August weather forecast and climate
Rio Bom, Portugal

Weather in August

August, the last month of the summer, in Rio Bom, is also a moderately hot month, with average temperature fluctuating between 29.1°C (84.4°F) and 13.1°C (55.6°F).

Temperature

August is the warmest month, with an average high-temperature of 29.1°C (84.4°F) and an average low-temperature of 13.1°C (55.6°F).

Heat index

The average heat index is evaluated at a hot 30.6°C (87.1°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, pregnancy, and differences in body mass, height, and shape affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

With an average relative humidity of 56%, August is the least humid month.

Rainfall

Months with the least rainfall in Rio Bom are July and August Rain falls for 3.8 days and accumulates 11mm (0.43") of rain.

Snowfall

March through December are months without snowfall.

Daylight

In Rio Bom, the average length of the day is 13.8h.

Sunshine

In Rio Bom, the average sunshine is 11.4h.

UV index

In August, the average daily maximum UV index in Rio Bom is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Rio Bom?

The warmest month in Rio Bom, Portugal, is August, with an average high-temperature of 29.1°C (84.4°F) and an average low-temperature of 13.1°C (55.6°F).

What is the temperature in August in Rio Bom?

In Rio Bom, in August, the average high-temperature is 29.1°C (84.4°F), and the average low-temperature is 13.1°C (55.6°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, in August is estimated at 30.6°C (87.1°F).

What is the least humid month in Rio Bom?

The least humid month in Rio Bom, Portugal, is August, with an average relative humidity of 56%.

What is the average humidity in August in Rio Bom?

In August, the average relative humidity in Rio Bom, Portugal, is 56%.

How many days does it rain in August in Rio Bom?

In Rio Bom, Portugal, in August, it is raining for 3.8 days, with typically 11mm (0.43") of accumulated precipitation.

What is the driest month in Rio Bom?

July and August are months with the least rain in Rio Bom when the rain falls for 3.8 days and typically aggregates up to 11mm (0.43") of rain.

When it does not snow in Rio Bom?

In Rio Bom snow does not fall in March through December.

What is the average length of the day in August in Rio Bom?

The average length of the day in August in Rio Bom is 13.8h.

How many hours of sunshine does Rio Bom have in August?

The average sunshine in August is 11.4h.

What is the UV index intensity in August in Rio Bom?

In Rio Bom, Portugal, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in August
Rio Bom, Portugal

Average temperature in August - Rio Bom, Portugal
  • Average high temperature in August: 29.1°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in August: 13.1°C

Months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

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Average pressure in August
Rio Bom, Portugal

Average pressure in August - Rio Bom, Portugal
  • Average pressure in August: 1017.2mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in August
Rio Bom, Portugal

Average wind speed in August - Rio Bom, Portugal
  • Average wind speed in August: 7.1km/h

The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest months (with the lowest average wind speed) are September and October (6.5km/h).

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Average humidity in August
Rio Bom, Portugal

Average humidity in August - Rio Bom, Portugal
  • Average humidity in August: 56%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in August
Rio Bom, Portugal

Average rainfall in August - Rio Bom, Portugal
  • Average rainfall in August: 11mm

The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).

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Average rainfall days in August
Rio Bom, Portugal

Average rainfall days in August - Rio Bom, Portugal
  • Average rainfall days in August: 3.8 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).

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Average snowfall in August
Rio Bom, Portugal

Average snowfall in August - Rio Bom, Portugal
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (5mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in August
Rio Bom, Portugal

Average snowfall days in August - Rio Bom, Portugal
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Rio Bom, Portugal

Average daylight in August / Average sunshine in August - Rio Bom, Portugal
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 11.4h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.4h).

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Average sunshine days in August
Rio Bom, Portugal

Average sunshine days in August - Rio Bom, Portugal
  • Average sunshine days in August: 25.5 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).

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Average UV index in August
Rio Bom, Portugal

Average UV index in August - Rio Bom, Portugal
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Rio Bom, Portugal

Average cloud cover in August - Rio Bom, Portugal
  • Average cloud cover in August: 16

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in August
Rio Bom, Portugal

Average visibility in August - Rio Bom, Portugal
  • Average visibility in August: 10km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).

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