Climate and monthly weather forecast
Bela Vista, São Tomé and Príncipe

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The climate of Bela Vista

Bela Vista, São Tomé and Príncipe, is positioned in the tropical zone and is marked by an As climate type according to the Köppen system. Specifically, this means it experiences a tropical wet and dry or savanna climate with a summer dry season. Averaged over the year, the temperature varies between 23°C (73.4°F) and 28.8°C (83.8°F). The most remarkable characteristic is the strong constancy in the temperatures; fluctuations are minor, ranging from 23°C (73.4°F) to 28.8°C (83.8°F).

Regarding rainfall, it ranges from a low of 9mm (0.35") to a high of 224mm (8.82"), displaying significant fluctuations over the year. There are long spells of high precipitation, particularly from March to May and October to December, with rainfall exceeding 100mm (3.94"). The highest rainfall is recorded in November at 224mm (8.82"), while the lowest is in July at 9mm (0.35").

The relative humidity is constantly high throughout the year, fluctuating between 76% and 83%. It should also be mentioned that the hours of daylight and sunshine recorded remain steady at 12.1 hours and 5 to 8.6 hours, respectively, indicating a fairly stable pattern.

The best time to visit Bela Vista

Judging from the climatological data, the best time to visit Bela Vista is from June to September. These months offer relatively dry conditions, with rainfall decreasing to 21mm (0.83") and 35mm (1.38") in August and September, respectively. The temperatures during this period are quite comfortable, ranging from 23°C (73.4°F) to 27.8°C (82°F). Moreover, the number of sunshine days increases, providing better conditions for outdoor activities.

The worst time to visit Bela Vista

The least favourable time to visit Bela Vista is from March to May and then again from October to December. These periods witness high amounts of rainfall, with November clocking in a maximum of 224mm (8.82"). The vacations during these months might be interrupted by frequent rain spells. High levels of cloud cover are also expected during these months, limiting sunshine hours.

Spring weather in Bela Vista

The spring period in Bela Vista, which falls around March to May, sees a rise in temperature, peaking at 28.6°C (83.5°F). However, this period also witnesses an increase in rainfall, with amounts reaching 126mm (4.96") in April. The number of rainy days increases to an average of 22 days in April, reducing the number of sunshine hours.

Summer weather in Bela Vista

During the summer months of June to September, Bela Vista experiences drier conditions with a significant drop in rainfall. In contrast to the previous months, June records as little as 22mm (0.87") of rainfall. This period also brings about a dip in the temperatures, offering a milder climate with values fluctuating between 23 to 27.8°C (82°F).

Autumn weather in Bela Vista

The autumn months, from October to November, record a further decrease in temperature, with November registering an average temperature of 27.1°C (80.8°F). However, this period also marks the return of the rainy season, with rainfall amounts shooting up to 224mm (8.82") in November. The number of sunshine hours also decreases, resulting in cloudier conditions.

Winter weather in Bela Vista

The winter months in Bela Vista are warm with temperatures fluctuating between 24.6°C (76.3°F) to 28°C (82.4°F). While December sees a continuation of high rainfall amounts with 159mm (6.26"), rainfall slowly decreases to 100mm (3.94") in February, resulting in relatively drier conditions. It is remarkable that this period shows an increase in the number of sunshine hours, ranging from 7 to 8.2 hours per day.

Weather in January

Bela Vista, São Tomé, and Príncipe begin the year with a relatively warm climate, exhibiting a continuation of December's atmospheric tendencies. The humidity remains at 77% relative, a trait consistent with the island's tropical maritime climate. Weather in January »

Weather in February

The tropical setting of Bela Vista, São Tomé, and Príncipe persists into February, creating an inviting environment for various activities. The conditions notably share a marked similarity with those of January, maintaining a constant path in the atmospheric journey. Weather in February »

Weather in March

As the year progresses, the weather in Bela Vista, São Tomé, and Príncipe encounters slight enhancements. The wind speed increments slightly to reach 11.7km/h (7.3mph), offering a refreshing impact on the prevalent high temperatures. Weather in March »

Weather in April

April in Bela Vista, São Tomé, and Príncipe brings about a mild departure from the preceding atmospheric conditions. The rainfall peaks marginally, achieving about 126mm (4.96"), and coupling with the prevailing high humidity, it underscores the tropical nature of the climate. Weather in April »

Weather in May

The climate of Bela Vista, São Tomé, and Príncipe in May undergoes noticeable changes. Winds intensify compared to preceding months, surging to 13km/h (8.1mph), tempering the prevalent high temperatures. Consequentially, the tropical ambiance of the region transitions smoothly toward the mid-year period dominated by slightly enhanced cloud coverage at 44%. Weather in May »

Weather in June

Bela Vista's weather in June exhibits a significant departure from the established pattern. Notably, rainfall substantially declines to just 22mm (0.87") in the month, a considerable variation from the preceding months dominated by high rainfall. Weather in June »

Weather in July

The seventh month of the year in Bela Vista, São Tomé, and Príncipe boasts noticeably different climatic conditions. Displaying a significant decline in rainfall—a total of 9mm (0.35")—the weather in July becomes particularly unique. Weather in July »

Weather in August

August in Bela Vista, São Tomé, and Príncipe brings about a subtle advancement in atmospheric conditions. Notably, rainfall augments slightly, reaching a total of 21mm (0.83"). Despite being lower than the early-year months, this increase signifies the transition to the latter part of the year known for substantial precipitation. Weather in August »

Weather in September

As Bela Vista, São Tomé, and Príncipe move into the September phase, changes in weather dynamics become more evident. This can be attributed to the significant increase in rainfall, mounting to 35mm (1.38"), indicating a shift to the rainy part of the year. Weather in September »

Weather in October

Bela Vista, São Tomé, and Príncipe in October embrace a set of discernible transformations in climate. Markedly, rainfall surges to a whopping 220mm (8.66"), marking the arrival of the peak rainy season. The persistent cloud coverage of 53%, despite the heightened precipitation, permits up to 6.7 hours of sunshine, suitable for outdoor activities. Weather in October »

Weather in November

The penultimate month of the year in Bela Vista, São Tomé, and Príncipe celebrate a series of notable inconsistencies weather-wise. There's a slight elevation in rainfall as it clinches a total of 224mm (8.82"), slight increments from October. Weather in November »

Weather in December

Bela Vista, São Tomé, and Príncipe experience a mellow transition into the last month of the year. The rainfall decreases to 159mm (6.26"), bidding a gradual farewell to the intense rainy season. The arrival of the month sees a moderate descent in wind speed to 10.8km/h (6.7mph), mirroring the easing atmospheric aggression. Weather in December »

Frequently asked questions

How much does it rain in Bela Vista?

In Bela Vista, 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 highest UV index in Bela Vista?

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

What month has the most sunshine in Bela Vista?

With an average of 8.6h of sunshine, February has the most sunshine of the year.

What part of the year is the hottest in Bela Vista?

March registers as the month with the average highest temperatures, reaching 28.8°C (83.8°F) at its peak and 27.5°C (81.5°F) at the lowest.

What is the least humid month in Bela Vista?

The least humid month in Bela Vista, São Tomé and Príncipe, is March, with an average relative humidity of 76%.

When are the longest days in Bela Vista?

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

What is the coldest time of year in Bela Vista?

July is the month when Bela Vista, São Tomé and Príncipe, experiences its coldest temperatures, averaging a high of 24.5°C (76.1°F) and a low of 23°C (73.4°F).

What is the driest month in Bela Vista?

The month with the least rainfall is July, when the rain falls for 8.4 days and typically collects 9mm (0.35") of precipitation.

What is the month with the lowest UV index in Bela Vista?

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

What are the most humid months in Bela Vista?

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

What is the month with the least sunshine in Bela Vista?

With an average of 5h of sunshine, August has the least sunshine of the year in Bela Vista.

What is the wettest month in Bela Vista?

November is the month with the most rainfall. Rain falls for 26.7 days and accumulates 224mm (8.82") of precipitation.

What is the month with the shortest days in Bela Vista?

With an average of 12h and 6min of daylight, December has the shortest days of the year in Bela Vista.

Is there Daylight Saving Time (DST) in Bela Vista?

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

Average temperature
Bela Vista, São Tomé and Príncipe

Average temperature - Bela Vista, 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).

Average pressure
Bela Vista, São Tomé and Príncipe

Average pressure - Bela Vista, 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).

Average wind speed
Bela Vista, São Tomé and Príncipe

Average wind speed - Bela Vista, 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).

Average humidity
Bela Vista, São Tomé and Príncipe

Average humidity - Bela Vista, 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%).

Average rainfall
Bela Vista, São Tomé and Príncipe

Average rainfall - Bela Vista, São Tomé and Príncipe

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

Average rainfall days
Bela Vista, São Tomé and Príncipe

Average rainfall days - Bela Vista, 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).

Average daylight / Average sunshine
Bela Vista, São Tomé and Príncipe

Average daylight / Average sunshine - Bela Vista, São Tomé and Príncipe

The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is 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).

Average sunshine days
Bela Vista, São Tomé and Príncipe

Average sunshine days - Bela Vista, 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).

Average UV index
Bela Vista, São Tomé and Príncipe

Average UV index - Bela Vista, 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).

Average cloud cover
Bela Vista, São Tomé and Príncipe

Average cloud cover - Bela Vista, São Tomé and Príncipe

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
Bela Vista, São Tomé and Príncipe

Average visibility - Bela Vista, 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).

Bela Vista, São Tomé and Príncipe

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