Natural Bridges National Monument, Utah climate: Climate normals at a NOAA weather station
Natural Bridges National Monument's normal year runs from 20°F January nights to 89°F July afternoons, with 12.0 inches of precipitation and 32 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.4°C, January lows of −7°C, July highs of 31°C, 304 mm of precipitation a year.
- NOAA stationNatural Bridges National Monument
- Station IDUSC00426053
- Location37.61°N 109.98°W
- Elevation6,508 ft (1,984 m)
On October 23, the normal high in Natural Bridges National Monument is 60°F and the normal low 36°F, and the chance of measurable rain or snow is 16%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Natural Bridges National Monument.
- Jan 39° 20°
- Feb 43° 24°
- Mar 53° 30°
- Apr 61° 35°
- May 71° 44°
- Jun 83° 54°
- Jul 89° 60°
- Aug 85° 59°
- Sep 77° 51°
- Oct 63° 39°
- Nov 50° 29°
- Dec 39° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Natural Bridges National Monument each month?
July is the warmest month, with normal highs of 89°F; January the coldest, with normal lows of 20°F. The most precipitation falls in September (1.61 in), the least in June (0.38 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 39°F | 20°F | 29.5°F | 1.20 | 10.8 | 6 | <1 | 30 | 9 h 50 min |
| February | 43°F | 24°F | 33.5°F | 0.83 | 5.5 | 6 | <1 | 26 | 10 h 50 min |
| March | 53°F | 30°F | 41.4°F | 0.90 | 3.3 | 5 | <1 | 20 | 11 h 50 min |
| April | 61°F | 35°F | 47.7°F | 0.72 | 1.6 | 4 | <1 | 12 | 13 h 10 min |
| May | 71°F | 44°F | 57.5°F | 0.86 | 0.2 | 5 | <1 | 3 | 14 h 10 min |
| June | 83°F | 54°F | 68.4°F | 0.38 | 0.0 | 2 | 6 | <1 | 14 h 40 min |
| July | 89°F | 60°F | 74.3°F | 1.20 | 0.0 | 8 | 15 | <1 | 14 h 30 min |
| August | 85°F | 59°F | 71.8°F | 1.42 | 0.0 | 8 | 8 | <1 | 13 h 40 min |
| September | 77°F | 51°F | 64.1°F | 1.61 | 0.0 | 6 | 1 | <1 | 12 h 30 min |
| October | 63°F | 39°F | 51.2°F | 1.15 | 0.6 | 5 | <1 | 6 | 11 h 20 min |
| November | 50°F | 29°F | 39.5°F | 0.66 | 2.4 | 4 | <1 | 20 | 10 h 10 min |
| December | 39°F | 20°F | 29.8°F | 1.05 | 7.6 | 5 | <1 | 29 | 9 h 40 min |
| Year (annual) | 63°F | 39°F | 50.7°F | 11.98 | 32.0 | 65 | 30 | 147 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 4°C | −7°C | −1.4°C | 30 mm | 27 cm |
| February | 6°C | −5°C | 0.8°C | 21 mm | 14 cm |
| March | 12°C | −1°C | 5.2°C | 23 mm | 8 cm |
| April | 16°C | 2°C | 8.7°C | 18 mm | 4 cm |
| May | 22°C | 7°C | 14.2°C | 22 mm | 1 cm |
| June | 28°C | 12°C | 20.2°C | 10 mm | 0 cm |
| July | 31°C | 16°C | 23.5°C | 30 mm | 0 cm |
| August | 30°C | 15°C | 22.1°C | 36 mm | 0 cm |
| September | 25°C | 11°C | 17.8°C | 41 mm | 0 cm |
| October | 17°C | 4°C | 10.7°C | 29 mm | 2 cm |
| November | 10°C | −2°C | 4.2°C | 17 mm | 6 cm |
| December | 4°C | −7°C | −1.2°C | 27 mm | 19 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00426053; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Natural Bridges National Monument?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, June has the fewest days with rain (2).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00426053.
When is the last frost at Natural Bridges National Monument?
In Natural Bridges National Monument, the last spring frost (32°F) comes after May 5 in half of years and after May 27 in one year in ten; the first autumn frost comes before October 13 in half of years and before September 29 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 51 year in 10 after May 27; 9 in 10 after April 22
- First autumn frost, half of years before
- October 131 year in 10 before September 29; 9 in 10 before October 27
NOAA puts the median frost-free season at 157 days, and the season without a hard freeze (28°F) at 181 days.
A hard freeze (28°F) comes after April 24 in half of springs and before October 23 in half of autumns.
By the USDA's method, the average of each year's coldest night over 1991-2020, the station is in plant hardiness zone 7a: the coldest night of a typical year reaches 3°F (19 complete years).
Frost dates for every NOAA station in Utah · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00426053; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Natural Bridges National Monument?
In a normal year in Natural Bridges National Monument, 30 days a year reach 90°F, 147 nights fall to 32°F or colder and 65 days bring measurable precipitation.
- Days at 90°F or more
- 30a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 147a normal year
- Days that stay below freezing
- 15high of 32°F or less
- Days with 0.01 inch of precipitation
- 65a normal year
- Days with 1 inch of snow or more
- 11a normal year
The highest temperature in this station's record (since 1965) is 103°F, on July 14, 1971; the lowest is −14°F, on December 22, 1990.
The wettest calendar year on that record is 1969, with 19.83 in; the snowiest season is 1968–69, with 98.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00426053; records: ACIS (NOAA Regional Climate Centers), station USC00426053. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Natural Bridges National Monument?
Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds at Natural Bridges National Monument, 5.4 kWh per square metre a day. June is the sunniest month (92%) and December the cloudiest (77%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 79% | 2.8 |
| February | 78% | 3.7 |
| March | 84% | 5.3 |
| April | 85% | 6.7 |
| May | 87% | 7.6 |
| June | 92% | 8.4 |
| July | 88% | 7.5 |
| August | 87% | 6.7 |
| September | 88% | 5.8 |
| October | 87% | 4.5 |
| November | 85% | 3.2 |
| December | 77% | 2.5 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Natural Bridges National Monument record?
A normal year at Natural Bridges National Monument brings 5,925 heating degree days, 10% more than the median U.S. place (5,373), and 751 cooling degree days, 17% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,891 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,099 | 0 |
| February | 883 | 0 |
| March | 733 | 0 |
| April | 518 | 0 |
| May | 255 | 22 |
| June | 44 | 148 |
| July | 2 | 292 |
| August | 8 | 221 |
| September | 94 | 67 |
| October | 431 | 2 |
| November | 765 | 0 |
| December | 1,093 | 0 |
| Year (annual) | 5,925 | 751 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00426053. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Have recent years at Natural Bridges National Monument been warmer than normal?
2024 averaged 52.9°F, 2.2°F above the 1991-2020 normal of 50.7°F. 2 of the 3 complete years since 2022 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2022 | 50.9°F | +0.2°F | 14.61 | 26.9 |
| 2023 | 50.0°F | −0.7°F | 12.11 | 50.3 |
| 2024 | 52.9°F | +2.2°F | 11.42 | 26.3 |
Over 45 complete years from 1967 to 2025, the station's annual mean temperature rose at a fitted 7.1°F per century (+0.39°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00426053; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Natural Bridges National Monument's climate compare?
Natural Bridges National Monument is warmer than 58 of the 97 places with their own NOAA record in Utah, and wetter than 40. Across the 7,247 U.S. stations with normals, its annual mean of 50.7°F is warmer than 44%.
In the Köppen classification computed from these normals, Natural Bridges National Monument is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Natural Bridges National Monument's climate
What is the coldest month at Natural Bridges National Monument?
January, with a normal high of 39°F and a normal low of 20°F. The warmest is July (89°F by day, 60°F at night).
Does it snow at Natural Bridges National Monument?
Yes: 32 inches in a normal year, falling on 16 days with 0.1 inch or more, the most in January (10.8 inches).
What is the rainiest month at Natural Bridges National Monument?
September, with 1.61 in of precipitation in a normal year; the driest is June with 0.38 in.
What plant hardiness zone is Natural Bridges National Monument in?
By the same method at the station, the coldest night of a typical year reaches 3°F (19 years, 1991-2020): zone 7a.
How late can frost come at Natural Bridges National Monument?
In half of years the last 32°F night comes after May 5; in one year in ten it comes after May 27. Waiting until May 27 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Utah climateThe statewide normals and every place in the state
- Valley Of The Gods, UT24 miles from this station, 57.3°F a year
- Blanding, UT27 miles from this station, 52.4°F a year
- Hite Ranger Station, UT29 miles from this station, 61.9°F a year
- Bluff, UT32 miles from this station, 55.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made