Porto Velho
Climate

Porto Velho

Section Title: Climate
Table Section Text: None

Climate data for Porto Velho (1961–1990)

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

Record high °C (°F)	37.2 (99)	36.4 (97.5)	38.7 (101.7)	37.1 (98.8)	36.8 (98.2)	38.8 (101.8)	37.9 (100.2)	40.9 (105.6)	39.4 (102.9)	40.0 (104)	39.7 (103.5)	38.0 (100.4)	40.9 (105.6)

Average high °C (°F)	31.3 (88.3)	31.5 (88.7)	31.7 (89.1)	31.6 (88.9)	31.6 (88.9)	31.7 (89.1)	32.7 (90.9)	34.3 (93.7)	34.0 (93.2)	33.3 (91.9)	32.6 (90.7)	31.6 (88.9)	32.3 (90.1)

Daily mean °C (°F)	25.5 (77.9)	25.5 (77.9)	25.6 (78.1)	25.7 (78.3)	25.3 (77.5)	24.7 (76.5)	24.6 (76.3)	25.9 (78.6)	26.2 (79.2)	26.1 (79)	26.0 (78.8)	25.5 (77.9)	25.6 (78.1)

Average low °C (°F)	21.7 (71.1)	21.8 (71.2)	21.8 (71.2)	21.9 (71.4)	21.0 (69.8)	19.2 (66.6)	18.3 (64.9)	19.0 (66.2)	20.8 (69.4)	21.8 (71.2)	22.0 (71.6)	22.0 (71.6)	20.9 (69.6)

Record low °C (°F)	14.4 (57.9)	15.4 (59.7)	12.0 (53.6)	12.8 (55)	12.0 (53.6)	11.8 (53.2)	7.4 (45.3)	10.0 (50)	12.1 (53.8)	17.7 (63.9)	18.1 (64.6)	11.0 (51.8)	7.4 (45.3)

Average rainfall mm (inches)	320.9 (12.634)	316.0 (12.441)	273.9 (10.783)	251.0 (9.882)	126.6 (4.984)	49.2 (1.937)	24.2 (0.953)	36.4 (1.433)	119.9 (4.72)	192.7 (7.587)	225.2 (8.866)	319.1 (12.563)	2,255.1 (88.783)

Average rainy days (≥ 1.0 mm)	19	19	20	17	11	4	3	4	11	13	16	19	156

Average relative humidity (%)	89	88	89	89	86	84	80	82	84	86	87	88.7	86.1

Mean monthly sunshine hours	107.1	98.3	124.0	140.1	183.7	226.7	259.7	234.0	186.8	166.7	137.1	124.2	1,988.4

Source: Brazilian National Institute of Meteorology (INMET).

Sentence(s)

According to the Brazilian National Institute of Meteorology (INMET), between 1961 and 1990 the lowest temperature recorded in Porto Velho was 7.4 °C or 45.3 °F in July, and the highest reached 40.9 °C or 105.6 °F in August.

final_sentence: According to the Brazilian National Institute of Meteorology (INMET), between 1961 and 1990 the lowest temperature recorded in Porto Velho was 7.4 °C or 45.3 °F in July, and the highest reached 40.9 °C or 105.6 °F in August.