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Contents
- The climate of Ribeirão Preto
- The best time to visit Ribeirão Preto
- The worst time to visit Ribeirão Preto
- Spring weather in Ribeirão Preto
- Summer weather in Ribeirão Preto
- Autumn weather in Ribeirão Preto
- Winter weather in Ribeirão Preto
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Ribeirão Preto
Ribeirão Preto, a city located in the Brazilian state of São Paulo, experiences a tropical climate specifically categorized as Aw, under the Köppen Climate Classification, characterized as tropical wet and dry or savanna. The marking features of this climate type include significant variations in temperature and rainfall patterns, decoupling it from the consistent weather conditions expected in tropical regions.
Throughout the year, the city witnesses temperatures trending between 14.3°C (57.7°F) during the coldest month and soaring as high as 31.1°C (88°F) in the hottest month. It denotes considerable fluctuations in the temperature patterns, demanding adaptive lifestyle choices from the residents. Rainfall features a similar trend, with a striking difference between the wettest month, which sees a heavy downpour of 238mm (9.37"), and the driest month, barely accumulating 11mm (0.43"). The variable climate pattern exhibits the uniqueness of a tropical savanna climate with distinct wet and dry months.
Further, the city experiences a varying degree of daylight hours from the lowest 10.9 hours to the highest 13.4 hours, and sunshine hours falling between 7.2 hours and 9.4 hours. There is a noticeable fluctuation in wind speed too, scaling from 6.2km/h (3.9mph) to 8.9km/h (5.5mph). Moreover, the relative humidity ranges between 55% and 88%. These changes in weather parameters significantly influence the climate conditions.
Unique weather conditions are quite apparent in Ribeirão Preto. The month with the maximum rainfall contrasts starkly with the comparatively parched months, each featuring distinct weather patterns. Moreover, the particularly hot months bear a stark difference from the relatively cold ones.
Throughout the year, the city witnesses temperatures trending between 14.3°C (57.7°F) during the coldest month and soaring as high as 31.1°C (88°F) in the hottest month. It denotes considerable fluctuations in the temperature patterns, demanding adaptive lifestyle choices from the residents. Rainfall features a similar trend, with a striking difference between the wettest month, which sees a heavy downpour of 238mm (9.37"), and the driest month, barely accumulating 11mm (0.43"). The variable climate pattern exhibits the uniqueness of a tropical savanna climate with distinct wet and dry months.
Further, the city experiences a varying degree of daylight hours from the lowest 10.9 hours to the highest 13.4 hours, and sunshine hours falling between 7.2 hours and 9.4 hours. There is a noticeable fluctuation in wind speed too, scaling from 6.2km/h (3.9mph) to 8.9km/h (5.5mph). Moreover, the relative humidity ranges between 55% and 88%. These changes in weather parameters significantly influence the climate conditions.
Unique weather conditions are quite apparent in Ribeirão Preto. The month with the maximum rainfall contrasts starkly with the comparatively parched months, each featuring distinct weather patterns. Moreover, the particularly hot months bear a stark difference from the relatively cold ones.
The best time to visit Ribeirão Preto
Despite the prevalent climate variations, Ribeirão Preto extends a cordial welcome to travelers and adventurers all year round. Visitors looking to enjoy the best of the city's weather should consider dates within July and August, when the city experiences the lowest rainfall, measuring only 14mm (0.55") to 11mm (0.43") respectively, and the humidity falls to a comfortable level of 68% and 55%. The temperatures during these months range between a pleasant 14.5°C (58.1°F) and 28.8°C (83.8°F), ensuring an ideal ambiance for outdoor explorations.
The worst time to visit Ribeirão Preto
While the city remains open to visitors throughout the year, Ribeirão Preto presents weather extremities during some months. Visitors might want to avoid travel plans in December and January, when the city experiences the maximum rainfall of 238mm (9.37") and 177mm (6.97") respectively. Furthermore, the humidity levels peak to a stifling 87% during these months. The temperatures during these times fluctuate between the wet 19.6°C (67.3°F) to 28.3°C (82.9°F), which might not offer the most comfortable weather for outdoor activities.
Spring weather in Ribeirão Preto
Spring season in Ribeirão Preto, occurring from September to November, witnesses a moderate climb in the temperature ranging from 17.9°C (64.2°F) to 31.1°C (88°F). Rainfall during these months increases gradually from 45mm (1.77") to 194mm (7.64"). The sunlight hours extend from 12.0 hours to 13.1 hours complementing the increasing humidity levels. The wind speed, too, sees a rise from 8.9km/h (5.5mph) to 7.8km/h (4.8mph), marking the transition in season.
Summer weather in Ribeirão Preto
Summer in Ribeirão Preto, that spans from December to February, is characterized by high temperatures, varying between 19.3°C (66.7°F) and 28.3°C (82.9°F), accompanied by the peak rainfall months bearing 238mm (9.37"), 177mm (6.97"), and 151mm (5.94") respectively. The daylight hours extend up to 13.4 hours in December, gradually reducing to 12.2 hours by February. Wind speed during this period resides between 6.7km/h (4.2mph) to 6.2km/h (3.9mph), indicating calmer conditions.
Autumn weather in Ribeirão Preto
The autumn months in Ribeirão Preto, running from March to May, witness a gradual decrease in temperature, falling from 18.9°C (66°F) to 14.8°C (58.6°F) by May. Correspondingly, rainfall reduces from 151mm (5.94") in March to a mere 41mm (1.61") in May. The daylight hours dwindle from 12.2 hours to 11.1 hours along with reduced wind speed from 6.4km/h (4mph) to 6.7km/h (4.2mph) as the season progresses.
Winter weather in Ribeirão Preto
Winter in Ribeirão Preto, lasting from June to August, experiences moderate weather conditions. The temperatures range between 14.3°C (57.7°F) and 28.8°C (83.8°F), presenting a pleasant climate. Rainfall during this period is at its minimum, measuring only 29mm (1.14") in June and reducing to 11mm (0.43") by August. The daylight hours are relatively consistent staying in the range of 10.9 hours to 11.4 hours. The wind speed, ranging from 7.1km/h (4.4mph) to 8.8km/h (5.5mph), serves to further moderate the temperatures during this season.
Weather in January
The weather in January in Ribeirão Preto, Brazil, harbors a humid tropical climate, seen throughout the significant rainfall and fairly high temperatures. The city experiences an upward trend in both average daily high and low temperatures during this month. Weather in January »
Weather in February
The transition from January to February in Ribeirão Preto brings about moderate changes in weather conditions. Notably, February sustains the pervasive high-temperature trend but sees a slight decrease in average rainfall quantity and number of rainy days. Weather in February »
Weather in March
March in Ribeirão Preto retains much of February's warmth, although the high temperatures slightly wane. Interestingly, March reverses the declining rainfall trend observed in February and sees a rise in total rainfall, indicating the continuation of the region's wet season. Weather in March »
Weather in April
April greets Ribeirão Preto with a notable shift towards a drier climate. Both the amount of rainfall and its frequency reduce significantly in comparison to the preceding month, a trend which continues into May. Despite the receding high temperature during the day, April maintains a pleasant warmth with its average lowest temperature not falling below 17°C (62.6°F). Weather in April »
Weather in May
May in Ribeirão Preto, Brazil, solidifies the shift towards drier conditions, with a persistent decrease in rainfall from 69mm (2.72") in April to 41mm (1.61"). A continuity in the falling trend of average high and low temperatures characterizes this month, implying cooler days and nights. Weather in May »
Weather in June
Ribeirão Preto enters mid-year with June, bringing along with it a significant drop in both rainfall and humidity. Compared to May, the month witnesses a decline in average high temperatures, though the lowest do not depart much. Weather in June »
Weather in July
July in Ribeirão Preto can be deemed as the driest month of the year, with a mere 14mm (0.55") rainfall recorded. It also proves to be the coolest month, punctuating the prevalent fall in temperatures. Nonetheless, weather conditions tend to remain stable, as frictional variations between June and July become negligible. Weather in July »
Weather in August
The weather in August in Ribeirão Preto, Brazil, essentially takes forward July's conditions with only minor changes often observed. The average high temperatures tend to rise, indicating the onset of the warm season. Meanwhile, rainfall makes a minor climb upwards, though remaining markedly scant in comparison to the year's beginning. Weather in August »
Weather in September
September in Ribeirão Preto signals an early arrival of spring conditions, evident in the minor changes observed from August. Month-on-month, there's a slight increase in rainfall and average daytime and nighttime temperatures. Weather in September »
Weather in October
As the weather shifts from September to October in Ribeirão Preto, the city experiences a substantial increase in rainfall, from 45mm (1.77") to 136mm (5.35"). The number of rainy days and relative humidity also surge, reminiscent of the wet season's return. Weather in October »
Weather in November
In November, Ribeirão Preto witnesses an upward push in both the average high and low temperatures. The rainfall increases as well, and coupled with longer daylight hours, it hints at the transition towards summer. However, a slight decrease in the amount of sunshine and a rise in cloud cover become apparent when compared to October. Weather in November »
Weather in December
Closing off the year in Ribeirão Preto, December advances the warming trend and blends it with heightened precipitation. The city caps off its annual rainfall with an impressive 189mm (7.44"), marking it as the second-wettest month of the year. Weather in December »
[Resources]Frequently asked questions
What is the wettest month in Ribeirão Preto?
January is the month with the most rainfall in Ribeirão Preto, Brazil. Rain falls for 29.4 days and accumulates 238mm (9.37") of precipitation.
How much does it rain in Ribeirão Preto?
Throughout the year, in Ribeirão Preto, Brazil, there are 221 rainfall days, and 1294mm (50.94") of precipitation is accumulated.
What is the month with the least sunshine in Ribeirão Preto?
With an average of 7.2h of sunshine, January has the least sunshine of the year.
When is the highest UV index in Ribeirão Preto?
The months with the highest UV index are January, March, July through November, with an average maximum UV index of 6.
What is the month with the lowest UV index in Ribeirão Preto?
February, April through June and December, with an average maximum UV index of 5, are months with the lowest UV index in Ribeirão Preto.
What is the most humid month in Ribeirão Preto?
March is the most humid month in Ribeirão Preto, Brazil, with an average relative humidity of 88%.
What time of the year is the coldest in Ribeirão Preto?
June, on average, is the coldest month in Ribeirão Preto, Brazil, registering a high temperature of 24.2°C (75.6°F) and a low of 14.3°C (57.7°F).
What is the month with the shortest days in Ribeirão Preto?
With an average of 10h and 54min of daylight, June has the shortest days of the year.
What is the driest month in Ribeirão Preto?
The month with the least rainfall is August, when the rain falls for 4.6 days and typically collects 11mm (0.43") of precipitation.
What part of the year is the hottest in Ribeirão Preto?
Temperature readings reach their annual highs in September, averaging 31.1°C (88°F) and a minimum average of 17.9°C (64.2°F).
What is the least humid month in Ribeirão Preto?
The least humid month in Ribeirão Preto is September, with an average relative humidity of 54%.
What month has the most sunshine in Ribeirão Preto?
The month with the most sunshine in Ribeirão Preto, Brazil, is September, with an average of 9.4h of sunshine.
When are the longest days in Ribeirão Preto?
December has the longest days of the year, with an average of 13h and 24min of daylight.
Is there Daylight Saving Time (DST) in Ribeirão Preto?
Ribeirão Preto, Brazil, does not utilize Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Ribeirão Preto, Brazil
The warmest month (with the highest average high temperature) is September (31.1°C).
The month with the lowest average high temperature is June (24.2°C).
The month with the highest average low temperature is December (19.9°C).
The coldest month (with the lowest average low temperature) is June (14.3°C).
Average pressure
Ribeirão Preto, Brazil
- Average pressure in January:
1012.5mbar - Average pressure in February:
1012.7mbar - Average pressure in March:
1013.2mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1017.1mbar - Average pressure in June:
1019mbar
- Average pressure in July:
1019.3mbar - Average pressure in August:
1018.1mbar - Average pressure in September:
1015.4mbar - Average pressure in October:
1013mbar - Average pressure in November:
1011.4mbar - Average pressure in December:
1011.3mbar
The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1011.3mbar).
Average wind speed
Ribeirão Preto, Brazil
- Average wind speed in January:
6.7km/h - Average wind speed in February:
6.2km/h - Average wind speed in March:
6.4km/h - Average wind speed in April:
6.6km/h - Average wind speed in May:
6.7km/h - Average wind speed in June:
7.1km/h
- Average wind speed in July:
7.9km/h - Average wind speed in August:
8.8km/h - Average wind speed in September:
8.9km/h - Average wind speed in October:
8.5km/h - Average wind speed in November:
7.8km/h - Average wind speed in December:
6.9km/h
The windiest month (with the highest average wind speed) is September (8.9km/h).
The calmest month (with the lowest average wind speed) is February (6.2km/h).
Average humidity
Ribeirão Preto, Brazil
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (54%).
Average rainfall
Ribeirão Preto, Brazil
- Average rainfall in January:
238mm - Average rainfall in February:
177mm - Average rainfall in March:
151mm - Average rainfall in April:
69mm - Average rainfall in May:
41mm - Average rainfall in June:
29mm
The wettest month (with the highest rainfall) is January (238mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days
Ribeirão Preto, Brazil
- Average rainfall days in January:
29.4 days - Average rainfall days in February:
25.7 days - Average rainfall days in March:
27.9 days - Average rainfall days in April:
18.6 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
9.6 days
- Average rainfall days in July:
6.4 days - Average rainfall days in August:
4.6 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
20.3 days - Average rainfall days in November:
25.7 days - Average rainfall days in December:
29.7 days
The month with the highest number of rainy days is December (29.7 days).
The month with the least rainy days is August (4.6 days).
Average daylight / Average sunshine
Ribeirão Preto, Brazil
- Average daylight in January:
13h and 1min - Average daylight in February:
12h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 4min - Average daylight in May:
11h and 1min - Average daylight in June:
10h and 5min
- Average daylight in July:
11h and 0min - Average daylight in August:
11h and 2min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 4min - Average daylight in November:
13h and 1min - Average daylight in December:
13h and 2min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
7h and 5min - Average sunshine in March:
7h and 4min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
8h and 5min - Average sunshine in November:
8h and 0min - Average sunshine in December:
7h and 4min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days
Ribeirão Preto, Brazil
- Average sunshine days in January:
0.9 days - Average sunshine days in February:
1.8 days - Average sunshine days in March:
2.1 days - Average sunshine days in April:
9.6 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
22.6 days - Average sunshine days in August:
26 days - Average sunshine days in September:
18.8 days - Average sunshine days in October:
9.1 days - Average sunshine days in November:
2.8 days - Average sunshine days in December:
0.5 days
The month with the most sunshine days is August (26 days).
The month with the least sunshine days is December (0.5 days).
Average UV index
Ribeirão Preto, Brazil
The months with the highest UV index are January, March, July, August, September, October and November (UV index 6).
The months with the lowest UV index are February, April, May, June and December (UV index 5).
Average cloud cover
Ribeirão Preto, Brazil
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility
Ribeirão Preto, Brazil
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April and May (7km).
Ribeirão Preto, Brazil
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