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Hattiesburg (MS) Weather and Climate: A Comprehensive Guide

The temperature in Hattiesburg can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and mild during the cooler months. It is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

Visitors to Hattiesburg can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 34°C in August to a moderate 16°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 2°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Hattiesburg is known for its substantial rain/snowfall, with annual precipitation reaching 1571 mm. The climate in Hattiesburg shows significant variation throughout the year. Expect heavy rainfall in December, with an average of 175 mm of precipitation over 11 rainy days.

In contrast, October offers drier and sunnier days, with around 77 mm of rainfall over 7 rainy days. For more details, please visit our Hattiesburg Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Hattiesburg (MS)

Sat   Dec 21
11°C | 0°C
N 3 m/s
clear and no rain

clear and no rain

Sun   Dec 22
14°C | -2°C
NE 2 m/s
clear and no rain

clear and no rain

Mon   Dec 23
19°C | 0°C
SE 3 m/s
clear and no rain

clear and no rain

The best time of year to visit Hattiesburg in the United States of America

During the months of March, April and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Hattiesburg?
    Most rainfall (rainy season) is seen in February, March, July and December.
  • Which is the warmest month in Hattiesburg?
    August has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Hattiesburg?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in Hattiesburg?
    December tops the wettest month list with 175 mm of rainfall.
  • Which is the driest month in Hattiesburg?
    October is the driest month with 77 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.