Seasonal Observation
| Climate data for Houston (Intercontinental Airport), 1981–2010 normals, | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 87 (31) |
91 (33) |
96 (36) |
95 (35) |
99 (37) |
105 (41) |
105 (41) |
109 (43) |
109 (43) |
99 (37) |
89 (32) |
85 (29) |
109 (43) |
| Average high °F (°C) | 62.9 (17.2) |
66.3 (19.1) |
73.0 (22.8) |
79.6 (26.4) |
86.3 (30.2) |
91.4 (33.0) |
93.7 (34.3) |
94.5 (34.7) |
89.7 (32.1) |
82.0 (27.8) |
72.5 (22.5) |
64.3 (17.9) |
79.7 (26.5) |
| Average low °F (°C) | 43.2 (6.2) |
46.5 (8.1) |
52.5 (11.4) |
59.4 (15.2) |
67.6 (19.8) |
73.5 (23.1) |
75.1 (23.9) |
74.8 (23.8) |
69.8 (21.0) |
60.9 (16.1) |
52.1 (11.2) |
44.6 (7.0) |
60.0 (15.6) |
| Record low °F (°C) | 5 (−15) |
6 (−14) |
21 (−6) |
31 (−1) |
44 (7) |
52 (11) |
62 (17) |
54 (12) |
45 (7) |
29 (−2) |
19 (−7) |
7 (−14) |
5 (−15) |
| Precipitation inches (mm) | 3.38 (85.9) |
3.20 (81.3) |
3.41 (86.6) |
3.31 (84.1) |
5.09 (129.3) |
5.93 (150.6) |
3.79 (96.3) |
3.76 (95.5) |
4.12 (104.6) |
5.70 (144.8) |
4.34 (110.2) |
3.74 (95) |
49.76 (1,263.9) |
| Avg. precipitation days (≥ 0.01 in) | 9.6 | 9.2 | 8.8 | 6.8 | 8.0 | 10.6 | 9.1 | 8.3 | 8.0 | 7.9 | 8.2 | 9.5 | 104.1 |
| Percent possible sunshine | 45 | 50 | 54 | 58 | 62 | 68 | 70 | 68 | 66 | 64 | 52 | 51 | 59 |
| Source #1: NOAA, Average Percent Sunshine through 2009 | |||||||||||||
| Source #2: ThreadEx (records, 1889–last full calendar year) | |||||||||||||
Read more about this topic: Climate Of Houston
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“Laws and customs may be creative of vice; and should be therefore perpetually under process of observation and correction: but laws and customs cannot be creative of virtue: they may encourage and help to preserve it; but they cannot originate it.”
—Harriet Martineau (1802–1876)