March Weather in South Bay, United States

Last updated: June 24, 2025

In March, the average temperature in South Bay, United States is a pleasant 22°C (72°F), with daytime highs reaching up to 31°C (88°F) and nighttime lows dipping to 12°C (53°F). Expect some rain with an average precipitation of 26 mm (1.0 in) spread over 3 days. Humidity is relatively high at 75%, creating a warm and slightly muggy atmosphere.

March Temperature in South Bay

In March in South Bay, the average temperature is 22°C (72°F). Maximums can reach 31°C (88°F) and minimums can be as low as 12°C (53°F). It's a perfect time for travelers to enjoy pleasant weather while exploring the area's attractions.

March Weather in South Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in South Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Bay, March typically has an average temperature of 22°C (72°F), with highs reaching up to 31°C (88°F) and lows dropping to around 12°C (53°F).

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

March Precipitation in South Bay

In South Bay in March, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

March Precipitation Trends in South Bay

The chart displays monthly precipitation patterns in South Bay, 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 South Bay, March typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 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 South Bay

In South Bay in March, humidity is 75%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet requiring travelers to stay hydrated and take breaks in shaded areas.

March Average Humidity in South Bay

This chart illustrates the average monthly humidity levels in South Bay, 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 South Bay is approximately 75%, 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 South Bay

In South Bay in March, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in South Bay.

Maximum UV Index Levels in South Bay for March

The chart shows the monthly maximum UV Index (UVI) for South Bay 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 South Bay typically reaches 10, which falls under the very high exposure category.

Data source: South Bay 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 South Bay Compares to Other Months

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

This table compares monthly weather conditions in South Bay, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (67°F)	39 mm (1.5 inches)	83%	high
February Weather	21°C (71°F)	40 mm (1.6 inches)	80%	very high
March Weather	22°C (72°F)	26 mm (1.0 inches)	75%	very high
April Weather	25°C (76°F)	53 mm (2.1 inches)	68%	extreme
May Weather	26°C (79°F)	138 mm (5.4 inches)	65%	extreme
June Weather	27°C (81°F)	192 mm (7.6 inches)	73%	extreme
July Weather	28°C (82°F)	166 mm (6.5 inches)	77%	extreme
August Weather	28°C (82°F)	200 mm (7.9 inches)	80%	extreme
September Weather	27°C (82°F)	161 mm (6.3 inches)	83%	extreme
October Weather	26°C (80°F)	123 mm (4.8 inches)	83%	very high
November Weather	23°C (74°F)	49 mm (1.9 inches)	83%	high
December Weather	20°C (69°F)	40 mm (1.6 inches)	84%	moderate