August weather forecast
Poiso Alto, São Tomé and Príncipe

englishespañol中文
Share

Weather in August

August signals a reversal in trend after the anomalous dry spell in Poiso Alto, São Tomé and Príncipe. The humid tropical weather resurfaces with an increase in temperature, wind speed, and rainfall frequency. Cloud cover skyrockets to 65%, significantly reducing the duration of bright and clear days. Despite the increase, the rainfall remains humble at 21mm (0.83"), portraying how August, while paving the way for a wetter time, represents only the beginning of the transition.

Temperature

August's onset records a minor alteration in the average high-temperature to a still warm 24.8°C (76.6°F) from July's 24.5°C (76.1°F). In August, Poiso Alto's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 23.2°C (73.8°F).

Humidity

August through October, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Poiso Alto, in August, it is raining for 12.8 days, with typically 21mm (0.83") of accumulated precipitation. In Poiso Alto, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

In Poiso Alto, the average length of the day in August is 12h and 8min.
On the first day of the month, sunrise is at 05:35 and sunset at 17:43. On the last day of August, sunrise is at 05:30 and sunset at 17:37 GMT.

Sunshine

The month with the least sunshine is August, with an average of 5h of sunshine.

UV index

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What is the temperature in August?

Poiso Alto in August has an average high-temperature of 24.8°C (76.6°F) and an average low-temperature of 23.2°C (73.8°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in May is calculated to be 31°C (87.8°F).

What are the most humid months in Poiso Alto?

The months with the highest humidity are August through October, with an average relative humidity of 83%.

What is the average humidity in August?

In Poiso Alto, the average relative humidity in August is 83%.

How much does it rain in August?

In August, the rain falls for 12.8 days. Throughout August, 21mm (0.83") of precipitation is accumulated.

What is the average length of the day in August in Poiso Alto?

In Poiso Alto, the average day length in August is 12h and 8min.

When are sunrise and sunset in August in Poiso Alto?

In August, on the first day of the month, sunrise is at 05:35 and sunset at 17:43. On the last day of the month, sunrise is at 05:30 and sunset at 17:37 GMT.

What is the month with the least sunshine?

With an average of 5h of sunshine, August has the least sunshine of the year.

How long on average sun shines in August in Poiso Alto?

In Poiso Alto, the average sunshine duration in August is 5h.

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in August
Poiso Alto, São Tomé and Príncipe

Average temperature in August - Poiso Alto, São Tomé and Príncipe
  • Average high temperature in August: 24.8°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 August: 23.2°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 August
Poiso Alto, São Tomé and Príncipe

Average pressure in August - Poiso Alto, São Tomé and Príncipe
  • Average pressure in August: 1014.1mbar

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 August
Poiso Alto, São Tomé and Príncipe

Average wind speed in August - Poiso Alto, São Tomé and Príncipe
  • Average wind speed in August: 17.1km/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 August
Poiso Alto, São Tomé and Príncipe

Average humidity in August - Poiso Alto, São Tomé and Príncipe
  • Average humidity in August: 83%

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 August
Poiso Alto, São Tomé and Príncipe

Average rainfall in August - Poiso Alto, São Tomé and Príncipe
  • Average rainfall in August: 21mm

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

Average rainfall days in August
Poiso Alto, São Tomé and Príncipe

Average rainfall days in August - Poiso Alto, São Tomé and Príncipe
  • Average rainfall days in August: 12.8 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 August /
Average sunshine in August
Poiso Alto, São Tomé and Príncipe

Average daylight in August / Average sunshine in August - Poiso Alto, São Tomé and Príncipe
  • Average daylight in August: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).

  • Average sunshine in August: 5h 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 August
Poiso Alto, São Tomé and Príncipe

Average sunshine days in August - Poiso Alto, São Tomé and Príncipe
  • Average sunshine days in August: 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 August
Poiso Alto, São Tomé and Príncipe

Average UV index in August - Poiso Alto, São Tomé and Príncipe
  • Average UV index in August: 6

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 August
Poiso Alto, São Tomé and Príncipe

Average cloud cover in August - Poiso Alto, São Tomé and Príncipe
  • Average cloud cover in August: 65

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 August
Poiso Alto, São Tomé and Príncipe

Average visibility in August - Poiso Alto, São Tomé and Príncipe
  • Average visibility in August: 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).

Poiso Alto, São Tomé and Príncipe

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location