August weather forecast
Ribeira Afonso, São Tomé and Príncipe

August

Weather in August

August signals a shift towards more humid conditions in Ribeira Afonso. Albeit a marginal increase, temperatures reach a high of 24.8°C (76.6°F) while rainfall elevates to 21mm (0.83"). The relative humidity peaks further at 83%, creating a more moist environment that can be felt in the air. The increase in humidity aligns with the beginning of the monsoon season. Residents and visitors can enjoy the lush greenery fostered by the wet and humid conditions.

Temperature

Ribeira Afonso notes an average high-temperature of a still warm 24.8°C (76.6°F) in August, displaying minor variation from July. The month of August shows a minor drop from daytime temperatures, generally recording a low average of 23.2°C (73.8°F).

Humidity

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

Rainfall

In Ribeira Afonso, during August, the rain falls for 12.8 days and regularly aggregates up to 21mm (0.83") of precipitation. In Ribeira Afonso, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

The average length of the day in August is 12h and 7min.
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 05:29 and sunset at 17:36 GMT.

Sunshine

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

UV index

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, an average UV index of 6 transforms into the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What are the temperatures in Ribeira Afonso in August?
The average high-temperature and low-temperature during August are 24.8°C (76.6°F) and 23.2°C (73.8°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in May is evaluated at 31°C (87.8°F).
What are the most humid months?
August through October, with an average relative humidity of 83%, are most humid months.
What is the average humidity in August?
In August, the average relative humidity is 83%.
How much does it rain in August?
In Ribeira Afonso, in August, it is raining for 12.8 days, with typically 21mm (0.83") of accumulated precipitation.
How many hours of daylight does Ribeira Afonso have in August?
In Ribeira Afonso, São Tomé and Príncipe, the average day length in August is 12h and 7min.
When are sunrise and sunset in August?
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 05:29 and sunset at 17:36 GMT.
What is the month with the least sunshine?
The month with the least sunshine is August, with an average of 5h of sunshine.
How long on average sun shines in August?
In Ribeira Afonso, the average sunshine duration in August is 5h.
How high is the UV index in August?
In Ribeira Afonso, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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 February and October (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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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
Ribeira Afonso, 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).

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