October weather forecast
Ribeira Afonso, São Tomé and Príncipe

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Weather in October

October stands out in the weather calendar of Ribeira Afonso. It records the highest rainfall in the year at 220mm (8.66"). Along with this, it also marks the beginning of the wettest quarter of the year. Temperatures marginally increase between 25.5°C (77.9°F) to 26.4°C (79.5°F) while relative humidity remains constant at 83%. Despite the heightened rainfall, the city continues to bask under 12.1 hours of daylight.

Temperature

The initiation of October in Ribeira Afonso records an average high-temperature of a still moderately hot 26.4°C (79.5°F), displaying a near consistency with the previous month. The low temperature average during October reflects a slight decrease to a still moderately hot 25.5°C (77.9°F) from the day's peak.

Humidity

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

Rainfall

In October, the rain falls for 24.7 days. Throughout October, 220mm (8.66") of precipitation is accumulated. In Ribeira Afonso, São Tomé and Príncipe, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

The months with the shortest days are February and October, with an average of 12h and 6min of daylight.
On the first day of October, sunrise is at 05:19 and sunset at 17:26. On the last day of the month, sunrise is at 05:13 and sunset at 17:20 GMT.

Sunshine

In Ribeira Afonso, the average sunshine in October is 6.7h.

UV index

The months with the highest UV index are January through May, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 7 in October transforms into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What is the usual temperature for Ribeira Afonso in October?

The average high-temperature, in October, in Ribeira Afonso, is 26.4°C (79.5°F), while the average low-temperature is 25.5°C (77.9°F). 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 is the most humid month?

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

What is the average humidity in October?

In Ribeira Afonso, the average relative humidity in October is 83%.

How much does it rain in October?

In October, the rain falls for 24.7 days. Throughout October, 220mm (8.66") of precipitation is accumulated.

What are the months with the shortest days?

The months with the shortest days are February and October, with an average of 12h and 6min of daylight.

How many hours of daylight does Ribeira Afonso have in October?

The average day length in October is 12h and 7min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 05:19 and sunset at 17:26. On the last day of the month, sunrise is at 05:13 and sunset at 17:20 GMT.

How long on average sun shines in October?

In Ribeira Afonso, the average sunshine duration in October is 6.7h.

What are the months with the highest UV index in Ribeira Afonso?

The months with the highest UV index are January through May, October through December, with an average maximum UV index of 7.

What is the UV index intensity in October?

In October, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Average temperature in October
Ribeira Afonso, São Tomé and Príncipe

Average temperature in October - Ribeira Afonso, São Tomé and Príncipe
  • Average high temperature in October: 26.4°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 October: 25.5°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 October
Ribeira Afonso, São Tomé and Príncipe

Average pressure in October - Ribeira Afonso, São Tomé and Príncipe
  • Average pressure in October: 1011.4mbar

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 October
Ribeira Afonso, São Tomé and Príncipe

Average wind speed in October - Ribeira Afonso, São Tomé and Príncipe
  • Average wind speed in October: 14.2km/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 October
Ribeira Afonso, São Tomé and Príncipe

Average humidity in October - Ribeira Afonso, São Tomé and Príncipe
  • Average humidity in October: 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 October
Ribeira Afonso, São Tomé and Príncipe

Average rainfall in October - Ribeira Afonso, São Tomé and Príncipe
  • Average rainfall in October: 220mm

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

Average rainfall days in October
Ribeira Afonso, São Tomé and Príncipe

Average rainfall days in October - Ribeira Afonso, São Tomé and Príncipe
  • Average rainfall days in October: 24.7 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 October /
Average sunshine in October
Ribeira Afonso, São Tomé and Príncipe

Average daylight in October / Average sunshine in October - Ribeira Afonso, São Tomé and Príncipe
  • Average daylight in October: 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 October: 6h and 4min

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 October
Ribeira Afonso, São Tomé and Príncipe

Average sunshine days in October - Ribeira Afonso, São Tomé and Príncipe
  • Average sunshine days in October: 2.7 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 October
Ribeira Afonso, São Tomé and Príncipe

Average UV index in October - Ribeira Afonso, São Tomé and Príncipe
  • Average UV index in October: 7

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 October
Ribeira Afonso, São Tomé and Príncipe

Average cloud cover in October - Ribeira Afonso, São Tomé and Príncipe
  • Average cloud cover in October: 53

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 October
Ribeira Afonso, São Tomé and Príncipe

Average visibility in October - Ribeira Afonso, São Tomé and Príncipe
  • Average visibility in October: 9km

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).

Ribeira Afonso, São Tomé and Príncipe

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