Ocotillo Wells (2 mi W), California climate: Climate normals at a NOAA weather station
Ocotillo Wells (2 mi W)'s normal year runs from 47°F December nights to 108°F July afternoons, with 4.0 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 24.8°C, December lows of 8°C, July highs of 42°C, 102 mm of precipitation a year.
- NOAA stationOcotillo Wells (2 mi W)
- Station IDUSC00046386
- Location33.16°N 116.17°W
- Elevation390 ft (119 m)
On October 23, the normal high in Ocotillo Wells (2 mi W) is 88°F and the normal low 65°F, and the chance of measurable rain or snow is 1%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Ocotillo Wells (2 mi W).
- Jan 69° 49°
- Feb 73° 52°
- Mar 80° 58°
- Apr 86° 61°
- May 94° 69°
- Jun 102° 76°
- Jul 108° 83°
- Aug 108° 84°
- Sep 102° 78°
- Oct 91° 68°
- Nov 79° 56°
- Dec 68° 47°
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 Ocotillo Wells (2 mi W) each month?
July is the warmest month, with normal highs of 108°F; December the coldest, with normal lows of 47°F. The most precipitation falls in February (0.81 in), the least in June (0.00 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 69°F | 49°F | 58.8°F | 0.68 | 2 | <1 | <1 | 10 h 10 min |
| February | 73°F | 52°F | 62.4°F | 0.81 | 2 | <1 | <1 | 11 h |
| March | 80°F | 58°F | 68.7°F | 0.54 | 1 | 5 | <1 | 12 h |
| April | 86°F | 61°F | 73.6°F | 0.13 | 1 | 12 | <1 | 13 h |
| May | 94°F | 69°F | 81.4°F | 0.03 | <1 | 22 | <1 | 13 h 50 min |
| June | 102°F | 76°F | 88.9°F | 0.00 | <1 | 29 | <1 | 14 h 20 min |
| July | 108°F | 83°F | 95.7°F | 0.28 | 1 | 31 | <1 | 14 h 10 min |
| August | 108°F | 84°F | 95.7°F | 0.37 | 1 | 31 | <1 | 13 h 30 min |
| September | 102°F | 78°F | 89.9°F | 0.26 | 1 | 28 | <1 | 12 h 30 min |
| October | 91°F | 68°F | 79.1°F | 0.25 | <1 | 20 | <1 | 11 h 20 min |
| November | 79°F | 56°F | 67.1°F | 0.19 | 1 | 3 | <1 | 10 h 30 min |
| December | 68°F | 47°F | 57.6°F | 0.49 | 2 | <1 | <1 | 10 h |
| Year (annual) | 88°F | 65°F | 76.6°F | 4.03 | 13 | 182 | 1 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 20°C | 9°C | 14.9°C | 17 mm |
| February | 23°C | 11°C | 16.9°C | 21 mm |
| March | 26°C | 14°C | 20.4°C | 14 mm |
| April | 30°C | 16°C | 23.1°C | 3 mm |
| May | 34°C | 21°C | 27.4°C | 1 mm |
| June | 39°C | 24°C | 31.6°C | 0 mm |
| July | 42°C | 29°C | 35.4°C | 7 mm |
| August | 42°C | 29°C | 35.4°C | 9 mm |
| September | 39°C | 26°C | 32.2°C | 7 mm |
| October | 33°C | 20°C | 26.2°C | 6 mm |
| November | 26°C | 13°C | 19.5°C | 5 mm |
| December | 20°C | 8°C | 14.2°C | 12 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00046386; 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 Ocotillo Wells (2 mi W)?
Normal highs sit between 65°F and 85°F in January, February, March, November and December. Of those, November 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 USC00046386.
When is the last frost at Ocotillo Wells (2 mi W)?
A night at 32°F or colder comes in only 17% of years in Ocotillo Wells (2 mi W) (NOAA). NOAA's median date of the last spring frost is January 7 and of the first autumn frost January 4.
NOAA puts the median frost-free season at 365 days, and the season without a hard freeze (28°F) at 365 days.
The USDA's 2023 Plant Hardiness Zone Map puts Ocotillo Wells (2 mi W) in zone 10a in ZIP code 92004, 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 USC00046386; 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 Ocotillo Wells (2 mi W)?
In a normal year in Ocotillo Wells (2 mi W), 182 days a year reach 90°F (119 of them 100°F or more), 1 night falls to 32°F or colder and 13 days bring measurable precipitation.
- Days at 90°F or more
- 182a normal year
- Days at 100°F or more
- 119a 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
- 13a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00046386.
How sunny is it at Ocotillo Wells (2 mi W)?
Over a year 91% of the sunlight that would reach the ground under clear skies gets through the clouds at Ocotillo Wells (2 mi W), 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 Ocotillo Wells (2 mi W) record?
A normal year at Ocotillo Wells (2 mi W) brings 674 heating degree days, 87% fewer than the median U.S. place (5,373), and 4,928 cooling degree days, 5.4 times the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 9,743 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 201 | 7 |
| February | 116 | 45 |
| March | 46 | 161 |
| April | 11 | 267 |
| May | 2 | 512 |
| June | 0 | 717 |
| July | 0 | 952 |
| August | 0 | 950 |
| September | 0 | 747 |
| October | 3 | 440 |
| November | 59 | 124 |
| December | 237 | 8 |
| Year (annual) | 674 | 4,928 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00046386. 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 Ocotillo Wells (2 mi W) been warmer than normal?
2025 averaged 78.1°F, 1.5°F above the 1991-2020 normal of 76.6°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.5°F | +1.9°F | 1.90 |
| 2022 | 78.2°F | +1.6°F | 2.08 |
| 2023 | 76.8°F | +0.2°F | 5.11 |
| 2024 | 79.0°F | +2.4°F | 3.17 |
| 2025 | 78.1°F | +1.5°F | 4.18 |
Source: observed years: ACIS, station USC00046386. A year counts only with all twelve months complete.
How does Ocotillo Wells (2 mi W)'s climate compare?
Ocotillo Wells (2 mi W) is warmer than 219 of the 219 places with their own NOAA record in California, and wetter than 9. Across the 7,247 U.S. stations with normals, its annual mean of 76.6°F is warmer than 100%.
In the Köppen classification computed from these normals, Ocotillo Wells (2 mi W) 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 Ocotillo Wells (2 mi W) share this climate record?
Salton City 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.
- Salton City, CA6,244 people · 16 mi NE
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 Ocotillo Wells (2 mi W)'s climate
What is the coldest month at Ocotillo Wells (2 mi W)?
December, with a normal high of 68°F and a normal low of 47°F. The warmest is July (108°F by day, 83°F at night).
What is the rainiest month at Ocotillo Wells (2 mi W)?
February, with 0.81 in of precipitation in a normal year; the driest is June with 0.00 in.
What plant hardiness zone is Ocotillo Wells (2 mi W) in?
The USDA's 2023 map puts Ocotillo Wells (2 mi W) in zone 10a in ZIP code 92004, the nearest ZIP area.
Nearby and next
- California climateThe statewide normals and every place in the state
- Borrego Desert Park, CA16 miles from this station, 73.8°F a year
- Mount Laguna, CA25 miles from this station, 54.4°F a year
- Julian, CA25 miles from this station, 57.8°F a year
- Cuyamaca, CA27 miles from this station, 54.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made