| Climate data for Houston |
| Month |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
| Average high deg F (deg C) |
63.3
(17.39) |
67.1
(19.5) |
73.6
(23.11) |
79.4
(26.33) |
85.9
(29.94) |
91.0
(32.78) |
93.6
(34.22) |
93.4
(34.11) |
89.3
(31.83) |
82.0
(27.78) |
72.5
(22.5) |
65.4
(18.56) |
79.7
(26.5) |
| Average low deg F (deg C) |
45.2
(7.33) |
48.2
(9) |
54.8
(12.67) |
60.6
(15.89) |
68.1
(20.06) |
73.5
(23.06) |
75.3
(24.06) |
75.3
(24.06) |
71.6
(22) |
62.3
(16.83) |
53.4
(11.89) |
46.7
(8.17) |
61.3
(16.28) |
| Precipitation inches (mm) |
4.25
(108) |
3.01
(76.5) |
3.19
(81) |
3.46
(87.9) |
5.11
(129.8) |
6.84
(173.7) |
4.36
(110.7) |
4.54
(115.3) |
5.62
(142.7) |
5.26
(133.6) |
4.54
(115.3) |
3.78
(96) |
53.96
(1,370.6) |
| Avg. precipitation days (less than or equal to 0.01 in) |
10.0 |
7.9 |
7.6 |
6.8 |
7.6 |
8.6 |
8.5 |
9.5 |
9.0 |
6.7 |
8.2 |
8.7 |
99.1 |
| Sunshine hours |
142.6 |
155.4 |
192.2 |
210.0 |
248.0 |
282.0 |
294.5 |
269.7 |
237.0 |
229.4 |
168.0 |
148.8 |
2,577.6 |
| Source #1: NOAA |
| Source #2: HKO |