Napa County, CA Weather Data
Napa County, CA Current Weather Data
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Napa County, CA Historical Weather Trends
*Historical weather data collected from Elverta, CA
Napa County, CA
Napa County, CA area Highlights
Napa County, CA Chance of Sunshine
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
40.63%
7
6
19
February
53.57%
8
7
13
March
61.29%
10
9
12
April
73.33%
12
10
8
May
83.87%
17
9
5
June
93.33%
22
6
2
July
96.77%
27
3
1
August
96.77%
26
4
1
September
93.33%
24
4
2
October
80.65%
19
6
6
November
60.00%
10
8
12
December
45.16%
8
6
17
Napa County, CA Historical Temperature
Month
Average
Max Average
Min Average
January
46.25°
57°
35.45°
February
48.67°
60.37°
36.92°
March
51.33°
63.22°
39.4°
April
54.5°
68.12°
40.8°
May
59.17°
72.87°
45.46°
June
64.24°
78.03°
50.39°
July
65.15°
77.38°
52.88°
August
65.28°
78.22°
52.3°
September
65.3°
80.85°
49.7°
October
59.82°
73.87°
45.72°
November
51.78°
64.75°
38.77°
December
46.08°
55°
37.1°
Napa County, CA Rainfall and Snowfall Average
Month
Average Rainfall
Average Snowfall
January
3.04 Inches
0 Inches
February
2.97 Inches
0 Inches
March
3.14 Inches
0 Inches
April
1.06 Inches
0 Inches
May
0.51 Inches
0 Inches
June
0.43 Inches
0 Inches
July
0.01 Inches
0 Inches
August
0.01 Inches
0 Inches
September
0.05 Inches
0 Inches
October
1.88 Inches
0 Inches
November
1.93 Inches
0 Inches
December
3.15 Inches
0 Inches
Napa County, CA Energy Demand
January
18.62
0
18.62
February
16.16
0
16.16
March
13.42
0
13.42
April
10.4
0.12
10.52
May
6.1
0.47
6.57
June
2.21
1.63
3.84
July
0.91
1.7
2.61
August
1.05
1.93
2.98
September
1.57
2.1
3.67
October
5.35
0.43
5.78
November
13.56
0.06
13.62
December
19.03
0
19.03
