July weather forecast
Porto Alegre, São Tomé and Príncipe

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Weather in July

By July, Porto Alegre has settled into winter. The maximum temperature hovers around 24.5°C (76.1°F). This is the city's driest month, with rainfall measuring only 9mm (0.35"). The city waits in quiet slumber, its usual vibrancy muted under the winter chill. The quieter streets and chilly weather add a new dimension to the city's splendor and offer a uniquely serene experience.

Temperature

July, having an average high-temperature of 24.5°C (76.1°F) and an average low-temperature of 23°C (73.4°F), is the coldest month in Porto Alegre.

Humidity

The average relative humidity in July in Porto Alegre is 82%.

Rainfall

July is the month with the least rainfall in Porto Alegre. Rain falls for 8.4 days and accumulates 9mm (0.35") of precipitation.

Daylight

In July, the average length of the day in Porto Alegre is 12h and 7min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:41. On the last day of July, sunrise is at 05:36 and sunset at 17:43 GMT.

Sunshine

In July, the average sunshine in Porto Alegre is 6h.

UV index

With an average maximum UV index of 5, July is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in July converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What are the coldest months in Porto Alegre?

July, known for its average high temperature of 24.5°C (76.1°F) and an average low temperature of 23°C (73.4°F), is the coldest month.

What are the temperatures in Porto Alegre in July?

In Porto Alegre, in July, the average high-temperature is 24.5°C (76.1°F), and the average low-temperature is 23°C (73.4°F). In May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 31°C (87.8°F).

What is the average humidity in July in Porto Alegre?

The average relative humidity in July in Porto Alegre, São Tomé and Príncipe, is 82%.

What is the driest month in Porto Alegre?

July is the month with the least rainfall in Porto Alegre, São Tomé and Príncipe. Rain falls for 8.4 days and accumulates 9mm (0.35") of precipitation.

How many days does it rain in July in Porto Alegre?

In Porto Alegre, São Tomé and Príncipe, in July, during 8.4 rainfall days, 9mm (0.35") of precipitation is typically accumulated.

How many hours of daylight does Porto Alegre have in July?

The average day length in July in Porto Alegre is 12h and 7min.

What time are sunrise and sunset in July in Porto Alegre?

In July, on the first day of the month, sunrise is at 05:34 and sunset at 17:41. On the last day of the month, in Porto Alegre, sunrise is at 05:36 and sunset at 17:43 GMT.

How long on average sun shines in July in Porto Alegre?

The average sunshine duration in July in Porto Alegre is 6h.

What is the month with the lowest UV index in Porto Alegre?

With an average maximum UV index of 5, July is the month with the lowest UV index.

What is the UV index intensity in July in Porto Alegre?

In July, the average daily maximum UV index in Porto Alegre, São Tomé and Príncipe, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.

Average temperature in July
Porto Alegre, São Tomé and Príncipe

Average temperature in July - Porto Alegre, São Tomé and Príncipe
  • Average high temperature in July: 24.5°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).

  • Average low temperature in July: 23°C

The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in July
Porto Alegre, São Tomé and Príncipe

Average pressure in July - Porto Alegre, São Tomé and Príncipe
  • Average pressure in July: 1014.3mbar

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).

Average wind speed in July
Porto Alegre, São Tomé and Príncipe

Average wind speed in July - Porto Alegre, São Tomé and Príncipe
  • Average wind speed in July: 17.7km/h

The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).

Average humidity in July
Porto Alegre, São Tomé and Príncipe

Average humidity in July - Porto Alegre, São Tomé and Príncipe
  • Average humidity in July: 82%

The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).

Average rainfall in July
Porto Alegre, São Tomé and Príncipe

Average rainfall in July - Porto Alegre, São Tomé and Príncipe
  • Average rainfall in July: 9mm

The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in July
Porto Alegre, São Tomé and Príncipe

Average rainfall days in July - Porto Alegre, São Tomé and Príncipe
  • Average rainfall days in July: 8.4 days

The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).

Average daylight in July /
Average sunshine in July
Porto Alegre, São Tomé and Príncipe

Average daylight in July / Average sunshine in July - Porto Alegre, São Tomé and Príncipe
  • Average daylight in July: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are March and September (Average daylight: 12h and 6min).

  • Average sunshine in July: 6h and 0min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).

Average sunshine days in July
Porto Alegre, São Tomé and Príncipe

Average sunshine days in July - Porto Alegre, São Tomé and Príncipe
  • Average sunshine days in July: 14.8 days

The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).

Average UV index in July
Porto Alegre, São Tomé and Príncipe

Average UV index in July - Porto Alegre, São Tomé and Príncipe
  • Average UV index in July: 5

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in July
Porto Alegre, São Tomé and Príncipe

Average cloud cover in July - Porto Alegre, São Tomé and Príncipe
  • Average cloud cover in July: 57

The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).

Average visibility in July
Porto Alegre, São Tomé and Príncipe

Average visibility in July - Porto Alegre, São Tomé and Príncipe
  • Average visibility in July: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).

Porto Alegre, São Tomé and Príncipe

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