Tempe weather in May: Tempe, Arizona: normal highs, lows, rain and records for May
Tempe in May has a normal high of 95°F and a normal low of 59°F, a daily mean of 77°F, rising from 90°F on the 1st to 100°F by the 31st. Measurable precipitation falls on 1 days in a normal May, 0.18 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 35°C and low of 15°C, 5 mm of precipitation in May.
- NOAA stationTempe ASU
- Station IDUSC00028499
- Location33.43°N 111.92°W
- Elevation1,167 ft (356 m)
- From the center3 miles
- Population190,114
- Jan 71° 39°
- Feb 74° 41°
- Mar 80° 46°
- Apr 87° 51°
- May 95° 59°
- Jun 104° 67°
- Jul 106° 76°
- Aug 105° 75°
- Sep 101° 69°
- Oct 91° 56°
- Nov 79° 45°
- Dec 69° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Tempe in May?
The normal high is 95°F and the normal low 59°F, for a daily mean of 77.1°F. May is 8.2°F warmer than April and 8.2°F cooler than June. May is the 5th warmest month of the year in Tempe and the 11th wettest. Across the month the normal high rises 10°F, from 90°F on May 1 to 100°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 74°F and 80°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 4%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 90°F | 55°F | 4% | 1% |
| May 8 | 92°F | 57°F | 4% | 1% |
| May 15 | 95°F | 59°F | 4% | 2% |
| May 22 | 97°F | 61°F | 4% | 1% |
| May 31 | 100°F | 63°F | 3% | 1% |
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 | 90°F | 55°F | 4% | 1% | 13 h 30 min |
| May 2 | 91°F | 55°F | 4% | 1% | 13 h 30 min |
| May 3 | 91°F | 56°F | 4% | 1% | 13 h 30 min |
| May 4 | 91°F | 56°F | 4% | 1% | 13 h 30 min |
| May 5 | 92°F | 56°F | 4% | 1% | 13 h 40 min |
| May 6 | 92°F | 57°F | 4% | 1% | 13 h 40 min |
| May 7 | 92°F | 57°F | 4% | 1% | 13 h 40 min |
| May 8 | 92°F | 57°F | 4% | 1% | 13 h 40 min |
| May 9 | 93°F | 58°F | 4% | 1% | 13 h 40 min |
| May 10 | 93°F | 58°F | 4% | 1% | 13 h 40 min |
| May 11 | 93°F | 58°F | 4% | 1% | 13 h 50 min |
| May 12 | 94°F | 58°F | 4% | 1% | 13 h 50 min |
| May 13 | 94°F | 59°F | 4% | 2% | 13 h 50 min |
| May 14 | 94°F | 59°F | 4% | 2% | 13 h 50 min |
| May 15 | 95°F | 59°F | 4% | 2% | 13 h 50 min |
| May 16 | 95°F | 59°F | 4% | 2% | 13 h 50 min |
| May 17 | 95°F | 60°F | 4% | 2% | 13 h 50 min |
| May 18 | 96°F | 60°F | 4% | 2% | 14 h |
| May 19 | 96°F | 60°F | 4% | 2% | 14 h |
| May 20 | 96°F | 60°F | 4% | 1% | 14 h |
| May 21 | 97°F | 60°F | 4% | 1% | 14 h |
| May 22 | 97°F | 61°F | 4% | 1% | 14 h |
| May 23 | 97°F | 61°F | 4% | 1% | 14 h |
| May 24 | 98°F | 61°F | 3% | 1% | 14 h |
| May 25 | 98°F | 61°F | 3% | 1% | 14 h 10 min |
| May 26 | 98°F | 62°F | 3% | 1% | 14 h 10 min |
| May 27 | 99°F | 62°F | 3% | 1% | 14 h 10 min |
| May 28 | 99°F | 62°F | 3% | 1% | 14 h 10 min |
| May 29 | 99°F | 62°F | 3% | 1% | 14 h 10 min |
| May 30 | 100°F | 62°F | 3% | 1% | 14 h 10 min |
| May 31 | 100°F | 63°F | 3% | 1% | 14 h 10 min |
- Normal high
- 95°FMay average
- Normal low
- 59°FMay average
- Precipitation
- 0.18 inmonth total
- Days with precipitation
- 10.01 inch or more
- Days at 90°F or more
- 24
- Daylight
- 13 h 30 min to 14 h 10 minMay 1 to May 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 30
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00028499; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Tempe in May?
On a given May day the chance of 0.01 inch or more is 4% on average, highest around May 9 (4%). In all, 0.18 in falls on 1 days of a normal May.
In a normal May in Tempe, 24 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00028499.
What are the records for May in Tempe?
The warmest May temperature on this station's record (since 1948) is 113°F, on May 27, 1951; the coldest is 35°F, on May 8, 1965. The wettest May brought 1.83 in (2015).
The May mean against the 1991-2020 normal of 77.1°F: 2024 78.8°F (+1.7), 2026 80.3°F (+3.2). 2 of 2 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2024 | 78.8°F | +1.7°F | 0.00 in |
| 2026 | 80.3°F | +3.2°F | 0.00 in |
Source: records: ACIS, station USC00028499; recent months: ACIS, station USC00028499. Records and recent months use complete months only.
How does May in Tempe 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; Tempe's is 95°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.