Pasadena, California
Climate

Pasadena, California

Section Title: Climate
Table Section Text: None

Climate data for Pasadena, California (1989–2018; extremes since 1909)

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

Record high °F (°C)	93 (34)	92 (33)	98 (37)	105 (41)	104 (40)	113 (45)	113 (45)	107 (42)	111 (44)	108 (42)	101 (38)	93 (34)	113 (45)

Mean maximum °F (°C)	82.0 (27.8)	83.8 (28.8)	87.3 (30.7)	92.9 (33.8)	93.2 (34.0)	96.4 (35.8)	99.4 (37.4)	101.0 (38.3)	103.1 (39.5)	98.0 (36.7)	89.5 (31.9)	80.5 (26.9)	105.6 (40.9)

Average high °F (°C)	68.1 (20.1)	69.6 (20.9)	72.4 (22.4)	76.0 (24.4)	79.1 (26.2)	83.6 (28.7)	89.4 (31.9)	91.1 (32.8)	89.2 (31.8)	82.2 (27.9)	73.9 (23.3)	67.1 (19.5)	78.5 (25.8)

Daily mean °F (°C)	57.8 (14.3)	59.1 (15.1)	61.4 (16.3)	64.5 (18.1)	67.8 (19.9)	72.0 (22.2)	76.8 (24.9)	78.0 (25.6)	76.3 (24.6)	70.1 (21.2)	62.7 (17.1)	57.0 (13.9)	67.0 (19.4)

Average low °F (°C)	47.6 (8.7)	48.6 (9.2)	50.3 (10.2)	52.9 (11.6)	56.6 (13.7)	60.3 (15.7)	64.2 (17.9)	64.9 (18.3)	63.4 (17.4)	58.0 (14.4)	51.4 (10.8)	46.9 (8.3)	55.4 (13.0)

Mean minimum °F (°C)	37.9 (3.3)	38.6 (3.7)	40.4 (4.7)	43.6 (6.4)	48.7 (9.3)	52.4 (11.3)	57.1 (13.9)	58.0 (14.4)	55.3 (12.9)	49.9 (9.9)	42.6 (5.9)	37.2 (2.9)	35.0 (1.7)

Record low °F (°C)	21 (−6)	26 (−3)	29 (−2)	31 (−1)	32 (0)	41 (5)	45 (7)	43 (6)	41 (5)	36 (2)	26 (−3)	25 (−4)	21 (−6)

Average rainfall inches (mm)	4.54 (115)	5.12 (130)	3.38 (86)	1.37 (35)	0.40 (10)	0.22 (5.6)	0.05 (1.3)	0.11 (2.8)	0.41 (10)	1.01 (26)	1.50 (38)	3.13 (80)	21.24 (539.7)

Average rainy days (≥ 0.01 inch)	7.2	7.6	5.9	3.3	2.5	1.5	0.6	0.5	0.9	2.8	3.2	5.7	41.7

Source: NOAA

Sentence(s)

Pasadena averages 21.24 inches (539.5 mm) of rain in a year.
Pasadena averages 21.24 inches of rain a year.
Pasadena averages 21.24 inches of rain a year.

final_sentence: Pasadena averages 21.24 inches (539.5 mm) of rain in a year.
final_sentence: Pasadena averages 21.24 inches of rain a year.
final_sentence: Pasadena averages 21.24 inches of rain a year.