Zion National Park weather in May: Zion National Park, Utah: normal highs, lows, rain and records for May
Zion National Park in May has a normal high of 84°F and a normal low of 53°F, a daily mean of 68°F, rising from 77°F on the 1st to 90°F by the 31st. Measurable precipitation falls on 5 days in a normal May, 0.77 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 11°C, 20 mm of precipitation in May.
- NOAA stationZion National Park
- Station IDUSC00429717
- Location37.21°N 112.98°W
- Elevation4,038 ft (1,231 m)
- Jan 54° 30°
- Feb 58° 34°
- Mar 66° 39°
- Apr 73° 44°
- May 84° 53°
- Jun 95° 62°
- Jul 100° 70°
- Aug 98° 69°
- Sep 91° 61°
- Oct 78° 49°
- Nov 64° 37°
- Dec 53° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Zion National Park in May?
The normal high is 84°F and the normal low 53°F, for a daily mean of 68.0°F. May is 9.6°F warmer than April and 10.8°F cooler than June. May is the 5th warmest month of the year in Zion National Park and the 11th wettest. Across the month the normal high rises 13°F, from 77°F on May 1 to 90°F on May 31. From one year to the next May's mean temperature typically moves about 3.7°F either way (NOAA's standard deviation), so roughly two Mays in three average between 64°F and 72°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 17%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 77°F | 48°F | 17% | 9% |
| May 8 | 80°F | 50°F | 16% | 9% |
| May 15 | 83°F | 52°F | 15% | 8% |
| May 22 | 86°F | 55°F | 13% | 7% |
| May 31 | 90°F | 57°F | 11% | 5% |
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 | 77°F | 48°F | 17% | 9% | 13 h 40 min |
| May 2 | 77°F | 48°F | 17% | 9% | 13 h 40 min |
| May 3 | 78°F | 48°F | 17% | 9% | 13 h 50 min |
| May 4 | 78°F | 49°F | 17% | 9% | 13 h 50 min |
| May 5 | 79°F | 49°F | 16% | 9% | 13 h 50 min |
| May 6 | 79°F | 49°F | 16% | 9% | 13 h 50 min |
| May 7 | 79°F | 50°F | 16% | 9% | 13 h 50 min |
| May 8 | 80°F | 50°F | 16% | 9% | 14 h |
| May 9 | 80°F | 50°F | 16% | 8% | 14 h |
| May 10 | 81°F | 51°F | 16% | 8% | 14 h |
| May 11 | 81°F | 51°F | 15% | 8% | 14 h |
| May 12 | 82°F | 51°F | 15% | 8% | 14 h |
| May 13 | 82°F | 52°F | 15% | 8% | 14 h |
| May 14 | 83°F | 52°F | 15% | 8% | 14 h 10 min |
| May 15 | 83°F | 52°F | 15% | 8% | 14 h 10 min |
| May 16 | 83°F | 53°F | 14% | 8% | 14 h 10 min |
| May 17 | 84°F | 53°F | 14% | 8% | 14 h 10 min |
| May 18 | 84°F | 53°F | 14% | 7% | 14 h 10 min |
| May 19 | 85°F | 54°F | 14% | 7% | 14 h 10 min |
| May 20 | 85°F | 54°F | 14% | 7% | 14 h 20 min |
| May 21 | 86°F | 54°F | 13% | 7% | 14 h 20 min |
| May 22 | 86°F | 55°F | 13% | 7% | 14 h 20 min |
| May 23 | 87°F | 55°F | 13% | 7% | 14 h 20 min |
| May 24 | 87°F | 55°F | 13% | 7% | 14 h 20 min |
| May 25 | 88°F | 55°F | 13% | 6% | 14 h 20 min |
| May 26 | 88°F | 56°F | 12% | 6% | 14 h 20 min |
| May 27 | 88°F | 56°F | 12% | 6% | 14 h 30 min |
| May 28 | 89°F | 56°F | 12% | 6% | 14 h 30 min |
| May 29 | 89°F | 57°F | 12% | 6% | 14 h 30 min |
| May 30 | 90°F | 57°F | 11% | 6% | 14 h 30 min |
| May 31 | 90°F | 57°F | 11% | 5% | 14 h 30 min |
- Normal high
- 84°FMay average
- Normal low
- 53°FMay average
- Precipitation
- 0.77 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 10
- Daylight
- 13 h 40 min to 14 h 30 minMay 1 to May 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 23
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00429717; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Zion National Park in May?
On a given May day the chance of 0.01 inch or more is 14% on average, highest around May 1 (17%). In all, 0.77 in falls on 5 days of a normal May.
In a normal May in Zion National Park, 10 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00429717.
What are the records for May in Zion National Park?
The warmest May temperature on this station's record (since 1904) is 106°F, on May 28, 2003; the coldest is 22°F, on May 1, 1967. The wettest May brought 4.49 in (2019).
The May mean against the 1991-2020 normal of 68.0°F: 2022 65.7°F (−2.3), 2024 68.5°F (+0.5), 2025 70.1°F (+2.1), 2026 71.1°F (+3.1). 3 of 4 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 65.7°F | −2.3°F | 0.00 in |
| 2024 | 68.5°F | +0.5°F | 0.26 in |
| 2025 | 70.1°F | +2.1°F | 0.77 in |
| 2026 | 71.1°F | +3.1°F | 0.21 in |
Source: records: ACIS, station USC00429717; recent months: ACIS, station USC00429717. Records and recent months use complete months only.
How does May in Zion National Park compare across Utah?
Across the 97 places PlainClimate covers in Utah, May normal highs run from 53°F in Alta to 85°F in St. George; Zion National Park's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Zion National Park in April73°F by day, 44°F at night
- Zion National Park in June95°F by day, 62°F at night
- Zion National Park through the yearEvery month, frost dates, records and recent years
- Utah in MayThe statewide normal and the warmest and coolest places
- St. George: Utah's warmest Maynormal high 85°F