Jacksonville weather in May: Jacksonville, Florida: normal highs, lows, rain and records for May
Jacksonville in May has a normal high of 86°F and a normal low of 64°F, a daily mean of 75°F, rising from 83°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 7 days in a normal May, 3.42 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 18°C, 87 mm of precipitation in May.
- NOAA stationJacksonville International Airport
- Station IDUSW00013889
- Location30.48°N 81.70°W
- Elevation33 ft (10 m)
- From the center11 miles
- Population1,009,833
- Jan 66° 43°
- Feb 69° 46°
- Mar 74° 51°
- Apr 80° 56°
- May 86° 64°
- Jun 90° 71°
- Jul 92° 73°
- Aug 91° 73°
- Sep 87° 71°
- Oct 81° 62°
- Nov 73° 51°
- Dec 68° 46°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jacksonville in May?
The normal high is 86°F and the normal low 64°F, for a daily mean of 74.9°F. May is 6.8°F warmer than April and 5.4°F cooler than June. May is the 5th warmest month of the year in Jacksonville and the 6th wettest. Across the month the normal high rises 5°F, from 83°F on May 1 to 88°F on May 31. From one year to the next May's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Mays in three average between 73°F and 77°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 83°F | 60°F | 20% | 14% |
| May 8 | 85°F | 62°F | 21% | 14% |
| May 15 | 86°F | 64°F | 24% | 16% |
| May 22 | 87°F | 66°F | 29% | 19% |
| May 31 | 88°F | 68°F | 35% | 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 | 83°F | 60°F | 20% | 14% | 13 h 20 min |
| May 2 | 83°F | 60°F | 20% | 14% | 13 h 20 min |
| May 3 | 84°F | 60°F | 20% | 14% | 13 h 20 min |
| May 4 | 84°F | 61°F | 20% | 14% | 13 h 20 min |
| May 5 | 84°F | 61°F | 20% | 14% | 13 h 30 min |
| May 6 | 84°F | 61°F | 20% | 14% | 13 h 30 min |
| May 7 | 84°F | 62°F | 21% | 14% | 13 h 30 min |
| May 8 | 85°F | 62°F | 21% | 14% | 13 h 30 min |
| May 9 | 85°F | 62°F | 21% | 14% | 13 h 30 min |
| May 10 | 85°F | 62°F | 22% | 14% | 13 h 30 min |
| May 11 | 85°F | 63°F | 22% | 15% | 13 h 30 min |
| May 12 | 85°F | 63°F | 23% | 15% | 13 h 40 min |
| May 13 | 86°F | 63°F | 23% | 15% | 13 h 40 min |
| May 14 | 86°F | 63°F | 24% | 16% | 13 h 40 min |
| May 15 | 86°F | 64°F | 24% | 16% | 13 h 40 min |
| May 16 | 86°F | 64°F | 25% | 16% | 13 h 40 min |
| May 17 | 86°F | 64°F | 26% | 17% | 13 h 40 min |
| May 18 | 86°F | 64°F | 26% | 17% | 13 h 40 min |
| May 19 | 87°F | 65°F | 27% | 18% | 13 h 50 min |
| May 20 | 87°F | 65°F | 27% | 18% | 13 h 50 min |
| May 21 | 87°F | 65°F | 28% | 18% | 13 h 50 min |
| May 22 | 87°F | 66°F | 29% | 19% | 13 h 50 min |
| May 23 | 87°F | 66°F | 29% | 19% | 13 h 50 min |
| May 24 | 87°F | 66°F | 30% | 20% | 13 h 50 min |
| May 25 | 87°F | 66°F | 31% | 20% | 13 h 50 min |
| May 26 | 88°F | 67°F | 32% | 20% | 13 h 50 min |
| May 27 | 88°F | 67°F | 32% | 21% | 13 h 50 min |
| May 28 | 88°F | 67°F | 33% | 22% | 13 h 50 min |
| May 29 | 88°F | 67°F | 34% | 22% | 14 h |
| May 30 | 88°F | 68°F | 34% | 23% | 14 h |
| May 31 | 88°F | 68°F | 35% | 23% | 14 h |
- Normal high
- 86°FMay average
- Normal low
- 64°FMay average
- Precipitation
- 3.42 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 8
- 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
- 27
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013889; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Jacksonville in May?
On a given May day the chance of 0.01 inch or more is 26% on average, highest around May 31 (35%). In all, 3.42 in falls on 7 days of a normal May, 1 of them with an inch or more.
In a normal May in Jacksonville, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013889.
How humid and windy is Jacksonville in May?
At 3 p.m. the normal temperature is 85°F with 55% relative humidity and a dew point of 67°F; at 6 a.m. it is 69°F with 94% humidity. The wind averages 6.9 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. | 69°F | 68°F | 94% | 3.5 mph | 35% |
| 9 a.m. | 79°F | 69°F | 71% | 7.7 mph | – |
| noon | 85°F | 67°F | 56% | 9.2 mph | – |
| 3 p.m. | 85°F | 67°F | 55% | 10.9 mph | – |
| 6 p.m. | 81°F | 68°F | 63% | 9.9 mph | – |
| 9 p.m. | 75°F | 69°F | 80% | 6.0 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013889. 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 Jacksonville?
The warmest May temperature on Jacksonville's official record (since 1871) is 100°F, on May 13, 1967; the coldest is 45°F, on May 4, 1971. The wettest May brought 14.80 in (1903).
The May mean against the 1991-2020 normal of 74.9°F: 2021 72.3°F (−2.6), 2022 75.5°F (+0.6), 2023 74.2°F (−0.7), 2024 78.3°F (+3.4), 2025 78.6°F (+3.7), 2026 76.8°F (+1.9). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.3°F | −2.6°F | 0.48 in |
| 2022 | 75.5°F | +0.6°F | 4.88 in |
| 2023 | 74.2°F | −0.7°F | 5.68 in |
| 2024 | 78.3°F | +3.4°F | 3.05 in |
| 2025 | 78.6°F | +3.7°F | 3.34 in |
| 2026 | 76.8°F | +1.9°F | 8.09 in |
Source: records: ACIS, NWS threaded record JAXthr; recent months: ACIS, station USW00013889. Records and recent months use complete months only.
How does May in Jacksonville 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; Jacksonville's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.