Ganado, Arizona climate: Normal weather by month, frost dates and records
Ganado's normal year runs from 18°F January nights to 89°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.5°C, January lows of −8°C, July highs of 32°C.
- NOAA stationGanado
- Station IDUSC00023303
- Location35.71°N 109.55°W
- Elevation6,340 ft (1,932 m)
- Population (census place)615
On October 23, the normal high in Ganado is 66°F and the normal low 32°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Ganado.
- Jan 44° 18°
- Feb 49° 20°
- Mar 58° 27°
- Apr 65° 31°
- May 74° 40°
- Jun 85° 49°
- Jul 89° 56°
- Aug 87° 56°
- Sep 80° 48°
- Oct 69° 35°
- Nov 55° 25°
- Dec 45° 18°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Ganado each month?
July is the warmest month, with normal highs of 89°F; January the coldest, with normal lows of 18°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 44°F | 18°F | 31.0°F | – | <1 | 30 | 10 h |
| February | 49°F | 20°F | 34.8°F | – | <1 | 27 | 10 h 50 min |
| March | 58°F | 27°F | 42.2°F | – | <1 | 27 | 11 h 50 min |
| April | 65°F | 31°F | 48.1°F | – | <1 | 18 | 13 h |
| May | 74°F | 40°F | 56.7°F | – | 1 | 4 | 14 h |
| June | 85°F | 49°F | 66.9°F | – | 8 | <1 | 14 h 30 min |
| July | 89°F | 56°F | 72.6°F | – | 15 | <1 | 14 h 20 min |
| August | 87°F | 56°F | 71.2°F | – | 9 | <1 | 13 h 30 min |
| September | 80°F | 48°F | 64.4°F | – | 1 | 1 | 12 h 30 min |
| October | 69°F | 35°F | 51.7°F | – | <1 | 10 | 11 h 20 min |
| November | 55°F | 25°F | 39.9°F | – | <1 | 27 | 10 h 20 min |
| December | 45°F | 18°F | 31.0°F | – | <1 | 30 | 9 h 50 min |
| Year (annual) | 67°F | 35°F | 50.9°F | – | 34 | 174 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 7°C | −8°C | −0.6°C |
| February | 10°C | −6°C | 1.6°C |
| March | 14°C | −3°C | 5.7°C |
| April | 18°C | 0°C | 8.9°C |
| May | 23°C | 4°C | 13.7°C |
| June | 30°C | 9°C | 19.4°C |
| July | 32°C | 13°C | 22.6°C |
| August | 30°C | 13°C | 21.8°C |
| September | 27°C | 9°C | 18.0°C |
| October | 20°C | 2°C | 10.9°C |
| November | 13°C | −4°C | 4.4°C |
| December | 7°C | −8°C | −0.6°C |
NOAA publishes no 1991-2020 snowfall normal for this station, and no record within 25 miles keeps one, so snow is left out here rather than estimated.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00023303; 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.
When is the best weather to visit Ganado?
Normal highs sit between 65°F and 85°F in May, September and October.
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 USC00023303.
When is the last frost in Ganado?
In Ganado, the last spring frost (32°F) comes after May 15 in half of years and after June 1 in one year in ten; the first autumn frost comes before October 10 in half of years and before September 28 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 151 year in 10 after June 1; 9 in 10 after April 30
- First autumn frost, half of years before
- October 101 year in 10 before September 28; 9 in 10 before October 24
NOAA puts the median frost-free season at 147 days, and the season without a hard freeze (28°F) at 167 days.
A hard freeze (28°F) comes after May 2 in half of springs and before October 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Ganado in zone 6b in ZIP code 86505, 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 USC00023303; 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 in Ganado?
In a normal year in Ganado, 34 days a year reach 90°F and 174 nights fall to 32°F or colder.
- Days at 90°F or more
- 34a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 174a normal year
- Days that stay below freezing
- 10high of 32°F or less
The highest temperature in this station's record (since 1929) is 102°F, on August 4, 1940; the lowest is −27°F, on January 22, 1937.
The wettest calendar year on that record is 1940, with 20.17 in; the snowiest season is 1961–62, with 62.2 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00023303; records: ACIS (NOAA Regional Climate Centers), station USC00023303. Records use complete months only; a month missing more than three days is left out.
How sunny is Ganado?
Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Ganado, 5.6 kWh per square metre a day. June is the sunniest month (92%) and December the cloudiest (79%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 81% | 3.1 |
| February | 81% | 4.1 |
| March | 85% | 5.6 |
| April | 87% | 7.0 |
| May | 89% | 7.9 |
| June | 92% | 8.4 |
| July | 84% | 7.2 |
| August | 85% | 6.6 |
| September | 88% | 5.9 |
| October | 89% | 4.8 |
| November | 87% | 3.6 |
| December | 79% | 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 much heating and cooling does Ganado need?
A normal year in Ganado brings 5,723 heating degree days, 7% more than the median U.S. place (5,373), and 597 cooling degree days, 34% 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 2,719 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,054 | 0 |
| February | 846 | 0 |
| March | 705 | 0 |
| April | 509 | 0 |
| May | 267 | 8 |
| June | 43 | 100 |
| July | 2 | 238 |
| August | 5 | 196 |
| September | 75 | 55 |
| October | 413 | 1 |
| November | 753 | 0 |
| December | 1,052 | 0 |
| Year (annual) | 5,723 | 597 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00023303. 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 Ganado's climate compare?
Ganado is warmer than 11 of the other 96 places with their own NOAA record in Arizona. Across the 7,247 U.S. stations with normals, its annual mean of 50.9°F is warmer than 44%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Ganado share this climate record?
6 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.
- Nazlini, AZ502 people · 15 mi N
- Burnside, AZ445 people · 5 mi NW
- Cornfields, AZ373 people · 8 mi SW
- Steamboat, AZ364 people · 17 mi W
- Greasewood, AZ313 people · 21 mi SW
- Klagetoh, AZ166 people · 14 mi S
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 Ganado's climate
What is the coldest month in Ganado?
January, with a normal high of 44°F and a normal low of 18°F. The warmest is July (89°F by day, 56°F at night).
What plant hardiness zone is Ganado in?
The USDA's 2023 map puts Ganado in zone 6b in ZIP code 86505, the nearest ZIP area.
How late can frost come in Ganado?
In half of years the last 32°F night comes after May 15; in one year in ten it comes after June 1. Waiting until June 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
- Window Rock, AZ28 miles from this station, 49.2°F a year
- Canyon De Chelly, AZ30 miles from this station, 53.5°F a year
- Sanders, AZ36 miles from this station, 52.2°F a year
- Keams Canyon, AZ37 miles from this station, 50.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made