Cary weather in May: Cary, North Carolina: normal highs, lows, rain and records for May
Cary in May has a normal high of 78°F and a normal low of 56°F, a daily mean of 67°F, rising from 75°F on the 1st to 81°F by the 31st. The month brings 3.74 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 13°C, 95 mm of precipitation in May.
- NOAA stationCary
- Station IDUSC00311535
- Location35.72°N 78.79°W
- Elevation390 ft (119 m)
- From the center5 miles
- Population182,659
- Jan 50° 31°
- Feb 54° 33°
- Mar 61° 39°
- Apr 71° 47°
- May 78° 56°
- Jun 85° 65°
- Jul 88° 69°
- Aug 86° 68°
- Sep 80° 62°
- Oct 71° 50°
- Nov 62° 39°
- Dec 53° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cary in May?
The normal high is 78°F and the normal low 56°F, for a daily mean of 67.2°F. May is 8.2°F warmer than April and 7.6°F cooler than June. May is the 5th warmest month of the year in Cary and the 6th wettest. Across the month the normal high rises 6°F, from 75°F on May 1 to 81°F on May 31. From one year to the next May's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Mays in three average between 64°F and 70°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 75°F | 52°F | – | – |
| May 8 | 77°F | 54°F | – | – |
| May 15 | 78°F | 56°F | – | – |
| May 22 | 79°F | 58°F | – | – |
| May 31 | 81°F | 61°F | – | – |
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 | 75°F | 52°F | – | – | 13 h 40 min |
| May 2 | 75°F | 52°F | – | – | 13 h 40 min |
| May 3 | 76°F | 52°F | – | – | 13 h 40 min |
| May 4 | 76°F | 53°F | – | – | 13 h 40 min |
| May 5 | 76°F | 53°F | – | – | 13 h 40 min |
| May 6 | 76°F | 53°F | – | – | 13 h 50 min |
| May 7 | 76°F | 54°F | – | – | 13 h 50 min |
| May 8 | 77°F | 54°F | – | – | 13 h 50 min |
| May 9 | 77°F | 54°F | – | – | 13 h 50 min |
| May 10 | 77°F | 55°F | – | – | 13 h 50 min |
| May 11 | 77°F | 55°F | – | – | 13 h 50 min |
| May 12 | 77°F | 55°F | – | – | 14 h |
| May 13 | 78°F | 55°F | – | – | 14 h |
| May 14 | 78°F | 56°F | – | – | 14 h |
| May 15 | 78°F | 56°F | – | – | 14 h |
| May 16 | 78°F | 56°F | – | – | 14 h |
| May 17 | 78°F | 57°F | – | – | 14 h |
| May 18 | 78°F | 57°F | – | – | 14 h 10 min |
| May 19 | 79°F | 57°F | – | – | 14 h 10 min |
| May 20 | 79°F | 58°F | – | – | 14 h 10 min |
| May 21 | 79°F | 58°F | – | – | 14 h 10 min |
| May 22 | 79°F | 58°F | – | – | 14 h 10 min |
| May 23 | 79°F | 59°F | – | – | 14 h 10 min |
| May 24 | 80°F | 59°F | – | – | 14 h 10 min |
| May 25 | 80°F | 59°F | – | – | 14 h 20 min |
| May 26 | 80°F | 59°F | – | – | 14 h 20 min |
| May 27 | 80°F | 60°F | – | – | 14 h 20 min |
| May 28 | 81°F | 60°F | – | – | 14 h 20 min |
| May 29 | 81°F | 60°F | – | – | 14 h 20 min |
| May 30 | 81°F | 61°F | – | – | 14 h 20 min |
| May 31 | 81°F | 61°F | – | – | 14 h 20 min |
- Normal high
- 78°FMay average
- Normal low
- 56°FMay average
- Precipitation
- 3.74 inmonth total
- Days at 90°F or more
- 1
- Daylight
- 13 h 40 min to 14 h 20 minMay 1 to May 31
- Days at 70°F or more
- 26
- Days at 80°F or more
- 16
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00311535; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Cary in May?
In a normal May in Cary, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00311535.
What are the records for May in Cary?
The May mean against the 1991-2020 normal of 67.2°F: 2021 65.7°F (−1.5), 2022 68.3°F (+1.1), 2023 63.5°F (−3.7), 2024 69.9°F (+2.7), 2025 67.5°F (+0.3), 2026 65.8°F (−1.4). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 65.7°F | −1.5°F | 2.01 in |
| 2022 | 68.3°F | +1.1°F | 8.64 in |
| 2023 | 63.5°F | −3.7°F | 2.30 in |
| 2024 | 69.9°F | +2.7°F | 4.31 in |
| 2025 | 67.5°F | +0.3°F | 6.98 in |
| 2026 | 65.8°F | −1.4°F | 2.22 in |
Source: recent months: ACIS, station USC00311535. Records and recent months use complete months only.
How does May in Cary compare across North Carolina?
Across the 131 places PlainClimate covers in North Carolina, May normal highs run from 61°F in Beech Mountain to 83°F in Laurinburg; Cary's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.