Houston, Texas
H
I S T O R I C A L
W
E A T H E R
D
A T A
Average Temperature
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
°F
67.9
50.4
53.9
60.6
68.3
74.5
80.4
82.6
82.3
78.2
69.6
61
53.5
°C
19
10
12
15
20
23
26
28
27
25
20
16
11
Years Charted: 30
Source:
National Weather Service, San Francisco
Results based on data collected from 1961 - 1990
Average High Temperature
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
°F
78.6
61
65.3
71.1
78.4
84.6
90.1
92.7
92.5
88.4
81.6
72.4
64.7
°C
25
16
18
21
25
29
32
33
33
31
27
22
18
Years Charted: 30
Source:
National Weather Service, San Francisco
Results based on data collected from 1961 - 1990
Average Low Temperature
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
°F
57.3
39.7
42.6
50
58.1
64.4
70.6
72.4
72
67.9
57.6
49.6
42.2
°C
14
4
5
10
14
18
21
22
22
19
14
9
5
Years Charted: 30
Source:
National Weather Service, San Francisco
Results based on data collected from 1961 - 1990
Highest Recorded Temperature
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
°F
107
84
91
91
95
97
103
104
107
102
96
89
83
°C
41
28
32
32
35
36
39
40
41
38
35
31
28
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Lowest Recorded Temperature
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
°F
7
12
20
22
31
44
52
62
60
48
29
19
7
°C
-13
-11
-6
-5
0
6
11
16
15
8
-1
-7
-13
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Mean Number of Days Below 32°F/0°C
Total
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
Days
20
7
4
1
---
0
0
0
0
0
---
2
5
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Average Precipitation
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
in.
46.07
3.29
2.96
2.92
3.21
5.24
4.96
3.6
3.49
4.89
4.27
3.79
3.45
mm
1170
83
75
74
81
133
125
91
88
124
108
96
87
Years Charted: 30
Source:
National Weather Service, San Francisco
Results based on data collected from 1961 - 1990
Average Snowfall
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
in.
0.4
0.2
0.2
0
0
0
0
0
0
0
0
0
0
mm
10
5
5
0
0
0
0
0
0
0
0
0
0
Years Charted: 59
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Average Wind Speed
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
mph
7.9
8.2
8.8
9.3
9.2
8.2
7.8
7
6.3
6.9
7
8
8
km/h
12
13
14
14
14
13
12
11
10
11
11
12
12
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Average Days of Precipitation
Total
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
Days
106
11
8
9
7
9
9
9
9
9
7
8
9
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Days With Sunshine
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
%
58
43
49
52
56
60
66
68
67
65
63
51
50
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Mean Number of Cloudy Days
Total
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
Days
160
19
15
17
16
14
10
8
8
10
11
14
18
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Mean Number of Partly Cloudy Days
Total
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
Days
114
5
6
7
7
11
13
16
17
12
9
7
5
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Mean Number of Clear Days
Total
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
Days
91
7
7
7
7
6
7
7
6
8
11
9
8
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Average Morning Relative Humidity
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
%
90
86
86
87
89
92
92
93
93
93
91
89
87
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
Average Afternoon Relative Humidity
Year
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
%
60
64
61
59
58
60
60
57
57
60
56
60
62
Years Charted: 24
Source:
National Weather Service, San Francisco
Results based on data collected through 1993
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