Atascadero Weather Information

Atascadero historical weather data by month.

Chance Of Sunshine

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Annual chance of sunshine: 77.74%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
64.52%
13
7
11
February
64.29%
12
6
10
March
67.74%
13
8
10
April
73.33%
13
9
8
May
77.42%
14
10
7
June
86.67%
15
11
4
July
93.55%
17
12
2
August
93.75%
17
13
2
September
86.67%
16
10
4
October
83.87%
17
9
5
November
73.33%
15
7
8
December
67.74%
14
7
10

Temperature

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Month
Average
Max Average
Min Average
January
47.3°
61.4°
33.1°
February
50.6°
64.5°
36.6°
March
53.4°
67.4°
39.3°
April
56.6°
73°
40.1°
May
62.3°
79.8°
44.8°
June
67.6°
86.5°
48.7°
July
71.6°
91.3°
51.8°
August
71.8°
92°
51.6°
September
68.2°
88°
48.4°
October
61.5°
80.7°
42.3°
November
51.9°
68.2°
35.6°
December
46.3°
61.7°
30.9°

Rainfall

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Month
Average Rainfall
January
6.98 Inches
February
6.88 Inches
March
5.97 Inches
April
1.83 Inches
May
0.56 Inches
June
0.1 Inches
July
0.03 Inches
August
0.1 Inches
September
0.49 Inches
October
1.57 Inches
November
3.17 Inches
December
4.49 Inches

Sum Of Heating & Cooling Degree Days

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Month
Heating Degree Days
Cooling Degree Days
January
550
0
February
404
0
March
364
3
April
265
12
May
135
52
June
36
114
July
12
215
August
4
214
September
40
136
October
148
39
November
394
0
December
580
0