Miami weather in May: Miami, Florida: normal highs, lows, rain and records for May
Miami in May has a normal high of 87°F and a normal low of 73°F, a daily mean of 80°F, rising from 85°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 6.32 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 23°C, 161 mm of precipitation in May.
- NOAA stationMiami International Airport
- Station IDUSW00012839
- Location25.79°N 80.32°W
- Elevation29 ft (9 m)
- From the center7 miles
- Population487,014
- Jan 76° 61°
- Feb 78° 63°
- Mar 81° 66°
- Apr 84° 70°
- May 87° 73°
- Jun 89° 76°
- Jul 91° 78°
- Aug 91° 78°
- Sep 89° 77°
- Oct 86° 74°
- Nov 81° 68°
- Dec 78° 64°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Miami in May?
The normal high is 87°F and the normal low 73°F, for a daily mean of 80.1°F. May is 3.4°F warmer than April and 2.7°F cooler than June. May is the 5th warmest month of the year in Miami and the 6th wettest. Across the month the normal high rises 3°F, from 85°F on May 1 to 88°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 79°F and 81°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 49%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 85°F | 72°F | 27% | 17% |
| May 8 | 86°F | 73°F | 30% | 19% |
| May 15 | 87°F | 73°F | 36% | 23% |
| May 22 | 87°F | 74°F | 41% | 27% |
| May 31 | 88°F | 75°F | 49% | 33% |
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 | 85°F | 72°F | 27% | 17% | 13 h 10 min |
| May 2 | 85°F | 72°F | 28% | 17% | 13 h 10 min |
| May 3 | 85°F | 72°F | 28% | 18% | 13 h 10 min |
| May 4 | 86°F | 72°F | 29% | 18% | 13 h 10 min |
| May 5 | 86°F | 72°F | 29% | 18% | 13 h 10 min |
| May 6 | 86°F | 72°F | 29% | 19% | 13 h 10 min |
| May 7 | 86°F | 73°F | 30% | 19% | 13 h 10 min |
| May 8 | 86°F | 73°F | 30% | 19% | 13 h 20 min |
| May 9 | 86°F | 73°F | 31% | 20% | 13 h 20 min |
| May 10 | 86°F | 73°F | 32% | 20% | 13 h 20 min |
| May 11 | 86°F | 73°F | 32% | 21% | 13 h 20 min |
| May 12 | 86°F | 73°F | 33% | 21% | 13 h 20 min |
| May 13 | 86°F | 73°F | 34% | 22% | 13 h 20 min |
| May 14 | 87°F | 73°F | 35% | 22% | 13 h 20 min |
| May 15 | 87°F | 73°F | 36% | 23% | 13 h 20 min |
| May 16 | 87°F | 73°F | 36% | 24% | 13 h 20 min |
| May 17 | 87°F | 74°F | 37% | 24% | 13 h 30 min |
| May 18 | 87°F | 74°F | 38% | 25% | 13 h 30 min |
| May 19 | 87°F | 74°F | 39% | 25% | 13 h 30 min |
| May 20 | 87°F | 74°F | 40% | 26% | 13 h 30 min |
| May 21 | 87°F | 74°F | 41% | 27% | 13 h 30 min |
| May 22 | 87°F | 74°F | 41% | 27% | 13 h 30 min |
| May 23 | 87°F | 74°F | 42% | 28% | 13 h 30 min |
| May 24 | 88°F | 74°F | 43% | 29% | 13 h 30 min |
| May 25 | 88°F | 74°F | 44% | 29% | 13 h 30 min |
| May 26 | 88°F | 74°F | 45% | 30% | 13 h 30 min |
| May 27 | 88°F | 75°F | 45% | 30% | 13 h 30 min |
| May 28 | 88°F | 75°F | 46% | 31% | 13 h 40 min |
| May 29 | 88°F | 75°F | 47% | 32% | 13 h 40 min |
| May 30 | 88°F | 75°F | 48% | 32% | 13 h 40 min |
| May 31 | 88°F | 75°F | 49% | 33% | 13 h 40 min |
- Normal high
- 87°FMay average
- Normal low
- 73°FMay average
- Precipitation
- 6.32 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 6
- 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
- 31
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012839; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Miami in May?
On a given May day the chance of 0.01 inch or more is 37% on average, highest around May 31 (49%). In all, 6.32 in falls on 11 days of a normal May, 2 of them with an inch or more.
In a normal May in Miami, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012839.
How humid and windy is Miami in May?
At 3 p.m. the normal temperature is 85°F with 64% relative humidity and a dew point of 71°F; at 6 a.m. it is 77°F with 83% humidity. The wind averages 8.0 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. | 77°F | 72°F | 83% | 4.6 mph | 24% |
| 9 a.m. | 83°F | 72°F | 69% | 8.2 mph | – |
| noon | 86°F | 71°F | 61% | 10.3 mph | – |
| 3 p.m. | 85°F | 71°F | 64% | 11.3 mph | – |
| 6 p.m. | 82°F | 71°F | 69% | 10.1 mph | – |
| 9 p.m. | 80°F | 71°F | 76% | 7.8 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012839. 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 Miami?
The warmest May temperature on Miami's official record (since 1895) is 98°F, on May 28, 2017; the coldest is 50°F, on May 5, 1921. The wettest May brought 18.89 in (2020).
The May mean against the 1991-2020 normal of 80.1°F: 2021 81.2°F (+1.1), 2022 81.6°F (+1.5), 2023 81.2°F (+1.1), 2024 83.7°F (+3.6), 2025 82.4°F (+2.3), 2026 82.4°F (+2.3). 6 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 81.2°F | +1.1°F | 2.68 in |
| 2022 | 81.6°F | +1.5°F | 4.47 in |
| 2023 | 81.2°F | +1.1°F | 5.92 in |
| 2024 | 83.7°F | +3.6°F | 4.21 in |
| 2025 | 82.4°F | +2.3°F | 7.98 in |
| 2026 | 82.4°F | +2.3°F | 6.62 in |
Source: records: ACIS, NWS threaded record MIAthr; recent months: ACIS, station USW00012839. Records and recent months use complete months only.
How does May in Miami 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; Miami's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.