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USDA Hardiness Zone 10a

Frost Dates for 92201 — Indio, California

NOAA 1991–2020 normals from Indio Fire Stn, CA, 1 miles east.

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%

32°F or below, 1991–2020

Winters with 36°F
77%

frost possible on leaves

Coldest month low
45°F

average, December

Hardiness zone
10a

30 to 35°F (-1.1 to 1.7°C) coldest night

First snow
Rare

median, 1991–2020

Last snow
Rare

median, 1991–2020

Winters with snow
0%

0 of 16 observed

Snow per year
0"

NOAA normal

Frost risk by date in Indio

At Indio Fire Stn, CA, 1 mile east 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.

Spring: the chance of another night this cold after the date
Low90%80%70%60%50%40%30%20%10%
36°F77% of yrsDec 10Dec 18Dec 24Dec 30Jan 1Jan 5Jan 10Jan 18Jan 31
32°F30% of yrstoo rare for a date
28°F2% of yrstoo rare for a date
Fall: the chance the first night this cold has come by the date
Low10%20%30%40%50%60%70%80%90%
36°F77% of yrsNov 30Dec 6Dec 10Dec 13Dec 18Dec 21Dec 25Dec 31Jan 7
32°F30% of yrstoo rare for a date
28°F2% of yrstoo 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 92201 →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.

Monthly normals 1991–2020 at Indio Fire Stn, CA
MonthHigh °FLow °FPrecip. in32°F nightNights ≤ 32°FGDD 50°F
Jan70470.712%<1268
Feb73510.61%<1341
Mar80570.30%0575
Apr86630.10%0734
May93690.00%0967
Jun102770.00%01174
Jul106830.10%01369
Aug105830.30%01359
Sep101770.10%01160
Oct91660.20%0873
Nov78530.21%0465
Dec69450.519%1223

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, Mecca Fire Stn, CA, 14 miles southeast of Indio and 162 feet lower, has a 32°F night in 70% of winters against 30% here, and a coolest-month low 3°F colder (42°F).

Frost dates for 92274 (Thermal) →

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, 1.2 miles away, so there is no typical first-snow date to plan around.

Where these figures come from

ZIP 92201 is 1 mile from Indio Fire Stn, CA, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 6 other ZIP codes share the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 92201 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.

ZIP codes measured at the same station

Other zone 10a places in California