West Palm Beach weather in May: West Palm Beach, Florida: normal highs, lows, rain and records for May
West Palm Beach in May has a normal high of 86°F and a normal low of 72°F, a daily mean of 79°F, rising from 84°F on the 1st to 87°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 4.91 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 22°C, 125 mm of precipitation in May.
- NOAA stationDonald J. Trump International Airport
- Station IDUSW00012844
- Location26.68°N 80.10°W
- Elevation19 ft (6 m)
- From the center5 miles
- Population127,744
- Jan 75° 58°
- Feb 77° 60°
- Mar 79° 63°
- Apr 82° 68°
- May 86° 72°
- Jun 88° 75°
- Jul 90° 76°
- Aug 90° 77°
- Sep 88° 76°
- Oct 85° 73°
- Nov 80° 66°
- Dec 77° 62°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is West Palm Beach in May?
The normal high is 86°F and the normal low 72°F, for a daily mean of 78.7°F. May is 3.8°F warmer than April and 3.0°F cooler than June. May is the 5th warmest month of the year in West Palm Beach and the 6th wettest. Across the month the normal high rises 3°F, from 84°F on May 1 to 87°F on May 31. From one year to the next May's mean temperature typically moves about 1.3°F either way (NOAA's standard deviation), so roughly two Mays in three average between 77°F and 80°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 46%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 84°F | 70°F | 28% | 18% |
| May 8 | 85°F | 71°F | 31% | 19% |
| May 15 | 86°F | 72°F | 35% | 23% |
| May 22 | 86°F | 73°F | 40% | 26% |
| May 31 | 87°F | 74°F | 46% | 31% |
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 | 84°F | 70°F | 28% | 18% | 13 h 10 min |
| May 2 | 84°F | 70°F | 29% | 18% | 13 h 10 min |
| May 3 | 84°F | 70°F | 29% | 18% | 13 h 10 min |
| May 4 | 84°F | 70°F | 29% | 19% | 13 h 10 min |
| May 5 | 85°F | 70°F | 30% | 19% | 13 h 10 min |
| May 6 | 85°F | 70°F | 30% | 19% | 13 h 20 min |
| May 7 | 85°F | 71°F | 30% | 19% | 13 h 20 min |
| May 8 | 85°F | 71°F | 31% | 19% | 13 h 20 min |
| May 9 | 85°F | 71°F | 31% | 20% | 13 h 20 min |
| May 10 | 85°F | 71°F | 32% | 20% | 13 h 20 min |
| May 11 | 85°F | 71°F | 32% | 20% | 13 h 20 min |
| May 12 | 85°F | 71°F | 33% | 21% | 13 h 20 min |
| May 13 | 85°F | 71°F | 33% | 21% | 13 h 20 min |
| May 14 | 86°F | 71°F | 34% | 22% | 13 h 30 min |
| May 15 | 86°F | 72°F | 35% | 23% | 13 h 30 min |
| May 16 | 86°F | 72°F | 36% | 23% | 13 h 30 min |
| May 17 | 86°F | 72°F | 36% | 24% | 13 h 30 min |
| May 18 | 86°F | 72°F | 37% | 24% | 13 h 30 min |
| May 19 | 86°F | 72°F | 38% | 25% | 13 h 30 min |
| May 20 | 86°F | 72°F | 39% | 25% | 13 h 30 min |
| May 21 | 86°F | 72°F | 39% | 26% | 13 h 30 min |
| May 22 | 86°F | 73°F | 40% | 26% | 13 h 30 min |
| May 23 | 87°F | 73°F | 41% | 27% | 13 h 30 min |
| May 24 | 87°F | 73°F | 41% | 27% | 13 h 40 min |
| May 25 | 87°F | 73°F | 42% | 28% | 13 h 40 min |
| May 26 | 87°F | 73°F | 43% | 28% | 13 h 40 min |
| May 27 | 87°F | 73°F | 43% | 29% | 13 h 40 min |
| May 28 | 87°F | 73°F | 44% | 29% | 13 h 40 min |
| May 29 | 87°F | 73°F | 45% | 30% | 13 h 40 min |
| May 30 | 87°F | 74°F | 45% | 30% | 13 h 40 min |
| May 31 | 87°F | 74°F | 46% | 31% | 13 h 40 min |
- Normal high
- 86°FMay average
- Normal low
- 72°FMay average
- Precipitation
- 4.91 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 13 h 10 min to 13 h 40 minMay 1 to May 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 30
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012844; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in West Palm Beach in May?
On a given May day the chance of 0.01 inch or more is 36% on average, highest around May 31 (46%). In all, 4.91 in falls on 11 days of a normal May, 1 of them with an inch or more.
In a normal May in West Palm Beach, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012844.
How humid and windy is West Palm Beach in May?
At 3 p.m. the normal temperature is 84°F with 64% relative humidity and a dew point of 71°F; at 6 a.m. it is 75°F with 86% humidity. The wind averages 8.9 mph, most often from the east-southeast in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 75°F | 71°F | 86% | 5.4 mph | – |
| 9 a.m. | 82°F | 71°F | 70% | 9.2 mph | – |
| noon | 85°F | 71°F | 62% | 11.8 mph | – |
| 3 p.m. | 84°F | 71°F | 64% | 12.7 mph | – |
| 6 p.m. | 81°F | 71°F | 71% | 11.0 mph | – |
| 9 p.m. | 79°F | 71°F | 77% | 8.5 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012844. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in West Palm Beach?
The warmest May temperature on West Palm Beach's official record (since 1888) is 99°F, on May 14, 1922; the coldest is 45°F, on May 5, 1921. The wettest May brought 16.19 in (1890).
The May mean against the 1991-2020 normal of 78.7°F: 2021 81.4°F (+2.7), 2022 80.1°F (+1.4), 2023 79.5°F (+0.8), 2024 84.2°F (+5.5), 2025 82.2°F (+3.5), 2026 82.8°F (+4.1). 6 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 81.4°F | +2.7°F | 0.61 in |
| 2022 | 80.1°F | +1.4°F | 1.88 in |
| 2023 | 79.5°F | +0.8°F | 5.63 in |
| 2024 | 84.2°F | +5.5°F | 1.18 in |
| 2025 | 82.2°F | +3.5°F | 4.28 in |
| 2026 | 82.8°F | +4.1°F | 5.51 in |
Source: records: ACIS, NWS threaded record PBIthr; recent months: ACIS, station USW00012844. Records and recent months use complete months only.
How does May in West Palm Beach compare across Florida?
Across the 106 places PlainClimate covers in Florida, May normal highs run from 83°F in Miami Beach to 91°F in Plant City; West Palm Beach's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.