Anvil Ranch, Arizona climate: Climate normals at a NOAA weather station
Anvil Ranch's normal year runs from 33°F December nights to 99°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 19.0°C, December lows of 1°C, July highs of 37°C.
- NOAA stationAnvil Ranch
- Station IDUSC00020287
- Location31.98°N 111.38°W
- Elevation2,759 ft (841 m)
On October 23, the normal high in Anvil Ranch is 83°F and the normal low 48°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Anvil Ranch.
- Jan 66° 34°
- Feb 69° 36°
- Mar 75° 40°
- Apr 82° 45°
- May 90° 53°
- Jun 99° 63°
- Jul 99° 70°
- Aug 96° 69°
- Sep 94° 63°
- Oct 85° 51°
- Nov 74° 39°
- Dec 65° 33°
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 Anvil Ranch each month?
July is the warmest month, with normal highs of 99°F; December the coldest, with normal lows of 33°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 66°F | 34°F | 49.6°F | – | <1 | 15 | 10 h 20 min |
| February | 69°F | 36°F | 52.1°F | – | <1 | 10 | 11 h |
| March | 75°F | 40°F | 57.5°F | – | 1 | 5 | 12 h |
| April | 82°F | 45°F | 63.5°F | – | 5 | 1 | 13 h |
| May | 90°F | 53°F | 71.6°F | – | 19 | <1 | 13 h 50 min |
| June | 99°F | 63°F | 81.3°F | – | 28 | <1 | 14 h 10 min |
| July | 99°F | 70°F | 84.3°F | – | 29 | <1 | 14 h |
| August | 96°F | 69°F | 82.8°F | – | 29 | <1 | 13 h 20 min |
| September | 94°F | 63°F | 78.1°F | – | 24 | <1 | 12 h 20 min |
| October | 85°F | 51°F | 67.9°F | – | 11 | 1 | 11 h 30 min |
| November | 74°F | 39°F | 56.8°F | – | 1 | 6 | 10 h 30 min |
| December | 65°F | 33°F | 49.0°F | – | <1 | 15 | 10 h |
| Year (annual) | 83°F | 50°F | 66.2°F | – | 147 | 54 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 19°C | 1°C | 9.8°C |
| February | 20°C | 2°C | 11.2°C |
| March | 24°C | 5°C | 14.2°C |
| April | 28°C | 7°C | 17.5°C |
| May | 32°C | 12°C | 22.0°C |
| June | 37°C | 17°C | 27.4°C |
| July | 37°C | 21°C | 29.1°C |
| August | 36°C | 21°C | 28.2°C |
| September | 34°C | 17°C | 25.6°C |
| October | 30°C | 10°C | 19.9°C |
| November | 24°C | 4°C | 13.8°C |
| December | 18°C | 1°C | 9.4°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Kitt Peak (13 miles away), gets 8 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00020287; 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 Anvil Ranch?
Normal highs sit between 65°F and 85°F in January, February, March, April and November.
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 USC00020287.
When is the last frost at Anvil Ranch?
In Anvil Ranch, the last spring frost (32°F) comes after March 27 in half of years and after April 18 in one year in ten; the first autumn frost comes before November 9 in half of years and before October 25 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
- March 271 year in 10 after April 18; 9 in 10 after March 5
- First autumn frost, half of years before
- November 91 year in 10 before October 25; 9 in 10 before November 26
NOAA puts the median frost-free season at 226 days, and the season without a hard freeze (28°F) at 257 days.
A hard freeze (28°F) comes after March 6 in half of springs and before November 21 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Anvil Ranch in zone 8b in ZIP code 85736, the nearest ZIP area.
Frost dates for every NOAA station in Arizona · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00020287; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 Anvil Ranch?
In a normal year in Anvil Ranch, 147 days a year reach 90°F (49 of them 100°F or more) and 54 nights fall to 32°F or colder.
- Days at 90°F or more
- 147a normal year
- Days at 100°F or more
- 49a normal year
- Nights at 32°F or colder
- 54a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00020287.
How sunny is it at Anvil Ranch?
Over a year 91% of the sunlight that would reach the ground under clear skies gets through the clouds at Anvil Ranch, 5.9 kWh per square metre a day. May is the sunniest month (96%) and July the cloudiest (83%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 88% | 3.8 |
| February | 87% | 4.7 |
| March | 91% | 6.2 |
| April | 94% | 7.6 |
| May | 96% | 8.3 |
| June | 95% | 8.3 |
| July | 83% | 6.8 |
| August | 86% | 6.5 |
| September | 90% | 6.0 |
| October | 93% | 5.3 |
| November | 91% | 4.1 |
| December | 87% | 3.4 |
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 Anvil Ranch record?
A normal year at Anvil Ranch brings 2,005 heating degree days, 63% fewer than the median U.S. place (5,373), and 2,472 cooling degree days, 2.7 times the median (908). Three months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 6,217 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 476 | 0 |
| February | 363 | 1 |
| March | 243 | 10 |
| April | 99 | 55 |
| May | 18 | 223 |
| June | 0 | 488 |
| July | 0 | 598 |
| August | 0 | 550 |
| September | 1 | 394 |
| October | 50 | 140 |
| November | 258 | 12 |
| December | 496 | 0 |
| Year (annual) | 2,005 | 2,472 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00020287. 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 Anvil Ranch been warmer than normal?
2025 averaged 68.9°F, 2.7°F above the 1991-2020 normal of 66.2°F. 2 of the 3 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal |
|---|---|---|
| 2021 | 66.5°F | +0.3°F |
| 2023 | 66.2°F | at normal |
| 2025 | 68.9°F | +2.7°F |
Source: observed years: ACIS, station USC00020287. A year counts only with all twelve months complete.
How does Anvil Ranch's climate compare?
Anvil Ranch is warmer than 54 of the 97 places with their own NOAA record in Arizona. Across the 7,247 U.S. stations with normals, its annual mean of 66.2°F is warmer than 90%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Anvil Ranch share this climate record?
Three Points has no NOAA station with 1991-2020 normals of its own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Three Points, AZ5,033 people · 8 mi NE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Anvil Ranch's climate
What is the coldest month at Anvil Ranch?
December, with a normal high of 65°F and a normal low of 33°F. The warmest is July (99°F by day, 70°F at night).
Does it snow at Anvil Ranch?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Kitt Peak (13 miles away), records 8 inches of snow in a normal year.
What plant hardiness zone is Anvil Ranch in?
The USDA's 2023 map puts Anvil Ranch in zone 8b in ZIP code 85736, the nearest ZIP area.
How late can frost come at Anvil Ranch?
In half of years the last 32°F night comes after March 27; in one year in ten it comes after April 18. Waiting until April 18 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Arizona climateThe statewide normals and every place in the state
- Kitt Peak, AZ12 miles from this station, 55.7°F a year
- Green Valley, AZ24 miles from this station, 68.4°F a year
- Tucson, AZ27 miles from this station, 70.6°F a year
- Tucson U Of A #1, AZ29 miles from this station, 70.3°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made