Grand Terrace Weather Information
Grand Terrace historical weather data by month.
Chance Of Sunshine
ANNUAL CHANCE OF SUNSHINE 75.72%
Annual chance of sunshine: 75.72%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
64.52%
12
8
11
February
60.71%
10
7
11
March
64.52%
11
9
11
April
73.33%
12
10
8
May
74.19%
10
13
8
June
80.00%
12
12
6
July
93.55%
18
11
2
August
93.55%
19
10
2
September
86.67%
15
11
4
October
77.42%
13
11
7
November
72.41%
13
8
8
December
67.74%
13
8
10
Temperature
JULY HIGH 93.5° - JANUARY LOW 42°
Month
Average
Max Average
Min Average
January
54.2°
66.4°
42°
February
55.9°
68.2°
43.6°
March
57.5°
69.6°
45.4°
April
61.8°
75.5°
48.1°
May
66.3°
79.6°
52.9°
June
72.1°
87.3°
56.9°
July
77.4°
93.5°
61.2°
August
78.2°
94.4°
62°
September
75.1°
90.6°
59.6°
October
68°
82.9°
53°
November
59.5°
73.9°
45°
December
54.5°
67.9°
41.1°
Rainfall
Average Annual Rainfall 10.67 inches
Month
Average Rainfall
January
2.47 Inches
February
2.39 Inches
March
2.19 Inches
April
0.6 Inches
May
0.25 Inches
June
0.1 Inches
July
0.03 Inches
August
0.17 Inches
September
0.26 Inches
October
0.26 Inches
November
0.78 Inches
December
1.17 Inches
Sum Of Heating & Cooling Degree Days
Potential Demand For Energy
Month
Heating Degree Days
Cooling Degree Days
January
339
3
February
261
6
March
252
20
April
148
53
May
81
120
June
18
230
July
0
383
August
0
409
September
6
308
October
46
137
November
191
23
December
332
5