Idyllwild Fire Dept, California climate: Climate normals at a NOAA weather station
Idyllwild Fire Dept's normal year runs from 30°F December nights to 86°F August afternoons, with 24.4 inches of precipitation and 31 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 12.5°C, December lows of −1°C, August highs of 30°C, 621 mm of precipitation a year.
- NOAA stationIdyllwild Fire Dept
- Station IDUSC00044211
- Location33.76°N 116.71°W
- Elevation5,380 ft (1,640 m)
On October 23, the normal high in Idyllwild Fire Dept is 70°F and the normal low 40°F, and the chance of measurable rain or snow is 9%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Idyllwild Fire Dept.
- Jan 55° 31°
- Feb 55° 30°
- Mar 59° 32°
- Apr 64° 35°
- May 71° 41°
- Jun 80° 48°
- Jul 85° 55°
- Aug 86° 55°
- Sep 81° 50°
- Oct 72° 42°
- Nov 62° 35°
- Dec 54° 30°
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 Idyllwild Fire Dept each month?
August is the warmest month, with normal highs of 86°F; December the coldest, with normal lows of 30°F. The most precipitation falls in February (5.35 in), the least in June (0.13 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 55°F | 31°F | 43.0°F | 4.74 | 6.3 | 7 | <1 | 21 | 10 h 10 min |
| February | 55°F | 30°F | 42.5°F | 5.35 | 9.8 | 8 | <1 | 18 | 11 h |
| March | 59°F | 32°F | 45.6°F | 3.31 | 4.1 | 6 | <1 | 16 | 11 h 50 min |
| April | 64°F | 35°F | 49.6°F | 1.67 | 3.5 | 4 | <1 | 11 | 13 h |
| May | 71°F | 41°F | 55.9°F | 0.65 | 0.5 | 2 | <1 | 4 | 13 h 50 min |
| June | 80°F | 48°F | 64.1°F | 0.13 | 0.0 | <1 | 2 | 1 | 14 h 20 min |
| July | 85°F | 55°F | 70.2°F | 0.47 | 0.0 | 2 | 7 | <1 | 14 h 10 min |
| August | 86°F | 55°F | 70.6°F | 0.60 | 0.0 | 2 | 6 | <1 | 13 h 30 min |
| September | 81°F | 50°F | 65.4°F | 0.79 | 0.0 | 2 | 2 | <1 | 12 h 30 min |
| October | 72°F | 42°F | 56.8°F | 1.17 | 0.0 | 3 | <1 | 3 | 11 h 20 min |
| November | 62°F | 35°F | 48.3°F | 1.92 | 2.3 | 4 | <1 | 12 | 10 h 30 min |
| December | 54°F | 30°F | 42.2°F | 3.65 | 4.2 | 6 | <1 | 21 | 10 h |
| Year (annual) | 69°F | 40°F | 54.5°F | 24.45 | 30.7 | 47 | 18 | 107 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 13°C | −1°C | 6.1°C | 120 mm | 16 cm |
| February | 13°C | −1°C | 5.8°C | 136 mm | 25 cm |
| March | 15°C | 0°C | 7.6°C | 84 mm | 10 cm |
| April | 18°C | 2°C | 9.8°C | 42 mm | 9 cm |
| May | 22°C | 5°C | 13.3°C | 17 mm | 1 cm |
| June | 27°C | 9°C | 17.8°C | 3 mm | 0 cm |
| July | 30°C | 13°C | 21.2°C | 12 mm | 0 cm |
| August | 30°C | 13°C | 21.4°C | 15 mm | 0 cm |
| September | 27°C | 10°C | 18.6°C | 20 mm | 0 cm |
| October | 22°C | 6°C | 13.8°C | 30 mm | 0 cm |
| November | 17°C | 2°C | 9.1°C | 49 mm | 6 cm |
| December | 12°C | −1°C | 5.7°C | 93 mm | 11 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00044211; 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 Idyllwild Fire Dept?
Normal highs sit between 65°F and 85°F in May, June, September and October. Of those, June has the fewest days with rain (0).
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 USC00044211.
When is the last frost at Idyllwild Fire Dept?
In Idyllwild Fire Dept, the last spring frost (32°F) comes after May 16 in half of years and after June 5 in one year in ten; the first autumn frost comes before October 24 in half of years and before October 1 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 161 year in 10 after June 5; 9 in 10 after April 23
- First autumn frost, half of years before
- October 241 year in 10 before October 1; 9 in 10 before November 11
NOAA puts the median frost-free season at 160 days, and the season without a hard freeze (28°F) at 200 days.
A hard freeze (28°F) comes after April 24 in half of springs and before November 10 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Idyllwild Fire Dept in zone 8a in ZIP code 92549, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 8a: the coldest night of a typical year reaches 14°F (17 complete years).
Frost dates for every NOAA station in California · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00044211; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. 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 Idyllwild Fire Dept?
In a normal year in Idyllwild Fire Dept, 18 days a year reach 90°F, 107 nights fall to 32°F or colder and 47 days bring measurable precipitation.
- Days at 90°F or more
- 18a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 107a normal year
- Days that stay below freezing
- 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 47a normal year
- Days with 1 inch of snow or more
- 9a normal year
The highest temperature in this station's record (since 1943) is 104°F, on June 16, 2021; the lowest is 1°F, on January 5, 1971.
The wettest calendar year on that record is 1983, with 56.87 in; the snowiest season is 1961–62, with 74.9 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00044211; records: ACIS (NOAA Regional Climate Centers), station USC00044211. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Idyllwild Fire Dept?
Over a year 91% of the sunlight that would reach the ground under clear skies gets through the clouds at Idyllwild Fire Dept, 5.8 kWh per square metre a day. June is the sunniest month (96%) and February the cloudiest (84%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 85% | 3.4 |
| February | 84% | 4.3 |
| March | 88% | 5.7 |
| April | 90% | 7.0 |
| May | 93% | 7.9 |
| June | 96% | 8.4 |
| July | 93% | 7.8 |
| August | 94% | 7.3 |
| September | 94% | 6.3 |
| October | 92% | 5.0 |
| November | 89% | 3.7 |
| December | 85% | 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 many heating and cooling degree days does Idyllwild Fire Dept record?
A normal year at Idyllwild Fire Dept brings 4,321 heating degree days, 20% fewer than the median U.S. place (5,373), and 525 cooling degree days, 42% fewer than the median (908). Six months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,838 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 681 | 0 |
| February | 631 | 0 |
| March | 601 | 0 |
| April | 464 | 0 |
| May | 293 | 13 |
| June | 94 | 65 |
| July | 14 | 177 |
| August | 9 | 183 |
| September | 66 | 80 |
| October | 262 | 7 |
| November | 501 | 0 |
| December | 705 | 0 |
| Year (annual) | 4,321 | 525 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00044211. 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 Idyllwild Fire Dept been warmer than normal?
2025 averaged 55.6°F, 1.1°F above the 1991-2020 normal of 54.5°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 55.9°F | +1.4°F | 21.13 | 31.1 |
| 2022 | 55.7°F | +1.2°F | 18.87 | 16.7 |
| 2023 | 53.0°F | −1.5°F | 39.95 | 64.7 |
| 2024 | 55.3°F | +0.8°F | 18.57 | – |
| 2025 | 55.6°F | +1.1°F | 20.36 | – |
Over 32 complete years from 1961 to 2025, the station's annual mean temperature rose at a fitted 3.6°F per century (+0.20°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00044211; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Idyllwild Fire Dept's climate compare?
Idyllwild Fire Dept is warmer than 40 of the 219 places with their own NOAA record in California, and wetter than 154. Across the 7,247 U.S. stations with normals, its annual mean of 54.5°F is warmer than 59%.
In the Köppen classification computed from these normals, Idyllwild Fire Dept is Csb: temperate, dry-summer, warm summer. 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 Idyllwild Fire Dept share this climate record?
5 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.
- Idyllwild-Pine Cove, CA3,762 people · 2 mi SW
- Cabazon, CA2,010 people · 12 mi N
- Anza, CA1,842 people · 14 mi S
- Whitewater, CA1,254 people · 12 mi N
- Mountain Center, CA50 people · 3 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 Idyllwild Fire Dept's climate
What is the coldest month at Idyllwild Fire Dept?
December, with a normal high of 54°F and a normal low of 30°F. The warmest is August (86°F by day, 55°F at night).
Does it snow at Idyllwild Fire Dept?
Yes: 31 inches in a normal year, falling on 11 days with 0.1 inch or more, the most in February (9.8 inches).
What is the rainiest month at Idyllwild Fire Dept?
February, with 5.35 in of precipitation in a normal year; the driest is June with 0.13 in.
What plant hardiness zone is Idyllwild Fire Dept in?
The USDA's 2023 map puts Idyllwild Fire Dept in zone 8a in ZIP code 92549, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches 14°F (17 years, 1991-2020): zone 8a.
How late can frost come at Idyllwild Fire Dept?
In half of years the last 32°F night comes after May 16; in one year in ten it comes after June 5. Waiting until June 5 leaves about a one-in-ten chance of a later frost.
Nearby and next
- California climateThe statewide normals and every place in the state
- Hemet, CA11 miles from this station, 66.3°F a year
- Palm Springs, CA12 miles from this station, 75.6°F a year
- San Jacinto, CA16 miles from this station, 65.0°F a year
- Morongo Valley, CA24 miles from this station, 64.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made