Roswell weather in May: Roswell, New Mexico: normal highs, lows, rain and records for May
Roswell in May has a normal high of 88°F and a normal low of 57°F, a daily mean of 72°F, rising from 83°F on the 1st to 93°F by the 31st. Measurable precipitation falls on 4 days in a normal May, 1.14 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 14°C, 29 mm of precipitation in May.
- NOAA stationRoswell Industrial Air Park
- Station IDUSW00023009
- Location33.31°N 104.51°W
- Elevation3,649 ft (1,112 m)
- Population47,176
- Jan 57° 28°
- Feb 63° 33°
- Mar 71° 39°
- Apr 79° 47°
- May 88° 57°
- Jun 96° 66°
- Jul 97° 70°
- Aug 95° 69°
- Sep 88° 61°
- Oct 78° 49°
- Nov 66° 36°
- Dec 57° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Roswell in May?
The normal high is 88°F and the normal low 57°F, for a daily mean of 72.3°F. May is 9.1°F warmer than April and 8.7°F cooler than June. May is the 5th warmest month of the year in Roswell and the 6th wettest. Across the month the normal high rises 10°F, from 83°F on May 1 to 93°F on May 31. From one year to the next May's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Mays in three average between 69°F and 75°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 13%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 83°F | 52°F | 10% | 5% |
| May 8 | 85°F | 54°F | 11% | 6% |
| May 15 | 87°F | 56°F | 12% | 7% |
| May 22 | 90°F | 59°F | 13% | 7% |
| May 31 | 93°F | 62°F | 13% | 7% |
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 | 52°F | 10% | 5% | 13 h 30 min |
| May 2 | 83°F | 52°F | 10% | 5% | 13 h 30 min |
| May 3 | 83°F | 52°F | 10% | 6% | 13 h 30 min |
| May 4 | 84°F | 53°F | 11% | 6% | 13 h 30 min |
| May 5 | 84°F | 53°F | 11% | 6% | 13 h 40 min |
| May 6 | 84°F | 53°F | 11% | 6% | 13 h 40 min |
| May 7 | 85°F | 54°F | 11% | 6% | 13 h 40 min |
| May 8 | 85°F | 54°F | 11% | 6% | 13 h 40 min |
| May 9 | 85°F | 54°F | 11% | 6% | 13 h 40 min |
| May 10 | 86°F | 55°F | 12% | 6% | 13 h 40 min |
| May 11 | 86°F | 55°F | 12% | 6% | 13 h 50 min |
| May 12 | 86°F | 55°F | 12% | 6% | 13 h 50 min |
| May 13 | 87°F | 56°F | 12% | 6% | 13 h 50 min |
| May 14 | 87°F | 56°F | 12% | 7% | 13 h 50 min |
| May 15 | 87°F | 56°F | 12% | 7% | 13 h 50 min |
| May 16 | 88°F | 57°F | 12% | 7% | 13 h 50 min |
| May 17 | 88°F | 57°F | 12% | 7% | 13 h 50 min |
| May 18 | 88°F | 57°F | 13% | 7% | 14 h |
| May 19 | 89°F | 58°F | 13% | 7% | 14 h |
| May 20 | 89°F | 58°F | 13% | 7% | 14 h |
| May 21 | 90°F | 59°F | 13% | 7% | 14 h |
| May 22 | 90°F | 59°F | 13% | 7% | 14 h |
| May 23 | 90°F | 59°F | 13% | 7% | 14 h |
| May 24 | 91°F | 60°F | 13% | 7% | 14 h |
| May 25 | 91°F | 60°F | 13% | 7% | 14 h |
| May 26 | 92°F | 60°F | 13% | 7% | 14 h 10 min |
| May 27 | 92°F | 61°F | 13% | 7% | 14 h 10 min |
| May 28 | 92°F | 61°F | 13% | 7% | 14 h 10 min |
| May 29 | 93°F | 61°F | 13% | 7% | 14 h 10 min |
| May 30 | 93°F | 61°F | 13% | 7% | 14 h 10 min |
| May 31 | 93°F | 62°F | 13% | 7% | 14 h 10 min |
- Normal high
- 88°FMay average
- Normal low
- 57°FMay average
- Precipitation
- 1.14 inmonth total
- Days with precipitation
- 40.01 inch or more
- Days at 90°F or more
- 14
- Daylight
- 13 h 30 min to 14 h 10 minMay 1 to May 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 25
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023009; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Roswell in May?
On a given May day the chance of 0.01 inch or more is 12% on average, highest around May 31 (13%). In all, 1.14 in falls on 4 days of a normal May.
In a normal May in Roswell, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023009.
How humid and windy is Roswell in May?
At 3 p.m. the normal temperature is 90°F with 18% relative humidity and a dew point of 40°F; at 6 a.m. it is 64°F with 52% humidity. The wind averages 9.9 mph, most often from the south in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 64°F | 46°F | 52% | 6.5 mph | 81% |
| 9 a.m. | 77°F | 47°F | 35% | 9.0 mph | 83% |
| noon | 86°F | 43°F | 22% | 10.5 mph | 90% |
| 3 p.m. | 90°F | 40°F | 18% | 12.9 mph | 84% |
| 6 p.m. | 87°F | 39°F | 18% | 13.7 mph | 85% |
| 9 p.m. | 75°F | 41°F | 29% | 10.4 mph | 88% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023009. 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 Roswell?
The warmest May temperature on Roswell's official record (since 1893) is 107°F, on May 30, 1896; the coldest is 27°F, on May 11, 1913. The wettest May brought 6.41 in (1941).
The May mean against the 1991-2020 normal of 72.3°F: 2021 72.7°F (+0.4), 2022 76.0°F (+3.7), 2023 73.0°F (+0.7), 2024 75.2°F (+2.9), 2025 71.3°F (−1.0), 2026 71.0°F (−1.3). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.7°F | +0.4°F | 5.14 in |
| 2022 | 76.0°F | +3.7°F | 0.02 in |
| 2023 | 73.0°F | +0.7°F | 0.65 in |
| 2024 | 75.2°F | +2.9°F | 0.33 in |
| 2025 | 71.3°F | −1.0°F | 1.51 in |
| 2026 | 71.0°F | −1.3°F | 1.67 in |
Source: records: ACIS, NWS threaded record ROWthr; recent months: ACIS, station USW00023009. Records and recent months use complete months only.
How does May in Roswell compare across New Mexico?
Across the 98 places PlainClimate covers in New Mexico, May normal highs run from 62°F in Red River to 91°F in Lordsburg; Roswell's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.