Climate Half Moon Bay - California
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 59 | 60 | 60 | 60 | 61 | 64 |
| Average low in ºF Av. low Lo | 42 | 42 | 43 | 43 | 47 | 49 |
| Av. precipitation in inch Av. precip. Pre. | 5.53 | 5.19 | 4.22 | 1.90 | 0.98 | 0.29 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 65 | 66 | 66 | 66 | 62 | 59 |
| Average low in ºF Av. low Lo | 52 | 52 | 50 | 47 | 44 | 42 |
| Av. precipitation in inch Av. precip. Pre. | 0.14 | 0.22 | 0.37 | 1.56 | 3.32 | 5.28 |
Half Moon Bay Climate Graph - California Climate Chart
Daily normals Half Moon Bay - California - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 58.5 | 41.6 | 0.16 | 0.16 | 0.00 | 0.00 |
| 2 Jan | 58.5 | 41.6 | 0.31 | 0.31 | 0.00 | 0.00 |
| 3 Jan | 58.5 | 41.6 | 0.47 | 0.47 | 0.00 | 0.00 |
| 4 Jan | 58.5 | 41.6 | 0.67 | 0.67 | 0.00 | 0.00 |
| 5 Jan | 58.5 | 41.6 | 0.83 | 0.83 | 0.00 | 0.00 |
| 6 Jan | 58.6 | 41.6 | 0.98 | 0.98 | 0.00 | 0.00 |
| 7 Jan | 58.6 | 41.5 | 1.14 | 1.14 | 0.00 | 0.00 |
| 8 Jan | 58.6 | 41.5 | 1.34 | 1.34 | 0.00 | 0.00 |
| 9 Jan | 58.6 | 41.5 | 1.50 | 1.50 | 0.00 | 0.00 |
| 10 Jan | 58.7 | 41.5 | 1.69 | 1.69 | 0.00 | 0.00 |
| 11 Jan | 58.7 | 41.5 | 1.85 | 1.85 | 0.00 | 0.00 |
| 12 Jan | 58.8 | 41.5 | 2.05 | 2.05 | 0.00 | 0.00 |
Weather history Half Moon Bay - June 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jun | 60.1 | 44.1 | 0.00 | - | - |
| 02 Jun | 60.1 | 53.1 | 0.00 | - | - |
| 03 Jun | 62.1 | 54.0 | 0.00 | - | - |
| 04 Jun | 64.0 | 54.0 | 0.00 | - | - |
| 05 Jun | 61.0 | 46.9 | 0.00 | - | - |
| 06 Jun | - | - | - | - | - |
| 07 Jun | - | - | - | - | - |
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| 29 Jun | - | - | - | - | - |
| 30 Jun | - | - | - | - | - |
Past weather Half Moon Bay
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 61.5 ºF | 59 ºF | |
| Average low temperature Av. low temp. | 50.4 ºF | 42 ºF | |
| Total precipitation Total precip. | 0.00 inch | 5.53 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 64.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 60.1 ºF | - | |
| Highest min temperature Highest min temp. | 54.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 44.1 ºF | - | |
Past weather June 2026 incomplete - Missing data
Geo Half Moon Bay - California
| Country | United States | |
|---|---|---|
| State | California | |
| County | San Mateo | |
| City | Half Moon Bay | |
| Zip Code | 94019 | |
| Longitude | -122.5 dec. degr. | |
| Latitude | 37.51 dec. degr. | |
| Altitude - Elevation | 39ft | |
| ICAO | - | |
| IATA | - |
Date and Time Half Moon Bay - California
| Local Time | 07:36 PM | |
|---|---|---|
| Sunrise | 05:47 AM | |
| Sunset | 08:31 PM | |
| Day/Night | Day | |
| Timezone | (UTC-08:00) Pacific Time (US & Canada) | |
| Timezone DB | America - Los Angeles |
Map of Half Moon Bay - California
USGS National Map — Open interactive map
Half Moon Bay weather averages
| Annual high temperature | 62ºF |
| Annual low temperature | 46ºF |
| Average annual precip. | 29 inch |
Station Data
Monthly averages Half Moon Bay
Longitude: -122.501, Latitude: 37.5134
Average weather Half Moon Bay, CA - 94019
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...