July weather forecast
Santo Antonio, São Tomé and Príncipe

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Weather in July

July experiences the driest weather conditions in Santo Antonio, recording an incredibly low rainfall of only 21mm (0.83"). Contrasted with June, July is notably drier yet maintains a similar temperature profile. Daylight hours from 12.2h to 12h, slightly decrease, yet remain sufficient for outdoor activities. Regardless of the reduction in rain, humidity remains relatively high at 83%. The UV index in July mirrors the values from June, not alluding any ease for sun protection.

Temperature

July is the coldest month, with an average high-temperature of 26.8°C (80.2°F) and an average low-temperature of 20.2°C (68.4°F).

Humidity

The months with the lowest humidity in Santo Antonio are June through August, with an average relative humidity of 83%.

Rainfall

July is the month with the least rainfall. Rain falls for 14 days and accumulates 21mm (0.83") of precipitation.

Sea temperature

The months with the coldest seawater in Santo Antonio are July through September, with an average sea temperature of 26°C (78.8°F).
Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

The average length of the day in July is 12h and 13min.
On the first day of the month, sunrise is at 05:27 and sunset at 17:40. On the last day of July, sunrise is at 05:31 and sunset at 17:42 GMT.

Sunshine

In Santo Antonio, São Tomé and Príncipe, the average sunshine in July is 3h.

UV index

The months with the lowest UV index are June, July and December, with an average maximum UV index of 11. A UV Index of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 11 translates into these guidelines:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. 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. Always opt for UVA and UVB-resistant sunglasses on radiant days. Even when it's cloudy, ensure the generous application and frequent reapplication of a sunscreen with at least 30 SPF, particularly post swim or outdoor activity. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
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Frequently asked questions

What is the coldest time of year in Santo Antonio?

Santo Antonio experiences its lowest temperatures in July, with an average peak of 26.8°C (80.2°F) and a low of 20.2°C (68.4°F).

What are July temperatures in Santo Antonio?

The average high-temperature and low-temperature during July are 26.8°C (80.2°F) and 20.2°C (68.4°F) respectively. In June, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 32°C (89.6°F).

What is the least humid month in Santo Antonio?

The months with the lowest humidity in Santo Antonio, São Tomé and Príncipe, are June through August, with an average relative humidity of 83%.

What is the average humidity in July in Santo Antonio?

In Santo Antonio, São Tomé and Príncipe, the average relative humidity in July is 83%.

What is the driest month in Santo Antonio?

July is the month with the least rainfall in Santo Antonio. Rain falls for 14 days and accumulates 21mm (0.83") of precipitation.

How many days does it rain in July in Santo Antonio?

In July, in Santo Antonio, São Tomé and Príncipe, the rain falls for 14 days. Throughout July, 21mm (0.83") of precipitation is accumulated.

When is the sea coldest in Santo Antonio?

July through September, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Santo Antonio.

What is the sea water temperature in July in Santo Antonio?

In Santo Antonio, São Tomé and Príncipe, the average seawater temperature in July is 26°C (78.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in July in Santo Antonio?

In Santo Antonio, the average day length in July is 12h and 13min.

What time are sunrise and sunset in July in Santo Antonio?

In July, on the first day of the month, sunrise is at 05:27 and sunset at 17:40. On the last day of the month, in Santo Antonio, sunrise is at 05:31 and sunset at 17:42 GMT.

How long on average sun shines in July in Santo Antonio?

In July, the average sunshine duration in Santo Antonio is 3h.

When is the lowest UV index in Santo Antonio?

June, July and December, with an average maximum UV index of 11, are months with the lowest UV index in Santo Antonio.

What is the UV index intensity in July in Santo Antonio?

In Santo Antonio, the average daily maximum UV index in July is 11. A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in July
Santo Antonio, São Tomé and Príncipe

Average temperature in July - Santo Antonio, São Tomé and Príncipe
  • Average high temperature in July: 26.8°C

The warmest months (with the highest average high temperature) are February and March (29.6°C).
The month with the lowest average high temperature is July (26.8°C).

  • Average low temperature in July: 20.2°C

The month with the highest average low temperature is April (22.1°C).
The coldest month (with the lowest average low temperature) is February (20°C).

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Average humidity in July
Santo Antonio, São Tomé and Príncipe

Average humidity in July - Santo Antonio, São Tomé and Príncipe
  • Average humidity in July: 83%

The month with the highest relative humidity is October (89%).
The months with the lowest relative humidity are June, July and August (83%).

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Average rainfall in July
Santo Antonio, São Tomé and Príncipe

Average rainfall in July - Santo Antonio, São Tomé and Príncipe
  • Average rainfall in July: 21mm

The wettest month (with the highest rainfall) is October (398mm).
The driest month (with the least rainfall) is July (21mm).

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Average rainfall days in July
Santo Antonio, São Tomé and Príncipe

Average rainfall days in July - Santo Antonio, São Tomé and Príncipe
  • Average rainfall days in July: 14 days

The month with the highest number of rainy days is October (25 days).
The month with the least rainy days is June (7 days).

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Average sea temperature in July
Santo Antonio, São Tomé and Príncipe

Average sea temperature in July - Santo Antonio, São Tomé and Príncipe
  • Average sea temperature in July: 26°C

The best months for swimming (with the highest average sea temperature) are February, March, April and May (29°C).
The coldest months (with the lowest average sea temperature) are July, August and September (26°C).

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Average daylight in July /
Average sunshine in July
Santo Antonio, São Tomé and Príncipe

Average daylight in July / Average sunshine in July - Santo Antonio, São Tomé and Príncipe
  • Average daylight in July: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).

  • Average sunshine in July: 3h

The months with the most sunshine are January, February, March, April, May, June, November and December (Average sunshine: 4h).
The month with the least sunshine is September (Average sunshine: 2h).

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Average UV index in July
Santo Antonio, São Tomé and Príncipe

Average UV index in July - Santo Antonio, São Tomé and Príncipe
  • Average UV index in July: 11

The months with the highest UV index are January, February, March, April, May, August, September, October and November (UV index 12).
The months with the lowest UV index are June, July and December (UV index 11).

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Santo Antonio, São Tomé and Príncipe

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