Climate Saint Helena - California
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 58 | 62 | 67 | 72 | 79 | 85 |
| Average low in ºF Av. low Lo | 39 | 41 | 43 | 45 | 49 | 53 |
| Av. precipitation in inch Av. precip. Pre. | 6.94 | 7.36 | 5.11 | 1.98 | 1.30 | 0.16 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 89 | 89 | 86 | 78 | 65 | 57 |
| Average low in ºF Av. low Lo | 54 | 55 | 52 | 48 | 43 | 38 |
| Av. precipitation in inch Av. precip. Pre. | 0.00 | 0.05 | 0.28 | 1.85 | 4.49 | 7.12 |
Saint Helena Climate Graph - California Climate Chart
Daily normals Saint Helena - California - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 56.6 | 37.8 | 0.24 | 0.24 | 0.00 | 0.00 |
| 2 Jan | 56.7 | 37.8 | 0.47 | 0.47 | 0.00 | 0.00 |
| 3 Jan | 56.7 | 37.8 | 0.71 | 0.71 | 0.00 | 0.00 |
| 4 Jan | 56.7 | 37.9 | 0.91 | 0.91 | 0.00 | 0.00 |
| 5 Jan | 56.8 | 37.9 | 1.14 | 1.14 | 0.00 | 0.00 |
| 6 Jan | 56.8 | 38.0 | 1.38 | 1.38 | 0.00 | 0.00 |
| 7 Jan | 56.9 | 38.0 | 1.57 | 1.57 | 0.00 | 0.00 |
| 8 Jan | 57.0 | 38.1 | 1.81 | 1.81 | 0.00 | 0.00 |
| 9 Jan | 57.0 | 38.1 | 2.05 | 2.05 | 0.00 | 0.00 |
| 10 Jan | 57.1 | 38.2 | 2.24 | 2.24 | 0.00 | 0.00 |
| 11 Jan | 57.2 | 38.3 | 2.48 | 2.48 | 0.00 | 0.00 |
| 12 Jan | 57.3 | 38.3 | 2.76 | 2.76 | 0.00 | 0.00 |
Weather history Saint Helena - May 2019
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 May | 77.0 | - | - | - | - |
| 04 May | 80.1 | 43.0 | - | - | - |
| 08 May | 75.0 | - | - | - | - |
| 09 May | 73.9 | 53.1 | - | - | - |
| 14 May | 84.9 | - | - | - | - |
| 16 May | 61.0 | - | - | - | - |
| 31 May | - | 44.1 | - | - | - |
Past weather Saint Helena
| May 19 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 75.3 ºF | 58 ºF | |
| Average low temperature Av. low temp. | - ºF | 39 ºF | |
| Total precipitation Total precip. | - inch | 6.94 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 84.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 61.0 ºF | - | |
| Highest min temperature Highest min temp. | 53.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 43.0 ºF | - | |
Past weather May 2019 incomplete - Missing data
Geo Saint Helena - California
| Country | United States | |
|---|---|---|
| State | California | |
| County | Napa | |
| City | Saint Helena | |
| Zip Code | 94574 | |
| Longitude | -122.47 dec. degr. | |
| Latitude | 38.51 dec. degr. | |
| Altitude - Elevation | 246ft | |
| ICAO | - | |
| IATA | - |
Date and Time Saint Helena - California
| Local Time | 04:16 AM | |
|---|---|---|
| Sunrise | 05:49 AM | |
| Sunset | 08:24 PM | |
| Day/Night | Night | |
| Timezone | (UTC-08:00) Pacific Time (US & Canada) | |
| Timezone DB | America - Los Angeles |
Map of Saint Helena - California
Saint Helena weather averages
| Annual high temperature | 74ºF |
| Annual low temperature | 47ºF |
| Average annual precip. | 36.64 inch |
Station Data
Monthly averages Saint Helena
Longitude: -122.47, Latitude: 38.51
Average weather Saint Helena, CA - 94574
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, ...