Climate Walnut Creek - California
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 56 | 57 | 60 | 64 | 71 | 78 |
| Average low in ºF Av. low Lo | 40 | 40 | 42 | 44 | 49 | 54 |
| Av. precipitation in inch Av. precip. Pre. | 4.77 | 4.62 | 3.52 | 1.63 | 1.06 | 0.19 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 85 | 85 | 82 | 74 | 62 | 55 |
| Average low in ºF Av. low Lo | 60 | 60 | 58 | 52 | 44 | 40 |
| Av. precipitation in inch Av. precip. Pre. | 0.01 | 0.04 | 0.28 | 1.42 | 3.11 | 4.39 |
What is the average weather in Walnut Creek, California?
Walnut Creek experiences a hot-summer climate with dry summers and wetter winters. Summers are warm, while winters are cool, bringing moderate precipitation primarily as rain. This creates a strong seasonal contrast in both temperature and rainfall patterns.
Walnut Creek Climate Graph - California Climate Chart
Daily normals Walnut Creek - California - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 55.2 | 39.8 | 0.16 | 0.16 | 0.00 | 0.00 |
| 2 Jan | 55.2 | 39.9 | 0.28 | 0.28 | 0.00 | 0.00 |
| 3 Jan | 55.3 | 39.9 | 0.43 | 0.43 | 0.00 | 0.00 |
| 4 Jan | 55.3 | 40.0 | 0.55 | 0.55 | 0.00 | 0.00 |
| 5 Jan | 55.4 | 40.0 | 0.71 | 0.71 | 0.00 | 0.00 |
| 6 Jan | 55.4 | 40.0 | 0.87 | 0.87 | 0.12 | 0.30 |
| 7 Jan | 55.4 | 40.0 | 0.98 | 0.98 | 0.12 | 0.30 |
| 8 Jan | 55.4 | 40.1 | 1.14 | 1.14 | 0.12 | 0.30 |
| 9 Jan | 55.5 | 40.1 | 1.30 | 1.30 | 0.12 | 0.30 |
| 10 Jan | 55.5 | 40.1 | 1.46 | 1.46 | 0.12 | 0.30 |
| 11 Jan | 55.5 | 40.1 | 1.61 | 1.61 | 0.12 | 0.30 |
| 12 Jan | 55.5 | 40.1 | 1.77 | 1.77 | 0.12 | 0.30 |
| 13 Jan | 55.5 | 40.1 | 1.97 | 1.97 | 0.12 | 0.30 |
| 14 Jan | 55.5 | 40.1 | 2.13 | 2.13 | 0.20 | 0.50 |
| 15 Jan | 55.6 | 40.1 | 2.28 | 2.28 | 0.20 | 0.50 |
| 16 Jan | 55.6 | 40.1 | 2.44 | 2.44 | 0.20 | 0.50 |
| 17 Jan | 55.6 | 40.1 | 2.60 | 2.60 | 0.20 | 0.50 |
| 18 Jan | 55.6 | 40.1 | 2.76 | 2.76 | 0.20 | 0.50 |
| 19 Jan | 55.6 | 40.1 | 2.87 | 2.87 | 0.20 | 0.50 |
| 20 Jan | 55.6 | 40.0 | 3.03 | 3.03 | 0.20 | 0.50 |
| 21 Jan | 55.6 | 40.0 | 3.19 | 3.19 | 0.20 | 0.50 |
| 22 Jan | 55.6 | 40.0 | 3.35 | 3.35 | 0.20 | 0.50 |
| 23 Jan | 55.6 | 40.0 | 3.50 | 3.50 | 0.20 | 0.50 |
| 24 Jan | 55.6 | 40.0 | 3.66 | 3.66 | 0.20 | 0.50 |
| 25 Jan | 55.6 | 39.9 | 3.82 | 3.82 | 0.20 | 0.50 |
| 26 Jan | 55.6 | 39.9 | 3.98 | 3.98 | 0.20 | 0.50 |
| 27 Jan | 55.6 | 39.9 | 4.13 | 4.13 | 0.20 | 0.50 |
| 28 Jan | 55.6 | 39.9 | 4.29 | 4.29 | 0.31 | 0.80 |
| 29 Jan | 55.6 | 39.8 | 4.45 | 4.45 | 0.31 | 0.80 |
| 30 Jan | 55.6 | 39.8 | 4.61 | 4.61 | 0.31 | 0.80 |
| 31 Jan | 55.6 | 39.8 | 4.76 | 4.76 | 0.31 | 0.80 |
Weather history Walnut Creek - May 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 May | 72.0 | 61.0 | 0.00 | 0.00 | 0.0 |
| 02 May | 72.0 | 48.0 | 0.00 | 0.00 | 0.0 |
| 03 May | 59.0 | 45.0 | 0.00 | 0.00 | 0.0 |
| 04 May | 54.0 | 45.0 | 0.00 | 0.00 | 0.0 |
| 05 May | 55.0 | 45.0 | 0.00 | 0.00 | 0.0 |
| 06 May | 52.0 | 46.0 | 0.00 | 0.00 | 0.0 |
| 07 May | 68.0 | 50.0 | 0.00 | 0.00 | 0.0 |
| 08 May | 75.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 09 May | 80.1 | 51.1 | 0.00 | 0.00 | 0.0 |
| 10 May | 80.1 | 51.1 | 0.00 | 0.00 | 0.0 |
| 11 May | 89.1 | 50.0 | 0.00 | 0.00 | 0.0 |
| 12 May | 84.9 | 57.0 | 0.00 | 0.00 | 0.0 |
| 13 May | 70.0 | 48.0 | 0.00 | 0.00 | 0.0 |
| 14 May | 77.0 | 50.0 | 0.00 | 0.00 | 0.0 |
| 15 May | 77.0 | 53.1 | 0.00 | 0.00 | 0.0 |
| 16 May | 72.0 | 51.1 | 0.00 | 0.00 | 0.0 |
| 17 May | 66.0 | 45.0 | 0.00 | 0.00 | 0.0 |
| 18 May | 73.9 | 50.0 | 0.00 | 0.00 | 0.0 |
| 19 May | 80.1 | 55.0 | 0.00 | 0.00 | 0.0 |
| 20 May | 82.0 | 64.9 | 0.00 | 0.00 | 0.0 |
| 21 May | 84.0 | 66.9 | 0.00 | 0.00 | 0.0 |
| 22 May | 77.0 | 57.0 | 0.00 | 0.00 | 0.0 |
| 23 May | 71.1 | 54.0 | 0.00 | 0.00 | 0.0 |
| 24 May | 68.0 | 46.9 | 0.00 | 0.00 | 0.0 |
| 25 May | 57.9 | 46.0 | 0.00 | 0.00 | 0.0 |
| 26 May | 59.0 | 45.0 | 0.01 | 0.00 | 0.0 |
| 27 May | 62.1 | 44.1 | 0.32 | 0.00 | 0.0 |
| 28 May | 60.1 | 45.0 | 0.26 | 0.00 | 0.0 |
| 29 May | 59.0 | 46.0 | 0.00 | 0.00 | 0.0 |
| 30 May | 70.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 31 May | 79.0 | 57.0 | 0.00 | 0.00 | 0.0 |
Past weather Walnut Creek
| May 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 70.5 ºF | 56 ºF | |
| Average low temperature Av. low temp. | 50.7 ºF | 40 ºF | |
| Total precipitation Total precip. | 0.59 inch | 4.77 inch | |
| Total snowfall Total snowfall | 0.00 inch | 0 inch | |
| Highest max temperature Highest max temp. | 89.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 52.0 ºF | - | |
| Highest min temperature Highest min temp. | 66.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 44.1 ºF | - | |
Past weather May 2026 incomplete - Missing data
Geo Walnut Creek - California
| Country | United States | |
|---|---|---|
| State | California | |
| County | - | |
| City | Walnut Creek | |
| Zip Code | 94595 | |
| Longitude | -122.07 dec. degr. | |
| Latitude | 37.91 dec. degr. | |
| Altitude - Elevation | 151ft | |
| ICAO | - | |
| IATA | - |
Date and Time Walnut Creek - California
| Local Time | 11:31 AM | |
|---|---|---|
| Sunrise | 05:49 AM | |
| Sunset | 08:35 PM | |
| Day/Night | Day | |
| Timezone | Pacific Daylight Time | |
| Timezone DB | America - Los Angeles |
Map of Walnut Creek - California
USGS National Map — Open interactive map
Walnut Creek weather averages
| Annual high temperature | 69ºF |
| Annual low temperature | 49ºF |
| Average annual precip. | 25.04 inch |
Station Data
Monthly averages Walnut Creek
Longitude: -122.065, Latitude: 37.9101
Average weather Walnut Creek, CA - 94595
Monthly: 1991-2020 normals
History: 2008-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...