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You are at NWS Houston/Galveston »
SE TX Climate »
Houston Climate» Extremes, Normals and Annual Summaries
Houston Extremes, Normals and Annual Summaries
EXTREMES... |
Record High Temperature: |
109 set on September 4, 2000 |
Record Low Temperature: |
5 set on Jan 23, 1940 (Hobby Airport)
---Note: IAH record is 7 set on December 23, 1989--- |
Greatest one day rainfall: |
14.58 inches set on August 27, 1945 (Hobby Airport)
---Note: IAH record is 10.34 inches set on June 26, 1989--- |
NORMALS (based on the 30 year period 1971-2000)... |
|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
3.68 |
2.98 |
3.36 |
3.60 |
5.15 |
5.35 |
3.18 |
3.83 |
4.33 |
4.50 |
4.19 |
3.69 |
47.84 |
Mean Temp (°F) |
51.8 |
55.4 |
62.3 |
68.5 |
75.8 |
81.3 |
83.6 |
83.3 |
78.9 |
70.4 |
60.9 |
53.7 |
68.8 |
Avg High (°F) |
62.3 |
66.5 |
73.3 |
79.1 |
85.5 |
90.7 |
93.6 |
93.5 |
89.3 |
82.0 |
72.0 |
64.6 |
79.4 |
Avg Low (°F) |
41.2 |
44.3 |
51.3 |
57.9 |
66.1 |
71.8 |
73.5 |
73.0 |
68.4 |
58.8 |
49.8 |
42.8 |
58.2 |
ANNUAL SUMMARY... |
2008 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
4.62 |
4.00 |
2.41 |
1.46 |
4.57 |
2.06 |
1.09 |
7.45 |
- |
- |
- |
- |
27.66 |
Mean Temp (°F) |
52.2 |
60.1 |
63.6 |
69.4 |
77.8 |
84.5 |
84.9 |
84.0 |
- |
- |
- |
- |
72.1 |
Avg High (°F) |
62.0 |
72.1 |
75.0 |
80.4 |
87.1 |
95.1 |
95.6 |
92.6 |
- |
- |
- |
- |
82.5 |
Avg Low (°F) |
42.4 |
48.0 |
52.1 |
58.4 |
68.5 |
74.0 |
74.2 |
75.3 |
- |
- |
- |
- |
61.6 |
2007 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
5.72 |
1.15 |
6.40 |
3.86 |
9.88 |
3.07 |
9.94 |
8.05 |
3.05 |
6.85 |
5.49 |
2.06 |
65.52 |
Mean Temp (°F) |
50.5 |
55.1 |
65.9 |
66.7 |
76.5 |
82.4 |
82.2 |
85.4 |
81.9 |
73.0 |
63.7 |
57.6 |
70.1 |
Avg High (°F) |
58.4 |
66.1 |
76.0 |
76.9 |
85.3 |
90.9 |
89.7 |
94.4 |
91.5 |
84.4 |
73.9 |
69.4 |
79.7 |
Avg Low (°F) |
42.6 |
44.2 |
55.8 |
56.5 |
67.6 |
74.0 |
74.6 |
76.4 |
72.2 |
61.6 |
53.5 |
45.9 |
60.4 |
2006 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
2.50 |
1.46 |
2.36 |
2.93 |
8.78 |
7.84 |
7.85 |
3.40 |
3.22 |
14.53 |
0.92 |
2.07 |
57.86 |
Mean Temp (°F) |
58.9 |
55.5 |
65.6 |
73.6 |
76.7 |
81.3 |
83.3 |
84.9 |
79.4 |
72.4 |
62.7 |
55.7 |
70.8 |
Avg High (°F) |
70.2 |
66.4 |
75.2 |
83.8 |
86.6 |
91.2 |
91.2 |
94.1 |
89.8 |
82.8 |
74.6 |
65.2 |
80.9 |
Avg Low (°F) |
47.6 |
44.4 |
55.9 |
63.5 |
66.8 |
71.5 |
75.3 |
75.7 |
69.0 |
62.0 |
50.7 |
46.2 |
60.7 |
2005 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
3.41 |
6.10 |
4.05 |
1.28 |
6.06 |
0.08 |
5.30 |
1.52 |
2.63 |
1.69 |
2.72 |
6.37 |
41.21 |
Mean Temp (°F) |
56.3 |
58.8 |
61.7 |
67.7 |
75.3 |
83.2 |
84.4 |
84.6 |
83.4 |
71.1 |
64.4 |
53.1 |
70.3 |
Avg High (°F) |
65.2 |
66.2 |
72.0 |
78.3 |
85.9 |
93.4 |
93.7 |
94.1 |
93.2 |
83.3 |
75.4 |
64.0 |
80.4 |
Avg Low (°F) |
47.3 |
51.3 |
51.4 |
57.1 |
64.7 |
73.0 |
75.2 |
75.1 |
78.9 |
67.3 |
53.5 |
42.1 |
61.4 |
2004 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
6.01 |
5.58 |
2.23 |
5.56 |
7.33 |
18.33 |
0.79 |
2.49 |
1.01 |
2.05 |
11.73 |
1.95 |
65.06 |
Mean Temp (°F) |
54.7 |
53.6 |
67.3 |
69.5 |
76.9 |
81.4 |
84.6 |
83.1 |
81.2 |
77.5 |
62.0 |
53.8 |
70.5 |
Avg High (°F) |
62.9 |
62.0 |
76.4 |
78.8 |
85.8 |
88.6 |
93.6 |
93.3 |
91.4 |
86.5 |
70.8 |
64.2 |
79.5 |
Avg Low (°F) |
46.5 |
45.2 |
58.2 |
60.2 |
68.1 |
73.6 |
75.6 |
72.9 |
71.0 |
68.5 |
53.1 |
43.4 |
61.4 |
2003 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
2.09 |
4.08 |
2.04 |
1.46 |
0.06 |
3.62 |
5.36 |
4.47 |
6.79 |
4.99 |
7.81 |
2.99 |
45.76 |
Mean Temp (°F) |
50.1 |
53.8 |
61.4 |
70.5 |
80.7 |
82.7 |
83.3 |
84.7 |
77.7 |
71.7 |
65.0 |
53.8 |
69.6 |
Avg High (°F) |
59.2 |
61.6 |
71.0 |
79.5 |
90.2 |
92.1 |
91.4 |
93.8 |
86.3 |
82.1 |
75.1 |
65.3 |
79.0 |
Avg Low (°F) |
40.9 |
46.0 |
51.8 |
61.5 |
71.3 |
73.3 |
75.3 |
75.6 |
69.0 |
61.3 |
54.8 |
42.3 |
60.3 |
2002 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
1.24 |
0.88 |
2.36 |
3.79 |
1.78 |
4.54 |
7.10 |
5.47 |
8.02 |
14.65 |
4.20 |
5.65 |
59.68 |
Mean Temp (°F) |
54.5 |
50.7 |
61.3 |
73.5 |
77.0 |
81.6 |
84.5 |
83.9 |
79.7 |
71.5 |
58.8 |
54.5 |
69.3 |
Avg High (°F) |
66.0 |
63.0 |
71.8 |
81.8 |
85.4 |
90.1 |
93.1 |
92.7 |
88.1 |
78.3 |
68.6 |
63.9 |
78.6 |
Avg Low (°F) |
43.1 |
38.4 |
50.7 |
65.2 |
68.6 |
73.2 |
75.8 |
75.0 |
71.2 |
64.8 |
48.8 |
45.2 |
60.0 |
2001 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
4.25 |
0.82 |
7.97 |
2.00 |
3.53 |
19.21 |
2.05 |
4.83 |
8.82 |
8.95 |
2.58 |
6.17 |
71.18 |
Mean Temp (°F) |
49.3 |
59.3 |
56.4 |
71.7 |
75.9 |
80.5 |
83.6 |
83.5 |
77.0 |
67.0 |
63.4 |
56.0 |
68.6 |
Avg High (°F) |
59.0 |
68.7 |
67.2 |
81.1 |
86.6 |
90.0 |
93.4 |
93.4 |
86.6 |
78.5 |
74.8 |
65.8 |
78.8 |
Avg Low (°F) |
39.6 |
49.8 |
45.6 |
62.3 |
65.2 |
70.9 |
73.7 |
73.6 |
67.4 |
55.4 |
52.0 |
46.1 |
58.5 |
2000 Data |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
Rain Totals (in) |
1.25 |
2.32 |
1.35 |
5.52 |
12.35 |
3.29 |
0.64 |
2.11 |
4.34 |
3.27 |
8.50 |
2.67 |
47.61 |
Mean Temp (°F) |
56.4 |
61.9 |
66.4 |
67.9 |
78.1 |
81.4 |
85.2 |
84.8 |
79.4 |
70.9 |
57.6 |
47.6 |
69.8 |
Avg High (°F) |
67.2 |
73.6 |
77.9 |
79.4 |
87.0 |
90.4 |
97.7 |
97.4 |
92.1 |
80.9 |
67.2 |
57.4 |
80.7 |
Avg Low (°F) |
45.6 |
50.1 |
54.8 |
56.3 |
69.2 |
72.3 |
72.7 |
72.2 |
66.6 |
60.9 |
48.0 |
37.7 |
58.9 |
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