March Weather in Hattiesburg, United States

Last updated: June 24, 2025

In March, the average temperature in Hattiesburg, United States hovers around 17°C (63°F). While the mercury can dip as low as -3°C (27°F), it can also soar to a warm 31°C (89°F). Expect 102 mm (4.0 in) of precipitation spread over 11 days, contributing to a high average humidity of 80%.

March Temperature in Hattiesburg

In March in Hattiesburg, the average temperature is 17°C (63°F). Maximums can reach up to 31°C (89°F), while minimums can drop as low as -3°C (27°F). Be prepared for a wide range of temperatures during your travels.

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

The chart illustrates March temperature patterns in Hattiesburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hattiesburg, March typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (89°F) and lows dropping to around -3°C (27°F).

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

March Precipitation in Hattiesburg

In Hattiesburg in March, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.

March Precipitation Trends in Hattiesburg

The chart displays monthly precipitation patterns in Hattiesburg, 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 Hattiesburg, March typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 11 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 Hattiesburg

In Hattiesburg in March humidity is 80%. With an average temperature of 17°C (63°F), this humidity feels like you're walking through a thick, warm blanket, making travel feel slightly stifling and requiring frequent breaks to stay comfortable.

March Average Humidity in Hattiesburg

This chart illustrates the average monthly humidity levels in Hattiesburg, 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 Hattiesburg is approximately 80%, 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 Hattiesburg

In Hattiesburg in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hattiesburg.

Maximum UV Index Levels in Hattiesburg for March

The chart shows the monthly maximum UV Index (UVI) for Hattiesburg 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 Hattiesburg typically reaches 9, which falls under the very high exposure category.

Data source: Hattiesburg 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 Hattiesburg Compares to Other Months

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

This table compares monthly weather conditions in Hattiesburg, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	117 mm (4.6 inches)	82%	moderate
February Weather	14°C (57°F)	112 mm (4.4 inches)	80%	very high
March Weather	17°C (63°F)	102 mm (4.0 inches)	80%	very high
April Weather	19°C (67°F)	131 mm (5.2 inches)	78%	extreme
May Weather	24°C (75°F)	146 mm (5.8 inches)	73%	extreme
June Weather	26°C (80°F)	197 mm (7.8 inches)	71%	extreme
July Weather	27°C (81°F)	150 mm (5.9 inches)	79%	extreme
August Weather	27°C (81°F)	179 mm (7.0 inches)	78%	extreme
September Weather	26°C (79°F)	104 mm (4.1 inches)	80%	very high
October Weather	22°C (71°F)	100 mm (3.9 inches)	76%	very high
November Weather	14°C (58°F)	79 mm (3.1 inches)	83%	high
December Weather	12°C (54°F)	133 mm (5.2 inches)	87%	moderate