Porto Alegre
Climate

Porto Alegre

Section Title: Climate
Table Section Text: None

Climate data for Porto Alegre (1981–2010, extremes 1949–present)

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

Record high °C (°F)	39.2 (102.6)	39.0 (102.2)	38.1 (100.6)	36.0 (96.8)	32.7 (90.9)	31.6 (88.9)	32.2 (90.0)	34.9 (94.8)	38.0 (100.4)	38.2 (100.8)	39.0 (102.2)	39.5 (103.1)	39.5 (103.1)

Average high °C (°F)	30.5 (86.9)	30.2 (86.4)	29.1 (84.4)	25.9 (78.6)	22.2 (72.0)	19.8 (67.6)	19.3 (66.7)	21.3 (70.3)	22.1 (71.8)	25.0 (77.0)	27.4 (81.3)	29.5 (85.1)	25.2 (77.4)

Daily mean °C (°F)	24.7 (76.5)	24.5 (76.1)	23.5 (74.3)	20.3 (68.5)	16.9 (62.4)	14.4 (57.9)	13.8 (56.8)	15.3 (59.5)	16.7 (62.1)	19.4 (66.9)	21.5 (70.7)	23.6 (74.5)	19.6 (67.3)

Average low °C (°F)	20.6 (69.1)	20.5 (68.9)	19.5 (67.1)	16.5 (61.7)	13.3 (55.9)	10.8 (51.4)	10.1 (50.2)	11.1 (52.0)	12.8 (55.0)	15.3 (59.5)	17.1 (62.8)	19.0 (66.2)	15.6 (60.1)

Record low °C (°F)	10.1 (50.2)	12.6 (54.7)	9.6 (49.3)	6.8 (44.2)	3.0 (37.4)	−0.3 (31.5)	−0.2 (31.6)	0.3 (32.5)	2.2 (36.0)	5.8 (42.4)	8.0 (46.4)	10.0 (50.0)	−0.3 (31.5)

Average precipitation mm (inches)	110.1 (4.33)	106.5 (4.19)	92.2 (3.63)	107.3 (4.22)	118.8 (4.68)	141.3 (5.56)	141.3 (5.56)	117.4 (4.62)	141.5 (5.57)	138.3 (5.44)	110.9 (4.37)	99.6 (3.92)	1,425.2 (56.11)

Average precipitation days (≥ 1.0 mm)	9	9	8	9	9	9	9	9	10	10	8	8	107

Average relative humidity (%)	72.9	74.8	75.3	77.6	81.0	82.7	80.7	77.8	77.0	75.0	72.1	70.9	76.5

Mean monthly sunshine hours	227.2	195.2	202.4	166.0	146.9	115.6	131.4	145.3	145.8	178.0	215.2	232.4	2,101.4

Source #1: Instituto Nacional de Meteorologia

Source #2: Meteo Climat (record highs and lows)

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