Climate and monthly weather forecast
Santo Antonio, São Tomé and Príncipe

Weather in January

January, the same as December, is another warm winter month in Santo Antonio, São Tomé and Príncipe, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 22°C (71.6°F). In Santo Antonio, the average high-temperature in January is relatively the same as in December - a still moderately hot 29°C (84.2°F). Weather in January »

Weather in February

February, the last month of the winter in Santo Antonio, is another warm month, with an average temperature ranging between min 20°C (68°F) and max 29.6°C (85.3°F). February and March, with an average high-temperature of 29.6°C (85.3°F), are the warmest months. In February, the average heat index is estimated at a torrid 38.1°C (100.6°F). Weather in February »

Weather in March

The first month of the spring, March, is still a warm month in Santo Antonio, São Tomé and Príncipe, with an average temperature fluctuating between 22°C (71.6°F) and 29.6°C (85.3°F). February and March, with an average high-temperature of 29.6°C (85.3°F), are the warmest months. The average heat index in March is estimated at a very hot 38.1°C (100.6°F). Weather in March »

Weather in April

April, the same as March, is another warm spring month in Santo Antonio, São Tomé and Príncipe, with temperature in the range of an average high of 29.4°C (84.9°F) and an average low of 22.1°C (71.8°F). In April, the average high-temperature is relatively the same as in March - a still warm 29.4°C (84.9°F). Weather in April »

Weather in May

May, the last month of the spring in Santo Antonio, is another warm month, with an average temperature fluctuating between 28.8°C (83.8°F) and 21.9°C (71.4°F). In May, the average high-temperature is relatively the same as in April - a still moderately hot 28.8°C (83.8°F). Weather in May »

Weather in June

June, the first month of the summer in Santo Antonio, is also a moderately hot month, with an average temperature varying between 20.7°C (69.3°F) and 27.6°C (81.7°F). In June, the average high-temperature is almost the same as in May - a still moderately hot 27.6°C (81.7°F). Weather in June »

Weather in July

July, like June, in Santo Antonio, São Tomé and Príncipe, is a moderately hot summer month, with temperature in the range of an average low of 20.2°C (68.4°F) and an average high of 26.8°C (80.2°F). The coldest month is July, with an average high-temperature of 26.8°C (80.2°F) and an average low-temperature of 20.2°C (68.4°F). The months with the lowest humidity are June through August, with an average relative humidity of 83%. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Santo Antonio, São Tomé and Príncipe, with an average temperature fluctuating between 27.1°C (80.8°F) and 20.4°C (68.7°F). In Santo Antonio, the average high-temperature in August is relatively the same as in July - a still warm 27.1°C (80.8°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Santo Antonio, São Tomé and Príncipe, with an average temperature ranging between max 27.4°C (81.3°F) and min 21.2°C (70.2°F). In Santo Antonio, the average high-temperature in September is practically the same as in August - a still warm 27.4°C (81.3°F). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Santo Antonio, São Tomé and Príncipe, with temperature in the range of an average high of 27.5°C (81.5°F) and an average low of 21.4°C (70.5°F). In Santo Antonio, the average high-temperature in October is relatively the same as in September - a still moderately hot 27.5°C (81.5°F). Weather in October »

Weather in November

November, the last month of the autumn in Santo Antonio, is also a moderately hot month, with an average temperature fluctuating between 28.2°C (82.8°F) and 21.4°C (70.5°F). In Santo Antonio, the average high-temperature in November is practically the same as in October - a still warm 28.2°C (82.8°F). Weather in November »

Weather in December

The first month of the winter, December, is also a moderately hot month in Santo Antonio, São Tomé and Príncipe, with an average temperature ranging between max 28.6°C (83.5°F) and min 21.8°C (71.2°F). In December, the average high-temperature is relatively the same as in November - a still moderately hot 28.6°C (83.5°F). Weather in December »
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FAQ

How much does it rain in Santo Antonio?

In Santo Antonio, São Tomé and Príncipe, during the entire year, the rain falls for 188 days and collects up to 1872mm (73.7") of precipitation.

What is the month with the most sunshine in Santo Antonio?

The months with the most sunshine are January through June, November and December, with an average of 4h of sunshine.

What are the months with the highest UV index in Santo Antonio?

The months with the highest UV index in Santo Antonio, São Tomé and Príncipe, are January through May, August through November, with an average maximum UV index of 12.

What is the warmest month in Santo Antonio?

February and March, with an average high-temperature of 29.6°C (85.3°F), are warmest months in Santo Antonio.

When is the sea warmest in Santo Antonio?

February through May, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Santo Antonio.

What are the least humid months in Santo Antonio?

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

When are the longest days in Santo Antonio?

With an average of 12h and 13min of daylight, June has the longest days of the year.

What are the months with 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, São Tomé and Príncipe.

What is the coldest month in Santo Antonio?

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

What is the driest month in Santo Antonio?

The month with the least rainfall in Santo Antonio is July, when the rain falls for 14 days and typically collects 21mm (0.83") of precipitation.

What months are the sea coldest in Santo Antonio?

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

What is the month with the least sunshine in Santo Antonio?

September has the least sunshine of the year in Santo Antonio, São Tomé and Príncipe, with an average of 2h of sunshine.

What is the most humid month in Santo Antonio?

October is the most humid month in Santo Antonio, with an average relative humidity of 89%.

What is the rainiest month in Santo Antonio?

October is the month with the most rainfall. Rain falls for 25 days and accumulates 398mm (15.67") of precipitation.

What is the month with the shortest days in Santo Antonio?

With an average of 12h and 2min of daylight, December has the shortest days of the year in Santo Antonio.

Is there Daylight Saving Time (DST) in Santo Antonio?

Santo Antonio, São Tomé and Príncipe, does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.

Average temperature
Santo Antonio, São Tomé and Príncipe

Average temperature - Santo Antonio, São Tomé and Príncipe

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).

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
Santo Antonio, São Tomé and Príncipe

Average humidity - Santo Antonio, São Tomé and Príncipe

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
Santo Antonio, São Tomé and Príncipe

Average rainfall - Santo Antonio, São Tomé and Príncipe

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
Santo Antonio, São Tomé and Príncipe

Average rainfall days - Santo Antonio, São Tomé and Príncipe

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
Santo Antonio, São Tomé and Príncipe

Average sea temperature - Santo Antonio, São Tomé and Príncipe

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 / Average sunshine
Santo Antonio, São Tomé and Príncipe

Average daylight / Average sunshine - Santo Antonio, São Tomé and Príncipe

The month with the longest days is June (Average daylight: 12h and 13min).
The month with the shortest days is December (Average daylight: 12h and 2min).

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
Santo Antonio, São Tomé and Príncipe

Average UV index - Santo Antonio, São Tomé and Príncipe

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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