LaCoste weather by month
What a typical year looks like in LaCoste, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at SAN ANTONIO KELLY FIELD AFB, 24 km from LaCoste; records cover 1949–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- Rare
- First fall freeze
- Rare
- Heating degree days
- 1,311
- Cooling degree days
- 3,157
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are — (heating, 99%) and — (cooling, 1%).
Month by month
LaCoste in January
Highs average 64°18° and lows 41°5°, with — of precipitation in a typical January.
- Record high
- 91°33° (2026)
- Record low
- 4°−16° (1949)
- Heating degree days
- 386
- Cooling degree days
- 1
LaCoste in February
Highs average 70°21° and lows 44°7°, with — of precipitation in a typical February.
- Record high
- 98°37° (2026)
- Record low
- 9°−13° (1951)
- Heating degree days
- 240
- Cooling degree days
- 9
LaCoste in March
Highs average 75°24° and lows 52°11°, with — of precipitation in a typical March.
- Record high
- 100°38° (1950)
- Record low
- 25°−4° (2022)
- Heating degree days
- 108
- Cooling degree days
- 63
LaCoste in April
Highs average 82°28° and lows 59°15°, with — of precipitation in a typical April.
- Record high
- 101°38° (1951)
- Record low
- 33°1° (1961)
- Heating degree days
- 10
- Cooling degree days
- 167
LaCoste in May
Highs average 89°31° and lows 66°19°, with — of precipitation in a typical May.
- Record high
- 104°40° (2024)
- Record low
- 46°8° (1960)
- Heating degree days
- 0
- Cooling degree days
- 386
LaCoste in June
Highs average 93°34° and lows 72°22°, with — of precipitation in a typical June.
- Record high
- 106°41° (2024)
- Record low
- 55°13° (1970)
- Heating degree days
- 0
- Cooling degree days
- 522
LaCoste in July
Highs average 96°36° and lows 74°23°, with — of precipitation in a typical July.
- Record high
- 108°42° (1954)
- Record low
- 64°18° (1965)
- Heating degree days
- 0
- Cooling degree days
- 615
LaCoste in August
Highs average 97°36° and lows 74°23°, with — of precipitation in a typical August.
- Record high
- 109°43° (2024)
- Record low
- 60°16° (1961)
- Heating degree days
- 0
- Cooling degree days
- 635
LaCoste in September
Highs average 92°33° and lows 70°21°, with — of precipitation in a typical September.
- Record high
- 105°41° (2023)
- Record low
- 48°9° (2020)
- Heating degree days
- 0
- Cooling degree days
- 471
LaCoste in OctoberThis month
Highs average 84°29° and lows 60°16°, with — of precipitation in a typical October.
- Record high
- 98°37° (2024)
- Record low
- 33°1° (2019)
- Heating degree days
- 14
- Cooling degree days
- 240
LaCoste in November
Highs average 72°22° and lows 49°9°, with — of precipitation in a typical November.
- Record high
- 93°34° (1951)
- Record low
- 23°−5° (1959)
- Heating degree days
- 185
- Cooling degree days
- 46
LaCoste in December
Highs average 65°18° and lows 41°5°, with — of precipitation in a typical December.
- Record high
- 91°33° (2024)
- Record low
- 16°−9° (2022)
- Heating degree days
- 368
- Cooling degree days
- 2