Tracy weather by month
What a typical year looks like in Tracy, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at TRACY CARBONA, 11 km from Tracy; records cover 1949–2026.
The year at a glance
- Precipitation a year
- 12.7 in323 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 20
- First fall freeze
- Nov 26
- Heating degree days
- 2,583
- Cooling degree days
- 1,130
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 27°−3° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Tracy in January
Highs average 57°14° and lows 36°2°, with 2.3 in59 mm of precipitation in a typical January.
- Record high
- 74°23° (1976)
- Record low
- 18°−8° (1961)
- Heating degree days
- 564
- Cooling degree days
- 0
Tracy in February
Highs average 62°17° and lows 39°4°, with 2.6 in65 mm of precipitation in a typical February.
- Record high
- 81°27° (1977)
- Record low
- 18°−8° (2009)
- Heating degree days
- 406
- Cooling degree days
- 0
Tracy in March
Highs average 68°20° and lows 42°5°, with 1.7 in44 mm of precipitation in a typical March.
- Record high
- 92°33° (2026)
- Record low
- 24°−4° (2021)
- Heating degree days
- 317
- Cooling degree days
- 1
Tracy in April
Highs average 73°23° and lows 45°7°, with 0.99 in25 mm of precipitation in a typical April.
- Record high
- 95°35° (2004)
- Record low
- 29°−2° (2009)
- Heating degree days
- 189
- Cooling degree days
- 15
Tracy in May
Highs average 80°27° and lows 50°10°, with 0.72 in18 mm of precipitation in a typical May.
- Record high
- 105°41° (1984)
- Record low
- 34°1° (1952)
- Heating degree days
- 73
- Cooling degree days
- 84
Tracy in June
Highs average 88°31° and lows 55°13°, with 0.15 in3.8 mm of precipitation in a typical June.
- Record high
- 112°44° (1961)
- Record low
- 34°1° (2021)
- Heating degree days
- 11
- Cooling degree days
- 209
Tracy in July
Highs average 93°34° and lows 57°14°, with 0 in0 mm of precipitation in a typical July.
- Record high
- 111°44° (1991)
- Record low
- 35°2° (1995)
- Heating degree days
- 1
- Cooling degree days
- 308
Tracy in August
Highs average 92°33° and lows 56°13°, with 0.03 in0.8 mm of precipitation in a typical August.
- Record high
- 109°43° (1971)
- Record low
- 41°5° (1982)
- Heating degree days
- 0
- Cooling degree days
- 275
Tracy in September
Highs average 89°31° and lows 54°12°, with 0.08 in2 mm of precipitation in a typical September.
- Record high
- 112°44° (2022)
- Record low
- 36°2° (2026)
- Heating degree days
- 9
- Cooling degree days
- 189
Tracy in OctoberThis month
Highs average 79°26° and lows 48°9°, with 0.69 in18 mm of precipitation in a typical October.
- Record high
- 103°39° (2024)
- Record low
- 29°−2° (1995)
- Heating degree days
- 95
- Cooling degree days
- 48
Tracy in November
Highs average 67°19° and lows 41°5°, with 1.1 in28 mm of precipitation in a typical November.
- Record high
- 85°29° (1949)
- Record low
- 24°−4° (1952)
- Heating degree days
- 340
- Cooling degree days
- 1
Tracy in December
Highs average 56°13° and lows 36°2°, with 2.3 in59 mm of precipitation in a typical December.
- Record high
- 73°23° (1995)
- Record low
- 17°−8° (1978)
- Heating degree days
- 578
- Cooling degree days
- 0