USDA Hardiness Zone 10a
Frost Dates for 92203 — Indio, California
NOAA 1991–2020 normals from Indio Fire Stn, CA, 4 miles southeast.
Updated
Frost is not a yearly event in Indio: a night at or below 32°F came in 30% of the winters of 1991–2020 at Indio Fire Stn, CA, and a 36°F night, cold enough for frost on exposed leaves, in 77%. There is no reliable "last frost date" here; most years have none.
- Winters with a freeze
- 30%
- Winters with 36°F
- 77%
- Coldest month low
- 45°F
- Hardiness zone
- 10a
32°F or below, 1991–2020
frost possible on leaves
average, December
30 to 35°F (-1.1 to 1.7°C) coldest night
- First snow
- Rare
- Last snow
- Rare
- Winters with snow
- 0%
- Snow per year
- 0"
median, 1991–2020
median, 1991–2020
0 of 16 observed
NOAA normal
Frost risk by date in Indio
At Indio Fire Stn, CA, 4 miles southeast of Indio, 30% of the winters of 1991–2020 had at least one night at or below 32°F, 2% reached 28°F. Nights of 36°F, enough for frost on exposed leaves, are more common (77% of winters) and, when they come, fall between about December 18 and January 1. December is the month most likely to bring one: a 19% chance in a given year. 62 of the 283 other California stations behind this site's ZIP pages freeze in fewer than half of winters too.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F77% of yrs | Dec 10 | Dec 18 | Dec 24 | Dec 30 | Jan 1 | Jan 5 | Jan 10 | Jan 18 | Jan 31 |
| 32°F30% of yrs | too rare for a date | ||||||||
| 28°F2% of yrs | too rare for a date | ||||||||
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F77% of yrs | Nov 30 | Dec 6 | Dec 10 | Dec 13 | Dec 18 | Dec 21 | Dec 25 | Dec 31 | Jan 7 |
| 32°F30% of yrs | too rare for a date | ||||||||
| 28°F2% of yrs | too rare for a date | ||||||||
Freeze probabilities 1991–2020 at Indio Fire Stn, CA, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.
Frost risk on any date in 92203 →Compare Indio with another place →
Weather by month in Indio
July is the warmest month at Indio Fire Stn, CA, averaging 106°F by day and 83°F at night; December is the coldest at 69°F and 45°F. From February to November the chance of a 32°F night stays under 10% each month.
Warmth for growing adds up to 9,508 growing degree days a year (base 50°F), more than at 99% of the 283 California stations. 43% of them (4,059) have built up by the end of June, and July adds the most, 1,369. Precipitation totals 3.1 inches a year, most in January (0.7") and least in May (0.0"); May to September bring 16% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 70 | 47 | 0.7 | 12% | <1 | 268 |
| Feb | 73 | 51 | 0.6 | 1% | <1 | 341 |
| Mar | 80 | 57 | 0.3 | 0% | 0 | 575 |
| Apr | 86 | 63 | 0.1 | 0% | 0 | 734 |
| May | 93 | 69 | 0.0 | 0% | 0 | 967 |
| Jun | 102 | 77 | 0.0 | 0% | 0 | 1174 |
| Jul | 106 | 83 | 0.1 | 0% | 0 | 1369 |
| Aug | 105 | 83 | 0.3 | 0% | 0 | 1359 |
| Sep | 101 | 77 | 0.1 | 0% | 0 | 1160 |
| Oct | 91 | 66 | 0.2 | 0% | 0 | 873 |
| Nov | 78 | 53 | 0.2 | 1% | 0 | 465 |
| Dec | 69 | 45 | 0.5 | 19% | 1 | 223 |
Monthly normals 1991–2020 at Indio Fire Stn, CA, NOAA NCEI. "32°F night": chance of at least one in the month. GDD: growing degree days, base 50°F.
Compared with the next station
The nearest other station, Palm Springs Regional Airport, CA, 16 miles west of Indio and 442 feet higher, has a 32°F night in 11% of winters against 30% here, and a coolest-month low 1°F warmer (46°F).
When it snows in Indio, California
Measurable snow is rare here: only 0 of 16 winters from 1991 to 2020 recorded 0.1 inch or more at Indio Fire Stn, CA, 3.6 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 92203 is 4 miles from Indio Fire Stn, CA, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 6 other ZIP codes share the station; its figures are presented in full for 92201 (Indio). The 2023 USDA Plant Hardiness Zone Map lists ZIP 92203 in zone 10a, the band where the coldest night of the year averaged 30 to 35°F (-1.1 to 1.7°C) over 1991–2020; a zone describes winter lows, not frost dates.
Frost dates across California →
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.