Sierra Vista weather in May: Sierra Vista, Arizona: normal highs, lows, rain and records for May
Sierra Vista in May has a normal high of 85°F and a normal low of 50°F, a daily mean of 68°F, rising from 80°F on the 1st to 91°F by the 31st. Measurable precipitation falls on 1 days in a normal May, 0.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 10°C, 5 mm of precipitation in May.
- NOAA stationSierra Vista
- Station IDUSC00027880
- Location31.54°N 110.28°W
- Elevation4,606 ft (1,404 m)
- Population44,710
- Jan 61° 30°
- Feb 64° 33°
- Mar 71° 38°
- Apr 78° 43°
- May 85° 50°
- Jun 94° 60°
- Jul 92° 63°
- Aug 90° 62°
- Sep 87° 57°
- Oct 80° 47°
- Nov 70° 37°
- Dec 62° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Sierra Vista in May?
The normal high is 85°F and the normal low 50°F, for a daily mean of 67.7°F. May is 7.5°F warmer than April and 9.1°F cooler than June. May is the 5th warmest month of the year in Sierra Vista and the 12th wettest. Across the month the normal high rises 11°F, from 80°F on May 1 to 91°F on May 31. From one year to the next May's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Mays in three average between 65°F and 70°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 5%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 80°F | 46°F | 3% | 1% |
| May 8 | 82°F | 48°F | 3% | 2% |
| May 15 | 84°F | 50°F | 4% | 2% |
| May 22 | 87°F | 52°F | 4% | 2% |
| May 31 | 91°F | 55°F | 5% | 3% |
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 | 80°F | 46°F | 3% | 1% | 13 h 20 min |
| May 2 | 81°F | 46°F | 3% | 1% | 13 h 20 min |
| May 3 | 81°F | 47°F | 3% | 1% | 13 h 30 min |
| May 4 | 81°F | 47°F | 3% | 1% | 13 h 30 min |
| May 5 | 81°F | 47°F | 3% | 1% | 13 h 30 min |
| May 6 | 82°F | 47°F | 3% | 1% | 13 h 30 min |
| May 7 | 82°F | 48°F | 3% | 2% | 13 h 30 min |
| May 8 | 82°F | 48°F | 3% | 2% | 13 h 30 min |
| May 9 | 82°F | 48°F | 3% | 2% | 13 h 40 min |
| May 10 | 83°F | 48°F | 4% | 2% | 13 h 40 min |
| May 11 | 83°F | 49°F | 4% | 2% | 13 h 40 min |
| May 12 | 83°F | 49°F | 4% | 2% | 13 h 40 min |
| May 13 | 84°F | 49°F | 4% | 2% | 13 h 40 min |
| May 14 | 84°F | 50°F | 4% | 2% | 13 h 40 min |
| May 15 | 84°F | 50°F | 4% | 2% | 13 h 40 min |
| May 16 | 85°F | 50°F | 4% | 2% | 13 h 50 min |
| May 17 | 85°F | 51°F | 4% | 2% | 13 h 50 min |
| May 18 | 86°F | 51°F | 4% | 2% | 13 h 50 min |
| May 19 | 86°F | 51°F | 4% | 2% | 13 h 50 min |
| May 20 | 86°F | 52°F | 4% | 2% | 13 h 50 min |
| May 21 | 87°F | 52°F | 4% | 2% | 13 h 50 min |
| May 22 | 87°F | 52°F | 4% | 2% | 13 h 50 min |
| May 23 | 87°F | 53°F | 4% | 2% | 13 h 50 min |
| May 24 | 88°F | 53°F | 4% | 2% | 14 h |
| May 25 | 88°F | 53°F | 4% | 3% | 14 h |
| May 26 | 89°F | 54°F | 5% | 3% | 14 h |
| May 27 | 89°F | 54°F | 5% | 3% | 14 h |
| May 28 | 90°F | 54°F | 5% | 3% | 14 h |
| May 29 | 90°F | 55°F | 5% | 3% | 14 h |
| May 30 | 90°F | 55°F | 5% | 3% | 14 h |
| May 31 | 91°F | 55°F | 5% | 3% | 14 h |
- Normal high
- 85°FMay average
- Normal low
- 50°FMay average
- Precipitation
- 0.20 inmonth total
- Days with precipitation
- 10.01 inch or more
- Days at 90°F or more
- 9
- Daylight
- 13 h 20 min to 14 hMay 1 to May 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 26
- Sunshine
- 94%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00027880; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Sierra Vista in May?
On a given May day the chance of 0.01 inch or more is 4% on average, highest around May 31 (5%). In all, 0.20 in falls on 1 days of a normal May.
In a normal May in Sierra Vista, 9 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00027880.
What are the records for May in Sierra Vista?
The May mean against the 1991-2020 normal of 67.7°F: 2021 68.5°F (+0.8), 2022 70.0°F (+2.3), 2023 66.4°F (−1.3), 2024 67.5°F (−0.2), 2025 67.4°F (−0.3), 2026 67.7°F (at normal). 2 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 68.5°F | +0.8°F | 0.03 in |
| 2022 | 70.0°F | +2.3°F | 0.00 in |
| 2023 | 66.4°F | −1.3°F | 0.38 in |
| 2024 | 67.5°F | −0.2°F | 0.00 in |
| 2025 | 67.4°F | −0.3°F | 0.00 in |
| 2026 | 67.7°F | at normal | 0.49 in |
Source: recent months: ACIS, station USC00027880. Records and recent months use complete months only.
How does May in Sierra Vista compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, May normal highs run from 66°F in Greer to 98°F in Gila Bend; Sierra Vista's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.