Frost Dates for JAMESTOWN, South Africa

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. September 15
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. May 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 September 27
First Fall Frost May 16

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze August 23
First Fall Hard Freeze June 4
-31.12°N, 26.80°W © OpenStreetMap

Growing Season

250 Days September 15 to May 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

Learn more

Temperature

30° 50° 70° 90°
68°
High: 81°
Avg: 68°
Low: 56°
Jan
67°
High: 79°
Avg: 67°
Low: 56°
Feb
63°
High: 75°
Avg: 63°
Low: 53°
Mar
57°
High: 68°
Avg: 57°
Low: 47°
Apr
51°
High: 62°
Avg: 51°
Low: 41°
May
45°
High: 57°
Avg: 45°
Low: 35°
Jun
45°
High: 57°
Avg: 45°
Low: 34°
Jul
49°
High: 62°
Avg: 49°
Low: 37°
Aug
56°
High: 70°
Avg: 56°
Low: 43°
Sep
60°
High: 74°
Avg: 60°
Low: 47°
Oct
63°
High: 77°
Avg: 63°
Low: 50°
Nov
66°
High: 80°
Avg: 66°
Low: 54°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 1" 2" 3" 3.8"
3.8"
3.80"
Jan
3.5"
3.50"
Feb
3.4"
3.40"
Mar
2.2"
2.20"
Apr
0.1"
0.10"
May
0.1"
0.10"
Jun
0.1"
0.10"
Jul
0.5"
0.50"
Aug
0.5"
0.50"
Sep
2.1"
2.10"
Oct
3.1"
3.10"
Nov
3.3"
3.30"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec14h13h12h11h10h10h10h11h12h13h14h14h
Jan: 5:06 AM – 6:54 PM · 13h 49m
Feb: 5:27 AM – 6:33 PM · 13h 06m
Mar: 5:53 AM – 6:07 PM · 12h 14m
Apr: 6:23 AM – 5:37 PM · 11h 14m
May: 6:47 AM – 5:13 PM · 10h 25m
Jun: 7:00 AM – 4:60 PM · 9h 59m
Jul: 6:55 AM – 5:05 PM · 10h 10m
Aug: 6:34 AM – 5:26 PM · 10h 52m
Sep: 6:05 AM – 5:55 PM · 11h 49m
Oct: 5:37 AM – 6:23 PM · 12h 47m
Nov: 5:12 AM – 6:48 PM · 13h 37m
Dec: 4:60 AM – 7:00 PM · 14h 01m
Daylight Longest: 14h 01m · Shortest: 9h 59m

Nearby Stations

ALIWAL NORTH, South Africa September 8 - May 20 BARKLY EAST, South Africa September 28 - May 1 VENTERSTAD, South Africa August 26 - June 7 ELLIOT, South Africa September 3 - May 27 CRADOCK, South Africa August 5 - June 10 DOHNE, South Africa July 29 - June 16

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