El Mirage, California climate: Climate normals at a NOAA weather station
El Mirage's normal year runs from 31°F December nights to 98°F July afternoons, with 5.4 inches of precipitation and 1 inch of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 16.2°C, December lows of −1°C, July highs of 37°C, 137 mm of precipitation a year.
- NOAA stationEl Mirage
- Station IDUSC00042771
- Location34.59°N 117.63°W
- Elevation2,950 ft (899 m)
On October 23, the normal high in El Mirage is 76°F and the normal low 44°F, and the chance of measurable rain or snow is 6%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for El Mirage.
- Jan 57° 32°
- Feb 60° 35°
- Mar 66° 40°
- Apr 72° 43°
- May 81° 50°
- Jun 91° 58°
- Jul 98° 64°
- Aug 97° 63°
- Sep 90° 57°
- Oct 78° 46°
- Nov 66° 38°
- Dec 56° 31°
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 El Mirage each month?
July is the warmest month, with normal highs of 98°F; December the coldest, with normal lows of 31°F. The most precipitation falls in February (1.06 in), the least in June (0.06 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 57°F | 32°F | 44.7°F | 0.88 | 0.6 | 5 | <1 | 20 | 10 h |
| February | 60°F | 35°F | 47.3°F | 1.06 | 0.2 | 6 | <1 | 11 | 11 h |
| March | 66°F | 40°F | 52.7°F | 0.61 | 0.1 | 5 | <1 | 6 | 11 h 50 min |
| April | 72°F | 43°F | 57.7°F | 0.27 | 0.0 | 2 | 1 | 2 | 13 h |
| May | 81°F | 50°F | 65.4°F | 0.20 | 0.0 | 1 | 6 | <1 | 14 h |
| June | 91°F | 58°F | 74.6°F | 0.06 | 0.0 | <1 | 19 | <1 | 14 h 30 min |
| July | 98°F | 64°F | 80.8°F | 0.21 | 0.0 | 1 | 30 | <1 | 14 h 20 min |
| August | 97°F | 63°F | 80.0°F | 0.16 | 0.0 | 1 | 29 | <1 | 13 h 30 min |
| September | 90°F | 57°F | 73.3°F | 0.28 | 0.0 | 1 | 19 | <1 | 12 h 30 min |
| October | 78°F | 46°F | 62.2°F | 0.43 | 0.0 | 2 | 3 | <1 | 11 h 20 min |
| November | 66°F | 38°F | 51.8°F | 0.29 | 0.0 | 2 | <1 | 9 | 10 h 20 min |
| December | 56°F | 31°F | 43.3°F | 0.96 | 0.2 | 4 | <1 | 22 | 9 h 50 min |
| Year (annual) | 76°F | 46°F | 61.2°F | 5.41 | 1.1 | 29 | 106 | 71 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 14°C | 0°C | 7.1°C | 22 mm | 2 cm |
| February | 16°C | 1°C | 8.5°C | 27 mm | 1 cm |
| March | 19°C | 4°C | 11.5°C | 15 mm | 0 cm |
| April | 22°C | 6°C | 14.3°C | 7 mm | 0 cm |
| May | 27°C | 10°C | 18.6°C | 5 mm | 0 cm |
| June | 33°C | 14°C | 23.7°C | 2 mm | 0 cm |
| July | 37°C | 18°C | 27.1°C | 5 mm | 0 cm |
| August | 36°C | 17°C | 26.7°C | 4 mm | 0 cm |
| September | 32°C | 14°C | 22.9°C | 7 mm | 0 cm |
| October | 26°C | 8°C | 16.8°C | 11 mm | 0 cm |
| November | 19°C | 3°C | 11.0°C | 7 mm | 0 cm |
| December | 13°C | −1°C | 6.3°C | 24 mm | 1 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00042771; 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 El Mirage?
Normal highs sit between 65°F and 85°F in March, April, May, October and November. Of those, May has the fewest days with rain (1).
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 USC00042771.
When is the last frost at El Mirage?
In El Mirage, the last spring frost (32°F) comes after March 21 in half of years and after April 22 in one year in ten; the first autumn frost comes before November 12 in half of years and before October 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
- March 211 year in 10 after April 22; 9 in 10 after February 25
- First autumn frost, half of years before
- November 121 year in 10 before October 28; 9 in 10 before December 1
NOAA puts the median frost-free season at 235 days, and the season without a hard freeze (28°F) at 278 days.
A hard freeze (28°F) comes after February 21 in half of springs and before November 27 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts El Mirage in zone 8b in ZIP code 92301, the nearest ZIP area.
Frost dates for every NOAA station in California · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00042771; 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 El Mirage?
In a normal year in El Mirage, 106 days a year reach 90°F (30 of them 100°F or more), 71 nights fall to 32°F or colder and 29 days bring measurable precipitation.
- Days at 90°F or more
- 106a normal year
- Days at 100°F or more
- 30a normal year
- Nights at 32°F or colder
- 71a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 29a normal year
- Days with 1 inch of snow or more
- 1a normal year
The highest temperature in this station's record (since 1971) is 112°F, on July 8, 1989; the lowest is 1°F, on December 22, 1990.
The wettest calendar year on that record is 1983, with 12.62 in; the snowiest season is 1973–74, with 15.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00042771; records: ACIS (NOAA Regional Climate Centers), station USC00042771. Records use complete months only; a month missing more than three days is left out.
How sunny is it at El Mirage?
Over a year 92% of the sunlight that would reach the ground under clear skies gets through the clouds at El Mirage, 5.8 kWh per square metre a day. August is the sunniest month (96%) and December the cloudiest (85%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 85% | 3.3 |
| February | 85% | 4.2 |
| March | 89% | 5.7 |
| April | 90% | 6.9 |
| May | 92% | 7.8 |
| June | 96% | 8.4 |
| July | 94% | 7.9 |
| August | 96% | 7.4 |
| September | 95% | 6.3 |
| October | 93% | 4.9 |
| November | 90% | 3.6 |
| December | 85% | 2.9 |
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 El Mirage record?
A normal year at El Mirage brings 3,074 heating degree days, 43% fewer than the median U.S. place (5,373), and 1,701 cooling degree days, 87% more than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 4,752 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 629 | 0 |
| February | 494 | 0 |
| March | 384 | 3 |
| April | 236 | 17 |
| May | 96 | 110 |
| June | 14 | 300 |
| July | 0 | 491 |
| August | 0 | 465 |
| September | 16 | 265 |
| October | 136 | 49 |
| November | 397 | 1 |
| December | 672 | 0 |
| Year (annual) | 3,074 | 1,701 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00042771. 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 El Mirage's climate compare?
El Mirage is warmer than 107 of the 219 places with their own NOAA record in California, and wetter than 15. Across the 7,247 U.S. stations with normals, its annual mean of 61.2°F is warmer than 78%.
In the Köppen classification computed from these normals, El Mirage is BWk: cold 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.
Questions about El Mirage's climate
What is the coldest month at El Mirage?
December, with a normal high of 56°F and a normal low of 31°F. The warmest is July (98°F by day, 64°F at night).
Does it snow at El Mirage?
Yes: 1 inch in a normal year, falling on 1 days with 0.1 inch or more, the most in January (0.6 inches).
What is the rainiest month at El Mirage?
February, with 1.06 in of precipitation in a normal year; the driest is June with 0.06 in.
What plant hardiness zone is El Mirage in?
The USDA's 2023 map puts El Mirage in zone 8b in ZIP code 92301, the nearest ZIP area.
How late can frost come at El Mirage?
In half of years the last 32°F night comes after March 21; in one year in ten it comes after April 22. Waiting until April 22 leaves about a one-in-ten chance of a later frost.
Nearby and next
- California climateThe statewide normals and every place in the state
- Wrightwood, CA16 miles from this station, 50.0°F a year
- Pearblossom, CA16 miles from this station, 64.3°F a year
- Victorville, CA20 miles from this station, 61.9°F a year
- Hesperia, CA24 miles from this station, 63.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made