Melbourne weather in May: Melbourne, Florida: normal highs, lows, rain and records for May
Melbourne in May has a normal high of 85°F and a normal low of 69°F, a daily mean of 77°F, rising from 83°F on the 1st to 87°F by the 31st. Measurable precipitation falls on 9 days in a normal May, 3.53 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 20°C, 90 mm of precipitation in May.
- NOAA stationMelbourne International Airport
- Station IDUSW00012838
- Location28.10°N 80.64°W
- Elevation27 ft (8 m)
- Population87,561
- Jan 72° 52°
- Feb 74° 54°
- Mar 77° 58°
- Apr 81° 63°
- May 85° 69°
- Jun 88° 73°
- Jul 90° 74°
- Aug 89° 75°
- Sep 88° 74°
- Oct 84° 69°
- Nov 77° 61°
- Dec 74° 56°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Melbourne in May?
The normal high is 85°F and the normal low 69°F, for a daily mean of 76.8°F. May is 5.0°F warmer than April and 3.8°F cooler than June. May is the 5th warmest month of the year in Melbourne and the 6th wettest. Across the month the normal high rises 4°F, from 83°F on May 1 to 87°F on May 31. From one year to the next May's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Mays in three average between 75°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 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 83°F | 66°F | 23% | 15% |
| May 8 | 84°F | 67°F | 25% | 16% |
| May 15 | 85°F | 68°F | 28% | 18% |
| May 22 | 86°F | 70°F | 32% | 21% |
| May 31 | 87°F | 71°F | 38% | 26% |
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 | 83°F | 66°F | 23% | 15% | 13 h 10 min |
| May 2 | 83°F | 66°F | 23% | 15% | 13 h 10 min |
| May 3 | 83°F | 66°F | 24% | 15% | 13 h 20 min |
| May 4 | 84°F | 66°F | 24% | 15% | 13 h 20 min |
| May 5 | 84°F | 67°F | 24% | 15% | 13 h 20 min |
| May 6 | 84°F | 67°F | 24% | 15% | 13 h 20 min |
| May 7 | 84°F | 67°F | 24% | 16% | 13 h 20 min |
| May 8 | 84°F | 67°F | 25% | 16% | 13 h 20 min |
| May 9 | 84°F | 67°F | 25% | 16% | 13 h 20 min |
| May 10 | 84°F | 68°F | 26% | 16% | 13 h 30 min |
| May 11 | 84°F | 68°F | 26% | 17% | 13 h 30 min |
| May 12 | 85°F | 68°F | 27% | 17% | 13 h 30 min |
| May 13 | 85°F | 68°F | 27% | 18% | 13 h 30 min |
| May 14 | 85°F | 68°F | 28% | 18% | 13 h 30 min |
| May 15 | 85°F | 68°F | 28% | 18% | 13 h 30 min |
| May 16 | 85°F | 69°F | 29% | 19% | 13 h 30 min |
| May 17 | 85°F | 69°F | 30% | 19% | 13 h 30 min |
| May 18 | 85°F | 69°F | 30% | 20% | 13 h 30 min |
| May 19 | 85°F | 69°F | 31% | 20% | 13 h 40 min |
| May 20 | 85°F | 69°F | 31% | 20% | 13 h 40 min |
| May 21 | 86°F | 70°F | 32% | 21% | 13 h 40 min |
| May 22 | 86°F | 70°F | 32% | 21% | 13 h 40 min |
| May 23 | 86°F | 70°F | 33% | 22% | 13 h 40 min |
| May 24 | 86°F | 70°F | 34% | 22% | 13 h 40 min |
| May 25 | 86°F | 70°F | 34% | 23% | 13 h 40 min |
| May 26 | 86°F | 71°F | 35% | 23% | 13 h 40 min |
| May 27 | 86°F | 71°F | 36% | 24% | 13 h 40 min |
| May 28 | 86°F | 71°F | 36% | 24% | 13 h 40 min |
| May 29 | 86°F | 71°F | 37% | 25% | 13 h 50 min |
| May 30 | 87°F | 71°F | 37% | 25% | 13 h 50 min |
| May 31 | 87°F | 71°F | 38% | 26% | 13 h 50 min |
- Normal high
- 85°FMay average
- Normal low
- 69°FMay average
- Precipitation
- 3.53 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 5
- Daylight
- 13 h 10 min to 13 h 50 minMay 1 to May 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 29
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012838; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Melbourne in May?
On a given May day the chance of 0.01 inch or more is 29% on average, highest around May 31 (38%). In all, 3.53 in falls on 9 days of a normal May, 1 of them with an inch or more.
In a normal May in Melbourne, 5 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012838.
How humid and windy is Melbourne in May?
At 3 p.m. the normal temperature is 84°F with 63% relative humidity and a dew point of 70°F; at 6 a.m. it is 73°F with 88% humidity. The wind averages 9.1 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. | 73°F | 69°F | 88% | 5.6 mph | 69% |
| 9 a.m. | 81°F | 70°F | 69% | 9.3 mph | 49% |
| noon | 85°F | 70°F | 60% | 11.4 mph | 36% |
| 3 p.m. | 84°F | 70°F | 63% | 12.8 mph | 42% |
| 6 p.m. | 81°F | 70°F | 70% | 11.3 mph | 54% |
| 9 p.m. | 78°F | 70°F | 77% | 8.5 mph | 65% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012838. 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 Melbourne?
The warmest May temperature on Melbourne's official record (since 1937) is 99°F, on May 31, 2004; the coldest is 47°F, on May 8, 1992. The wettest May brought 13.83 in (1976).
The May mean against the 1991-2020 normal of 76.8°F: 2021 78.3°F (+1.5), 2022 78.5°F (+1.7), 2023 77.0°F (+0.2), 2024 80.3°F (+3.5), 2025 79.9°F (+3.1), 2026 80.6°F (+3.8). 6 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.3°F | +1.5°F | 1.34 in |
| 2022 | 78.5°F | +1.7°F | 0.78 in |
| 2023 | 77.0°F | +0.2°F | 4.80 in |
| 2024 | 80.3°F | +3.5°F | 1.12 in |
| 2025 | 79.9°F | +3.1°F | 4.43 in |
| 2026 | 80.6°F | +3.8°F | 2.40 in |
Source: records: ACIS, NWS threaded record MLBthr; recent months: ACIS, station USW00012838. Records and recent months use complete months only.
How does May in Melbourne 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; Melbourne's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.