Climate and monthly weather forecast
Ntoum, Gabon

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The climate of Ntoum

Ntoum, Gabon is geographically located within the tropical rainforest climate belt, as per the Köppen climate classification. Abiding by this classification, Ntoum falls under the Tropical Monsoon climate. Settlers and visitors to this region can anticipate vibrant, green surroundings due to an extended period of humid and wet conditions, that persist throughout the year.

A year in Ntoum is categorized by high humidity, incessant rainfall, and uniformly high temperatures. The highest average temperature tends to be around 30.1°C (86.2°F) in March and the lowest falls close to 26.5°C (79.7°F) in July. A consistent trait of Ntoum’s climate is its unwavering high-temperature range, fluctuating from 26.5°C (79.7°F) to 30.1°C (86.2°F), reinforced by intense humidity levels. Humidity levels stay above 80% throughout the year, adding to the overall warmth of the region.

The area experiences significant precipitation, concentrated specifically from September to December, with the peak in November at 226mm (8.9"). However, the region, apart from being wet and humid is also sunny. The number of daylight hours stays constant at 12.1 hours throughout the year. The sunshine hours do take a dip in August and September, down to around 5.1 to 5.3 hours but remain relatively high during the other months of the year.

Wind speeds generally fluctuate from 8.2km/h (5.1mph) in April to 13.1km/h (8.1mph) in July, with gusts attaining speeds up to 18.3km/h (11.4mph). The pressure levels also remain relatively stable, averaging around 1012 millibars across the months.

The best time to visit Ntoum

Despite the consistent warm temperatures and high humidity, there are periods of the year that can be considered ideal for travel. July through September tend to be the driest months, with rainfall levels diminishing significantly to as low as 9mm (0.35") in July and 15mm (0.59") in August. Sunshine hours do decrease but the reduced precipitation levels might present the ideal time to explore the tropical surroundings of Ntoum.

The worst time to visit Ntoum

Visitors looking to stay dry may want to avoid the latter part of the year. Heavy downpours are a common feature from September to December. November bears the brunt of the rainy season, with precipitation levels soaring to 226mm (8.9").

Spring weather in Ntoum

Spring in Ntoum is marked by warm temperatures ranging from 29.3°C (84.7°F) in September to 29.8°C (85.6°F) in November. Relative humidity peaks at 86% during the spring months accompanied by a discernible increase in precipitation. Rainfall amounts surge towards the latter part of spring with November receiving an average of 226mm (8.9").

Summer weather in Ntoum

Summer in Ntoum can be warm, with temperatures averaging between 28.9°C (84°F) in December to 26.5°C (79.7°F) at the peak of summer in February. This period sees a drop in rainfall levels to as low as 9mm (0.35") in February, making it one of the driest months.

Autumn weather in Ntoum

Autumn witnesses temperatures from 26.8°C (80.2°F) in March to 27.9°C (82.2°F) in May. Rainfall levels start to increase from a low of 15mm (0.59") in March to 76mm (2.99") in May. Sunshine hours remain relatively consistent, indicating a blend of sun and showers for visitors during this time.

Winter weather in Ntoum

Ntoum's winters are far from cold. The temperature average falls from 28.1°C (82.6°F) in June to 28.6°C (83.5°F) by August. Relative humidity increases in these months, resulting in higher rainfall, averaging 121mm (4.76") in June and spiking to 163mm (6.42") by August. Blended with average sunshine hours hovering around 8.2 and wind speeds peaking at 12.3km/h (7.6mph) in June, Ntoum during winter offers a typically tropical experience.

Weather in January

In Ntoum, Gabon, January weather is generally characterized by warm temperatures accompanied by ample rainfall. Winds are modest in speed, but often accompanied by bursts of stronger gusts. Other attributes of January include moderate sunlight hours and visibility. Weather in January »

Weather in February

In Ntoum, the weather shifts subtly from January to February. The amount of daylight remains constant, whilst a marginal reduction in cloud cover may lead to a slight increase in sunshine. February experiences a higher overall temperature range and the wind speed sees a minimal rise as compared to January. Weather in February »

Weather in March

March ushers in minor changes in the weather conditions compared to February. More uniform temperatures are recorded, and a consistency in hours of daylight is observed. The wind in March continues to blow at similar speeds as the past two months, maintaining the same patterns. Weather in March »

Weather in April

Weather patterns in Ntoum in April mirror closely those of March, even though the month ushers in the onset of a cooler period. This month, like the previous ones, experiences uniformity in daylight hours and a consistent UV index. Weather in April »

Weather in May

May brings a notable shift in weather conditions when compared to the preceding month of April. The fall in temperature, reduced sunshine hours, and an increase in cloud cover may be indicative of the onset of a cooler period within the year. Weather in May »

Weather in June

June in Ntoum is a month of significant changes in the weather scene. With low rainfall and rising wind speeds, the temperature drops further creating a cooler climate. The increase in cloud cover reflects the changing weather conditions. Weather in June »

Weather in July

July perpetuates the cool season initiated in June, with temperatures continuing to be on the lower side. Cloud coverage remains high, contributing to a less sunny atmosphere, and wind speeds continue to gradually increase. Despite being one of the cooler and less sunny months of the year, consistent daylight hours are maintained. Weather in July »

Weather in August

With a mild increase in temperature, August signals a slight departure from the cooler climate of the previous two months. The wind speed reaches its peak for the year, while the cloud cover remains elevated. August shares similar characteristics with July, including daylight hours, UV index, and visibility. Weather in August »

Weather in September

In September, Ntoum experiences return to somewhat wetter conditions, aided by a rise in temperature, humidity, and a drop in wind speed. The climate remains generally warm, characterised by consistent daylight hours and UV index throughout this period. Weather in September »

Weather in October

October tends toward warmer and wetter conditions in comparison to September, with rising temperatures and an increased amount of rain. The wind speed reduces slightly, whereas the humidity and cloud cover tend to increase. October marks a shift towards the year's end, with higher temperatures and more rainfall being key driving factors. Weather in October »

Weather in November

In Ntoum, November continues the trend of a warmer and wetter climate as seen in October. The amount of daylight and UV index remain constant, as does the wind speed. However, increased humidity and cloud cover contribute to the month's overall damp conditions. Weather in November »

Weather in December

December in Ntoum marks the conclusion of the year with a slight dip in rainfall and temperatures. The wind speed, daylight hours, and UV index for the month remain fairly consistent with those of November. Despite a slight fall in temperatures, the climate remains generally warm with high humidity. Weather in December »
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Frequently asked questions

What are the least humid months in Ntoum?

January through March and August, with an average relative humidity of 81%, are the least humid months.

How many days does it rain in Ntoum?

In Ntoum, during the entire year, the rain falls for 274.1 days and collects up to 1477mm (58.15") of precipitation.

When is the highest UV index in Ntoum?

January through May, November and December, with an average maximum UV index of 7, are months with the highest UV index.

What month has the most sunshine in Ntoum?

February has the most sunshine of the year in Ntoum, with an average of 8.3h of sunshine.

What month is the hottest in Ntoum?

The warmest temperatures occur during March, when averages reach a peak of 30.1°C (86.2°F) and a low of 25.3°C (77.5°F).

When are the longest days in Ntoum?

The month with the longest days in Ntoum, Gabon, is June, with an average of 12h and 6min of daylight.

What are the months with the lowest UV index in Ntoum?

June through October, with an average maximum UV index of 6, are months with the lowest UV index.

What part of the year is the coldest in Ntoum?

July, characterized by an average high temperature of 26.5°C (79.7°F) and a low temperature of 22.5°C (72.5°F), is generally the coldest month.

What is the driest month in Ntoum?

July is the month with the least rainfall. Rain falls for 8.3 days and accumulates 9mm (0.35") of precipitation.

What is the month with the least sunshine in Ntoum?

With an average of 5.1h of sunshine, September has the least sunshine of the year in Ntoum, Gabon.

What is the most humid month in Ntoum?

With an average relative humidity of 86%, November is the most humid month.

What is the wettest month in Ntoum?

November is the month with the most rainfall in Ntoum, Gabon. Rain falls for 28.5 days and accumulates 226mm (8.9") of precipitation.

What is the month with the shortest days in Ntoum?

December has the shortest days of the year in Ntoum, with an average of 12h and 6min of daylight.

Is there Daylight Saving Time (DST) in Ntoum?

Ntoum does not utilize Daylight Saving Time (DST). WAT timezone is used over the entire year.

Average temperature
Ntoum, Gabon

Average temperature - Ntoum, Gabon

The warmest month (with the highest average high temperature) is March (30.1°C).
The month with the lowest average high temperature is July (26.5°C).

The month with the highest average low temperature is March (25.3°C).
The coldest month (with the lowest average low temperature) is July (22.5°C).

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Average pressure
Ntoum, Gabon

Average pressure - Ntoum, Gabon

The month with the highest atmospheric pressure is July (1014mbar).
The months with the lowest atmospheric pressure are February and March (1010mbar).

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Average wind speed
Ntoum, Gabon

Average wind speed - Ntoum, Gabon

The windiest month (with the highest average wind speed) is August (13.4km/h).
The calmest month (with the lowest average wind speed) is April (8.2km/h).

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Average humidity
Ntoum, Gabon

Average humidity - Ntoum, Gabon

The month with the highest relative humidity is November (86%).
The months with the lowest relative humidity are January, February, March and August (81%).

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Average rainfall
Ntoum, Gabon

Average rainfall - Ntoum, Gabon

The wettest month (with the highest rainfall) is November (226mm).
The driest month (with the least rainfall) is July (9mm).

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Average rainfall days
Ntoum, Gabon

Average rainfall days - Ntoum, Gabon

The month with the highest number of rainy days is January (30 days).
The month with the least rainy days is July (8.3 days).

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Average daylight / Average sunshine
Ntoum, Gabon

Average daylight / Average sunshine - Ntoum, Gabon

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 18min).
The month with the least sunshine is September (Average sunshine: 5h and 6min).

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Average sunshine days
Ntoum, Gabon

Average sunshine days - Ntoum, Gabon

The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is January (0.6 days).

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Average UV index
Ntoum, Gabon

Average UV index - Ntoum, Gabon

The months with the highest UV index are January, February, March, April, May, November and December (UV index 7).
The months with the lowest UV index are June, July, August, September and October (UV index 6).

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Average visibility
Ntoum, Gabon

Average visibility - Ntoum, Gabon

The months with the highest visibility are January, February, March, June, July, August and September (10km).
The months with the lowest visibility are April, May, October, November and December (9km).

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Ntoum, Gabon

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