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Dimmit County, TX

: September 2026 so far averaged 88.5°F in Dimmit County, TX, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
99.3°F
Warmest since 2011
5th warmest of 76
Low
74.1°F
Warmest since 2019
5th warmest of 76

No measurable precipitation in the county average of Dimmit County, TX for 6 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Dimmit County, TX since 1951: 99.3°F in 2026; the highest is 105.9°F, in 2005.
2011: 100.7°F2005: 105.9°F2026: 99.3°F 2026 99.3°F 2005 105.9°F since 2011 1951 2026
  • Normal range, 83.1 to 96.1°F
Every year as a table

Every 29 September low of the county average in Dimmit County, TX since 1951: 74.1°F in 2026; the lowest is 47.6°F, in 1967.

YearHigh, °FLow, °F
202699.374.1
202592.364.9
202495.960.8
202396.569.8
202288.854.4
202197.373.9
202083.258.5
201998.878.1
201882.168.3
201779.171.7
201688.366.2
201595.267.7
201485.267.1
201391.370.9
201287.171.2
2011100.769.7
201086.656.5
200995.872
20089058.9
20079469.9
200693.568.5
2005105.974.6
200486.565.5
200386.161.8
200290.462.1
200187.855.6
200085.554.9
19999262.7
199894.371.3
199795.363.5
199678.451
199594.171.4
199493.160.8
199389.455.1
199287.856.1
199184.660
199089.866.1
198987.458.7
198891.770.2
19878966.8
198694.975.7
198585.565.5
19848352.7
198386.966.6
198295.365
198191.768.4
198089.972.8
197997.860.8
197878.361.8
1977100.370.8
197675.965.3
197589.856.2
197488.153.8
197384.360.7
197290.970.5
197187.666.7
197071.753.2
196993.860.6
196883.359.8
196774.647.6
19669167.1
196587.262
196476.161.4
196388.160.9
196285.661.2
196192.667.8
196091.556.6
195995.671.6
195882.363.3
195784.861.4
195693.359.4
195594.673
195497.875.6
195310060.2
195292.958.7
195192.770.6

The month

August 2026 averaged 89.1°F in Dimmit County, TX, the warmest August in the county average since 2024, 6th warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 99.3°F averaged over Dimmit County, TX, the warmest 29 September in the county average since 2011, 5th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 74.1°F averaged over Dimmit County, TX, the warmest 29 September night in the county average since 2019, 5th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Laredo, TX 64.2 mi, the nearest city with its own station