Willow Beach, Arizona climate: Climate normals at a NOAA weather station
Willow Beach's normal year runs from 42°F December nights to 112°F July afternoons, with 5.0 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 23.6°C, December lows of 5°C, July highs of 44°C, 126 mm of precipitation a year.
- NOAA stationWillow Beach
- Station IDUSC00029376
- Location35.87°N 114.66°W
- Elevation740 ft (226 m)
On October 23, the normal high in Willow Beach is 87°F and the normal low 58°F, and the chance of measurable rain or snow is 7%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Willow Beach.
- Jan 66° 41°
- Feb 70° 46°
- Mar 78° 51°
- Apr 87° 58°
- May 97° 67°
- Jun 108° 75°
- Jul 112° 82°
- Aug 111° 81°
- Sep 103° 72°
- Oct 90° 61°
- Nov 75° 50°
- Dec 64° 42°
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 Willow Beach each month?
July is the warmest month, with normal highs of 112°F; December the coldest, with normal lows of 42°F. The most precipitation falls in February (0.99 in), the least in June (0.05 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 66°F | 41°F | 53.5°F | 0.65 | 4 | <1 | <1 | 10 h |
| February | 70°F | 46°F | 57.8°F | 0.99 | 4 | <1 | <1 | 10 h 50 min |
| March | 78°F | 51°F | 64.8°F | 0.69 | 4 | 2 | <1 | 11 h 50 min |
| April | 87°F | 58°F | 72.3°F | 0.32 | 2 | 10 | <1 | 13 h |
| May | 97°F | 67°F | 81.7°F | 0.14 | 1 | 24 | <1 | 14 h |
| June | 108°F | 75°F | 91.6°F | 0.05 | 1 | 29 | <1 | 14 h 30 min |
| July | 112°F | 82°F | 96.9°F | 0.18 | 2 | 31 | <1 | 14 h 20 min |
| August | 111°F | 81°F | 95.7°F | 0.23 | 2 | 31 | <1 | 13 h 30 min |
| September | 103°F | 72°F | 87.9°F | 0.23 | 2 | 29 | <1 | 12 h 30 min |
| October | 90°F | 61°F | 75.5°F | 0.61 | 2 | 17 | <1 | 11 h 20 min |
| November | 75°F | 50°F | 62.4°F | 0.33 | 2 | <1 | <1 | 10 h 20 min |
| December | 64°F | 42°F | 52.9°F | 0.55 | 2 | <1 | 1 | 9 h 40 min |
| Year (annual) | 88°F | 60°F | 74.4°F | 4.97 | 27 | 174 | 1 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 19°C | 5°C | 11.9°C | 17 mm |
| February | 21°C | 8°C | 14.3°C | 25 mm |
| March | 26°C | 11°C | 18.2°C | 18 mm |
| April | 30°C | 14°C | 22.4°C | 8 mm |
| May | 36°C | 19°C | 27.6°C | 4 mm |
| June | 42°C | 24°C | 33.1°C | 1 mm |
| July | 44°C | 28°C | 36.1°C | 5 mm |
| August | 44°C | 27°C | 35.4°C | 6 mm |
| September | 40°C | 22°C | 31.1°C | 6 mm |
| October | 32°C | 16°C | 24.2°C | 15 mm |
| November | 24°C | 10°C | 16.9°C | 8 mm |
| December | 18°C | 5°C | 11.6°C | 14 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00029376; 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 Willow Beach?
Normal highs sit between 65°F and 85°F in January, February, March and November. Of those, November 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 USC00029376.
When is the last frost at Willow Beach?
In Willow Beach, the last spring frost (32°F) comes after January 7 in half of years and after February 1 in one year in ten; the first autumn frost comes before December 29 in half of years and before December 10 in one year in ten. A night at 32°F or colder comes at all in 63% of years here (NOAA).
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- January 71 year in 10 after February 1; 9 in 10 after December 20
- First autumn frost, half of years before
- December 291 year in 10 before December 10; 9 in 10 before January 18
NOAA puts the median frost-free season at 358 days, and the season without a hard freeze (28°F) at 365 days.
A hard freeze (28°F) comes after January 2 in half of springs and before January 1 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Willow Beach in zone 9b in ZIP code 86445, 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 USC00029376; 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 Willow Beach?
In a normal year in Willow Beach, 174 days a year reach 90°F (126 of them 100°F or more), 1 night falls to 32°F or colder and 27 days bring measurable precipitation.
- Days at 90°F or more
- 174a normal year
- Days at 100°F or more
- 126a normal year
- Nights at 32°F or colder
- 1a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 27a normal year
The highest temperature in this station's record (since 1967) is 125°F, on July 13, 1972; the lowest is 21°F, on December 23, 1990.
The wettest calendar year on that record is 1992, with 11.72 in.
Source: NOAA NCEI 1991-2020 annual normals, station USC00029376; records: ACIS (NOAA Regional Climate Centers), station USC00029376. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Willow Beach?
Over a year 91% of the sunlight that would reach the ground under clear skies gets through the clouds at Willow Beach, 5.7 kWh per square metre a day. June is the sunniest month (96%) and December the cloudiest (83%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 86% | 3.2 |
| February | 86% | 4.2 |
| March | 89% | 5.7 |
| April | 91% | 7.1 |
| May | 94% | 8.0 |
| June | 96% | 8.6 |
| July | 91% | 7.6 |
| August | 93% | 7.1 |
| September | 95% | 6.2 |
| October | 92% | 4.8 |
| November | 90% | 3.6 |
| December | 83% | 2.8 |
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 Willow Beach record?
A normal year at Willow Beach brings 1,177 heating degree days, 78% fewer than the median U.S. place (5,373), and 4,644 cooling degree days, 5.1 times the median (908). Two months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 8,991 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 358 | 0 |
| February | 208 | 6 |
| March | 87 | 81 |
| April | 18 | 235 |
| May | 2 | 519 |
| June | 0 | 797 |
| July | 0 | 989 |
| August | 0 | 952 |
| September | 0 | 687 |
| October | 6 | 332 |
| November | 125 | 47 |
| December | 374 | 0 |
| Year (annual) | 1,177 | 4,644 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00029376. 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.
How does Willow Beach's climate compare?
Willow Beach is warmer than 93 of the 97 places with their own NOAA record in Arizona, and wetter than 7. Across the 7,247 U.S. stations with normals, its annual mean of 74.4°F is warmer than 98%.
In the Köppen classification computed from these normals, Willow Beach is BWh: hot desert. 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.
Which places near Willow Beach share this climate record?
3 places have no NOAA station with 1991-2020 normals of their 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.
- Boulder City, NV15,029 people · 14 mi W
- White Hills, AZ332 people · 18 mi SE
- Nelson, NV29 people · 14 mi SW
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 Willow Beach's climate
What is the coldest month at Willow Beach?
December, with a normal high of 64°F and a normal low of 42°F. The warmest is July (112°F by day, 82°F at night).
Does it snow at Willow Beach?
Rarely: NOAA's normal is no measurable snow a year.
What is the rainiest month at Willow Beach?
February, with 0.99 in of precipitation in a normal year; the driest is June with 0.05 in.
What plant hardiness zone is Willow Beach in?
The USDA's 2023 map puts Willow Beach in zone 9b in ZIP code 86445, the nearest ZIP area.
How late can frost come at Willow Beach?
In half of years the last 32°F night comes after January 7; in one year in ten it comes after February 1. Waiting until February 1 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Arizona climateThe statewide normals and every place in the state
- Alan Bible Visitor Center, NV12 miles from this station, 71.7°F a year
- Callville Bay, NV19 miles from this station, 71.7°F a year
- Temple Bar, AZ22 miles from this station, 70.8°F a year
- Las Vegas, NV32 miles from this station, 70.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made