May weather forecast
São João da Boa Vista, Brazil

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Weather in May

The last month of the autumn, May, is another pleasant month in São João da Boa Vista, Brazil, with an average temperature fluctuating between 22.6°C (72.7°F) and 13.1°C (55.6°F).

Temperature

São João da Boa Vista, Brazil, registers an average high-temperature of an agreeable 22.6°C (72.7°F) with the arrival of May, showing minor deviation from the preceding month. Throughout May, São João da Boa Vista anticipates an average low-temperature of 13.1°C (55.6°F).

Humidity

In São João da Boa Vista, the average relative humidity in May is 86%.

Rainfall

In São João da Boa Vista, Brazil, in May, it is raining for 13.1 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, in São João da Boa Vista, Brazil, there are 228.1 rainfall days, and 1350mm (53.15") of precipitation is accumulated.

Daylight

The average length of the day in May in São João da Boa Vista is 11h and 4min.
On the first day of the month, sunrise is at 06:25 and sunset at 17:42. On the last day of May, sunrise is at 06:38 and sunset at 17:31 -03.

Sunshine

In May, the average sunshine in São João da Boa Vista is 8.6h.

UV index

January through July, September through December, with an average maximum UV index of 5, are months with the lowest UV index in São João da Boa Vista. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in May translates into this advice:
Exercise prevention - Warding off sunburn is urged. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What are May temperatures in São João da Boa Vista?

The average high-temperature, in May, in São João da Boa Vista, is 22.6°C (72.7°F), while the average low-temperature is 13.1°C (55.6°F).

What is the average humidity in May in São João da Boa Vista?

In São João da Boa Vista, Brazil, the average relative humidity in May is 86%.

How many days does it rain in May in São João da Boa Vista?

In São João da Boa Vista, Brazil, during May, the rain falls for 13.1 days and regularly aggregates up to 46mm (1.81") of precipitation.

What is the average length of the day in May in São João da Boa Vista?

The average day length in May in São João da Boa Vista is 11h and 4min.

What time are sunrise and sunset in May in São João da Boa Vista?

In May, on the first day of the month, sunrise is at 06:25 and sunset at 17:42. On the last day of the month, sunrise is at 06:38 and sunset at 17:31 -03.

How long on average sun shines in May in São João da Boa Vista?

In São João da Boa Vista, the average sunshine duration in May is 8.6h.

What is the month with the lowest UV index in São João da Boa Vista?

The months with the lowest UV index in São João da Boa Vista, Brazil, are January through July, September through December, with an average maximum UV index of 5.

What is the UV index reading in May in São João da Boa Vista?

The average daily maximum UV index in May in São João da Boa Vista is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
São João da Boa Vista, Brazil

Average temperature in May - São João da Boa Vista, Brazil
  • Average high temperature in May: 22.6°C

The warmest months (with the highest average high temperature) are September and October (27.7°C).
The month with the lowest average high temperature is June (21.9°C).

  • Average low temperature in May: 13.1°C

The month with the highest average low temperature is December (18.2°C).
The coldest months (with the lowest average low temperature) are June and July (12.3°C).

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Average pressure in May
São João da Boa Vista, Brazil

Average pressure in May - São João da Boa Vista, Brazil
  • Average pressure in May: 1017.9mbar

The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).

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Average wind speed in May
São João da Boa Vista, Brazil

Average wind speed in May - São João da Boa Vista, Brazil
  • Average wind speed in May: 6.9km/h

The windiest month (with the highest average wind speed) is September (8.5km/h).
The calmest month (with the lowest average wind speed) is March (6.4km/h).

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Average humidity in May
São João da Boa Vista, Brazil

Average humidity in May - São João da Boa Vista, Brazil
  • Average humidity in May: 86%

The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (64%).

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Average rainfall in May
São João da Boa Vista, Brazil

Average rainfall in May - São João da Boa Vista, Brazil
  • Average rainfall in May: 46mm

The wettest month (with the highest rainfall) is January (263mm).
The driest month (with the least rainfall) is August (17mm).

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Average rainfall days in May
São João da Boa Vista, Brazil

Average rainfall days in May - São João da Boa Vista, Brazil
  • Average rainfall days in May: 13.1 days

The month with the highest number of rainy days is December (29.7 days).
The month with the least rainy days is August (7 days).

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Average daylight in May /
Average sunshine in May
São João da Boa Vista, Brazil

Average daylight in May / Average sunshine in May - São João da Boa Vista, Brazil
  • Average daylight in May: 11h and 1min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).

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Average sunshine days in May
São João da Boa Vista, Brazil

Average sunshine days in May - São João da Boa Vista, Brazil
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is August (23.3 days).
The months with the least sunshine days are January and December (1 days).

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Average UV index in May
São João da Boa Vista, Brazil

Average UV index in May - São João da Boa Vista, Brazil
  • Average UV index in May: 5

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 5).

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Average cloud cover in May
São João da Boa Vista, Brazil

Average cloud cover in May - São João da Boa Vista, Brazil
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in May
São João da Boa Vista, Brazil

Average visibility in May - São João da Boa Vista, Brazil
  • Average visibility in May: 7km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April and May (7km).

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São João da Boa Vista, Brazil

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