Thornton, CO: Clear/Cloudy Skies, and Daylight Hours
Average Number of Clear Days
Thornton, CO
U.S. Avg.
Difference
January
22
17
+5
February
21
16
+5
March
22
17
+5
April
22
17
+5
May
22
18
+4
June
23
19
+4
July
24
20
+4
August
24
20
+4
September
24
19
+5
October
24
19
+5
November
23
18
+5
December
23
17
+6
Average Number of Cloudy Days
Thornton, CO
U.S. Avg.
Difference
January
9
14
-5
February
7
12
-5
March
9
14
-5
April
8
13
-5
May
9
13
-4
June
7
11
-4
July
7
11
-4
August
7
11
-4
September
6
11
-5
October
7
12
-5
November
7
12
-5
December
8
14
-6
Average Daylight Hours per Day
Thornton, CO
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
15
15
No difference
August
14
14
No difference
September
13
13
No difference
October
12
12
No difference
November
10
10
No difference
December
10
10
No difference
Thornton, CO: Rainy Days, Snow Days, and Humidity
Average Number of Rainy Days
Thornton, CO
U.S. Avg.
Difference
January
3
9
-6
February
5
8
-3
March
9
9
No difference
April
10
7
+3
May
8
7
+1
June
10
7
+3
July
10
7
+3
August
10
6
+4
September
6
7
-1
October
5
7
-2
November
5
8
-3
December
3
8
-5
Average Number of Snow Days
Thornton, CO
U.S. Avg.
Difference
January
3
2
+1
February
3
2
+1
March
5
1
+4
April
2
0
+2
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
1
0
+1
November
3
1
+2
December
3
2
+1
Average Humidity (%)
Thornton, CO
U.S. Avg.
Difference
January
62
68
-6%
February
59
66
-7%
March
56
63
-7%
April
52
59
-7%
May
49
61
-12%
June
45
60
-15%
July
43
61
-18%
August
44
62
-18%
September
48
63
-15%
October
54
63
-9%
November
58
65
-7%
December
61
68
-7%
The assessments presented on this website, including those related to crime, safety, cost of living, and other location characteristics (e.g., states, cities, towns, villages, neighborhoods, areas, landmarks), are based on various sources and our internal research methods. These assessments are not guaranteed to be accurate or complete and should not be used as the sole basis for making any decisions.