Lamar weather by month
What a typical year looks like in Lamar, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at ROCKPORT, 15 km from Lamar; records cover 1959–2026.
The year at a glance
- Precipitation a year
- 36.4 in925 mm
- Snow a year
- 0.3 in0.8 cm
- Last spring freeze
- Jan 31
- First fall freeze
- Dec 13
- Heating degree days
- 918
- Cooling degree days
- 3,641
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 32°0° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Lamar in January
Highs average 66°19° and lows 46°8°, with 2.6 in66 mm of precipitation in a typical January.
- Record high
- 87°31° (1983)
- Record low
- 14°−10° (1962)
- Heating degree days
- 294
- Cooling degree days
- 12
Lamar in February
Highs average 69°20° and lows 50°10°, with 2 in51 mm of precipitation in a typical February.
- Record high
- 90°32° (1986)
- Record low
- 22°−6° (1985)
- Heating degree days
- 181
- Cooling degree days
- 26
Lamar in March
Highs average 74°23° and lows 57°14°, with 2.8 in70 mm of precipitation in a typical March.
- Record high
- 99°37° (1986)
- Record low
- 23°−5° (1980)
- Heating degree days
- 80
- Cooling degree days
- 94
Lamar in April
Highs average 80°27° and lows 65°18°, with 2.1 in54 mm of precipitation in a typical April.
- Record high
- 100°38° (1986)
- Record low
- 38°3° (1987)
- Heating degree days
- 13
- Cooling degree days
- 235
Lamar in May
Highs average 85°30° and lows 72°22°, with 3.4 in86 mm of precipitation in a typical May.
- Record high
- 98°37° (1998)
- Record low
- 48°9° (1983)
- Heating degree days
- 0
- Cooling degree days
- 427
Lamar in June
Highs average 90°32° and lows 78°25°, with 3.7 in93 mm of precipitation in a typical June.
- Record high
- 102°39° (2012)
- Record low
- 57°14° (1988)
- Heating degree days
- 0
- Cooling degree days
- 568
Lamar in July
Highs average 92°33° and lows 79°26°, with 3 in76 mm of precipitation in a typical July.
- Record high
- 100°38° (1980)
- Record low
- 64°18° (1978)
- Heating degree days
- 0
- Cooling degree days
- 632
Lamar in August
Highs average 93°34° and lows 79°26°, with 2.4 in60 mm of precipitation in a typical August.
- Record high
- 102°39° (2012)
- Record low
- 64°18° (1970)
- Heating degree days
- 0
- Cooling degree days
- 649
Lamar in September
Highs average 91°33° and lows 75°24°, with 5.7 in144 mm of precipitation in a typical September.
- Record high
- 105°41° (2000)
- Record low
- 50°10° (1995)
- Heating degree days
- 0
- Cooling degree days
- 526
Lamar in OctoberThis month
Highs average 84°29° and lows 67°19°, with 4 in101 mm of precipitation in a typical October.
- Record high
- 97°36° (1982)
- Record low
- 29°−2° (1993)
- Heating degree days
- 12
- Cooling degree days
- 331
Lamar in November
Highs average 75°24° and lows 56°13°, with 3 in76 mm of precipitation in a typical November.
- Record high
- 96°36° (1988)
- Record low
- 27°−3° (1992)
- Heating degree days
- 93
- Cooling degree days
- 111
Lamar in December
Highs average 68°20° and lows 48°9°, with 1.9 in48 mm of precipitation and 0.3 in0.8 cm of snow in a typical December.
- Record high
- 87°31° (1977)
- Record low
- 12°−11° (1983)
- Heating degree days
- 245
- Cooling degree days
- 30