Jacksonville, FL weather in May
In May, Jacksonville sees highs around 86°F and lows around 64°F: warm and often humid, with some rain. Rain falls on about 7 days.
- Normal high
- 86°F
- Normal low
- 64°F
- Wet days
- 7
- 3.4 in total
- Muggy days
- 15
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 83°F | 88°F |
| Normal low | 60°F | 68°F |
| Chance of a wet day | 20% | 33% |
| Sunrise / sunset | 6:43 am / 8:04 pm | 6:25 am / 8:23 pm |
| Daylight | 13.3 h | 14.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical May day
- 6 am70°Fdew point 64°F
- 9 am77°Fdew point 64°F
- Noon83°Fdew point 62°F
- 3 pm85°Fdew point 61°F
- 6 pm81°Fdew point 62°F
- 9 pm76°Fdew point 64°F
NOAA hourly normals (local standard time) from Jacksonville NAS (7 mi away); average wind 9 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
- Hot dayshigh 90°F or more8 of 31
- Muggy daysdaily mean dew point 65°F or more15 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 3.4 in; a dry May brings about 1.2 in and a wet one about 4.9 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How May varies from year to year
- Warmest May, 1991-20202019: average high 90°F
- Coolest May2013: average high 82°F
- Wettest May2009: 13.5 in
- Driest May2002: 0.5 in
- Highest reading100°F (May 27, 2019)
- Lowest reading45°F (May 6, 2016)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 80°F | 86°F | 90°F |
| Normal low | 56°F | 64°F | 71°F |
| Wet days | 6 | 7 | 14 |
| Comfortable days | 11 | 3 | 0 |
| Daylight | 12.9 h | 13.7 h | 14.1 h |
Highs change by +6°F from April and +4°F into June.
Nearby alternatives in May
- Cooler: Charleston, SC197 mi · high 79°F · 7 wet days
How Jacksonville ranks in May
- Normal high47th warmest of 378 cities; 14th of 23 in Florida
- Wet days111th driest of 378
- Comfortable days287th most of 339
What to pack for Jacksonville in May
- Light, breathable clothing – highs near 86°F and about 15 muggy days
Heating and cooling
May has 4 heating degree days and 311 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How hot is Jacksonville in May?
The normal high is 86°F and the normal low is 64°F. From 1991 to 2020 the hottest May reading was 100°F (May 27, 2019).
Does it rain a lot in Jacksonville in May?
About 7 days in May have at least 0.01 in of precipitation, and the normal total is 3.4 in. The wettest May in 1991-2020 was in 2009 (13.5 in); the driest was in 2002 (0.5 in).
Is May a good time to visit Jacksonville?
May ranks 8th of 12 months on our comfort score for Jacksonville (51 out of 100). It has about 3 comfortable days and about 8 days at 90°F or hotter. The best months are February, March and November.
Where the numbers come from
- Temperature and rain: Jacksonville (USW00013889), 11 mi NNW of the city center, 33 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Jacksonville Beach (USC00084366), 16 mi E of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Frost dates and humidity and wind by hour: Jacksonville NAS (USW00093837), 6.9 mi S of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Jacksonville NAS (722065-93837), 6.9 mi S of the city center, 20 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).