Hattiesburg, MS

Mississippi · Records since 1893–2026

☀️ 90°F Feels like 99°
Currently in Hattiesburg
As of 7:00 PM CDT

Records for July 28

🔥 Record High

100°F

July 28, 1952

+8° from 92° normal

❄ Record Low

60°F

July 28, 1911

-13° from 73° normal
🌞 Normal high: 92°F 🌑 Normal low: 73°F 1991–2020 normals

All-Time Records — Hattiesburg

🔥
107°F
Hottest Day Ever
Aug 26, 2023
-1°F
Coldest Day Ever
Feb 13, 1899
🌧
10.68"
Wettest Day Ever
Apr 7, 1983
5.0"
Most Snow in One Day
Feb 14, 1895

Top 10 Record Highs — July 28

# Temp Date
🏆 100°F July 28, 1952
2 100°F July 28, 1915
3 100°F July 28, 1914
4 99°F July 28, 2025
5 99°F July 28, 2023
6 99°F July 28, 2008
7 98°F July 28, 1993
8 98°F July 28, 1960
9 98°F July 28, 1944
10 98°F July 28, 1937

Top 5 Record Lows — July 28

# Temp Date
🥶 60°F July 28, 1911
2 61°F July 28, 1895
3 64°F July 28, 1994
4 65°F July 28, 1978
5 66°F July 28, 2000
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1893–2026. Climate normals represent the 1991–2020 average.
2
days
Hot Streak
2 consecutive days at or above 97°F · since July 25
1 more day to heat wave status

Heat Wave Summary — Hattiesburg

threshold: 97°F (90th percentile of historical Jun–Aug highs)
5.3
Avg heat wave length
days (historical)
100°
Avg peak temp
during heat waves
59
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

135 of 204 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1893–2026
45
2026 so far
94
Avg/year 1970–2025
103
Avg/year (last 10 complete)
156
Most in a year (1925)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Hattiesburg

# Dates Days Peak Avg High Avg Overnight Low
🏆 May 28, 1911 – Jun 18, 1911 22 104°F (Jun 12) 101°F 69°F
2 Jun 17, 2009 – Jul 5, 2009 19 104°F (Jul 2) 100°F 75°F
3 Aug 10, 1902 – Aug 27, 1902 18 103°F (Aug 18) 100°F 72°F
4 Jul 10, 1924 – Jul 25, 1924 16 104°F (Jul 24) 99°F 73°F
5 Jun 5, 1902 – Jun 20, 1902 16 103°F (Jun 11) 100°F 68°F
6 Jun 29, 1902 – Jul 13, 1902 15 103°F (Jul 4) 100°F 72°F
7 Jun 20, 1914 – Jul 3, 1914 14 106°F (Jun 26) 100°F 71°F
8 Aug 10, 1925 – Aug 23, 1925 14 103°F (Aug 20) 100°F 72°F
9 Sep 7, 1920 – Sep 20, 1920 14 99°F (Sep 9) 98°F 68°F
10 Jun 18, 1930 – Jun 30, 1930 13 105°F (Jun 26) 101°F 70°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

48
2026 so far
above-normal nights
36.6
Avg / summer
1970–2020
84
Most in a summer
1893

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

53.33"
2026 YTD
Normal: 36.77"
+16.56"
1.49"
July so far
July normal: 5.70"
-4.21"
14.91"
Summer so far
Summer normal: 16.30"
-1.39"
17
2026 heavy rain days
Days with ≥ 1.0"

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1970–2026)

Blue = above average · tan = below average · gold = 2026 (partial)

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")