Climate - Ribeirao Preto (São Paulo)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Ribeirao Preto (São Paulo)
The climate of Ribeirão Preto is tropical, with a relatively cool and dry season from June to August, and a hot and rainy season from November to March.
The city is located in southern Brazil, in the state of São Paulo, at 21 degrees south latitude and 570 meters (1,870 feet) above sea level.
From June to August, the dry period, is the winter of the southern hemisphere, and in fact the temperature decreases, especially at night. During this period, there can sometimes be outbursts of cold air from the south, and the temperature can drop below 5 °C (41 °F) at night and below 20 °C (68 °F) during the day.
Instead, from mid-August the temperature begins to rise, and until November, before the wettest period, the highest values of the year can be reached. However, it can sometimes be very hot even in summer and autumn, from November to April.
Best Time
The best time to visit Ribeirão Preto is from June to August, being the cool and dry season. At night it can get a little cold. May is a similar month, just a little rainier. In August, the likelihood of cold weather decreases, but the likelihood of encountering very hot days increases.
Ribeirao Preto - Climate data
The average temperature of the coldest month (June) is of 19.6 °C (67.3 °F), that of the warmest month (December) is of 25.9 °C (78.7 °F). Here are the average temperatures.Ribeirao Preto - Average temperatures (1992-2009) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 21.3 | 29.8 | 25.6 | 70 | 86 | 78 |
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| February | 21.3 | 30 | 25.7 | 70 | 86 | 78.2 |
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| March | 20.6 | 30 | 25.3 | 69 | 86 | 77.5 |
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| April | 18 | 28.7 | 23.4 | 64 | 84 | 74 |
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| May | 15 | 26.2 | 20.6 | 59 | 79 | 69.1 |
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| June | 13.2 | 26.1 | 19.6 | 56 | 79 | 67.3 |
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| July | 13.3 | 27.8 | 20.5 | 56 | 82 | 68.9 |
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| August | 15.1 | 30.2 | 22.7 | 59 | 86 | 72.8 |
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| September | 17.4 | 30.7 | 24.1 | 63 | 87 | 75.3 |
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| October | 20 | 31.2 | 25.6 | 68 | 88 | 78 |
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| November | 20.1 | 30.1 | 25.1 | 68 | 86 | 77.2 |
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| December | 21.1 | 30.7 | 25.9 | 70 | 87 | 78.7 |
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| Year | 18 | 29.3 | 23.6 | 64.4 | 84.7 | 74.5 |
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Precipitation amounts to 1390 millimeters (54.7 inches) per year: it is therefore quite abundant. It ranges from 15 mm (0.6 in) in the driest months (July, August) to 265 mm (10.4 in) in the wettest one (January). Here is the average precipitation.Ribeirao Preto - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 265 | 10.4 | 18 |
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| February | 210 | 8.3 | 14 |
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| March | 160 | 6.3 | 14 |
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| April | 65 | 2.6 | 6 |
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| May | 60 | 2.4 | 5 |
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| June | 25 | 1 | 3 |
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| July | 15 | 0.6 | 2 |
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| August | 15 | 0.6 | 3 |
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| September | 60 | 2.4 | 6 |
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| October | 105 | 4.1 | 10 |
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| November | 175 | 6.9 | 13 |
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| December | 235 | 9.3 | 16 |
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| Year | 1390 | 54.7 | 110 |
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Ribeirao Preto - Weather by month
Based on the period 1992-2009
January is generally a warm to hot, muggy month. The average temperature is of 25.6 °C (78 °F), with a minimum of 21.3 °C (70.4 °F) and a maximum of 29.8 °C (85.7 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F). However, it dropped to 17 °C (62.6 °F) in January 2001.
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 35 °C (95 °F) in January 1998.
Precipitation amounts to 265 mm (10.4 in), distributed over 18 days.
The day lasts on average 13 hours and 10 minutes.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
February is generally a warm to hot, muggy month. The average temperature is of 25.7 °C (78 °F), with a minimum of 21.3 °C (70.3 °F) and a maximum of 30 °C (86 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F). However, it dropped to 17 °C (62.6 °F) in February 2000.
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94.5 °F). However, it reached 36 °C (96.8 °F) in February 1998.
Precipitation amounts to 210 mm (8.3 in), distributed over 14 days.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
March is generally a warm to hot, muggy month. The average temperature is of 25.3 °C (78 °F), with a minimum of 20.6 °C (69 °F) and a maximum of 30 °C (86 °F).
On the coldest nights, the temperature usually drops to around 18 °C (64 °F). However, it dropped to 16 °C (60.8 °F) in March 1997.
On the warmest days, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 37 °C (98.6 °F) in March 1998.
Precipitation amounts to 160 mm (6.3 in), distributed over 14 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
April is generally a warm to hot, muggy month. The average temperature is of 23.4 °C (74 °F), with a minimum of 18 °C (64.5 °F) and a maximum of 28.7 °C (83.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 13 °C (55.5 °F). However, it dropped to 11 °C (51.8 °F) in April 1995.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 35 °C (95 °F) in April 2007.
Precipitation amounts to 65 mm (2.6 in), distributed over 6 days.
The day lasts on average 11 hours and 35 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
May is generally a warm month. The average temperature is of 20.6 °C (69 °F), with a minimum of 15 °C (59.1 °F) and a maximum of 26.2 °C (79.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9.5 °C (49.5 °F). However, it dropped to 7 °C (44.6 °F) in May 1999.
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 34 °C (93.2 °F) in May 2001.
Precipitation amounts to 60 mm (2.4 in), distributed over 5 days.
The day lasts on average 11 hours and 5 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
June, the coldest month of the year, is generally a warm month. The average temperature is of 19.6 °C (67 °F), with a minimum of 13.2 °C (55.7 °F) and a maximum of 26.1 °C (79 °F).
On the coldest nights, the temperature usually drops to around 7 °C (44 °F). However, it dropped to 4 °C (39.2 °F) in June 2009.
On the warmest days, the temperature usually reaches around 30 °C (86.5 °F). However, it reached 32 °C (89.6 °F) in June 2001.
Precipitation amounts to 25 mm (1 in), distributed over 3 days.
The day lasts on average 10 hours and 55 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
July is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 20.5 °C (69 °F), with a minimum of 13.3 °C (55.9 °F) and a maximum of 27.8 °C (82 °F).
On the coldest nights of the month, the temperature usually drops to around 8 °C (46.5 °F). However, it dropped to 3 °C (37.4 °F) in July 2000.
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 34 °C (93.2 °F) in July 1998.
Precipitation amounts to 15 mm (0.6 in), distributed over 2 days.
The day lasts on average 11 hours and 0 minutes.
The average humidity is 62%.
The average wind speed is 7 kph (5 mph).
August is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 22.6 °C (73 °F), with a minimum of 15.1 °C (59.2 °F) and a maximum of 30.2 °C (86.3 °F).
On the coldest nights of the month, the temperature usually drops to around 10.5 °C (50.5 °F). However, it dropped to 6 °C (42.8 °F) in August 1999.
On the warmest days of the month, the temperature usually reaches around 35 °C (94.5 °F). However, it reached 37 °C (98.6 °F) in August 2006.
Precipitation amounts to 15 mm (0.6 in), distributed over 3 days.
The day lasts on average 11 hours and 25 minutes.
The average humidity is 52%.
The average wind speed is 9 kph (5 mph).
September is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 24.1 °C (75 °F), with a minimum of 17.4 °C (63.4 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 12 °C (53 °F). However, it dropped to 7 °C (44.6 °F) in September 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 38 °C (100.4 °F) in September 2006.
Precipitation amounts to 60 mm (2.4 in), distributed over 6 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 58%.
The average wind speed is 10 kph (6 mph).
October is generally a warm to hot month. The average temperature is of 25.6 °C (78 °F), with a minimum of 20 °C (68 °F) and a maximum of 31.2 °C (88.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 16 °C (61 °F). However, it dropped to 13 °C (55.4 °F) in October 1993.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 37 °C (98.5 °F). However, it reached 39 °C (102.2 °F) in October 2008.
Precipitation amounts to 105 mm (4.1 in), distributed over 10 days.
The day lasts on average 12 hours and 35 minutes.
The average humidity is 64%.
The average wind speed is 9 kph (6 mph).
November is generally a warm to hot, muggy month. The average temperature is of 25.1 °C (77 °F), with a minimum of 20.1 °C (68.1 °F) and a maximum of 30.1 °C (86.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 16 °C (61 °F). However, it dropped to 14 °C (57.2 °F) in November 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35 °C (94.5 °F). However, it reached 36 °C (96.8 °F) in November 1994.
Precipitation amounts to 175 mm (6.9 in), distributed over 13 days.
The day lasts on average 13 hours and 5 minutes.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
December is generally a warm to hot, muggy month. The average temperature is of 25.9 °C (79 °F), with a minimum of 21.1 °C (70 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights of the month, the temperature usually drops to around 17.5 °C (64 °F). However, it dropped to 14 °C (57.2 °F) in December 2001.
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 36 °C (96.8 °F) in December 2007.
Precipitation amounts to 235 mm (9.3 in), distributed over 16 days.
The day lasts on average 13 hours and 25 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
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