Lago Vista weather by month
What a typical year looks like in Lago Vista, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Austin 33 NW, 21 km from Lago Vista; records cover 2008–2026.
The year at a glance
- Precipitation a year
- 33 in839 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 27
- First fall freeze
- Dec 3
- Heating degree days
- 1,785
- Cooling degree days
- 2,696
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 24°−4° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Lago Vista in January
Highs average 60°16° and lows 40°5°, with 1.9 in47 mm of precipitation in a typical January.
- Record high
- 83°28° (2023)
- Record low
- 12°−11° (2018)
- Heating degree days
- 463
- Cooling degree days
- 6
Lago Vista in February
Highs average 63°17° and lows 43°6°, with 2.1 in53 mm of precipitation in a typical February.
- Record high
- 93°34° (2024)
- Record low
- 3°−16° (2021)
- Heating degree days
- 350
- Cooling degree days
- 13
Lago Vista in March
Highs average 71°22° and lows 50°10°, with 2.7 in68 mm of precipitation in a typical March.
- Record high
- 93°34° (2008)
- Record low
- 17°−8° (2014)
- Heating degree days
- 192
- Cooling degree days
- 44
Lago Vista in April
Highs average 78°25° and lows 57°14°, with 2.9 in74 mm of precipitation in a typical April.
- Record high
- 96°36° (2022)
- Record low
- 36°2° (2014)
- Heating degree days
- 53
- Cooling degree days
- 118
Lago Vista in May
Highs average 84°29° and lows 64°18°, with 4 in102 mm of precipitation in a typical May.
- Record high
- 100°38° (2011)
- Record low
- 40°4° (2013)
- Heating degree days
- 8
- Cooling degree days
- 286
Lago Vista in June
Highs average 91°33° and lows 71°22°, with 2.8 in71 mm of precipitation in a typical June.
- Record high
- 105°41° (2012)
- Record low
- 60°16° (2020)
- Heating degree days
- 0
- Cooling degree days
- 469
Lago Vista in July
Highs average 94°35° and lows 73°23°, with 2 in51 mm of precipitation in a typical July.
- Record high
- 109°43° (2018)
- Record low
- 65°18° (2019)
- Heating degree days
- 0
- Cooling degree days
- 569
Lago Vista in August
Highs average 95°35° and lows 73°23°, with 2.9 in73 mm of precipitation in a typical August.
- Record high
- 108°42° (2023)
- Record low
- 64°18° (2020)
- Heating degree days
- 0
- Cooling degree days
- 585
Lago Vista in September
Highs average 88°31° and lows 68°20°, with 3.2 in81 mm of precipitation in a typical September.
- Record high
- 106°41° (2023)
- Record low
- 52°11° (2010)
- Heating degree days
- 2
- Cooling degree days
- 383
Lago Vista in OctoberThis month
Highs average 79°26° and lows 60°15°, with 3.5 in89 mm of precipitation in a typical October.
- Record high
- 100°38° (2024)
- Record low
- 28°−2° (2019)
- Heating degree days
- 49
- Cooling degree days
- 183
Lago Vista in November
Highs average 68°20° and lows 49°10°, with 2.9 in72 mm of precipitation in a typical November.
- Record high
- 86°30° (2013)
- Record low
- 23°−5° (2019)
- Heating degree days
- 226
- Cooling degree days
- 34
Lago Vista in December
Highs average 61°16° and lows 41°5°, with 2.3 in57 mm of precipitation in a typical December.
- Record high
- 87°31° (2024)
- Record low
- 10°−12° (2022)
- Heating degree days
- 442
- Cooling degree days
- 6