Climate - Passo Fundo (Rio Grande do Sul)

The climate of Passo Fundo is subtropical, with mild winters (May to August) and warm summers (December to March). The rains are abundant all year round.
The city is located in the state of Rio Grande do Sul, the southernmost of the Brazilian states, at 28 degrees south latitude and 680 meters (2,200 feet) above sea level.
In winter, from May to August (but sometimes also in September), there can be cold waves from the south, during which the temperature can drop to the freezing point or a little below at night, and can remain around 7/10 °C (45/50 °F) during the day. In July 1981 the temperature dropped to -4 °C (25 °F). Sometimes it can even snow. In July 1975, August 1965 and July 1990 there were heavy snowfalls.
However, cool periods can also occur in summer, in fact, the minimum temperature can drop to 10 °C (50 °F) or below even in January and February.

Best Time

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There is no perfect time to visit Passo Fundo. From May to August, temperatures are mild and rainfall are a bit rarer, however, it can get cold at times. You can then choose the month of April, in which temperatures are intermediate between winter and summer and the rains are not too frequent.

Passo Fundo - Climate data

In Passo Fundo, the average temperature of the coldest month (July) is of 13.4 °C (56.2 °F), that of the warmest month (January) is of 23.0 °C (73.5 °F). Here are the average temperatures.
In Passo Fundo, precipitation amounts to 1910 millimeters (75.2 inches) per year: it is therefore abundant. It ranges from 120 mm (4.7 in) in the driest month (March) to 225 mm (8.9 in) in the wettest one (October). Here is the average precipitation.

Passo Fundo - Weather by month

Based on the period 1991-2020

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In January, the warmest month of the year, the weather in Passo Fundo is usually warm to hot. The average temperature is of 23.0 °C (73 °F), with a minimum of 17.7 °C (63.9 °F) and a maximum of 28.4 °C (83.1 °F).
On the coldest nights of the month, the temperature usually drops to around 13 °C (55 °F). However, it dropped to 9.4 °C (48.9 °F) in January 1992.
On the warmest days of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 35 °C (95 °F) in January 2005.
Precipitation amounts to 160 mm (6.3 in), distributed over 11 days.
The day lasts on average 13 hours and 40 minutes.
The average humidity is 69%.
The average wind speed is 17 kph (10 mph).

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In February, the weather in Passo Fundo is usually warm to hot. The average temperature is of 22.6 °C (73 °F), with a minimum of 17.5 °C (63.5 °F) and a maximum of 27.7 °C (81.9 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (54 °F). However, it dropped to 8.5 °C (47.3 °F) in February 1996.
On the warmest days of the month, the temperature usually reaches around 32 °C (89 °F). However, it reached 35.1 °C (95.2 °F) in February 2005.
Precipitation amounts to 140 mm (5.5 in), distributed over 11 days.
The day lasts on average 13 hours and 0 minutes.
The average humidity is 69%.
The average wind speed is 17 kph (11 mph).

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In March, the weather in Passo Fundo is usually warm. The average temperature is of 21.8 °C (71 °F), with a minimum of 16.5 °C (61.7 °F) and a maximum of 27.1 °C (80.8 °F).
On the coldest nights, the temperature usually drops to around 11.5 °C (52.5 °F). However, it dropped to 4.5 °C (40.1 °F) in March 2012.
On the warmest days, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 35.9 °C (96.6 °F) in March 2005.
Precipitation amounts to 120 mm (4.7 in), distributed over 10 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 69%.
The average wind speed is 17 kph (10 mph).

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In April, the weather in Passo Fundo is usually warm. The average temperature is of 19.4 °C (67 °F), with a minimum of 14.1 °C (57.4 °F) and a maximum of 24.7 °C (76.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 6 °C (43 °F). However, it dropped to 2.1 °C (35.8 °F) in April 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 30.5 °C (87 °F). However, it reached 32.9 °C (91.2 °F) in April 2020.
Precipitation amounts to 140 mm (5.5 in), distributed over 9 days.
The day lasts on average 11 hours and 25 minutes.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).

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In May, the weather in Passo Fundo is usually very mild. The average temperature is of 15.7 °C (60 °F), with a minimum of 11 °C (51.8 °F) and a maximum of 20.4 °C (68.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 3.5 °C (38.5 °F). However, it dropped to -1.5 °C (29.3 °F) in May 2007.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 27.5 °C (81.5 °F). However, it reached 29.8 °C (85.6 °F) in May 2009.
Precipitation amounts to 160 mm (6.3 in), distributed over 8 days.
The day lasts on average 10 hours and 40 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).

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In June, the weather in Passo Fundo is usually mild. The average temperature is of 14.1 °C (57 °F), with a minimum of 9.5 °C (49.1 °F) and a maximum of 18.7 °C (65.7 °F).
On the coldest nights, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -2.6 °C (27.3 °F) in June 2016.
On the warmest days, the temperature usually reaches around 26 °C (78.5 °F). However, it reached 31.1 °C (88 °F) in June 2020.
Precipitation amounts to 150 mm (5.9 in), distributed over 9 days.
The day lasts on average 10 hours and 25 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 17 kph (10 mph).

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In July, the coldest month of the year, the weather in Passo Fundo is usually mild. The average temperature is of 13.4 °C (56 °F), with a minimum of 8.6 °C (47.5 °F) and a maximum of 18.3 °C (64.9 °F).
On the coldest nights of the month, the temperature usually drops to around -0.5 °C (31.5 °F). However, it dropped to -3.5 °C (25.7 °F) in July 2000.
On the warmest days of the month, the temperature usually reaches around 25.5 °C (78.5 °F). However, it reached 28 °C (82.4 °F) in July 2017.
Precipitation amounts to 180 mm (7.1 in), distributed over 10 days.
The day lasts on average 10 hours and 35 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).

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In August, the weather in Passo Fundo is usually very mild. The average temperature is of 15.0 °C (59 °F), with a minimum of 9.7 °C (49.5 °F) and a maximum of 20.4 °C (68.7 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -2.5 °C (27.5 °F) in August 1999.
On the warmest days of the month, the temperature usually reaches around 29 °C (84 °F). However, it reached 31.6 °C (88.9 °F) in August 1994.
Precipitation amounts to 140 mm (5.5 in), distributed over 8 days.
The day lasts on average 11 hours and 10 minutes.
The average humidity is 70%.
The average wind speed is 19 kph (12 mph).

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In September, the weather in Passo Fundo is usually very mild. The average temperature is of 16.3 °C (61 °F), with a minimum of 11.1 °C (52 °F) and a maximum of 21.5 °C (70.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 3.5 °C (38 °F). However, it dropped to -2.5 °C (27.5 °F) in September 2006.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 30 °C (86 °F). However, it reached 34.2 °C (93.6 °F) in September 2020.
Precipitation amounts to 175 mm (6.9 in), distributed over 10 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 69%.
The average wind speed is 19 kph (12 mph).

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In October, the weather in Passo Fundo is usually warm. The average temperature is of 18.9 °C (66 °F), with a minimum of 13.6 °C (56.5 °F) and a maximum of 24.2 °C (75.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 7 °C (44 °F). However, it dropped to 3.4 °C (38.1 °F) in October 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31.5 °C (89 °F). However, it reached 34.8 °C (94.6 °F) in October 2019.
Precipitation amounts to 225 mm (8.9 in), distributed over 11 days.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 70%.
The average wind speed is 19 kph (12 mph).

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In November, the weather in Passo Fundo is usually warm. The average temperature is of 20.8 °C (69 °F), with a minimum of 14.8 °C (58.6 °F) and a maximum of 26.7 °C (80.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 3.5 °C (38.3 °F) in November 1992.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 33 °C (91 °F). However, it reached 35.2 °C (95.4 °F) in November 2001.
Precipitation amounts to 160 mm (6.3 in), distributed over 9 days.
The day lasts on average 13 hours and 30 minutes.
The average humidity is 63%.
The average wind speed is 19 kph (12 mph).

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In December, the weather in Passo Fundo is usually warm to hot. The average temperature is of 22.6 °C (73 °F), with a minimum of 16.9 °C (62.4 °F) and a maximum of 28.4 °C (83.1 °F).
On the coldest nights of the month, the temperature usually drops to around 11 °C (52 °F). However, it dropped to 6.5 °C (43.7 °F) in December 2010.
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F). However, it reached 36.4 °C (97.5 °F) in December 2019.
Precipitation amounts to 160 mm (6.3 in), distributed over 10 days.
The day lasts on average 13 hours and 55 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
The average humidity is 64%.
The average wind speed is 17 kph (11 mph).