Climate of Houston
Seasonal observation

Climate of Houston

Section Title: Seasonal observation
Table Section Text: None

Climate data for Houston (Intercontinental Airport), 1981–2010 normals, extremes 1888–present

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year

Record high °F (°C)	84 (29)	91 (33)	96 (36)	95 (35)	99 (37)	107 (42)	105 (41)	109 (43)	109 (43)	99 (37)	89 (32)	85 (29)	109 (43)

Mean maximum °F (°C)	78.4 (25.8)	80.8 (27.1)	84.8 (29.3)	88.9 (31.6)	93.6 (34.2)	97.0 (36.1)	98.4 (36.9)	100.4 (38.0)	96.9 (36.1)	91.8 (33.2)	85.0 (29.4)	80.0 (26.7)	101.0 (38.3)

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)

Daily mean °F (°C)	53.1 (11.7)	56.4 (13.6)	62.7 (17.1)	69.5 (20.8)	76.9 (24.9)	82.4 (28.0)	84.4 (29.1)	84.6 (29.2)	79.8 (26.6)	71.5 (21.9)	62.3 (16.8)	54.4 (12.4)	69.9 (21.1)

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)

Mean minimum °F (°C)	26.7 (−2.9)	29.5 (−1.4)	34.0 (1.1)	42.0 (5.6)	53.3 (11.8)	65.2 (18.4)	69.4 (20.8)	68.6 (20.3)	55.7 (13.2)	43.4 (6.3)	34.5 (1.4)	27.5 (−2.5)	23.5 (−4.7)

Record low °F (°C)	5 (−15)	6 (−14)	21 (−6)	31 (−1)	42 (6)	52 (11)	62 (17)	54 (12)	45 (7)	29 (−2)	19 (−7)	7 (−14)	5 (−15)

Average precipitation inches (mm)	3.38 (86)	3.20 (81)	3.41 (87)	3.31 (84)	5.09 (129)	5.93 (151)	3.79 (96)	3.76 (96)	4.12 (105)	5.70 (145)	4.34 (110)	3.74 (95)	49.77 (1,264)

Average 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	104.0

Average relative humidity (%)	74.7	73.4	72.7	73.1	75.0	74.6	74.4	75.1	76.8	75.4	76.0	75.5	74.7

Mean monthly sunshine hours	143.4	155.0	192.5	209.8	249.2	281.3	293.9	270.5	236.5	228.8	168.3	148.7	2,577.9

Percent possible sunshine	44	50	52	54	59	67	68	66	64	64	53	47	58

Source: NOAA (relative humidity 1969–1990, sun 1961–1990)

Sentence(s)

Houston receives 49.77 inches (1,264 mm) of precipitation on 104.0 days annually.

final_sentence: Houston receives 49.77 inches (1,264 mm) of precipitation on 104.0 days annually.