Climate - Curitiba (Brazil)

The climate of Curitiba is subtropical, with mild winters (June to August) and warm summers (December to March). There is no real dry season, however, winter is the driest season and summer is the wettest season.
The city is the capital of the state of Paraná and is located in southern Brazil, at 25 degrees south latitude and 900 meters (2,950 feet) above sea level. The coast of the Atlantic Ocean is about 70 km (44 mi) away.
In winter, from June to August (but sometimes also in May and 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 10/12 °C (50/54 °F) during the day. In July 1975, the temperature dropped to -5 °C (23 °F), while in July 2000 it dropped below freezing for eight days. Sometimes it can even snow, as it happened in July 1975 (when there was even an accumulation), in July 2013 and in August 2020.
Fog can form all year round at night and in the early morning (not surprisingly, a nickname for Curitiba is "the city of eternal fog").
Sometimes there can be cool days even in summer, with highs of 20 °C (68 °F) even in January and February.

Curitiba - Climate data

In Curitiba, the average temperature of the coldest month (July) is of 14.9 °C (58.8 °F), that of the warmest month (February) is of 22.5 °C (72.5 °F). Here are the average temperatures.
In Curitiba, precipitation amounts to 1575 millimeters (62 inches) per year: it is therefore abundant. It ranges from 75 mm (3 in) in the driest month (August) to 220 mm (8.7 in) in the wettest one (January). Here is the average precipitation.
In Curitiba, there are on average around 1845 sunshine hours per year. Here are the average hours of sunshine per day.

Curitiba - Weather by month

Based on the period 1991-2020

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In January, the weather in Curitiba is usually warm. The average temperature is of 22.4 °C (72 °F), with a minimum of 17.3 °C (63.2 °F) and a maximum of 27.4 °C (81.3 °F).
On the coldest nights of the month, the temperature usually drops to around 13.5 °C (56.5 °F). However, it dropped to 9.2 °C (48.6 °F) in January 2012.
On the warmest days of the month, the temperature usually reaches around 31.5 °C (89 °F). However, it reached 34.3 °C (93.7 °F) in January 2006.
Precipitation amounts to 220 mm (8.7 in), distributed over 15 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).

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In February, the warmest month of the year, the weather in Curitiba is usually warm. The average temperature is of 22.5 °C (72 °F), with a minimum of 17.5 °C (63.5 °F) and a maximum of 27.5 °C (81.4 °F).
On the coldest nights of the month, the temperature usually drops to around 13.5 °C (56 °F). However, it dropped to 11.2 °C (52.2 °F) in February 2020.
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, it reached 33.4 °C (92.1 °F) in February 2010.
Precipitation amounts to 165 mm (6.5 in), distributed over 13 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 10 kph (7 mph).

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In March, the weather in Curitiba is usually warm. The average temperature is of 21.4 °C (70 °F), with a minimum of 16.5 °C (61.7 °F) and a maximum of 26.2 °C (79.2 °F).
On the coldest nights, the temperature usually drops to around 12 °C (53.5 °F). However, it dropped to 9.2 °C (48.6 °F) in March 2012.
On the warmest days, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 34.2 °C (93.6 °F) in March 2005.
Precipitation amounts to 145 mm (5.7 in), distributed over 11 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).

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In April, the weather in Curitiba is usually warm. The average temperature is of 19.6 °C (67 °F), with a minimum of 14.4 °C (58 °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 8 °C (46 °F). However, it dropped to 2.8 °C (37 °F) in April 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29.5 °C (85 °F). However, it reached 33 °C (91.4 °F) in April 2014.
Precipitation amounts to 95 mm (3.7 in), distributed over 8 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).

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In May, the weather in Curitiba is usually very mild. The average temperature is of 16.3 °C (61 °F), with a minimum of 11.2 °C (52.1 °F) and a maximum of 21.4 °C (70.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to -2.4 °C (27.7 °F) in May 2000.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 27 °C (80.5 °F). However, it reached 31 °C (87.8 °F) in May 2000.
Precipitation amounts to 115 mm (4.5 in), distributed over 8 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).

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In June, the weather in Curitiba is usually very mild. The average temperature is of 15.2 °C (59 °F), with a minimum of 9.7 °C (49.5 °F) and a maximum of 20.7 °C (69.3 °F).
On the coldest nights, the temperature usually drops to around 1.5 °C (35 °F). However, it dropped to -3 °C (26.6 °F) in June 1994.
On the warmest days, the temperature usually reaches around 26 °C (78.5 °F). However, it reached 29 °C (84.2 °F) in June 2020.
Precipitation amounts to 95 mm (3.7 in), distributed over 7 days.
The day lasts on average 10 hours and 35 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 4.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).

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In July, the coldest month of the year, the weather in Curitiba is usually very mild. The average temperature is of 14.9 °C (59 °F), with a minimum of 8.9 °C (48 °F) and a maximum of 20.9 °C (69.6 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -4 °C (24.8 °F) in July 2000.
On the warmest days of the month, the temperature usually reaches around 26.5 °C (79.5 °F). However, it reached 28.4 °C (83.1 °F) in July 1993.
Precipitation amounts to 110 mm (4.3 in), distributed over 7 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).

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In August, the weather in Curitiba is usually very mild. The average temperature is of 15.9 °C (61 °F), with a minimum of 9.5 °C (49.1 °F) and a maximum of 22.4 °C (72.3 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (36 °F). However, it dropped to -1.8 °C (28.8 °F) in August 1999.
On the warmest days of the month, the temperature usually reaches around 29.5 °C (85 °F). However, it reached 32 °C (89.6 °F) in August 1994.
Precipitation amounts to 75 mm (3 in), distributed over 6 days.
The day lasts on average 11 hours and 20 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).

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In September, the weather in Curitiba is usually very mild. The average temperature is of 17.2 °C (63 °F), with a minimum of 11.6 °C (52.8 °F) and a maximum of 22.8 °C (73.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4.5 °C (40.5 °F). However, it dropped to -1 °C (30.2 °F) in September 2002.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 34 °C (93.2 °F) in September 1999.
Precipitation amounts to 140 mm (5.5 in), distributed over 9 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).

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In October, the weather in Curitiba is usually warm. The average temperature is of 18.9 °C (66 °F), with a minimum of 13.5 °C (56.4 °F) and a maximum of 24.2 °C (75.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 8 °C (47 °F). However, it dropped to 4.9 °C (40.8 °F) in October 1995.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31 °C (88 °F). However, it reached 35.1 °C (95.2 °F) in October 2020.
Precipitation amounts to 140 mm (5.5 in), distributed over 11 days.
The day lasts on average 12 hours and 40 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).

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In November, the weather in Curitiba is usually warm. The average temperature is of 19.9 °C (68 °F), with a minimum of 14.6 °C (58.2 °F) and a maximum of 25.2 °C (77.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9.5 °C (49 °F). However, it dropped to 6.6 °C (43.9 °F) in November 2006.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, it reached 34 °C (93.2 °F) in November 2003.
Precipitation amounts to 125 mm (4.9 in), distributed over 10 days.
The day lasts on average 13 hours and 25 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).

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In December, the weather in Curitiba is usually warm. The average temperature is of 21.7 °C (71 °F), with a minimum of 16.4 °C (61.4 °F) and a maximum of 27 °C (80.6 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (52.5 °F). However, it dropped to 8 °C (46.4 °F) in December 2001.
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 33.9 °C (93 °F) in December 1993.
Precipitation amounts to 155 mm (6.1 in), distributed over 12 days.
The day lasts on average 13 hours and 40 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
There are on average 5.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).