The climate of Santo Antonio
Santo Antonio, based in
São Tomé and Príncipe, hosts the predominant climatic condition, "Af", under the Köppen climate classification. Bound in this geographical area, one observes the typical Tropical rainforest climate, which is characterized by high temperatures and even higher humidity levels. Looking into the yearly analysis, the monthly temperatures are consistently high throughout the year, with small variations from a minimum of 20°C (68°F) to a maximum of up to 29.6°C (85.3°F). As this is a tropical region, no major seasonal differences are witnessed in the temperature department.
Humidity in Santo Antonio fluctuates within the range from 83% to 89%. While this variation may seem narrow, it presents a significant difference when experienced in person. The highest humidity levels generally correspond to the wetter months, in sync with the annual precipitation patterns. Speaking of precipitation, the region receives an abundance of rainfall throughout the year, with exceptionally heavy rains during certain periods. Precipitation varies from a low of 21mm (0.83") in
July to a high of 398mm (15.67") in
October, which indicates harsh and intense rainy conditions during October.
The sunshine hours hold steady from 2 to a maximum of 4 hours daily. Meanwhile, the sea temperature varies from 26°C (78.8°F) to 29°C (84.2°F) providing warm water bodies throughout the year. The varying daylight hours from 12 to 12.2 hours signal minor changes across the months.
The best time to visit Santo Antonio
Taking into account various factors, including temperature, rainfall, and humidity, the best time to visit
Santo Antonio is generally from
July to
September. During these months, the temperature stabilizes between 26.8°C (80.2°F) to 27.6°C (81.7°F), accompanied by lower rainfall levels, falling between 21mm (0.83") to 89mm (3.5"). Consequently, visitors can expect lower humidity levels, from 83% to 86%, which is considerably more comfortable than during other months. With a consistent sea temperature around 26°C (78.8°F), these months are ideal for activities like swimming and other water sports.
The worst time to visit Santo Antonio
On the flip side, the period from
October to
December proves the most challenging for a visit to
Santo Antonio. Despite slightly lower temperatures, this period experiences an inundation of rainfall, peaking at a staggering 398mm (15.67") in October. This volume of rain is accompanied by a spike in humidity levels reaching up to 89%, contributing to an overall damp and uncomfortable atmosphere. Despite the sea temperature showing resilience with a consistent reading of 27°C (80.6°F), the relentless rainfall can severely limit outdoor activities and overall travel enjoyment.
Spring weather in Santo Antonio
In
Santo Antonio, the spring season, broadly defined as months from
March to
May, comes with prime tropical weather conditions. The temperature ranges from 28.8°C (83.8°F) to 29.6°C (85.3°F), while the minimum temperature stays between 21.9°C (71.4°F) to 22.1°C (71.8°F). The rainfall shows a significant increase from 186mm (7.32") in March to a high of 233mm (9.17") in
April and 229mm (9.02") in May. Simultaneously, the sunshine duration remains steady with 4 hours daily, encouraging outdoor activities when the showers break.
Summer weather in Santo Antonio
Transitioning to the summer months from
June to
August,
Santo Antonio's climate remains warm, with temperatures hovering from 26.8°C (80.2°F) to 27.6°C (81.7°F). The marked departure from summer is seen in the drop in rainfall from June's 89mm (3.5") to a minimum of 21mm (0.83") in
July before it climbs slightly to 36mm (1.42") towards August. Correspondingly, humidity decreases during these months making the weather moderately dry.
Autumn weather in Santo Antonio
As the season moves into autumn, from
September to
November, there is a slight increase in temperature with the reading from 27.4°C (81.3°F) to 27.8°C (82°F). Alongside, the precipitation level escalates, flooding up to 398mm (15.67") during
October and settling back to 174mm (6.85") in November. The high rainfall significantly impacts the humidity, which increases during these months rendering the climate quite damp and moist.
Winter weather in Santo Antonio
Wrapping up with the winter season, from
December to
February, the temperature in
Santo Antonio varies from 28.6°C (83.5°F) to 29°C (84.2°F). The rainfall settles slightly with a value of 142mm (5.59") in December and continues to decline to 105mm (4.13") and a low of 113mm (4.45") in February. Even so, these readings are relatively high compared to most regions worldwide, indicative of Santo Antonio’s tropical rainforest classification. The winter months also encounter high humidity, making the weather feel even warmer.
Weather in January
High humidity levels characterize the weather in
Santo Antonio in
January, typically reaching an average of 88%. With the temperature lingering between 22°C (71.6°F) and 29°C (84.2°F), warm and moist conditions persist throughout the month.
Weather in January »Weather in February
A slight decrease in humidity from 88% to 86% happens in
February, indicating the approaching dry season. Compared to
January, the searing heat tends to mellow down. Rainfall during this month decreases to 105mm (4.13") over an average of 11 days.
Weather in February »Weather in March
Notwithstanding the temperature ranges similar to
February,
March signals a change in weather with a stunning increase in rainfall to 186mm (7.32"). Contrasted with the subsequent month, March is substantially drier, yet typically warm.
Weather in March »
Weather in April
Santo Antonio's weather takes a turn in
April, with a significant increase in precipitation to an average of 233mm (9.17"). Side by side with
March, April weather exhibits a similar temperature range but differs notably in terms of rainfall.
Weather in April » Weather in May
Like
April, the weather in
May in
Santo Antonio also sees high rainfall, but with a marginal decrease to 229mm (9.02"). In comparison to the subsequent
June, May has wetter and warmer weather. Sea temperatures remain warm, making May an excellent month for water activities despite the rain.
Weather in May »Weather in June
June welcomes a noticeable shift in
Santo Antonio's weather. Rainfall significantly recedes to 89mm (3.5"), suggesting the advent of more comfortable conditions. Compared to the rainier
May, June emerges warmer and drier. An average sea temperature from 27°C (80.6°F) to 29°C (84.2°F) ensures swimmers and divers have a pleasant time.
Weather in June »
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.
Weather in July » Weather in August
August sees a slight increase in rainfall in
Santo Antonio from 21mm (0.83") to 36mm (1.42") but continues to remain drier compared to other months. The weather conditions resemble those in
July but with a slight increase in precipitation.
Weather in August » Weather in September
Resuming the wet patterns,
September observes a jump in rainfall to 146mm (5.75") in
Santo Antonio. The month exhibits a notable difference compared to the drier
August. Average daylight stays consistent, with around 12.1 hours of daylight, providing ample time for activities.
Weather in September »
Weather in October
In
Santo Antonio,
October sees the heaviest rainfall throughout the year, accumulating around 398mm (15.67"). In comparison with
September, the weather in October turns significantly wetter and a little cooler. Despite the rain-soaked overhead, daylight equalizes the ambiance with an average of 4 hours of sunlight.
Weather in October »Weather in November
November weather sees a reduction in rainfall to 174mm (6.85") in
Santo Antonio, making it relatively drier than
October. Contrasted with
December, November exhibits comparable conditions with slightly higher rainfall. The slight dip in the sea temperature to 27°C (80.6°F) offers a refreshing contrast to the warm climate.
Weather in November » Weather in December
December greets
Santo Antonio with a moderate 142mm (5.59") rainfall, lower than
November's. The overall temperature, however, increases marginally compared to the previous month. Average daylight reduces to 12 hours but continues to underline the city's sunny personality.
Weather in December »