Del Rio, TX

Climate overview — based on NOAA 1991-2020 normals from DEL RIO INTL AP, TX US.

BSh Semi-arid (hot) climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Del Rio has an annual average temperature of 73.9°F with about 19.8 inches of precipitation per year. The warmest month is August (average high 101.0°F), and the coldest is January (average low 43.6°F). May is typically the wettest month (3.06 in) and January the driest (0.61 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
34.3°F
warmest to coldest month
Heating need
723
Cooling need
3,915

Best time to visit Del Rio

Full guide →

Climate change signal

All-time records →

162 of 366 (44.3%) of Del Rio's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1950s
31
1960s
12
1970s
25
1980s
28
1990s
31
2000s
48
2010s
59
2020s
132

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 67.5°F 43.6°F 55.6°F 0.61 in 4
February 72.7°F 48.4°F 60.5°F 0.63 in 0.1 in 5
March 80.1°F 56.1°F 68.1°F 1.18 in 5
April 87.0°F 62.8°F 74.9°F 1.50 in 5
May 93.1°F 71.1°F 82.1°F 3.06 in 7
June 98.4°F 77.0°F 87.7°F 2.32 in 5
July 100.4°F 78.7°F 89.5°F 1.48 in 4
August 101.0°F 78.8°F 89.9°F 2.69 in 4
September 93.8°F 73.3°F 83.5°F 2.63 in 6
October 85.6°F 64.1°F 74.8°F 2.08 in 6
November 74.8°F 52.5°F 63.7°F 0.91 in 4
December 67.8°F 44.3°F 56.1°F 0.70 in 4

Climate twins of Del Rio

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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