Ione Weather Information

Ione historical weather data by month.

Chance Of Sunshine

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Annual chance of sunshine: 73.23%
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

Temperature

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Month
Average
Max Average
Min Average
January
45.8°
53.8°
37.8°
February
50.3°
59.6°
41°
March
53.5°
63.6°
43.3°
April
58.2°
70.6°
45.8°
May
65.2°
79.6°
50.8°
June
72.6°
88.7°
56.5°
July
78°
94.7°
61.2°
August
77.3°
93.6°
60.9°
September
73.3°
88.4°
58.2°
October
65.2°
78.1°
52.3°
November
53.7°
63.2°
44.2°
December
46.2°
54.3°
38°

Rainfall

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Month
Average Rainfall
January
4.19 Inches
February
3.87 Inches
March
3.98 Inches
April
1.77 Inches
May
0.97 Inches
June
0.27 Inches
July
0.1 Inches
August
0.1 Inches
September
0.52 Inches
October
1.34 Inches
November
2.87 Inches
December
3.01 Inches

Sum Of Heating & Cooling Degree Days

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Month
Heating Degree Days
Cooling Degree Days
January
595
0
February
412
0
March
363
5
April
227
22
May
107
114
June
14
242
July
0
402
August
0
378
September
8
256
October
102
108
November
346
7
December
584
0