Climate Half Moon Bay - California
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 59 | 60 | 60 | 61 | 62 | 64 |
| Average low in ºF Av. low Lo | 43 | 43 | 44 | 45 | 48 | 50 |
| Days with precipitation Days precip. DP | 14 | 14 | 13 | 8 | 7 | 5 |
| Av. precipitation in inch Av. precip. Pre. | 5.07 | 4.73 | 3.67 | 1.81 | 0.96 | 0.36 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 65 | 66 | 66 | 66 | 63 | 59 |
| Average low in ºF Av. low Lo | 53 | 54 | 51 | 48 | 45 | 43 |
| Days with precipitation Days precip. DP | 7 | 7 | 6 | 7 | 10 | 13 |
| Av. precipitation in inch Av. precip. Pre. | 0.14 | 0.23 | 0.21 | 1.26 | 2.43 | 5.17 |
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 - December 2019
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Dec | 61.0 | 51.1 | 0.02 | - | - |
| 02 Dec | 64.9 | 55.0 | 0.20 | - | - |
| 03 Dec | 63.0 | 53.1 | 0.02 | - | - |
| 04 Dec | 62.1 | 51.1 | 0.32 | - | - |
| 05 Dec | 61.0 | 48.9 | 0.03 | - | - |
| 06 Dec | 66.0 | 55.9 | 0.00 | - | - |
| 07 Dec | 62.1 | 55.9 | 0.67 | - | - |
| 08 Dec | 60.1 | 52.0 | 0.26 | - | - |
| 09 Dec | 57.0 | 45.0 | 0.01 | - | - |
| 10 Dec | 57.9 | 48.0 | 0.00 | - | - |
| 11 Dec | 60.1 | 52.0 | 0.31 | - | - |
| 12 Dec | 60.1 | 57.0 | 0.20 | - | - |
| 13 Dec | 60.1 | 48.9 | 0.02 | - | - |
| 15 Dec | 55.9 | 39.9 | 0.04 | - | - |
| 16 Dec | 57.0 | 39.0 | 0.00 | - | - |
| 17 Dec | 63.0 | 43.0 | 0.00 | - | - |
| 18 Dec | 60.1 | 50.0 | 0.82 | - | - |
| 19 Dec | 57.9 | 46.9 | 0.11 | - | - |
| 20 Dec | 57.9 | 44.1 | 0.00 | - | - |
| 21 Dec | 60.1 | 44.1 | 0.00 | - | - |
| 22 Dec | 60.1 | 45.0 | 0.81 | - | - |
| 23 Dec | 55.0 | 35.1 | 0.00 | - | - |
| 24 Dec | 54.0 | 37.0 | 0.08 | - | - |
| 25 Dec | 53.1 | 44.1 | 0.11 | - | - |
| 26 Dec | 57.0 | 46.0 | 0.00 | - | - |
Past weather Half Moon Bay
| Dec 19 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 59.5 ºF | 59 ºF | |
| Average low temperature Av. low temp. | 47.5 ºF | 43 ºF | |
| Total precipitation Total precip. | 4.03 inch | 5.07 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 66.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 53.1 ºF | - | |
| Highest min temperature Highest min temp. | 57.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 35.1 ºF | - | |
Past weather December 2019 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 | 05:36 AM | |
|---|---|---|
| Sunrise | 06:49 AM | |
| Sunset | 07:21 PM | |
| Day/Night | Night | |
| Timezone | (UTC-08:00) Pacific Time (US & Canada) | |
| Timezone DB | America - Los Angeles |
Map of Half Moon Bay - California
Half Moon Bay weather averages
| Annual high temperature | 63ºF |
| Annual low temperature | 47ºF |
| Days per year with precip. | 111 days |
| Average annual precip. | 26.04 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: 2007-2019
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...