Frost Dates for Del Rio 4nw, TX

Elevation: 320 m

Frost Dates

Last Spring Frost (50%) February 19

First Fall Frost (50%) December 4

30% Probability

Last Spring Frost February 28

First Fall Frost November 27

Hard Freeze (28°F)

Last Spring Hard Freeze January 31

First Fall Hard Freeze December 19

29.41°N, 100.93°W © OpenStreetMap

Growing Season

289 Days February 19 to December 4

USDA Hardiness Zone

Zone 9a

Avg. annual minimum: 20 to 25°F

Learn more

Köppen Climate

BSh Hot Semi-Arid (Steppe)

Hot with low but not negligible rainfall. Less extreme than true desert. Dryland farming techniques and drought-tolerant varieties work well. Mulching and water conservation are key.

Köppen climate map

Temperature

30° 50° 70° 90°

52°

Jan

56°

Feb

64°

Mar

71°

Apr

79°

May

84°

Jun

86°

Jul

87°

Aug

81°

Sep

71°

Oct

61°

Nov

52°

Dec

32°F

Avg High Avg Temp Avg Low Light Frost (32°F)

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	64°	52°	39°
February	69°	56°	44°
March	77°	64°	52°
April	84°	71°	59°
May	90°	79°	67°
June	95°	84°	73°
July	98°	86°	75°
August	98°	87°	75°
September	92°	81°	69°
October	83°	71°	60°
November	73°	61°	50°
December	64°	52°	40°

Precipitation

0" 2" 4" 6" 6.4"

1.4"

Jan

1.7"

Feb

2.5"

Mar

2.9"

Apr

4.4"

May

5.5"

Jun

5.8"

Jul

6.4"

Aug

5.4"

Sep

3.8"

Oct

2.2"

Nov

1.6"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	1.4
February	1.7
March	2.5
April	2.9
May	4.4
June	5.5
July	5.8
August	6.4
September	5.4
October	3.8
November	2.2
December	1.6

Sunrise / Sunset

Jan: 6:51 AM – 5:09 PM · 10h 19m

Feb: 6:31 AM – 5:29 PM · 10h 59m

Mar: 6:06 AM – 5:54 PM · 11h 47m

Apr: 5:39 AM – 6:21 PM · 12h 43m

May: 5:16 AM – 6:44 PM · 13h 28m

Jun: 5:04 AM – 6:56 PM · 13h 52m

Jul: 5:09 AM – 6:51 PM · 13h 43m

Aug: 5:28 AM – 6:32 PM · 13h 04m

Sep: 5:55 AM – 6:05 PM · 12h 10m

Oct: 6:22 AM – 5:38 PM · 11h 16m

Nov: 6:45 AM – 5:15 PM · 10h 30m

Dec: 6:56 AM – 5:04 PM · 10h 07m

Daylight Longest: 13h 53m · Shortest: 10h 07m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	6:51 AM	5:09 PM	10h 19m
February	6:31 AM	5:29 PM	10h 59m
March	6:06 AM	5:54 PM	11h 47m
April	5:39 AM	6:21 PM	12h 43m
May	5:16 AM	6:44 PM	13h 28m
June	5:04 AM	6:56 PM	13h 52m
July	5:09 AM	6:51 PM	13h 43m
August	5:28 AM	6:32 PM	13h 04m
September	5:55 AM	6:05 PM	12h 10m
October	6:22 AM	5:38 PM	11h 16m
November	6:45 AM	5:15 PM	10h 30m
December	6:56 AM	5:04 PM	10h 07m

Nearby Stations

Del Rio Intl AP, TX February 16 - December 3 Amistad Dam, TX February 14 - December 6 PALESTINA, Mexico January 29 - December 13 Carta Valley, TX March 4 - November 20 Brackettville, TX March 5 - November 24 Brackettville 22 N, TX March 11 - November 21

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