October weather forecast
Santa Clara, São Tomé and Príncipe

October

Weather in October

October marks the return of the rainy season in Santa Clara, with a steep increase in rainfall to 220mm (8.66"). The atmosphere turns notably wetter, and the number of rainy days double from the previous month. Despite the increment in rainfall, temperatures remain moderately warm and consistent. The occurrence of sunshine hours increases, and the winds cool down slightly. The UV index remains at 7, urging to adopt sun-safe behaviors.

Temperature

The onset of October in Santa Clara manifests an average high-temperature of a still moderately hot 26.4°C (79.5°F), demonstrating a minor variation from the preceding month. Santa Clara nights in October witness a mild cool down to an average temperature of 25.5°C (77.9°F).

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. Throughout the year, in Santa Clara, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

The average length of the day in October is 12h and 7min.
On the first day of the month, sunrise is at 05:19 and sunset at 17:26. On the last day of October, in Santa Clara, sunrise is at 05:13 and sunset at 17:20 GMT.

Sunshine

In Santa Clara, the average sunshine in October is 6.7h.

UV index

January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, the UV index of 7 transforms into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What is the usual temperature for Santa Clara in October?
The average high-temperature, in October, in Santa Clara, 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. 'real feel', '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 in Santa Clara?
August through October, with an average relative humidity of 83%, are most humid months.
What is the average humidity in October in Santa Clara?
In Santa Clara, the average relative humidity in October is 83%.
How much does it rain in Santa Clara in October?
In Santa Clara, São Tomé and Príncipe, in October, it is raining for 24.7 days, with typically 220mm (8.66") of accumulated precipitation.
What is the average length of the day in October in Santa Clara?
In October, the average day length in Santa Clara is 12h and 7min.
When is the sunrise / sunset in October in Santa Clara?
In October, on the first day of the month, sunrise is at 05:19 and sunset at 17:26. On the last day of the month, in Santa Clara, São Tomé and Príncipe, sunrise is at 05:13 and sunset at 17:20 GMT.
How many hours of sunshine does Santa Clara have in October?
In Santa Clara, the average sunshine duration in October is 6.7h.
When is the highest UV index in Santa Clara?
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index intensity in October in Santa Clara?
In Santa Clara, São Tomé and Príncipe, the average daily maximum UV index in October is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
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 October - Santa Clara, São Tomé and Príncipe
Average temperature in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average pressure in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average wind speed in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average humidity in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average rainfall in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average rainfall days in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average daylight in October /
Average sunshine in October
Santa Clara, 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 month with the shortest days is November (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 - Santa Clara, São Tomé and Príncipe
Average sunshine days in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average UV index in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average cloud cover in October
Santa Clara, 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 - Santa Clara, São Tomé and Príncipe
Average visibility in October
Santa Clara, 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).

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