Atlantic City weather in May: Atlantic City, New Jersey: normal highs, lows, rain and records for May
Atlantic City in May has a normal high of 73°F and a normal low of 51°F, a daily mean of 62°F, rising from 69°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 3.34 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 11°C, 85 mm of precipitation in May.
- NOAA stationAtlantic City International Airport
- Station IDUSW00093730
- Location39.45°N 74.57°W
- Elevation60 ft (18 m)
- From the center8 miles
- Population38,959
- Jan 43° 25°
- Feb 46° 26°
- Mar 53° 33°
- Apr 63° 42°
- May 73° 51°
- Jun 82° 61°
- Jul 87° 67°
- Aug 85° 65°
- Sep 79° 58°
- Oct 68° 46°
- Nov 57° 37°
- Dec 48° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Atlantic City in May?
The normal high is 73°F and the normal low 51°F, for a daily mean of 61.9°F. May is 9.4°F warmer than April and 9.5°F cooler than June. May is the 5th warmest month of the year in Atlantic City and the 10th wettest. Across the month the normal high rises 8°F, from 69°F on May 1 to 77°F on May 31. From one year to the next May's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Mays in three average between 59°F and 65°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 69°F | 47°F | 36% | 21% |
| May 8 | 71°F | 49°F | 35% | 21% |
| May 15 | 72°F | 51°F | 35% | 21% |
| May 22 | 74°F | 53°F | 34% | 21% |
| May 31 | 77°F | 56°F | 34% | 21% |
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 | 69°F | 47°F | 36% | 21% | 13 h 50 min |
| May 2 | 69°F | 47°F | 36% | 21% | 13 h 50 min |
| May 3 | 69°F | 47°F | 36% | 21% | 13 h 50 min |
| May 4 | 70°F | 48°F | 36% | 21% | 14 h |
| May 5 | 70°F | 48°F | 36% | 21% | 14 h |
| May 6 | 70°F | 48°F | 35% | 21% | 14 h |
| May 7 | 70°F | 49°F | 35% | 21% | 14 h |
| May 8 | 71°F | 49°F | 35% | 21% | 14 h |
| May 9 | 71°F | 49°F | 35% | 21% | 14 h 10 min |
| May 10 | 71°F | 50°F | 35% | 21% | 14 h 10 min |
| May 11 | 71°F | 50°F | 35% | 21% | 14 h 10 min |
| May 12 | 72°F | 50°F | 35% | 21% | 14 h 10 min |
| May 13 | 72°F | 50°F | 35% | 21% | 14 h 10 min |
| May 14 | 72°F | 51°F | 35% | 21% | 14 h 20 min |
| May 15 | 72°F | 51°F | 35% | 21% | 14 h 20 min |
| May 16 | 72°F | 51°F | 35% | 21% | 14 h 20 min |
| May 17 | 73°F | 52°F | 35% | 21% | 14 h 20 min |
| May 18 | 73°F | 52°F | 35% | 21% | 14 h 20 min |
| May 19 | 73°F | 52°F | 34% | 21% | 14 h 30 min |
| May 20 | 73°F | 53°F | 34% | 21% | 14 h 30 min |
| May 21 | 74°F | 53°F | 34% | 21% | 14 h 30 min |
| May 22 | 74°F | 53°F | 34% | 21% | 14 h 30 min |
| May 23 | 74°F | 54°F | 34% | 21% | 14 h 30 min |
| May 24 | 75°F | 54°F | 34% | 21% | 14 h 30 min |
| May 25 | 75°F | 54°F | 34% | 21% | 14 h 40 min |
| May 26 | 75°F | 55°F | 34% | 21% | 14 h 40 min |
| May 27 | 75°F | 55°F | 34% | 21% | 14 h 40 min |
| May 28 | 76°F | 55°F | 34% | 21% | 14 h 40 min |
| May 29 | 76°F | 56°F | 34% | 21% | 14 h 40 min |
| May 30 | 76°F | 56°F | 34% | 21% | 14 h 40 min |
| May 31 | 77°F | 56°F | 34% | 21% | 14 h 40 min |
- Normal high
- 73°FMay average
- Normal low
- 51°FMay average
- Precipitation
- 3.34 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 50 min to 14 h 40 minMay 1 to May 31
- Days at 70°F or more
- 18
- Days at 80°F or more
- 7
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093730; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Atlantic City in May?
On a given May day the chance of 0.01 inch or more is 35% on average, highest around May 1 (36%). In all, 3.34 in falls on 11 days of a normal May, 1 of them with an inch or more.
In a normal May in Atlantic City, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093730.
How humid and windy is Atlantic City in May?
At 3 p.m. the normal temperature is 74°F with 54% relative humidity and a dew point of 56°F; at 6 a.m. it is 61°F with 85% humidity. The wind averages 8.1 mph, most often from the south in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 61°F | 57°F | 85% | 5.7 mph | 61% |
| 9 a.m. | 70°F | 57°F | 64% | 9.2 mph | 63% |
| noon | 74°F | 56°F | 54% | 10.6 mph | 56% |
| 3 p.m. | 74°F | 56°F | 54% | 11.9 mph | 63% |
| 6 p.m. | 70°F | 56°F | 61% | 9.6 mph | 64% |
| 9 p.m. | 64°F | 57°F | 77% | 6.5 mph | 62% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093730. 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 Atlantic City?
The warmest May temperature on Atlantic City's official record (since 1943) is 99°F, on May 29, 1969; the coldest is 25°F, on May 11, 1966. The wettest May brought 11.51 in (1948).
The May mean against the 1991-2020 normal of 61.9°F: 2021 61.7°F (−0.2), 2022 63.5°F (+1.6), 2023 58.6°F (−3.3), 2024 64.2°F (+2.3), 2025 63.4°F (+1.5), 2026 62.8°F (+0.9). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.7°F | −0.2°F | 2.59 in |
| 2022 | 63.5°F | +1.6°F | 4.57 in |
| 2023 | 58.6°F | −3.3°F | 1.30 in |
| 2024 | 64.2°F | +2.3°F | 2.78 in |
| 2025 | 63.4°F | +1.5°F | 7.37 in |
| 2026 | 62.8°F | +0.9°F | 1.65 in |
Source: records: ACIS, NWS threaded record ACYthr; recent months: ACIS, station USW00093730. Records and recent months use complete months only.
How does May in Atlantic City compare across New Jersey?
Across the 33 places PlainClimate covers in New Jersey, May normal highs run from 68°F in Long Branch to 76°F in Belleplain; Atlantic City's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.