Elmendorf weather by month
What a typical year looks like in Elmendorf, 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 Stinson Municipal Airport, 17 km from Elmendorf; records cover 1941–2026.
The year at a glance
- Precipitation a year
- 29.7 in755 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 19
- First fall freeze
- Nov 29
- Heating degree days
- 1,240
- Cooling degree days
- 3,475
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 28°−2° (heating, 99%) and 104°40° (cooling, 1%).
Month by month
Elmendorf in January
Highs average 65°18° and lows 42°6°, with 1.8 in45 mm of precipitation in a typical January.
- Record high
- 88°31° (2026)
- Record low
- 17°−8° (2010)
- Heating degree days
- 367
- Cooling degree days
- 11
Elmendorf in February
Highs average 69°21° and lows 47°8°, with 1.6 in40 mm of precipitation in a typical February.
- Record high
- 96°36° (2026)
- Record low
- 10°−12° (2021)
- Heating degree days
- 231
- Cooling degree days
- 35
Elmendorf in March
Highs average 75°24° and lows 54°12°, with 2.4 in62 mm of precipitation in a typical March.
- Record high
- 97°36° (2025)
- Record low
- 21°−6° (2002)
- Heating degree days
- 112
- Cooling degree days
- 95
Elmendorf in April
Highs average 82°28° and lows 60°16°, with 2.3 in59 mm of precipitation in a typical April.
- Record high
- 102°39° (2022)
- Record low
- 35°2° (2007)
- Heating degree days
- 24
- Cooling degree days
- 207
Elmendorf in May
Highs average 88°31° and lows 68°20°, with 3.9 in99 mm of precipitation in a typical May.
- Record high
- 106°41° (2022)
- Record low
- 42°6° (2013)
- Heating degree days
- 1
- Cooling degree days
- 409
Elmendorf in June
Highs average 94°34° and lows 74°23°, with 3.2 in81 mm of precipitation in a typical June.
- Record high
- 108°42° (1998)
- Record low
- 61°16° (2020)
- Heating degree days
- 0
- Cooling degree days
- 564
Elmendorf in July
Highs average 96°36° and lows 75°24°, with 1.8 in45 mm of precipitation in a typical July.
- Record high
- 109°43° (2018)
- Record low
- 64°18° (2025)
- Heating degree days
- 0
- Cooling degree days
- 643
Elmendorf in August
Highs average 98°36° and lows 76°24°, with 2.5 in64 mm of precipitation in a typical August.
- Record high
- 113°45° (2011)
- Record low
- 38°3° (2026)
- Heating degree days
- 0
- Cooling degree days
- 668
Elmendorf in September
Highs average 91°33° and lows 71°22°, with 3.2 in80 mm of precipitation in a typical September.
- Record high
- 112°44° (2000)
- Record low
- 47°8° (2020)
- Heating degree days
- 0
- Cooling degree days
- 488
Elmendorf in OctoberThis month
Highs average 84°29° and lows 62°17°, with 3 in77 mm of precipitation in a typical October.
- Record high
- 100°38° (2019)
- Record low
- 35°2° (2017)
- Heating degree days
- 24
- Cooling degree days
- 264
Elmendorf in November
Highs average 73°23° and lows 51°11°, with 2 in51 mm of precipitation in a typical November.
- Record high
- 94°34° (2017)
- Record low
- 25°−4° (2018)
- Heating degree days
- 155
- Cooling degree days
- 71
Elmendorf in December
Highs average 66°19° and lows 44°7°, with 2.1 in53 mm of precipitation in a typical December.
- Record high
- 90°32° (2013)
- Record low
- 18°−8° (2022)
- Heating degree days
- 326
- Cooling degree days
- 20