March Weather in Pomona, United States

Last updated: June 24, 2025

In March, the average temperature in Pomona, United States hovers around 7°C (45°F), creating a cool backdrop for seasonal activities. Be prepared for temperature fluctuations, with a minimum of -9°C (17°F) and a maximum reaching 27°C (81°F). Expect 109 mm (4.3 in) of precipitation spread over approximately 10 days, contributing to the area's high average humidity of 81%. Whether you're braving the chill or enjoying the warmth, Pomona offers a unique climate experience!

March Temperature in Pomona

In March in Pomona, the average temperature is 7°C (45°F). Maximum temperatures can reach 27°C (81°F), while the minimum can drop as low as -9°C (17°F). This range of temperatures makes Pomona an ideal destination for travelers seeking both mild and brisk weather experiences.

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

The chart illustrates March temperature patterns in Pomona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pomona, March typically has an average temperature of 7°C (45°F), with highs reaching up to 27°C (81°F) and lows dropping to around -9°C (17°F).

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

March Precipitation in Pomona

In Pomona in March, the precipitation amount is 109 mm (4.3 in) spread over 10 days.

March Precipitation Trends in Pomona

The chart displays monthly precipitation patterns in Pomona, 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 Pomona, March typically receives around 109 mm (4.3 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 Pomona

In Pomona in March, humidity is 81%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor adventures slightly uncomfortable and requiring extra layers to stay warm while exploring.

March Average Humidity in Pomona

This chart illustrates the average monthly humidity levels in Pomona, 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 Pomona 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 Pomona

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

Maximum UV Index Levels in Pomona for March

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

Data source: Pomona 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 Pomona Compares to Other Months

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

This table compares monthly weather conditions in Pomona, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	65 mm (2.5 inches)	83%	moderate
February Weather	5°C (41°F)	102 mm (4.0 inches)	82%	moderate
March Weather	7°C (45°F)	109 mm (4.3 inches)	81%	high
April Weather	12°C (54°F)	98 mm (3.9 inches)	79%	very high
May Weather	17°C (63°F)	109 mm (4.3 inches)	74%	very high
June Weather	23°C (73°F)	90 mm (3.5 inches)	77%	very high
July Weather	26°C (79°F)	125 mm (4.9 inches)	76%	very high
August Weather	25°C (77°F)	132 mm (5.2 inches)	77%	very high
September Weather	22°C (72°F)	112 mm (4.4 inches)	74%	very high
October Weather	17°C (63°F)	136 mm (5.4 inches)	75%	high
November Weather	9°C (49°F)	80 mm (3.1 inches)	80%	moderate
December Weather	5°C (42°F)	106 mm (4.2 inches)	81%	moderate