LOCAL CLIMATOLOGICAL DATA
2025
Station Location: ThorntonWeather.com, Thornton, CO
Lat.039:54:58 Long.0104:55:49
Elevation: 5193 Above Sea Level
Temperature
(Fahrenheit)
Degree Days
Base 64 Degrees
  Snow
(in.)
Rain
(in.)
Pressure
(inHg)
Wind-
speed
(mph)
M
O
N
T
H
Max. Min. Avg. Dep.
From
Normal
Avg.
Dew
Point
Avg.
Wet
Bulb
Heating Cooling Sign.
Cond.
Sun
Hours
Snow-
fall
Water
Equiv.
Avg.
Sea
Level
Avg.
Speed
Max.
Speed
Avg.
Dir.
1
2
3
4
5
6
7
8
9
10
11
12
062.0
069.7
079.4
087.7
088.3
102.8
102.1
099.8
092.0
087.8
083.2
075.6
-6.0
-0.6
20.0
25.3
36.0
44.9
55.3
49.1
42.3
22.6
12.2
11.0
26.2
31.8
47.2
50.0
58.3
69.7
75.2
72.6
64.6
53.1
45.6
42.2
-4.2
+0.0
+5.0
+1.5
+1.4
+0.5
+1.3
+0.8
+0.3
+3.0
+5.8
+10.7
12.6
15.9
20.7
28.7
40.2
48.1
51.0
51.0
45.4
35.1
24.1
20.2
22.6
27.1
38.2
41.8
49.8
58.2
61.6
60.6
54.8
45.4
38.0
35.0
1206.0
0927.2
0549.7
0450.2
0223.4
0042.9
0000.0
0002.7
0070.9
0355.6
0566.2
0706.5
0000.0
0000.0
0000.0
0003.5
0016.6
0186.3
0318.4
0240.3
0059.5
0006.5
0000.0
0000.0
COLD
COLD
SNOW
SNOW
-----
HOT
HOT
HOT
HOT
-----
COLD
COLD
165.9
95.9
113.4
140.6
157.7
180.5
189.1
202.0
207.2
203.0
177.1
138.0
10.4
06.3
00.8
03.2
00.0
00.0
00.0
00.0
00.0
00.0
00.6
06.6
00.30
00.10
01.56
00.67
03.03
02.09
00.61
00.50
02.09
00.56
00.05
00.59
30.14
29.93
29.61
29.72
29.65
29.54
29.57
29.65
29.70
29.87
29.86
29.82
03.0
03.3
04.8
04.1
03.4
02.9
02.7
02.5
02.1
02.2
03.2
04.0
36.8
39.1
47.1
41.4
40.3
34.5
39.1
40.3
29.9
32.2
36.8
54.0
~323
~004
~339
~349
~353
~357
~001
~004
~005
~006
~358
~337
  85.9
102.8
26.0
-6.0
53.0 +2.3 32.7 44.6 0425.1 0069.2   Total
1970.4
Total
27.90
Total
12.15
-0.657
29.754 03.2
+0.2
21.2
54.1
337
Degree Days
Yearly Total
Heating: 5101.3
Cooling: 831.0
Max. Temp. >= 90 Was 51 Day(s)
Max. Temp. <= 32 Was 16 Day(s)
Min. Temp. <= 32 Was 123 Day(s)
Min. Temp. <= 0 Was 5 Day(s)
Gale: 0 Day(s)
Wind Run: 27797.0miles
Max. Pressure: 30.65 On Day 19
Min. Pressure: 28.81 On Day 14
Max. 24-hr Precip: 1.21 in On Day 23
Precipitation >=.01inch Was 79 Day(s)
Precipitation >=.10inch Was 34 Day(s)
Snowfall >=1.0inch Was 9 Day(s)
Max. Snowfall: 5.30 in