Miami, Arizona climate: Normal weather by month, frost dates and records
Miami's normal year runs from 35°F December nights to 100°F July afternoons, with 17.2 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 19.3°C, December lows of 2°C, July highs of 38°C, 437 mm of precipitation a year.
- NOAA stationMiami
- Station IDUSC00025512
- Location33.40°N 110.87°W
- Elevation3,560 ft (1,085 m)
- Population1,531
On October 23, the normal high in Miami is 82°F and the normal low 52°F, and the chance of measurable rain or snow is 11%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Miami.
- Jan 62° 36°
- Feb 65° 39°
- Mar 72° 43°
- Apr 78° 49°
- May 87° 58°
- Jun 97° 68°
- Jul 100° 72°
- Aug 98° 71°
- Sep 94° 66°
- Oct 84° 55°
- Nov 72° 43°
- Dec 61° 35°
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 Miami each month?
July is the warmest month, with normal highs of 100°F; December the coldest, with normal lows of 35°F. The most precipitation falls in August (2.56 in), the least in June (0.27 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 62°F | 36°F | 49.3°F | 2.29 | 5 | <1 | 8 | 10 h 10 min |
| February | 65°F | 39°F | 51.8°F | 2.19 | 5 | <1 | 3 | 11 h |
| March | 72°F | 43°F | 57.2°F | 1.68 | 4 | <1 | 1 | 12 h |
| April | 78°F | 49°F | 63.6°F | 0.44 | 3 | 2 | <1 | 13 h |
| May | 87°F | 58°F | 72.7°F | 0.30 | 2 | 11 | <1 | 13 h 50 min |
| June | 97°F | 68°F | 82.4°F | 0.27 | 2 | 24 | <1 | 14 h 20 min |
| July | 100°F | 72°F | 85.8°F | 2.24 | 7 | 29 | <1 | 14 h 10 min |
| August | 98°F | 71°F | 84.6°F | 2.56 | 9 | 28 | <1 | 13 h 30 min |
| September | 94°F | 66°F | 79.9°F | 1.14 | 4 | 21 | <1 | 12 h 30 min |
| October | 84°F | 55°F | 69.3°F | 0.99 | 4 | 8 | <1 | 11 h 20 min |
| November | 72°F | 43°F | 57.6°F | 1.18 | 3 | <1 | 2 | 10 h 30 min |
| December | 61°F | 35°F | 48.1°F | 1.94 | 5 | <1 | 10 | 10 h |
| Year (annual) | 81°F | 53°F | 66.8°F | 17.22 | 51 | 122 | 25 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 17°C | 2°C | 9.6°C | 58 mm |
| February | 18°C | 4°C | 11.0°C | 56 mm |
| March | 22°C | 6°C | 14.0°C | 43 mm |
| April | 26°C | 9°C | 17.6°C | 11 mm |
| May | 31°C | 15°C | 22.6°C | 8 mm |
| June | 36°C | 20°C | 28.0°C | 7 mm |
| July | 38°C | 22°C | 29.9°C | 57 mm |
| August | 37°C | 22°C | 29.2°C | 65 mm |
| September | 35°C | 19°C | 26.6°C | 29 mm |
| October | 29°C | 13°C | 20.7°C | 25 mm |
| November | 22°C | 6°C | 14.2°C | 30 mm |
| December | 16°C | 2°C | 8.9°C | 49 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00025512; 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 Miami?
Normal highs sit between 65°F and 85°F in February, March, April, October and November. Of those, April has the fewest days with rain (3).
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 USC00025512.
When is the last frost in Miami?
In Miami, the last spring frost (32°F) comes after February 24 in half of years and after March 18 in one year in ten; the first autumn frost comes before December 1 in half of years and before November 15 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
- February 241 year in 10 after March 18; 9 in 10 after January 30
- First autumn frost, half of years before
- December 11 year in 10 before November 15; 9 in 10 before December 15
NOAA puts the median frost-free season at 279 days, and the season without a hard freeze (28°F) at 321 days.
A hard freeze (28°F) comes after January 30 in half of springs and before December 13 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Miami in zone 9a in ZIP code 85532, 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 USC00025512; 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 Miami?
In a normal year in Miami, 122 days a year reach 90°F (38 of them 100°F or more), 25 nights fall to 32°F or colder and 51 days bring measurable precipitation.
- Days at 90°F or more
- 122a normal year
- Days at 100°F or more
- 38a normal year
- Nights at 32°F or colder
- 25a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 51a normal year
The highest temperature in this station's record (since 1914) is 113°F, on July 5, 2007; the lowest is 13°F, on January 22, 1937.
The wettest calendar year on that record is 1978, with 36.42 in; the snowiest season is 1967–68, with 27.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00025512; records: ACIS (NOAA Regional Climate Centers), station USC00025512. Records use complete months only; a month missing more than three days is left out.
How sunny is Miami?
Over a year 89% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Miami, 5.7 kWh per square metre a day. June is the sunniest month (95%) and December the cloudiest (83%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 84% | 3.4 |
| February | 83% | 4.3 |
| March | 88% | 5.8 |
| April | 91% | 7.2 |
| May | 93% | 8.1 |
| June | 95% | 8.4 |
| July | 84% | 7.0 |
| August | 87% | 6.6 |
| September | 89% | 5.9 |
| October | 91% | 4.9 |
| November | 88% | 3.8 |
| December | 83% | 3.0 |
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 Miami need?
A normal year in Miami brings 2,053 heating degree days, 62% fewer than the median U.S. place (5,373), and 2,758 cooling degree days, 3.0 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 6,464 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 485 | 0 |
| February | 371 | 0 |
| March | 257 | 14 |
| April | 111 | 68 |
| May | 20 | 259 |
| June | 1 | 525 |
| July | 0 | 645 |
| August | 0 | 608 |
| September | 0 | 446 |
| October | 42 | 173 |
| November | 243 | 21 |
| December | 522 | 0 |
| Year (annual) | 2,053 | 2,758 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00025512. 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 Miami's climate compare?
Miami is warmer than 56 of the other 96 places with their own NOAA record in Arizona, and wetter than 74. Across the 7,247 U.S. stations with normals, its annual mean of 66.8°F is warmer than 92%.
In the Köppen classification computed from these normals, Miami is BSh: hot 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.
Which places near Miami share this climate record?
Claypool 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.
- Claypool, AZ1,134 people · 2 mi E
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 Miami's climate
What is the coldest month in Miami?
December, with a normal high of 61°F and a normal low of 35°F. The warmest is July (100°F by day, 72°F at night).
Does it snow in Miami?
Rarely: NOAA's normal is no measurable snow a year.
What is the rainiest month in Miami?
August, with 2.56 in of precipitation in a normal year; the driest is June with 0.27 in.
What plant hardiness zone is Miami in?
The USDA's 2023 map puts Miami in zone 9a in ZIP code 85532, the nearest ZIP area.
How late can frost come in Miami?
In half of years the last 32°F night comes after February 24; in one year in ten it comes after March 18. Waiting until March 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
- Globe, AZ4 miles from this station, 63.6°F a year
- Superior, AZ15 miles from this station, 70.2°F a year
- Roosevelt, AZ22 miles from this station, 70.2°F a year
- San Carlos, AZ25 miles from this station, 64.7°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made