Grangeville Weather Information
Grangeville historical weather data by month.
Chance Of Sunshine
ANNUAL CHANCE OF SUNSHINE 46.2%
Annual chance of sunshine: 46.2%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
22.58%
3
4
24
February
27.59%
3
5
21
March
32.26%
4
6
21
April
36.67%
5
6
19
May
48.39%
6
9
16
June
56.67%
8
9
13
July
80.65%
18
7
6
August
77.42%
16
8
7
September
68.97%
13
7
9
October
51.61%
9
7
15
November
29.03%
3
6
22
December
22.58%
3
4
24
Temperature
JULY HIGH 81.6° - JANUARY LOW 24.3°
Month
Average
Max Average
Min Average
January
31.2°
38.1°
24.3°
February
35.3°
44°
26.6°
March
40.3°
50.4°
30.2°
April
46.3°
57.7°
34.8°
May
53.3°
64.9°
41.6°
June
60.1°
72.3°
47.9°
July
66.9°
81.6°
52.2°
August
67.3°
82.9°
51.7°
September
58.3°
72.8°
43.7°
October
48.1°
59.9°
36.2°
November
37.7°
45.2°
30.1°
December
31.1°
37.9°
24.2°
Rainfall
Average Annual Rainfall 23.94 inches
Month
Average Rainfall
January
1.45 Inches
February
1.3 Inches
March
2.37 Inches
April
2.82 Inches
May
3.63 Inches
June
2.84 Inches
July
1.66 Inches
August
1.16 Inches
September
1.62 Inches
October
1.78 Inches
November
1.81 Inches
December
1.5 Inches
Sum Of Heating & Cooling Degree Days
Potential Demand For Energy
Month
Heating Degree Days
Cooling Degree Days
January
1049
0
February
832
0
March
766
0
April
562
0
May
366
2
June
176
29
July
65
124
August
61
132
September
233
31
October
525
0
November
821
0
December
1052
0