Biloxi, MS

Climate overview — based on NOAA 1991-2020 normals from BILOXI, MS US.

Cfa Humid subtropical climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 50° 60° 70° 80° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Biloxi has an annual average temperature of 68.5°F with about 66.8 inches of precipitation per year. The warmest month is August (average high 89.9°F), and the coldest is January (average low 43.6°F). July is typically the wettest month (8.09 in) and October the driest (3.68 in).

Pleasant months
4 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
30.8°F
warmest to coldest month
Heating need
1,278
Cooling need
2,529

Best time to visit Biloxi

Full guide →

Climate change signal

All-time records →

28 of 366 (7.7%) of Biloxi's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s
37
1900s
66
1910s
48
1920s
37
1930s
11
1940s
26
1950s
40
1960s
16
1970s
10
1980s
15
1990s
12
2000s
13
2010s
13
2020s
22

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 59.8°F 43.6°F 51.7°F 5.37 in 10
February 63.2°F 47.3°F 55.2°F 4.37 in 9
March 69.3°F 53.4°F 61.3°F 5.72 in 0.1 in 8
April 75.8°F 60.4°F 68.1°F 5.65 in 7
May 82.8°F 68.3°F 75.6°F 5.23 in 7
June 88.0°F 73.8°F 80.9°F 7.13 in 12
July 89.7°F 75.3°F 82.5°F 8.09 in 14
August 89.9°F 75.1°F 82.5°F 6.93 in 13
September 86.9°F 71.5°F 79.2°F 5.24 in 9
October 79.1°F 61.9°F 70.5°F 3.68 in 7
November 69.2°F 51.2°F 60.2°F 4.36 in 7
December 62.2°F 45.9°F 54.0°F 5.03 in 9

Climate twins of Biloxi

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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