Annual Weather Averages Near Walnut Creek
Averages are for Buchanan Field, which is 9 kilometers from Walnut Creek.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Walnut Creek
High Temp: 31 °C
Low Temp: 5 °C
Mean Temp: 16 °C
Precipitation: 34.6 mm
Humidity: 59%
Dew Point: 8 °C
Wind: 19 km/h
Pressure: 101.52 kPa
Visibility: 18 km
January Climate & Weather Averages in Walnut Creek
High Temp: 14 °C
Low Temp: 5 °C
Mean Temp: 10 °C
Precipitation: 80.7 mm
Humidity: 77%
Dew Point: 5 °C
Wind: 12 km/h
Pressure: 101.97 kPa
Visibility: 12 km
February Climate & Weather Averages in Walnut Creek
High Temp: 17 °C
Low Temp: 6 °C
Mean Temp: 11 °C
Precipitation: 81.9 mm
Humidity: 70%
Dew Point: 6 °C
Wind: 14 km/h
Pressure: 101.75 kPa
Visibility: 16 km
March Climate & Weather Averages in Walnut Creek
High Temp: 19 °C
Low Temp: 8 °C
Mean Temp: 13 °C
Precipitation: 55.6 mm
Humidity: 64%
Dew Point: 7 °C
Wind: 17 km/h
Pressure: 101.70 kPa
Visibility: 19 km
April Climate & Weather Averages in Walnut Creek
High Temp: 22 °C
Low Temp: 9 °C
Mean Temp: 15 °C
Precipitation: 28.0 mm
Humidity: 58%
Dew Point: 7 °C
Wind: 22 km/h
Pressure: 101.58 kPa
Visibility: 20 km
May Climate & Weather Averages in Walnut Creek
High Temp: 25 °C
Low Temp: 12 °C
Mean Temp: 18 °C
Precipitation: 14.1 mm
Humidity: 53%
Dew Point: 8 °C
Wind: 26 km/h
Pressure: 101.36 kPa
Visibility: 19 km
June Climate & Weather Averages in Walnut Creek
High Temp: 29 °C
Low Temp: 14 °C
Mean Temp: 21 °C
Precipitation: 4.1 mm
Humidity: 49%
Dew Point: 10 °C
Wind: 28 km/h
Pressure: 101.17 kPa
Visibility: 20 km
July Climate & Weather Averages in Walnut Creek
High Temp: 31 °C
Low Temp: 14 °C
Mean Temp: 23 °C
Precipitation: 0.1 mm
Humidity: 49%
Dew Point: 11 °C
Wind: 28 km/h
Pressure: 101.19 kPa
Visibility: 19 km
August Climate & Weather Averages in Walnut Creek
High Temp: 31 °C
Low Temp: 15 °C
Mean Temp: 23 °C
Precipitation: 0.7 mm
Humidity: 50%
Dew Point: 12 °C
Wind: 25 km/h
Pressure: 101.16 kPa
Visibility: 19 km
September Climate & Weather Averages in Walnut Creek
High Temp: 30 °C
Low Temp: 14 °C
Mean Temp: 22 °C
Precipitation: 1.7 mm
Humidity: 50%
Dew Point: 10 °C
Wind: 19 km/h
Pressure: 101.16 kPa
Visibility: 19 km
October Climate & Weather Averages in Walnut Creek
High Temp: 25 °C
Low Temp: 11 °C
Mean Temp: 18 °C
Precipitation: 22.7 mm
Humidity: 53%
Dew Point: 8 °C
Wind: 14 km/h
Pressure: 101.44 kPa
Visibility: 18 km
November Climate & Weather Averages in Walnut Creek
High Temp: 19 °C
Low Temp: 7 °C
Mean Temp: 13 °C
Precipitation: 42.5 mm
Humidity: 67%
Dew Point: 7 °C
Wind: 10 km/h
Pressure: 101.80 kPa
Visibility: 16 km
December Climate & Weather Averages in Walnut Creek
High Temp: 14 °C
Low Temp: 5 °C
Mean Temp: 9 °C
Precipitation: 83.4 mm
Humidity: 74%
Dew Point: 5 °C
Wind: 12 km/h
Pressure: 101.94 kPa
Visibility: 14 km