Frost Dates for Ramona, CA

Based on data from Ramona AP weather station, 3 miles away

Elevation: 1427 ft

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. March 19
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 23
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 30
First Fall Frost November 16

Hard Freeze (28°F)

Last Spring Hard Freeze February 7
First Fall Hard Freeze December 10
33.04°N, -116.87°W © OpenStreetMap

Growing Season

249 Days March 19 to November 23

USDA Hardiness Zone iHardiness 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 (−7 to −4°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Csa Hot-Summer Mediterranean

Hot, dry summers and mild, wet winters. Classic Mediterranean climate ideal for grapes, olives, tomatoes, and herbs. Summer irrigation is usually necessary.

Köppen climate map

Temperature

30° 50° 70° 90°
51°
High: 66°F
Avg: 51°F
Low: 37°F
Jan
52°
High: 66°F
Avg: 52°F
Low: 38°F
Feb
54°
High: 68°F
Avg: 54°F
Low: 40°F
Mar
57°
High: 72°F
Avg: 57°F
Low: 43°F
Apr
62°
High: 76°F
Avg: 62°F
Low: 49°F
May
67°
High: 83°F
Avg: 67°F
Low: 52°F
Jun
73°
High: 89°F
Avg: 73°F
Low: 58°F
Jul
75°
High: 91°F
Avg: 75°F
Low: 59°F
Aug
71°
High: 87°F
Avg: 71°F
Low: 55°F
Sep
64°
High: 80°F
Avg: 64°F
Low: 49°F
Oct
56°
High: 73°F
Avg: 56°F
Low: 40°F
Nov
51°
High: 66°F
Avg: 51°F
Low: 36°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 4.4"
4.1"
4.13"
Jan
3.9"
3.86"
Feb
3.2"
3.17"
Mar
2.1"
2.06"
Apr
1.0"
1.04"
May
0.0"
0.00"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.0"
0.00"
Sep
1.0"
0.99"
Oct
2.7"
2.74"
Nov
4.4"
4.41"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h13.5h14h14h13h12h11h10.5h10h
Jan: 6:56 AM – 4:58 PM · 10h 03m
Feb: 6:38 AM – 5:27 PM · 10h 49m
Mar: 7:05 AM – 6:50 PM · 11h 45m
Apr: 6:23 AM – 7:13 PM · 12h 50m
May: 5:53 AM – 7:35 PM · 13h 42m
Jun: 5:43 AM – 7:53 PM · 14h 10m
Jul: 5:54 AM – 7:53 PM · 13h 59m
Aug: 6:15 AM – 7:29 PM · 13h 13m
Sep: 6:36 AM – 6:48 PM · 12h 12m
Oct: 6:58 AM – 6:08 PM · 11h 09m
Nov: 6:25 AM – 4:41 PM · 10h 16m
Dec: 6:49 AM – 4:38 PM · 9h 50m
Daylight Pacific Time (PT) Longest: 14h 11m · Shortest: 9h 49m

Nearby Stations

Ramona Fire Dept, CA March 4 - December 4 San Pasqual Animal Pk, CA February 2 - December 7 Rancho Bernardo, CA January 5 - January 2 Escondido #2, CA January 2 - December 30 El Capitan Dam, CA March 19 - December 8 Valley Ctr 1n, CA February 19 - December 1

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