Tri-Cities, Washington
Climate and geography

Tri-Cities, Washington

Section Title: Climate and geography
Table Section Text: None

Climate data for Tri-Cities, Washington (combined averages and extremes)

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

Record high °F (°C)	74 (23)	74 (23)	87 (31)	95 (35)	105 (41)	111 (44)	115 (46)	115 (46)	106 (41)	89 (32)	79 (26)	71 (22)	115 (46)

Mean maximum °F (°C)	58.3 (14.6)	62.6 (17.0)	72.7 (22.6)	83.4 (28.6)	93.0 (33.9)	99.7 (37.6)	105.7 (40.9)	102.7 (39.3)	93.8 (34.3)	80.8 (27.1)	68.3 (20.2)	59.6 (15.3)	106.4 (41.3)

Average high °F (°C)	41.1 (5.1)	48.8 (9.3)	58.5 (14.7)	66.5 (19.2)	75.2 (24.0)	82.4 (28.0)	91.0 (32.8)	89.7 (32.1)	80.3 (26.8)	66.4 (19.1)	50.5 (10.3)	41.2 (5.1)	66.1 (18.9)

Average low °F (°C)	27.7 (−2.4)	30.2 (−1.0)	35.1 (1.7)	40.0 (4.4)	47.8 (8.8)	54.4 (12.4)	59.4 (15.2)	58.4 (14.7)	49.9 (9.9)	40.6 (4.8)	33.6 (0.9)	28.1 (−2.2)	42.2 (5.7)

Mean minimum °F (°C)	8.5 (−13.1)	14.4 (−9.8)	21.5 (−5.8)	25.7 (−3.5)	32.2 (0.1)	41.8 (5.4)	47.0 (8.3)	45.5 (7.5)	35.2 (1.8)	24.0 (−4.4)	16.6 (−8.6)	9.3 (−12.6)	3.4 (−15.9)

Record low °F (°C)	−27 (−33)	−23 (−31)	10 (−12)	18 (−8)	26 (−3)	35 (2)	38 (3)	37 (3)	21 (−6)	9 (−13)	−12 (−24)	−22 (−30)	−27 (−33)

Average precipitation inches (mm)	1.00 (25)	0.66 (17)	0.63 (16)	0.48 (12)	0.63 (16)	0.57 (14)	0.17 (4.3)	0.22 (5.6)	0.31 (7.9)	0.56 (14)	0.90 (23)	1.08 (27)	7.24 (184)

Average snowfall inches (cm)	3.2 (8.1)	1.6 (4.1)	0.2 (0.51)	trace	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	trace	1.5 (3.8)	2.2 (5.6)	8.5 (22)

Source #1: WRCC

Source #2: NOAA

Sentence(s)

Temperature reached 115 °F (46 °C) in July.

final_sentence: Temperature reached 115 °F (46 °C) in July.