Climate Portola - California
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 42 | 45 | 51 | 57 | 67 | 76 |
| Average low in ºF Av. low Lo | 19 | 21 | 25 | 29 | 35 | 40 |
| Av. precipitation in inch Av. precip. Pre. | 4.06 | 3.87 | 3.36 | 1.37 | 0.96 | 0.52 |
| Av. snowfall in inch Snowfall Sn | 10 | 12 | 6 | 3 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 85 | 84 | 77 | 65 | 51 | 42 |
| Average low in ºF Av. low Lo | 44 | 42 | 37 | 30 | 24 | 19 |
| Av. precipitation in inch Av. precip. Pre. | 0.28 | 0.28 | 0.60 | 1.27 | 2.59 | 4.09 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 4 | 8 |
What is the average weather in Portola, California?
Portola experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm and dry, while winters are cold and bring significant snowfall. Most of the moderate annual precipitation arrives during the wetter winter months.
Portola Climate Graph - California Climate Chart
Daily normals Portola - California - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 40.9 | 18.5 | 0.12 | 0.12 | 0.31 | 0.80 |
| 2 Jan | 41.0 | 18.5 | 0.28 | 0.28 | 0.51 | 1.30 |
| 3 Jan | 41.0 | 18.5 | 0.39 | 0.39 | 0.79 | 2.00 |
| 4 Jan | 41.1 | 18.5 | 0.51 | 0.51 | 1.10 | 2.80 |
| 5 Jan | 41.2 | 18.5 | 0.67 | 0.67 | 1.30 | 3.30 |
| 6 Jan | 41.2 | 18.6 | 0.79 | 0.79 | 1.61 | 4.10 |
| 7 Jan | 41.3 | 18.6 | 0.91 | 0.91 | 1.89 | 4.80 |
| 8 Jan | 41.4 | 18.6 | 1.06 | 1.06 | 2.09 | 5.30 |
| 9 Jan | 41.4 | 18.7 | 1.18 | 1.18 | 2.40 | 6.10 |
| 10 Jan | 41.5 | 18.7 | 1.34 | 1.34 | 2.72 | 6.90 |
| 11 Jan | 41.6 | 18.7 | 1.50 | 1.50 | 2.99 | 7.60 |
| 12 Jan | 41.6 | 18.8 | 1.61 | 1.61 | 3.31 | 8.40 |
| 13 Jan | 41.7 | 18.8 | 1.77 | 1.77 | 3.50 | 8.90 |
| 14 Jan | 41.8 | 18.8 | 1.93 | 1.93 | 3.82 | 9.70 |
| 15 Jan | 41.8 | 18.9 | 2.05 | 2.05 | 4.21 | 10.70 |
| 16 Jan | 41.9 | 18.9 | 2.17 | 2.17 | 4.49 | 11.40 |
| 17 Jan | 42.0 | 18.9 | 2.28 | 2.28 | 4.80 | 12.20 |
| 18 Jan | 42.0 | 19.0 | 2.40 | 2.40 | 5.20 | 13.20 |
| 19 Jan | 42.1 | 19.0 | 2.56 | 2.56 | 5.51 | 14.00 |
| 20 Jan | 42.2 | 19.0 | 2.68 | 2.68 | 5.79 | 14.70 |
| 21 Jan | 42.2 | 19.0 | 2.80 | 2.80 | 6.18 | 15.70 |
| 22 Jan | 42.3 | 19.1 | 2.91 | 2.91 | 6.61 | 16.80 |
| 23 Jan | 42.4 | 19.1 | 3.03 | 3.03 | 7.01 | 17.80 |
| 24 Jan | 42.4 | 19.2 | 3.15 | 3.15 | 7.28 | 18.50 |
| 25 Jan | 42.5 | 19.2 | 3.27 | 3.27 | 7.72 | 19.60 |
| 26 Jan | 42.6 | 19.2 | 3.43 | 3.43 | 8.11 | 20.60 |
| 27 Jan | 42.6 | 19.3 | 3.54 | 3.54 | 8.50 | 21.60 |
| 28 Jan | 42.7 | 19.3 | 3.66 | 3.66 | 8.90 | 22.60 |
| 29 Jan | 42.8 | 19.4 | 3.82 | 3.82 | 9.29 | 23.60 |
| 30 Jan | 42.9 | 19.4 | 3.94 | 3.94 | 9.69 | 24.60 |
| 31 Jan | 43.0 | 19.4 | 4.06 | 4.06 | 10.12 | 25.70 |
Weather history Portola - May 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 May | - | - | 0.00 | 0.00 | 0.0 |
| 02 May | 68.0 | 30.9 | 0.00 | 0.00 | 0.0 |
| 03 May | 71.1 | 30.0 | 0.00 | 0.00 | 0.0 |
| 04 May | 72.0 | 30.9 | 0.00 | 0.00 | 0.0 |
| 05 May | 68.0 | 41.0 | 0.27 | 0.00 | 0.0 |
| 06 May | 69.1 | 43.0 | T | 0.00 | 0.0 |
| 07 May | 78.1 | 39.0 | 0.00 | 0.00 | 0.0 |
| 08 May | 72.0 | 35.1 | 0.00 | 0.00 | 0.0 |
| 09 May | 75.9 | 37.9 | 0.00 | 0.00 | 0.0 |
| 10 May | 82.0 | 37.0 | 0.00 | 0.00 | 0.0 |
| 11 May | 84.9 | 41.0 | 0.00 | 0.00 | 0.0 |
| 12 May | 84.0 | 41.0 | 0.00 | 0.00 | 0.0 |
| 13 May | 82.9 | 44.1 | 0.00 | 0.00 | 0.0 |
| 14 May | 79.0 | 37.0 | 0.00 | 0.00 | 0.0 |
| 15 May | 78.1 | 35.1 | 0.00 | 0.00 | 0.0 |
| 16 May | 75.9 | 39.0 | 0.00 | 0.00 | 0.0 |
| 17 May | 66.9 | 32.0 | 0.00 | 0.00 | 0.0 |
| 18 May | 66.9 | 32.0 | T | T | 0.0 |
| 19 May | 63.0 | 27.0 | 0.00 | 0.00 | 0.0 |
| 20 May | 70.0 | 33.1 | 0.00 | 0.00 | 0.0 |
| 21 May | 75.9 | 39.0 | 0.00 | 0.00 | 0.0 |
| 22 May | - | - | 0.00 | 0.00 | 0.0 |
| 23 May | 77.0 | 39.9 | 0.00 | 0.00 | 0.0 |
| 24 May | 79.0 | 55.9 | 0.00 | 0.00 | 0.0 |
| 25 May | 80.1 | 54.0 | 0.00 | 0.00 | 0.0 |
| 26 May | 82.9 | 48.0 | T | T | 0.0 |
| 27 May | 77.0 | 43.0 | 0.10 | - | - |
| 28 May | 54.0 | 32.0 | 0.04 | 0.00 | 0.0 |
| 29 May | 55.9 | 33.1 | 0.04 | T | 0.0 |
| 30 May | 55.0 | 37.9 | T | 0.00 | 0.0 |
| 31 May | 66.0 | 34.0 | 0.00 | 0.00 | 0.0 |
Past weather Portola
| May 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | - ºF | 42 ºF | |
| Average low temperature Av. low temp. | - ºF | 19 ºF | |
| Total precipitation Total precip. | 0.45 inch | 4.06 inch | |
| Total snowfall Total snowfall | 0.00 inch | 10 inch | |
| Highest max temperature Highest max temp. | 84.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 54.0 ºF | - | |
| Highest min temperature Highest min temp. | 55.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 27.0 ºF | - | |
Past weather May 2026 incomplete - Missing data
Geo Portola - California
| Country | United States | |
|---|---|---|
| State | California | |
| County | - | |
| City | Portola | |
| Zip Code | 96122 | |
| Longitude | -120.47 dec. degr. | |
| Latitude | 39.81 dec. degr. | |
| Altitude - Elevation | 4849ft | |
| ICAO | - | |
| IATA | - |
Date and Time Portola - California
| Local Time | 10:28 AM | |
|---|---|---|
| Sunrise | 05:37 AM | |
| Sunset | 08:35 PM | |
| Day/Night | Day | |
| Timezone | Pacific Daylight Time | |
| Timezone DB | America - Los Angeles |
Map of Portola - California
USGS National Map — Open interactive map
Portola weather averages
| Annual high temperature | 62ºF |
| Annual low temperature | 30ºF |
| Average annual precip. | 23.25 inch |
| Av. annual snowfall | 43 inch |
Station Data
Monthly averages Portola
Longitude: -120.47, Latitude: 39.81
Average weather Portola, CA - 96122
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, ...