Climate and monthly weather forecast
Santa Clotilde, São Tomé and Príncipe

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The climate of Santa Clotilde

Santa Clotilde in São Tomé and Príncipe carries the Köppen climate classification of As, signifying a tropical savanna climate, with a pronounced 'summer' dry season. Here, weather is broadly distinguished into wet and dry seasons.

Average high temperatures oscillate subtly from 24.5°C (76.1°F) to 28.8°C (83.8°F), making for tropical warmth all year round. Minimum temperatures, too, see a narrow variation; from 23°C (73.4°F) to 27.5°C (81.5°F). Collectively, temperature stays within a fairly steady bandwith, typically well into the upper twenties Celsius.

Humidity, albeit high throughout the year, experiences a slight increment from 76% to 83% relative humidity in the period from January to December. Rainfall, on the other hand, fluctuates significantly, collecting volume between a meager 9mm (0.35") in July to a generous 224mm (8.82") in November. The number of rainfall days follows the same pattern, rising from 7.3 days in June to 28.6 days in December.

Wind speed also varies, with slower breeze at 10.8km/h (6.7mph) in December and stronger winds at 17.7km/h (11mph) in July. Concurrently, the UV index stays mostly consistent at 7, with a slight dip to 5 and 6 during the mid-year months.

The best time to visit Santa Clotilde

The dry season months of May through August are unquestionably the best for visiting Santa Clotilde. This period is pinpointed by a substantial drop in rainfall and rainfall days, with the precipitation volume sinking to just 9mm (0.35") from 122mm (4.8") the preceding month and the number of rainy days halving. Clear conditions are also illustrated by lower cloud cover percentages, facilitating increased visibility for perfect views.

The worst time to visit Santa Clotilde

In contrast, the months of November and December, regarded as the peak rainy season, are not recommended for travel. During this time, rainfall levels escalate to over 220mm (8.66") and the number of rainy days exacerbates to excess of 26. The combination of these factors turns navigating through the city a challenging endeavour.

Spring weather in Santa Clotilde

Santa Clotilde springs are wet and humid. April to June sees temperatures of 27.8°C (82°F) to 25.6°C (78.1°F), making for a pleasantly warm climate. During this time, rainfall slowly begins to decrease from 122mm (4.8") to 22mm (0.87") and the number of rainy days also drops from 20.5 to 7.3 days.

Summer weather in Santa Clotilde

The months of July through September bring summer and subsequently the driest season, with rainfall volume remarkably plummeting to a mere 9mm (0.35") in July. The temperatures, however, remain fairly stable though on the cooler side, ranging between 24.5°C (76.1°F) and 25.5°C (77.9°F) and sunshine hours increase slightly to 6 in July, making outdoor activities pleasant.

Autumn weather in Santa Clotilde

Fall, from October to December, is marked by a rapid increase in rainfall, rising to a whopping 224mm (8.82") in November. The number of rainy days echoes this trend, with a steady increase from 15.8 in October to 28.6 in December. The temperature, meanwhile, stays comfortably warm between a span of 26.4°C (79.5°F) to 27.5°C (81.5°F).

Winter weather in Santa Clotilde

The winter months of January to March are quite warm and humid, with temperatures hovering around 28°C (82.4°F) and significant rainfall levels ranging from 100mm (3.94") to 130mm (5.12"). The number of rainy days averages over 24 and relative humidity begins at a high note of 77%, making it certainly feel like a tropical winter.

Weather in January

Despite the harshest of winter months elsewhere, Santa Clotilde, São Tomé and Príncipe, presents an overall warm and humid ambiance. Contrastingly, January records the highest atmospheric pressure at 1010.7mb, impacting weather conditions by maintaining the temperatures steady while infusing a certain calm in the environment. Weather in January »

Weather in February

In Santa Clotilde, São Tomé and Príncipe, February brings a slight decrease in temperature compared to January. However, February signals a drop in the atmospheric pressure to 1009.8mb, the slight fluctuation from the previous month being virtually imperceptible, keeping the weather consistent. Weather in February »

Weather in March

March in Santa Clotilde, São Tomé and Príncipe, witnesses a little rise in temperatures and minor variations in other meteorological factors compared to February. With 119mm (4.69") rainfall, March registers a slightly elevated downpour as compared to the past month. Weather in March »

Weather in April

The month of April embraces Santa Clotilde, São Tomé and Príncipe, with an almost identical climate from March, with a minor decrease in temperatures. This period witnesses a slight decrease in the average rainfall with 126mm (4.96") precipitation. Weather in April »

Weather in May

May takes over the São Tomé and Príncipe's island city of Santa Clotilde from April, offering a synchronous blend of climatic factors. However, May sees a marginal decrease in temperature to 27.8°C (82°F). Solace is found in the subtle reduction of rainfall from the previous month. Weather in May »

Weather in June

As June pervades Santa Clotilde, São Tomé and Príncipe, it ushers in a significant drop in rainfall to 22mm (0.87"), making it among the driest months. Temperatures experience a decrease to 25.6°C (78.1°F), civilian lives see some respite from the preceding month's weather. Weather in June »

Weather in July

Continuing the pattern from June, July in Santa Clotilde, São Tomé and Príncipe, escalates the gentle drop further in the rainfall and temperature domain. This modest decline continues, but July registers the highest wind gust at 24.2km/h (15mph), adding a distinctive shade to the weather character. Weather in July »

Weather in August

August marks a shift in Santa Clotilde, São Tomé and Príncipe's weather scenario, characterized by a slight increase in various components. With an increase in relative humidity to 83%, August is one of the most humid months. Weather in August »

Weather in September

September in Santa Clotilde, São Tomé and Príncipe, signals a fresh wave of climbing temperatures. A fractional increase in the average temperature is noticeable, with amendments in other parameters being practically negligible. Weather in September »

Weather in October

October in Santa Clotilde, São Tomé and Príncipe, sees an abrupt rise in rainfall to 220mm (8.66"). This upsurge transforms the city into a downpour landscape. Despite the bump in rainfall, fluctuations in temperature, wind speed, and atmospheric pressure remain unaltered. Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Santa Clotilde, São Tomé and Príncipe, with an average temperature varying between 26.2°C (79.2°F) and 27.1°C (80.8°F). November's average high-temperature is a still warm 27.1°C (80.8°F), maintaining a close comparison with October's 26.4°C (79.5°F). Weather in November »

Weather in December

December brings the year to a close in Santa Clotilde, São Tomé and Príncipe, with a pattern similar to November. Recognizable are the minor enhancements in nearly all parameters. Although the temperature difference registered now is fractionally up from the previous month, the month experiences a downslide in the rainfall to 159mm (6.26"). Weather in December »
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Frequently asked questions

How much does it rain in Santa Clotilde?

In Santa Clotilde, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

What is the month with the shortest days in Santa Clotilde?

The months with the shortest days in Santa Clotilde, São Tomé and Príncipe, are January, November and December, with an average of 12h and 6min of daylight.

When is the highest UV index in Santa Clotilde?

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

What month has the most sunshine in Santa Clotilde?

The month with the most sunshine in Santa Clotilde, São Tomé and Príncipe, is February, with an average of 8.6h of sunshine.

What are the warmest months in Santa Clotilde?

March is the warmest month in Santa Clotilde, São Tomé and Príncipe, with an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 27.5°C (81.5°F).

What is the least humid month in Santa Clotilde?

The least humid month is March, with an average relative humidity of 76%.

When are the longest days in Santa Clotilde?

June has the longest days of the year, with an average of 12h and 6min of daylight.

What time of the year is the coldest in Santa Clotilde?

In Santa Clotilde, the average lowest temperatures are observed in July, with a high of 24.5°C (76.1°F) and a low of 23°C (73.4°F).

What is the driest month in Santa Clotilde?

July is the month with the least rainfall in Santa Clotilde. Rain falls for 8.4 days and accumulates 9mm (0.35") of precipitation.

When is the lowest UV index in Santa Clotilde?

July is the month with the lowest UV index, with an average maximum UV index of 5.

What is the most humid month in Santa Clotilde?

The months with the highest humidity in Santa Clotilde, São Tomé and Príncipe, are August through October, with an average relative humidity of 83%.

What is the month with the least sunshine in Santa Clotilde?

With an average of 5h of sunshine, August has the least sunshine of the year in Santa Clotilde, São Tomé and Príncipe.

What is the rainiest month in Santa Clotilde?

November is the month with the most rainfall in Santa Clotilde, São Tomé and Príncipe. Rain falls for 26.7 days and accumulates 224mm (8.82") of precipitation.

Is there Daylight Saving Time (DST) in Santa Clotilde?

Santa Clotilde does not utilize Daylight Saving Time (DST). GMT timezone is used throughout the entire year.

Average temperature
Santa Clotilde, São Tomé and Príncipe

Average temperature - Santa Clotilde, São Tomé and Príncipe

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).

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).

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Average pressure
Santa Clotilde, São Tomé and Príncipe

Average pressure - Santa Clotilde, São Tomé and Príncipe

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).

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Average wind speed
Santa Clotilde, São Tomé and Príncipe

Average wind speed - Santa Clotilde, São Tomé and Príncipe

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).

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Average humidity
Santa Clotilde, São Tomé and Príncipe

Average humidity - Santa Clotilde, São Tomé and Príncipe

The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).

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Average rainfall
Santa Clotilde, São Tomé and Príncipe

Average rainfall - Santa Clotilde, São Tomé and Príncipe

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

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Average rainfall days
Santa Clotilde, São Tomé and Príncipe

Average rainfall days - Santa Clotilde, São Tomé and Príncipe

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).

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Average daylight / Average sunshine
Santa Clotilde, São Tomé and Príncipe

Average daylight / Average sunshine - Santa Clotilde, São Tomé and Príncipe

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).

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).

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Average sunshine days
Santa Clotilde, São Tomé and Príncipe

Average sunshine days - Santa Clotilde, São Tomé and Príncipe

The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).

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Average UV index
Santa Clotilde, São Tomé and Príncipe

Average UV index - Santa Clotilde, São Tomé and Príncipe

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).

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Average visibility
Santa Clotilde, São Tomé and Príncipe

Average visibility - Santa Clotilde, São Tomé and Príncipe

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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Santa Clotilde, São Tomé and Príncipe

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