When to go · Half Moon Bay
Half Moon Bay in December
Mixed month. Outside the best window (Sep–Oct (clearest, warmest); May–Jun for wildflowers). 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
- 15°C (59°F)59°F (15°C) / 6°C (43°F)43°F (6°C)
- average high / low
- Rain days
- 10
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Outside the best window (Sep–Oct (clearest, warmest); May–Jun for wildflowers). 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:
- MayGreatInside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.
- JuneGreatInside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.
- SeptemberGreatInside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.
- OctoberGreatInside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.
Weather in December
- Half Moon BayHighs around 15 °C (59 °F), lows around 6 °C (43 °F), rain on about 10 daysHighs around 59 °F (15 °C), lows around 43 °F (6 °C), rain on about 10 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 Half Moon Bay, side by side.
Verdict
Dec: Mixed
May: Great (better)
Daytime high
Dec: 15 °C (59 °F)59 °F (15 °C)
May: 17 °C (63 °F)63 °F (17 °C)
Night low
Dec: 6 °C (43 °F)43 °F (6 °C)
May: 9 °C (48 °F)48 °F (9 °C)
Rain days
Dec: 10
May: 4 (better)
Crowds
Dec: High
May: Medium
Prices
Dec: High
May: Medium
Festivals listed
Dec: 1
May: 1
December: Outside the best window (Sep–Oct (clearest, warmest); May–Jun for wildflowers). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.
May: Inside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.
Half Moon Bay: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast