CLIMATE CHARTS

Petaluma Airport, California

Latitude: 38.2578 Longitude: -122.6078

Elevation: 20 feet (6.1 meters)

Petaluma Airport, California Temperature Chart Daily average maximum and minimum temperatures for Petaluma Airport, California Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High & Low Temperature °F  °C -30 -34.4 -20 -28.9 -10 -23.3 0 -17.8 10 -12.2 20 -6.7 30 -1.1 40 4.4 50 10.0 60 15.6 70 21.1 80 26.7 90 32.2 100 37.8 110 43.3 Petaluma Airport, California Precipitation Chart Precipitation chart for Petaluma Airport, California Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation In. Cm. 0.00 0.00 0.10 0.25 0.20 0.51 0.30 0.76 0.40 1.02 0.50 1.27 0.60 1.52 0.70 1.78 0.80 2.03 0.90 2.29 1.00 2.54 Daylight Chart for PETALUMA AIRPORT, CA Daylight chart for PETALUMA AIRPORT, CA. Latitude 38.3. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sunrise/Sunset Daylight NOON NOON 0 0 2 2 4 4 6 6 8 8 10 10 12 12 14 2 16 4 18 6 20 8 22 10 24 12

Monthly Data Table for Petaluma Airport, California

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 56.9 61.6 65.1 68.7 72.9 78.6 81.9 81.9 81.7 75.8 65.1 57.0
Minimum Temperature °F 39.2 40.9 42.3 43.8 47.3 50.6 52.3 52.6 51.2 47.6 42.2 38.5
Heating Degree Days °F 525 385 351 266 169 63 19 16 30 125 341 535
Cooling Degree Days °F 0 0 1 4 17 51 84 86 74 22 1 0
Precipitation in. 4.93 5.32 3.79 1.63 0.87 0.17 0.01 0.06 0.21 1.43 3.29 4.94

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 13.8 16.4 18.4 20.4 22.7 25.9 27.7 27.7 27.6 24.3 18.4 13.9
Minimum Temperature °C 4.0 4.9 5.7 6.6 8.5 10.3 11.3 11.4 10.7 8.7 5.7 3.6
Heating Degree Days °C 292 214 195 148 94 35 11 9 17 69 189 297
Cooling Degree Days °C 0 0 1 2 9 28 47 48 41 12 1 0
Precipitation cm. 12.52 13.51 9.63 4.14 2.21 0.43 0.03 0.15 0.53 3.63 8.36 12.55
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