Frost Dates for Riverdale, CA
Based on data from Lemoore Reeves Nas weather station, 8 miles away
Elevation: 223 ft
Frost Dates
Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide.
February 24
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
November 22
30% Probability
Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost
March 8
First Fall Frost
November 13
Hard Freeze (28°F)
Last Spring Hard Freeze
January 20
First Fall Hard Freeze
December 4
Growing Season
272 Days
February 24 to November 22
USDA Hardiness Zone
Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.Zone 9a
Avg. annual minimum: 20 to 25°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BWh
Hot Desert
Very hot and extremely dry with minimal rainfall. Irrigation is essential for any gardening. Heat-tolerant crops and desert-adapted plants thrive; shade structures help in peak summer.
Temperature
30°
50°
70°
90°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 56° | 47° | 37° |
| February | 63° | 51° | 39° |
| March | 69° | 56° | 43° |
| April | 76° | 61° | 46° |
| May | 85° | 69° | 53° |
| June | 92° | 75° | 58° |
| July | 98° | 80° | 63° |
| August | 97° | 79° | 61° |
| September | 92° | 75° | 57° |
| October | 81° | 65° | 49° |
| November | 67° | 53° | 40° |
| December | 56° | 46° | 36° |
Precipitation
0"
1"
2"
2.5"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 2.2 |
| February | 2.2 |
| March | 2.5 |
| April | 1.9 |
| May | 0.0 |
| June | 0.0 |
| July | 0.0 |
| August | 0.0 |
| September | 0.0 |
| October | 0.2 |
| November | 2.0 |
| December | 1.9 |
Sunrise / Sunset
Daylight
Pacific Time (PT)
Longest: 14h 29m · Shortest: 9h 31m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:16 AM | 5:03 PM | 9h 47m |
| February | 6:54 AM | 5:34 PM | 10h 40m |
| March | 7:18 AM | 7:01 PM | 11h 43m |
| April | 6:32 AM | 7:28 PM | 12h 56m |
| May | 5:58 AM | 7:54 PM | 13h 56m |
| June | 5:46 AM | 8:14 PM | 14h 28m |
| July | 5:58 AM | 8:13 PM | 14h 15m |
| August | 6:22 AM | 7:46 PM | 13h 23m |
| September | 6:48 AM | 7:01 PM | 12h 13m |
| October | 7:14 AM | 6:16 PM | 11h 03m |
| November | 6:44 AM | 4:46 PM | 10h 02m |
| December | 7:10 AM | 4:42 PM | 9h 32m |
Nearby Stations
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