, 2025

In March, the average temperature in Sunnyside, United States is a crisp 5°C (42°F). However, prepare for a range, as temperatures can dip as low as -9°C (16°F) and soar to a pleasant 25°C (77°F). With a total precipitation of 98 mm (3.8 in) over about 10 days, and an average humidity of 81%, be ready for a mix of cool air and occasional dampness this month!

March Temperature in Sunnyside

In March in Sunnyside, the average temperature is 5°C (42°F). Maximums can reach 25°C (77°F), while minimums can plummet to -9°C (16°F). Be sure to pack accordingly to enjoy your trip, as you'll experience a wide range of weather conditions!

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

The chart illustrates March temperature patterns in Sunnyside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunnyside, March typically has an average temperature of 5°C (42°F), with highs reaching up to 25°C (77°F) and lows dropping to around -9°C (16°F).

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

March Precipitation in Sunnyside

In Sunnyside in March, the precipitation amount is 98 mm (3.8 in) spread over a period of 10 days.

March Precipitation Trends in Sunnyside

The chart displays monthly precipitation patterns in Sunnyside, 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 Sunnyside, March typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 10 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 Sunnyside

In Sunnyside in March, humidity is 81%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel more daunting and travel less invigorating.

March Average Humidity in Sunnyside

This chart illustrates the average monthly humidity levels in Sunnyside, 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 Sunnyside is approximately 81%, 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 Sunnyside

In Sunnyside 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 Sunnyside, you can refer to this Hourly UV Index in Sunnyside.

Maximum UV Index Levels in Sunnyside for March

The chart shows the monthly maximum UV Index (UVI) for Sunnyside 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 Sunnyside typically reaches 6, which falls under the high exposure category.

Data source: Sunnyside 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 Sunnyside Compares to Other Months

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

This table compares monthly weather conditions in Sunnyside, 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 (34°F)	67 mm (2.7 inches)	84%	moderate
February Weather	2°C (36°F)	102 mm (4.0 inches)	82%	moderate
March Weather	5°C (42°F)	98 mm (3.8 inches)	81%	high
April Weather	11°C (52°F)	112 mm (4.4 inches)	78%	very high
May Weather	17°C (62°F)	114 mm (4.5 inches)	69%	very high
June Weather	22°C (72°F)	92 mm (3.6 inches)	69%	very high
July Weather	26°C (78°F)	148 mm (5.8 inches)	62%	very high
August Weather	25°C (76°F)	127 mm (5.0 inches)	65%	very high
September Weather	21°C (70°F)	92 mm (3.6 inches)	68%	very high
October Weather	16°C (61°F)	128 mm (5.0 inches)	74%	high
November Weather	8°C (47°F)	83 mm (3.3 inches)	82%	moderate
December Weather	4°C (39°F)	106 mm (4.2 inches)	80%	low