When to go · Half Moon Bay
Half Moon Bay, month by month
The best months for Half Moon Bay: May, Jun, Sep, Oct. Months to avoid: Jul, Aug.
Month by month
- JanuaryMixedOutside the best window (Sep–Oct (clearest, warmest); May–Jun for wildflowers). Across United States: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.15 °C (59 °F) / 6 °C (43 °F), 11 rain days59 °F (15 °C) / 43 °F (6 °C), 11 rain daysCrowds: Low
- FebruaryMixedOutside the best window (Sep–Oct (clearest, warmest); May–Jun for wildflowers). Across United States: Still winter north; ski season in the Rockies; Presidents' Day weekend busy. Mardi Gras in New Orleans (date varies).15 °C (59 °F) / 6 °C (43 °F), 10 rain days59 °F (15 °C) / 43 °F (6 °C), 10 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (Sep–Oct (clearest, warmest); May–Jun for wildflowers). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.16 °C (61 °F) / 7 °C (45 °F), 10 rain days61 °F (16 °C) / 45 °F (7 °C), 10 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (Sep–Oct (clearest, warmest); May–Jun for wildflowers). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.16 °C (61 °F) / 7 °C (45 °F), 6 rain days61 °F (16 °C) / 45 °F (7 °C), 6 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.17 °C (63 °F) / 9 °C (48 °F), 4 rain days63 °F (17 °C) / 48 °F (9 °C), 4 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.18 °C (64 °F) / 10 °C (50 °F), 2 rain days64 °F (18 °C) / 50 °F (10 °C), 2 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Aug if you want sun (fog); Oct festival weekend for cheap rooms.18 °C (64 °F) / 11 °C (52 °F), 1 rain days64 °F (18 °C) / 52 °F (11 °C), 1 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jul–Aug if you want sun (fog); Oct festival weekend for cheap rooms.19 °C (66 °F) / 12 °C (54 °F), 1 rain days66 °F (19 °C) / 54 °F (12 °C), 1 rain daysCrowds: High
- SeptemberGreatInside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.19 °C (66 °F) / 11 °C (52 °F), 1 rain days66 °F (19 °C) / 52 °F (11 °C), 1 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.19 °C (66 °F) / 9 °C (48 °F), 3 rain days66 °F (19 °C) / 48 °F (9 °C), 3 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Sep–Oct (clearest, warmest); May–Jun for wildflowers). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.17 °C (63 °F) / 7 °C (45 °F), 6 rain days63 °F (17 °C) / 45 °F (7 °C), 6 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside 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.15 °C (59 °F) / 6 °C (43 °F), 10 rain days59 °F (15 °C) / 43 °F (6 °C), 10 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Half Moon Bay, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 17 °C (63 °F)63 °F (17 °C)
Jun: 18 °C (64 °F)64 °F (18 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Jun: 10 °C (50 °F)50 °F (10 °C)
Rain days
May: 4
Jun: 2 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 1
Jun: 0
May: Inside Half Moon Bay's best window: Sep–Oct (clearest, warmest); May–Jun for wildflowers.
June: 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.