Biloxi weather in May: Biloxi, Mississippi: normal highs, lows, rain and records for May
Biloxi in May has a normal high of 83°F and a normal low of 68°F, a daily mean of 76°F, rising from 79°F on the 1st to 86°F by the 31st. Measurable precipitation falls on 7 days in a normal May, 5.23 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 20°C, 133 mm of precipitation in May.
- NOAA stationBiloxi
- Station IDUSC00220792
- Location30.39°N 89.00°W
- Elevation10 ft (3 m)
- From the center5 miles
- Population48,144
- Jan 60° 44°
- Feb 63° 47°
- Mar 69° 53°
- Apr 76° 60°
- May 83° 68°
- Jun 88° 74°
- Jul 90° 75°
- Aug 90° 75°
- Sep 87° 72°
- Oct 79° 62°
- Nov 69° 51°
- Dec 62° 46°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Biloxi in May?
The normal high is 83°F and the normal low 68°F, for a daily mean of 75.6°F. May is 7.5°F warmer than April and 5.3°F cooler than June. May is the 5th warmest month of the year in Biloxi and the 8th wettest. Across the month the normal high rises 7°F, from 79°F on May 1 to 86°F on May 31. From one year to the next May's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Mays in three average between 74°F and 78°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 79°F | 65°F | 21% | 16% |
| May 8 | 81°F | 66°F | 22% | 16% |
| May 15 | 83°F | 68°F | 24% | 18% |
| May 22 | 84°F | 70°F | 27% | 19% |
| May 31 | 86°F | 72°F | 32% | 23% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 79°F | 65°F | 21% | 16% | 13 h 20 min |
| May 2 | 80°F | 65°F | 21% | 16% | 13 h 20 min |
| May 3 | 80°F | 65°F | 21% | 16% | 13 h 20 min |
| May 4 | 80°F | 65°F | 21% | 16% | 13 h 20 min |
| May 5 | 80°F | 66°F | 21% | 16% | 13 h 30 min |
| May 6 | 80°F | 66°F | 21% | 16% | 13 h 30 min |
| May 7 | 81°F | 66°F | 22% | 16% | 13 h 30 min |
| May 8 | 81°F | 66°F | 22% | 16% | 13 h 30 min |
| May 9 | 81°F | 67°F | 22% | 16% | 13 h 30 min |
| May 10 | 81°F | 67°F | 22% | 17% | 13 h 30 min |
| May 11 | 82°F | 67°F | 23% | 17% | 13 h 30 min |
| May 12 | 82°F | 67°F | 23% | 17% | 13 h 40 min |
| May 13 | 82°F | 68°F | 23% | 17% | 13 h 40 min |
| May 14 | 82°F | 68°F | 23% | 17% | 13 h 40 min |
| May 15 | 83°F | 68°F | 24% | 18% | 13 h 40 min |
| May 16 | 83°F | 68°F | 24% | 18% | 13 h 40 min |
| May 17 | 83°F | 69°F | 25% | 18% | 13 h 40 min |
| May 18 | 83°F | 69°F | 25% | 18% | 13 h 40 min |
| May 19 | 84°F | 69°F | 25% | 19% | 13 h 40 min |
| May 20 | 84°F | 69°F | 26% | 19% | 13 h 50 min |
| May 21 | 84°F | 70°F | 26% | 19% | 13 h 50 min |
| May 22 | 84°F | 70°F | 27% | 19% | 13 h 50 min |
| May 23 | 85°F | 70°F | 27% | 20% | 13 h 50 min |
| May 24 | 85°F | 70°F | 28% | 20% | 13 h 50 min |
| May 25 | 85°F | 71°F | 28% | 20% | 13 h 50 min |
| May 26 | 85°F | 71°F | 29% | 21% | 13 h 50 min |
| May 27 | 85°F | 71°F | 29% | 21% | 13 h 50 min |
| May 28 | 86°F | 71°F | 30% | 21% | 13 h 50 min |
| May 29 | 86°F | 71°F | 31% | 22% | 14 h |
| May 30 | 86°F | 72°F | 31% | 22% | 14 h |
| May 31 | 86°F | 72°F | 32% | 23% | 14 h |
- Normal high
- 83°FMay average
- Normal low
- 68°FMay average
- Precipitation
- 5.23 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 20 min to 14 hMay 1 to May 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 25
- Sunshine
- 83%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00220792; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Biloxi in May?
On a given May day the chance of 0.01 inch or more is 25% on average, highest around May 31 (32%). In all, 5.23 in falls on 7 days of a normal May, 2 of them with an inch or more.
In a normal May in Biloxi, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00220792.
What are the records for May in Biloxi?
The warmest May temperature on this station's record (since 1893) is 98°F, on May 29, 1896; the coldest is 42°F, on May 4, 2013. The wettest May brought 16.32 in (1995).
The May mean against the 1991-2020 normal of 75.6°F: 2023 75.8°F (+0.2), 2024 79.5°F (+3.9), 2025 77.3°F (+1.7), 2026 75.7°F (+0.1). 4 of 4 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 75.8°F | +0.2°F | 3.04 in |
| 2024 | 79.5°F | +3.9°F | 7.26 in |
| 2025 | 77.3°F | +1.7°F | 11.19 in |
| 2026 | 75.7°F | +0.1°F | – |
Source: records: ACIS, station USC00220792; recent months: ACIS, station USC00220792. Records and recent months use complete months only.
How does May in Biloxi compare across Mississippi?
Across the 81 places PlainClimate covers in Mississippi, May normal highs run from 79°F in Independence to 88°F in Monticello; Biloxi's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.