Smithville, TX

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

Cfa Humid subtropical climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Smithville has an annual average temperature of 68.5°F with about 37.1 inches of precipitation per year. The warmest month is August (average high 97.0°F), and the coldest is January (average low 38.6°F). May is typically the wettest month (4.48 in) and July the driest (1.90 in).

Annual swing
34.3°F
warmest to coldest month
Heating need
1,416
Cooling need
2,682

Best time to visit Smithville

Full guide →

Climate change signal

All-time records →

10 of 366 (2.7%) of Smithville'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
0
1920s
18
1930s
121
1940s
83
1950s
39
1960s
8
1970s
8
1980s
12
1990s
22
2000s
30
2010s
22
2020s
3

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 62.8°F 38.6°F 50.7°F 2.68 in 6
February 66.5°F 42.1°F 54.3°F 2.24 in 6
March 73.1°F 49.0°F 61.1°F 2.84 in 6
April 80.1°F 55.8°F 67.9°F 3.57 in 5
May 86.3°F 65.0°F 75.7°F 4.48 in 6
June 92.5°F 71.3°F 81.9°F 3.17 in 6
July 95.4°F 73.3°F 84.4°F 1.90 in 5
August 97.0°F 73.0°F 85.0°F 2.78 in 4
September 91.3°F 67.8°F 79.6°F 3.73 in 5
October 82.8°F 56.9°F 69.9°F 3.96 in 6
November 72.4°F 47.3°F 59.8°F 2.96 in 5
December 64.2°F 39.7°F 51.9°F 2.81 in 6

Climate twins of Smithville

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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