Palm Valley, TX

Climate overview — based on NOAA 1991-2020 normals from HARLINGEN, TX US.

BSh Semi-arid (hot) climate 10b USDA hardiness Zone 10b

Year-round temperatures (°F)

50° 60° 70° 80° 90° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Palm Valley has an annual average temperature of 75.6°F with about 28.2 inches of precipitation per year. The warmest month is August (average high 97.8°F), and the coldest is January (average low 51.1°F). September is typically the wettest month (5.76 in) and February the driest (1.19 in).

Pleasant months
4 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
25.9°F
warmest to coldest month
Heating need
174
Cooling need
3,999

Best time to visit Palm Valley

Full guide →

Climate change signal

All-time records →

30 of 366 (8.2%) of Palm Valley'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.

1910s
27
1920s
51
1930s
66
1940s
59
1950s
54
1960s
27
1970s
7
1980s
13
1990s
11
2000s
12
2010s
20
2020s
19

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 71.7°F 51.1°F 61.4°F 1.22 in 8
February 76.0°F 54.8°F 65.4°F 1.19 in 6
March 81.0°F 60.0°F 70.5°F 1.49 in 6
April 86.4°F 65.9°F 76.1°F 2.29 in 5
May 91.1°F 71.8°F 81.5°F 2.73 in 5
June 95.4°F 75.9°F 85.6°F 2.37 in 7
July 96.6°F 76.9°F 86.8°F 2.44 in 5
August 97.8°F 76.8°F 87.3°F 2.07 in 6
September 93.1°F 73.6°F 83.4°F 5.76 in 11
October 88.0°F 66.8°F 77.4°F 3.06 in 6
November 79.7°F 58.8°F 69.3°F 2.00 in 6
December 73.2°F 52.5°F 62.8°F 1.58 in 0.1 in 8

Climate twins of Palm Valley

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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