Raleigh, NC: Clear/Cloudy Skies, and Daylight Hours
Average Number of Clear Days
Raleigh, NC
U.S. Avg.
Difference
January
14
17
-3
February
13
16
-3
March
14
17
-3
April
14
17
-3
May
14
18
-4
June
15
19
-4
July
14
20
-6
August
15
20
-5
September
16
19
-3
October
17
19
-2
November
16
18
-2
December
15
17
-2
Average Number of Cloudy Days
Raleigh, NC
U.S. Avg.
Difference
January
17
14
+3
February
15
12
+3
March
17
14
+3
April
16
13
+3
May
17
13
+4
June
15
11
+4
July
17
11
+6
August
16
11
+5
September
14
11
+3
October
14
12
+2
November
14
12
+2
December
16
14
+2
Average Daylight Hours per Day
Raleigh, NC
U.S. Avg.
Difference
January
10
10
No difference
February
11
11
No difference
March
12
12
No difference
April
13
13
No difference
May
14
14
No difference
June
15
15
No difference
July
14
15
-1
August
14
14
No difference
September
12
13
-1
October
11
12
-1
November
11
10
+1
December
10
10
No difference
Raleigh, NC: Rainy Days, Snow Days, and Humidity
Average Number of Rainy Days
Raleigh, NC
U.S. Avg.
Difference
January
10
9
+1
February
8
8
No difference
March
10
9
+1
April
8
7
+1
May
10
7
+3
June
10
7
+3
July
10
7
+3
August
10
6
+4
September
10
7
+3
October
9
7
+2
November
10
8
+2
December
8
8
No difference
Average Number of Snow Days
Raleigh, NC
U.S. Avg.
Difference
January
1
2
-1
February
1
2
-1
March
0
1
-1
April
0
0
No difference
May
0
0
No difference
June
0
0
No difference
July
0
0
No difference
August
0
0
No difference
September
0
0
No difference
October
0
0
No difference
November
0
1
-1
December
0
2
-2
Average Humidity (%)
Raleigh, NC
U.S. Avg.
Difference
January
69
68
+1%
February
65
66
-1%
March
63
63
No difference
April
61
59
+2%
May
68
61
+7%
June
71
60
+11%
July
75
61
+14%
August
75
62
+13%
September
75
63
+12%
October
72
63
+9%
November
69
65
+4%
December
70
68
+2%
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