Climate and monthly weather forecast
Mayumba, Gabon


The climate of Mayumba

Mayumba, located in Gabon, predominantly experiences a Tropical wet and dry climate (Aw), according to the Köppen climate classification. This equatorial town presents an array of weather patterns throughout the year with quite a contrast between the dry and rainy season, maintaining relatively high humidity levels, often 82% and above.

Throughout the calendar year, Mayumba maintains high temperatures with relatively little fluctuation. The mercury levels rise from 25.7°C (78.3°F) in June to 30.5°C (86.9°F) in April, akin to the characteristics of a tropical climate. Overnight temperatures remain relatively high as well, varying between 19.2°C (66.6°F) and 23.6°C (74.5°F), offering minimal relief from the heat.

This part of Gabon is not left untouched by the region’s reputation for copious rainfall. April and November are particularly wet months, recording 336mm (13.23") and 237mm (9.33") of rainfall respectively, with the latter topping the day count with 18.9 rain days. The driest month is July, recording a meagre 0mm (0") of rainfall and less than a day of rain on average.

In regards to humidity, it peaks to 88% in November but does seldom dip below 82%, ensuring a sweaty climate for the most part. The sea temperature mirrors the overall climatic temperature but dips to a minimum of 21.1°C (70°F) in July. Furthermore, the UV Index begins at 10 in June and July and ascends to 12 for the rest of the months, urging necessary precautions to limit skin exposure. The climate of Mayumba »

The Best Time to Visit Mayumba

The best time to visit Mayumba, taking into account the climatic variables, would ideally be between May and October. The months following April's heaviest rains are characterized by diminished precipitation, even resulting in fairly dry conditions between June to August with rainfall marginally within 6mm (0.24"). This period offers the perfect window to explore the tropical city while avoiding the otherwise prevalent tropical showers. Albeit warm, the temperatures during these months fluctuate mildly within the range of 25.7°C (78.3°F) to 29.1°C (84.4°F), making outdoor activities comfortable once the body acclimatizes to the conditions. The Best Time to Visit Mayumba »

The Worst Time to Visit Mayumba

Conversely, the least optimal time to visit Mayumba would be between November and March as this is when the region experiences the highest frequency of rain days with heavy downpours. November concludes the wet spring season, observing a whopping 336mm (13.23") of rainfall spread over 18.6 days. While December sees a decline in rainfall to 164mm (6.46"), it manages to remain fairly wet, stretching across 11.5 days. The Worst Time to Visit Mayumba »

Spring Weather in Mayumba

Spring, occurring from September to November in Mayumba, is marked by a surge in rainfall. It begins with 45mm (1.77") in September, escalating to 214mm (8.43") in October, and culminating in November at 336mm (13.23"), accounting for 18.6 out of the 30 days of this month. Simultaneously, temperatures range from 27.6°C (81.7°F) to 28.2°C (82.8°F). Humidity too follows this upward trend, peaking at 88% in November. The inhabitants brace for daily precipitation, making it advisable for visitors to carry appropriate rain gear during this period. Spring Weather in Mayumba »

Summer Weather in Mayumba

Unlike the stereotypical view of summer, December to February in Mayumba is another period of substantial rainfall. December alone records 164mm (6.46") over 11.5 days, giving way to lesser rainfall in January and February with 237mm (9.33") and 246mm (9.69") respectively. Average temperatures during these months hover between 27.2°C (81°F) to 28.9°C (84°F). The UV Index remains at the highest level of 12, making it imperative for residents and visitors to adopt necessary sun protection measures. Summer Weather in Mayumba »

Autumn Weather in Mayumba

March to May in Mayumba postulates the commencement of an annual dry spell after a period of substantial rains. Temperatures tend to increase slightly to reach a peak of 30.5°C (86.9°F) in April. Rainfall decreasingly goes from 219mm (8.62") in March, followed by 126mm (4.96") in April to finally reach 75mm (2.95") in May. Though on a decline, these months can still require the occasional use of rain gear. Autumn Weather in Mayumba »

Winter Weather in Mayumba

June to August, considered the winter months, are the driest season in Mayumba. The city observes a significant drop in rainfall from 6mm (0.24") to 0mm (0") between June and July, increasing marginally to 6mm (0.24") in August. Despite being winter, temperatures continue to remain fairly high, oscillating from 25.7°C (78.3°F) to 25.9°C (78.6°F). The sea, however, experiences its lowest temperature of 21.1°C (70°F) in July, while the UV Index drops down to 10, the lowest for Mayumba but still relatively high on a global scale. Winter Weather in Mayumba »

Weather in January

The year begins in Mayumba, Gabon, with a warm climate and a moistened evening breeze. Although a dip in temperatures is observed from January's average high and low temperatures of 28.3°C (82.9°F) down to 23.1°C (73.6°F), the comforting heat prevails during the day. Weather in January »

Weather in February

The February weather in Mayumba experiences similar thermal conditions, keeping the coastal vibes consistent. February hosts a slightly increased minimum temperature at a warm 23.4°C (74.1°F) compared to January's 23.1°C (73.6°F), ensuring a comfortable and ultra-marine experience for visitors and locals alike. Weather in February »

Weather in March

March in Mayumba promises warmer days ahead, with a gentle uptick in temperature. Each day of March sees a sun-soaked Mayumba pulsating with vivacious life, as temperatures climb to an average high of 30.4°C (86.7°F). March invites visitors to indulge in water-based activities, with the warm ocean currents adding a delightful touch to the coastal lifestyle. Weather in March »

Weather in April

April sees Mayumba basking in the peak of the warm season, with balmy mornings transitioning to comfortable evenings. The highest average temperature touches a warm 30.5°C (86.9°F) in April, making it the most heated month of the year. Weather in April »

Weather in May

May marks the transition from the warm to the moderate season in Mayumba. May's weather is characterized by the shortest days of the year, offering 12 hours of daylight. The weather provides a cooling respite from the previous month's heat, with the climate turning appealingly moderate. Weather in May »

Weather in June

Mid-year, June brings about the coolest weather to Mayumba, seen in temperatures dropping to an average low of 20.8°C (69.4°F). The noticeable dip in the sea's temperature, now at 22.5°C (72.5°F), suggests the chilly offshore breezes that residents enjoy at this time of the year. Weather in June »

Weather in July

Entering the second half of the year, July denotes the onset of the coolest spell in Mayumba. Witnessing the least amount of rainfall at just 0mm (0"), July is the driest month. The clear skies and longer daylight hours provide primetime for outdoor enthusiasts to indulge in activities such as hiking or beach volleyball. Weather in July »

Weather in August

August treats Mayumba to mild temperatures, a slight uptick from the conditions observed in July. The weather remains dry, providing the landscape with a distinct golden-brown sheen, thanks to less than 6mm (0.24") of rainfall. August brings breezy mornings and magnificent sunsets, ideal for photographers seeking awe-inspiring seascapes. Weather in August »

Weather in September

September weather in Mayumba marks the gradual shift toward the rainy season. With September seeing an increase in the average rainfall, registering 45mm (1.77"), Mayumba begins its transition back to the moist season. Despite the change in the climate, the long daylight hours ensure ample time for outdoor pursuits. Weather in September »

Weather in October

October in Mayumba witnesses the accelerating transition from dry to wet conditions. Having received the highest rainfall at 214mm (8.43"), October paves the way for a lush green makeover. Nature lovers are drawn to this scenic transformation, cherishing the evident biodiversity of Mayumba under the gently falling rain. Weather in October »

Weather in November

As the penultimate month of the year, November in Mayumba is characterized by heavy rainfall, reaching a yearly peak of 336mm (13.23"). With weather turning dramatically wet, exploring the rain-drenched land and its flora becomes a delightful option for nature enthusiasts. Weather in November »

Weather in December

In December, Mayumba sees weather conditions stabilize, marking a tapering off of the rainy season. The city receives reduced rainfall in December, down to 164mm (6.46"), from the high of November, signaling a drier end to the year. Weather in December »

Frequently asked questions

How much does it rain in Mayumba?

In Mayumba, during the entire year, the rain falls for 124.6 days and collects up to 1673mm (65.87") of precipitation.

What are the months with the most sunshine in Mayumba?

The months with the most sunshine in Mayumba are January through April, with an average of 5h of sunshine.

What are the months with the highest UV index in Mayumba?

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index.

When is the sea warmest in Mayumba?

With an average sea temperature of 28.9°C (84°F), March is the month with the warmest seawater.

What is the hottest time of year in Mayumba?

With its average high temperature of 30.5°C (86.9°F) and a low of 23.6°C (74.5°F), April is regarded as the warmest month in Mayumba.

What is the month with the shortest days in Mayumba?

With an average of 11h and 54min of daylight, June has the shortest days of the year in Mayumba, Gabon.

What is the month with the lowest UV index in Mayumba?

The months with the lowest UV index in Mayumba, Gabon, are June and July, with an average maximum UV index of 10.

What part of the year is the coldest in Mayumba?

July is the month that records the lowest temperatures, with averages ranging from a high of 25.7°C (78.3°F) to a low of 19.2°C (66.6°F).

What is the least humid month in Mayumba?

With an average relative humidity of 82%, July is the least humid month in Mayumba, Gabon.

What is the driest month in Mayumba?

The month with the least rainfall is July, when the rain falls for 0.7 days and typically collects 0mm (0") of precipitation.

When is the sea coldest in Mayumba?

With an average sea temperature of 21.1°C (70°F), July is the month with the coldest seawater in Mayumba.

What are the months with the least sunshine in Mayumba?

August and September, with an average of 2h of sunshine, are months with the least sunshine.

What is the most humid month in Mayumba?

The most humid month in Mayumba, Gabon, is November, with an average relative humidity of 88%.

What is the wettest month in Mayumba?

The month with the most rainfall is November, when the rain falls for 18.6 days and typically aggregates up to 336mm (13.23") of precipitation.

When are the longest days in Mayumba?

The month with the longest days in Mayumba, Gabon, is December, with an average of 12h and 18min of daylight.

Is there Daylight Saving Time (DST) in Mayumba?

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

Average temperature
Mayumba, Gabon

Average temperature - Mayumba, Gabon

The warmest month (with the highest average high temperature) is April (30.5°C).
The month with the lowest average high temperature is July (25.7°C).

The month with the highest average low temperature is April (23.6°C).
The coldest month (with the lowest average low temperature) is July (19.2°C).


Average rainfall
Mayumba, Gabon

Average rainfall - Mayumba, Gabon

The wettest month (with the highest rainfall) is November (335.9mm).
The driest month (with the least rainfall) is July (0.4mm).


Average rainfall days
Mayumba, Gabon

Average rainfall days - Mayumba, Gabon

The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is July (0.7 days).


Average sea temperature
Mayumba, Gabon

Average sea temperature - Mayumba, Gabon

The best month for swimming (with the highest average sea temperature) is March (28.9°C).
The coldest month (with the lowest average sea temperature) is July (21.1°C).


Average daylight / Average sunshine
Mayumba, Gabon

Average daylight / Average sunshine - Mayumba, Gabon

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

The months with the most sunshine are January, February, March and April (Average sunshine: 5h).
The months with the least sunshine are August and September (Average sunshine: 2h).


Average UV index
Mayumba, Gabon

Average UV index - Mayumba, Gabon

The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 10).


Mayumba, Gabon

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