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When to go · Sunol

Sunol in December

Mixed month. Outside the best window (Mar–May, Oct–Nov). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.

Key facts

Verdict
Mixed
Temperature
14°C (57°F) / 4°C (39°F)
average high / low
Rain days
9
Crowds
High
United States overall
Prices
High
United States overall

Verdict

MixedUnited States month rating

Outside the best window (Mar–May, Oct–Nov). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.

Is another month better than December?

December is rated mixed. These months rate higher:

Weather in December

Long-term averages
  • SunolHighs around 14 °C (57 °F), lows around 4 °C (39 °F), rain on about 9 days

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Christmas Day big impact

    25 Dec · United States

    Most businesses closed; flights full from about 20 Dec to 2 Jan.

Crowds and prices

Crowds · United States overall
High
Prices · United States overall
High

United States overall: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in Sunol, side by side.

  • Verdict

    Dec: Mixed

    Mar: Great (better)

  • Daytime high

    Dec: 14 °C (57 °F)

    Mar: 18 °C (64 °F)

  • Night low

    Dec: 4 °C (39 °F)

    Mar: 6 °C (43 °F)

  • Rain days

    Dec: 9

    Mar: 9

  • Crowds

    Dec: High

    Mar: Medium

  • Prices

    Dec: High

    Mar: Medium

  • Festivals listed

    Dec: 1

    Mar: 2

December: Outside the best window (Mar–May, Oct–Nov). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.

March: Inside Sunol's best window: Mar–May, Oct–Nov.

Sunol: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm coat, hat and gloves for mornings and evenings

Build the full packing list for your trip →

Across United States in December →