Climate Mount Hamilton - California
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 49 | 48 | 50 | 55 | 63 | 71 |
| Average low in ºF Av. low Lo | 38 | 38 | 39 | 41 | 48 | 56 |
| Av. precipitation in inch Av. precip. Pre. | 4.68 | 4.46 | 4.04 | 1.99 | 1.11 | 0.26 |
| Av. snowfall in inch Snowfall Sn | 3 | 5 | 5 | 1 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 78 | 77 | 73 | 65 | 53 | 48 |
| Average low in ºF Av. low Lo | 65 | 64 | 59 | 52 | 42 | 38 |
| Av. precipitation in inch Av. precip. Pre. | 0.01 | 0.06 | 0.38 | 1.42 | 3.57 | 4.15 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 0 | 3 |
What is the average weather in Mount Hamilton, California?
Mount Hamilton experiences a warm-summer climate with dry summers and wetter winters. Winters are cool and bring regular snowfall, while summers are warm. Precipitation is moderate overall, with frequent rain or drizzle common during the cooler season.
Mount Hamilton Climate Graph - California Climate Chart
Daily normals Mount Hamilton - California - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 49.3 | 38.9 | 0.14 | 0.14 | 0.10 | 0.10 |
| 2 Jan | 49.4 | 39.0 | 0.28 | 0.28 | 0.10 | 0.10 |
| 3 Jan | 49.5 | 39.0 | 0.42 | 0.42 | 0.20 | 0.20 |
| 4 Jan | 49.5 | 39.1 | 0.57 | 0.57 | 0.30 | 0.30 |
| 5 Jan | 49.6 | 39.2 | 0.72 | 0.72 | 0.40 | 0.40 |
| 6 Jan | 49.7 | 39.3 | 0.87 | 0.87 | 0.50 | 0.50 |
| 7 Jan | 49.7 | 39.3 | 1.02 | 1.02 | 0.60 | 0.60 |
| 8 Jan | 49.8 | 39.4 | 1.19 | 1.19 | 0.70 | 0.70 |
| 9 Jan | 49.8 | 39.4 | 1.35 | 1.35 | 0.80 | 0.80 |
| 10 Jan | 49.9 | 39.5 | 1.52 | 1.52 | 0.90 | 0.90 |
| 11 Jan | 49.9 | 39.5 | 1.70 | 1.70 | 1.10 | 1.10 |
| 12 Jan | 49.9 | 39.5 | 1.88 | 1.88 | 1.20 | 1.20 |
| 13 Jan | 49.9 | 39.5 | 2.06 | 2.06 | 1.40 | 1.40 |
| 14 Jan | 49.9 | 39.5 | 2.23 | 2.23 | 1.50 | 1.50 |
| 15 Jan | 49.9 | 39.5 | 2.40 | 2.40 | 1.70 | 1.70 |
| 16 Jan | 49.9 | 39.4 | 2.57 | 2.57 | 1.90 | 1.90 |
| 17 Jan | 49.9 | 39.4 | 2.74 | 2.74 | 2.00 | 2.00 |
| 18 Jan | 49.8 | 39.3 | 2.90 | 2.90 | 2.20 | 2.20 |
| 19 Jan | 49.8 | 39.3 | 3.07 | 3.07 | 2.40 | 2.40 |
| 20 Jan | 49.7 | 39.2 | 3.23 | 3.23 | 2.50 | 2.50 |
| 21 Jan | 49.7 | 39.2 | 3.39 | 3.39 | 2.70 | 2.70 |
| 22 Jan | 49.6 | 39.1 | 3.55 | 3.55 | 2.80 | 2.80 |
| 23 Jan | 49.6 | 39.0 | 3.71 | 3.71 | 3.00 | 3.00 |
| 24 Jan | 49.5 | 38.9 | 3.87 | 3.87 | 3.10 | 3.10 |
| 25 Jan | 49.4 | 38.8 | 4.03 | 4.03 | 3.30 | 3.30 |
| 26 Jan | 49.4 | 38.7 | 4.20 | 4.20 | 3.40 | 3.40 |
| 27 Jan | 49.3 | 38.6 | 4.36 | 4.36 | 3.60 | 3.60 |
| 28 Jan | 49.2 | 38.5 | 4.53 | 4.53 | 3.70 | 3.70 |
| 29 Jan | 49.1 | 38.5 | 4.70 | 4.70 | 3.90 | 3.90 |
| 30 Jan | 49.0 | 38.4 | 4.86 | 4.86 | 4.00 | 4.00 |
| 31 Jan | 49.0 | 38.3 | 5.03 | 5.03 | 4.20 | 4.20 |
Weather history Mount Hamilton - August 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Aug | 86.0 | 73.9 | 0.00 | - | - |
| 02 Aug | 88.0 | 75.0 | 0.00 | - | - |
| 03 Aug | 88.0 | 77.0 | 0.00 | - | - |
| 04 Aug | 88.0 | 75.9 | 0.00 | - | - |
| 05 Aug | 86.0 | 75.9 | 0.00 | - | - |
| 06 Aug | 91.0 | 75.0 | 0.00 | - | - |
| 07 Aug | 90.0 | 75.9 | 0.00 | - | - |
| 08 Aug | 90.0 | 75.9 | 0.00 | - | - |
| 09 Aug | 91.9 | 75.9 | 0.00 | - | - |
| 10 Aug | 86.0 | 73.9 | 0.00 | - | - |
| 11 Aug | - | - | - | - | - |
| 12 Aug | - | - | - | - | - |
| 13 Aug | 64.9 | 54.0 | 0.00 | - | - |
| 14 Aug | 68.0 | 55.0 | 0.00 | - | - |
| 15 Aug | 71.1 | 57.0 | 0.00 | - | - |
| 16 Aug | - | - | - | - | - |
| 17 Aug | - | - | - | - | - |
| 18 Aug | - | - | - | - | - |
| 19 Aug | - | - | - | - | - |
| 20 Aug | - | - | - | - | - |
| 21 Aug | - | - | - | - | - |
| 22 Aug | - | - | - | - | - |
| 23 Aug | - | - | - | - | - |
| 24 Aug | - | - | - | - | - |
| 25 Aug | - | - | - | - | - |
| 26 Aug | - | - | - | - | - |
| 27 Aug | - | - | - | - | - |
| 28 Aug | - | - | - | - | - |
| 29 Aug | - | - | - | - | - |
| 30 Aug | - | - | - | - | - |
| 31 Aug | - | - | - | - | - |
Past weather Mount Hamilton
| Aug 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 83.8 ºF | 49 ºF | |
| Average low temperature Av. low temp. | 70.8 ºF | 38 ºF | |
| Total precipitation Total precip. | 0.00 inch | 4.68 inch | |
| Total snowfall Total snowfall | - inch | 3 inch | |
| Highest max temperature Highest max temp. | 91.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 64.9 ºF | - | |
| Highest min temperature Highest min temp. | 77.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 54.0 ºF | - | |
Past weather August 2026 incomplete - Missing data
Geo Mount Hamilton - California
| Country | United States | |
|---|---|---|
| State | California | |
| County | - | |
| City | Mount Hamilton | |
| Zip Code | 95127 | |
| Longitude | -121.64 dec. degr. | |
| Latitude | 37.34 dec. degr. | |
| Altitude - Elevation | 4196ft | |
| ICAO | - | |
| IATA | - |
Date and Time Mount Hamilton - California
| Local Time | 09:26 PM | |
|---|---|---|
| Sunrise | 06:25 AM | |
| Sunset | 07:55 PM | |
| Day/Night | Night | |
| Timezone | Pacific Daylight Time | |
| Timezone DB | America - Los Angeles |
Map of Mount Hamilton - California
USGS National Map — Open interactive map
Mount Hamilton weather averages
| Annual high temperature | 61ºF |
| Annual low temperature | 48ºF |
| Average annual precip. | 26.13 inch |
| Av. annual snowfall | 17 inch |
Station Data
Monthly averages Mount Hamilton
Longitude: -121.643, Latitude: 37.3419
Average weather Mount Hamilton, CA - 95127
Monthly: 1991-2020 normals
History: 1981-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...