Yosemite Valley weather by month
What a typical year looks like in Yosemite Valley, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Yosemite Park Headquarters, 1 km from Yosemite Valley; records cover 1905–2026.
The year at a glance
- Precipitation a year
- 36.6 in928 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 20
- First fall freeze
- Oct 31
- Heating degree days
- 4,740
- Cooling degree days
- 753
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 19°−7° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Yosemite Valley in January
Highs average 48°9° and lows 29°−2°, with 7 in177 mm of precipitation in a typical January.
- Record high
- 72°22° (1976)
- Record low
- −13°−25° (2024)
- Heating degree days
- 837
- Cooling degree days
- 0
Yosemite Valley in February
Highs average 51°11° and lows 30°−1°, with 6.5 in165 mm of precipitation in a typical February.
- Record high
- 82°28° (1977)
- Record low
- 1°−17° (1932)
- Heating degree days
- 680
- Cooling degree days
- 0
Yosemite Valley in March
Highs average 57°14° and lows 34°1°, with 5.5 in139 mm of precipitation in a typical March.
- Record high
- 90°32° (1916)
- Record low
- 9°−13° (1922)
- Heating degree days
- 617
- Cooling degree days
- 0
Yosemite Valley in April
Highs average 63°17° and lows 38°3°, with 3.2 in81 mm of precipitation in a typical April.
- Record high
- 96°36° (1916)
- Record low
- 12°−11° (1913)
- Heating degree days
- 440
- Cooling degree days
- 0
Yosemite Valley in May
Highs average 71°21° and lows 45°7°, with 1.9 in49 mm of precipitation in a typical May.
- Record high
- 99°37° (1915)
- Record low
- 15°−9° (1913)
- Heating degree days
- 247
- Cooling degree days
- 15
Yosemite Valley in June
Highs average 81°27° and lows 51°11°, with 0.46 in12 mm of precipitation in a typical June.
- Record high
- 103°39° (1976)
- Record low
- 22°−6° (1913)
- Heating degree days
- 74
- Cooling degree days
- 96
Yosemite Valley in July
Highs average 89°32° and lows 57°14°, with 0.29 in7.4 mm of precipitation in a typical July.
- Record high
- 105°41° (1977)
- Record low
- 32°0° (1912)
- Heating degree days
- 4
- Cooling degree days
- 261
Yosemite Valley in August
Highs average 89°32° and lows 57°14°, with 0.16 in4.1 mm of precipitation in a typical August.
- Record high
- 109°43° (1977)
- Record low
- 32°0° (1913)
- Heating degree days
- 4
- Cooling degree days
- 248
Yosemite Valley in September
Highs average 83°28° and lows 51°11°, with 0.4 in10 mm of precipitation in a typical September.
- Record high
- 108°42° (1976)
- Record low
- 24°−4° (1911)
- Heating degree days
- 52
- Cooling degree days
- 118
Yosemite Valley in OctoberThis month
Highs average 71°22° and lows 41°5°, with 1.6 in40 mm of precipitation in a typical October.
- Record high
- 98°37° (1965)
- Record low
- 19°−7° (1919)
- Heating degree days
- 291
- Cooling degree days
- 15
Yosemite Valley in November
Highs average 56°13° and lows 33°0°, with 4.1 in103 mm of precipitation in a typical November.
- Record high
- 86°30° (1966)
- Record low
- 10°−12° (1915)
- Heating degree days
- 622
- Cooling degree days
- 0
Yosemite Valley in December
Highs average 46°8° and lows 28°−2°, with 5.6 in142 mm of precipitation in a typical December.
- Record high
- 73°23° (1998)
- Record low
- −1°−18° (1911)
- Heating degree days
- 872
- Cooling degree days
- 0