Zion National Park weather in August: Zion National Park, Utah: normal highs, lows, rain and records for August

Zion National Park in August has a normal high of 98°F and a normal low of 69°F, a daily mean of 83°F, falling from 100°F on the 1st to 95°F by the 31st. Measurable precipitation falls on 6 days in a normal August, 1.63 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 37°C and low of 20°C, 41 mm of precipitation in August.

  • NOAA stationZion National Park
  • Station IDUSC00429717
  • Location37.21°N 112.98°W
  • Elevation4,038 ft (1,231 m)
  1. Jan 54° 30°
  2. Feb 58° 34°
  3. Mar 66° 39°
  4. Apr 73° 44°
  5. May 84° 53°
  6. Jun 95° 62°
  7. Jul 100° 70°
  8. Aug 98° 69°
  9. Sep 91° 61°
  10. Oct 78° 49°
  11. Nov 64° 37°
  12. 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 August?

The normal high is 98°F and the normal low 69°F, for a daily mean of 83.3°F. August is 1.6°F cooler than July and 7.3°F warmer than September. August is the 2nd warmest month of the year in Zion National Park and the 5th wettest. Across the month the normal high falls 5°F, from 100°F on August 1 to 95°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 82°F and 85°F.

Zion National Park in August, day by day: normal high and low

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 19%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 1100°F70°F19%11%
August 899°F70°F19%11%
August 1598°F69°F19%10%
August 2297°F68°F19%10%
August 3195°F66°F18%9%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Zion National Park: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 1100°F70°F19%11%14 h
August 2100°F70°F19%11%14 h
August 3100°F70°F19%11%14 h
August 4100°F70°F19%11%14 h
August 5100°F70°F19%11%14 h
August 6100°F70°F19%11%14 h
August 799°F70°F19%11%13 h 50 min
August 899°F70°F19%11%13 h 50 min
August 999°F70°F19%11%13 h 50 min
August 1099°F70°F19%10%13 h 50 min
August 1199°F70°F19%10%13 h 50 min
August 1299°F69°F19%10%13 h 40 min
August 1399°F69°F19%10%13 h 40 min
August 1498°F69°F19%10%13 h 40 min
August 1598°F69°F19%10%13 h 40 min
August 1698°F69°F19%10%13 h 40 min
August 1798°F69°F19%10%13 h 30 min
August 1898°F69°F19%10%13 h 30 min
August 1998°F69°F19%10%13 h 30 min
August 2098°F68°F19%10%13 h 30 min
August 2197°F68°F19%10%13 h 30 min
August 2297°F68°F19%10%13 h 20 min
August 2397°F68°F19%10%13 h 20 min
August 2497°F68°F19%10%13 h 20 min
August 2597°F68°F19%10%13 h 20 min
August 2696°F67°F19%9%13 h 10 min
August 2796°F67°F18%9%13 h 10 min
August 2896°F67°F18%9%13 h 10 min
August 2996°F67°F18%9%13 h 10 min
August 3096°F67°F18%9%13 h 10 min
August 3195°F66°F18%9%13 h
Normal high
98°FAugust average
Normal low
69°FAugust average
Precipitation
1.63 inmonth total
Days with precipitation
60.01 inch or more
Days at 90°F or more
30
Daylight
14 h to 13 hAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
84%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 August?

On a given August day the chance of 0.01 inch or more is 19% on average, highest around August 3 (19%). In all, 1.63 in falls on 6 days of a normal August.

In a normal August in Zion National Park, 30 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00429717.

What are the records for August in Zion National Park?

The warmest August temperature on this station's record (since 1904) is 112°F, on August 16, 1939; the coldest is 45°F, on August 21, 1987. The wettest August brought 5.10 in (1922).

The August mean against the 1991-2020 normal of 83.3°F: 2021 82.8°F (−0.5), 2022 82.2°F (−1.1), 2023 80.3°F (−3.0), 2024 84.9°F (+1.6), 2025 84.2°F (+0.9), 2026 85.9°F (+2.6). 3 of 6 ran warmer than normal.

Zion National Park: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202182.8°F−0.5°F2.47 in
202282.2°F−1.1°F2.01 in
202380.3°F−3.0°F2.21 in
202484.9°F+1.6°F1.43 in
202584.2°F+0.9°F2.48 in
202685.9°F+2.6°F1.86 in

Source: records: ACIS, station USC00429717; recent months: ACIS, station USC00429717. Records and recent months use complete months only.

How does August in Zion National Park compare across Utah?

Across the 97 places PlainClimate covers in Utah, August normal highs run from 69°F in Brian Head to 100°F in St. George; Zion National Park's is 98°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places