SeasonScore
Yosemite, United States
Photo: Diliff · CC BY-SA 3.0

United States

Yosemite in December

🧥 Winter

Cold and often rainy.

🎒 Pack: winter coat, gloves & hat · compact umbrella or rain jacket

Best months: Jun (9.6), May (9.4), Jul (9.4)

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Why December scores 7.9What goes into the score

How it works
🌡️ 8° / -2°C🌧️ 142 mm💧 dew pt -9°🍃 PM2.5 3
  • Weather comfort6.2
    • !Cold (8°C highs / -2°C lows)
    • ✓Comfortable humidity (dew point -9.1°C)
    • !Wet: ~142 mm rain, ~5 heavy-rain days
  • Air quality10.0
    • ✓Good (within WHO guideline) (PM2.5 ~3 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut December side by side with another month
DecJun
Score7.9 Very good9.6 Excellent
Season🧥 Winter☀️ Summer
High / low8° / -2°27° / 11°
Rain142 mm12 mm
Humiditydew pt -9°dew pt 1°
PM2.53 µg/m³6 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Yosemite Park HQ weather-station normals. Rainfall: Yosemite Park Headquarters weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Christmas Day 25–27 Dec · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Yosemite

  • Snowy daysIn DecemberTypical dates
    Snow likely Dec–Mar (most in Jan: ~2 days)

    Average number of days with snowfall at Yosemite Park HQ. About 43 cm of snow falls in an average Jan.

    Source: Yosemite Park HQ weather-station normals (national weather service, via Wikipedia climate table)

Explore YosemiteEvents, sights, food & souvenirs

Check event dates locally

A national park in California's Sierra Nevada, known for granite cliffs such as El Capitan and Half Dome, waterfalls and giant sequoias.

Events in December

No major events on our calendar for December.

Coming up later

Horsetail Fall firefallDate variesUsually mid to late February

Sunset can light the waterfall orange-red.

Why go: Requires clear sky and water flow; reservation rules may apply.

Where: El Capitan's east side

Waterfall seasonDate variesUsually April to June

Snowmelt brings peak waterfall flow.

Why go: Mist trails are slippery.

Where: Valley waterfalls