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Lamar County, TX

: September 2026 so far averaged 84.7°F in Lamar 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
90.3°F
Warmest since 2023
15th warmest of 76
Low
67.8°F
Warmest since 2019
8th warmest of 76

No measurable precipitation in the county average of Lamar County, TX for 7 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Lamar County, TX since 1951: 67.8°F in 2026; the lowest is 39.3°F, in 1967.
2019: 73.2°F1967: 39.3°F2026: 67.8°F 2026 67.8°F 1967 39.3°F since 2019 1951 2026
  • Normal range, 47.8 to 66.2°F
Every year as a table

Every 29 September high of the county average in Lamar County, TX since 1951: 90.3°F in 2026; the highest is 100.7°F, in 1953.

YearHigh, °FLow, °F
202690.367.8
202586.859.3
202487.360.2
202394.767.3
202289.253.9
202193.265.6
202074.947.6
20199273.2
201875.258.7
201781.466.1
201689.852
201588.965.3
201485.460.5
201385.463
201285.466.8
201193.958.3
201083.750.7
200978.449.2
20088553
200785.758.6
20067447
200593.460.2
200483.956
200377.750.5
200290.861.8
200179.451.4
200082.947.8
199985.453.5
199893.468
199789.860.1
199672.445.7
199586.865.3
199494.762.2
19938756
199279.152
19918048.8
199089.763.4
198976.651.4
198889.462.2
198779.960.8
19869070.9
198577.858.2
198457.750.6
198387.260.4
198288.363.4
198190.865.7
198058.452.6
197987.559.8
197885.455.7
197789.973.3
197672.256.9
197582.351.6
197474.344.2
197378.753.8
197285.568
19718867.1
197075.353
196988.957.7
196883.455
196767.439.3
196680.954.2
196580.857.4
19646554.4
196383.657.3
196278.354.1
19618261.6
196083.453.2
195989.265.3
195874.749.5
195777.552.6
195695.558.9
195590.470
19549573.5
1953100.764
195293.155.4
195176.553.3

The month

August 2026 averaged 88.2°F in Lamar County, TX, the warmest August in the county average since 2011, 2nd 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 90.3°F averaged over Lamar County, TX, the warmest 29 September in the county average since 2023, 15th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 67.8°F averaged over Lamar County, TX, the warmest 29 September night in the county average since 2019, 8th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Dequeen, AR 72.0 mi, the nearest city with its own station