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Contents
- The climate of Port-Gentil
- The best time to visit Port-Gentil
- The worst time to visit Port-Gentil
- Spring weather in Port-Gentil
- Summer weather in Port-Gentil
- Autumn weather in Port-Gentil
- Winter weather in Port-Gentil
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Port-Gentil
According to the Köppen climate classification, Port-Gentil, Gabon harbors a Tropical wet and dry climate, also known as Aw. This coastal town lies on the west coast of the country, nestling itself next to the Atlantic Ocean, resulting in a pattern of consistent monthly high temperatures. Observations indicate relatively steady temperatures, with monthly average highs fluctuating between 24.4°C (75.9°F) to 29°C (84.2°F) and lows of 22.1°C (71.8°F) to 26.9°C (80.4°F).
One peculiar aspect to note about the weather is the relatively high humidity throughout the year. Data indicates a relative humidity value of 79% to 84% every month, showing consistent moisture in the air. Similarly, cloud coverage remains relatively constant, with an increase from around 38% to 63%, adding to the wet appeal of this tropical locale.
Rainfall in Port-Gentil exhibits a clear seasonal trend, with the city experiencing a more pronounced wet season. The downpour stretches its maximum from October to January with the heaviest precipitation at 277mm (10.91") in November. The dry season spans from May to September, with August showing the least amount of rain at just 6mm (0.24"). Notably, the sea temperature sits comfortably between 23.1°C (73.6°F) and 29.2°C (84.6°F) across the year, significantly influencing the climate of the coastal city.
One peculiar aspect to note about the weather is the relatively high humidity throughout the year. Data indicates a relative humidity value of 79% to 84% every month, showing consistent moisture in the air. Similarly, cloud coverage remains relatively constant, with an increase from around 38% to 63%, adding to the wet appeal of this tropical locale.
Rainfall in Port-Gentil exhibits a clear seasonal trend, with the city experiencing a more pronounced wet season. The downpour stretches its maximum from October to January with the heaviest precipitation at 277mm (10.91") in November. The dry season spans from May to September, with August showing the least amount of rain at just 6mm (0.24"). Notably, the sea temperature sits comfortably between 23.1°C (73.6°F) and 29.2°C (84.6°F) across the year, significantly influencing the climate of the coastal city.
The best time to visit Port-Gentil
To enjoy the warmth without the rain, the best time to visit Port-Gentil would be between May to September. Despite these months being within the reach of the dry season, the temperatures remain favorable, with average highs oscillating between 24.4°C (75.9°F) and 27.8°C (82°F). The average sea temperature during this period varies from 23.1°C (73.6°F) to 26.4°C (79.5°F), mixed with lower rainfall, providing favorable conditions for seaside activities.
The worst time to visit Port-Gentil
Conversely, the period from October to January is considered the least favorable for visits. This period marks the city's wet season, with November being the wettest month, receiving an average rainfall of 277mm (10.91"). Additionally, the high humidity during this time can make conditions feel quite muggy, potentially putting a damper on outdoor activities.
Spring weather in Port-Gentil
Spring months in Port-Gentil, transitioning from March to May, are characterized by gradually subsiding rainfall, moving from an average of 160mm (6.3") in March to 25mm (0.98") in May. Simultaneously, average high temperatures slightly drop from 29°C (84.2°F) in March to 27.8°C (82°F) in May. This period sees an increase in daylight hours, hovering at 12.1 hours throughout.
Summer weather in Port-Gentil
Arriving at summer, from June to August, Port-Gentil experiences its dry season, with July being the driest month with a meager 6mm (0.24") rainfall. While temperatures during this period dip slightly, the average high still remains comfortable, ranging from 24.4°C (75.9°F) to 25.6°C (78.1°F). The humidity hovers at around 84%, and daylight remains constant at 12.1 hours.
Autumn weather in Port-Gentil
Autumn, aggregating September to November, witnesses a rapid surge in rainfall, with November topping at 277mm (10.91"). Notably, temperatures during this period remain pleasantly warm, fluctuating between 26.7°C (80.1°F) to 27.2°C (81°F). As humidity ascends to 83%, sea temperatures too rise, varying from 25.3°C (77.5°F) to 26.9°C (80.4°F).
Winter weather in Port-Gentil
Winter weather in Port-Gentil, spanning December to February, is characterized by heavy rainfall, particularly in December at 207mm (8.15"). During this period, temperatures slightly rise, with highs from 27.7°C (81.9°F) to 28.8°C (83.8°F). The surrounding sea temperature also hovers at a warm 27.4°C (81.3°F) to 28.7°C (83.7°F), adding to the overall warmth of the season.
Weather in January
January introduces the new year with a warm and humid climate. Rainfall is a prominent feature a characteristic seen in its 131mm (5.16") showers dispersed over approximately 28 days. Occasional sunshine does make its way through the hazy skyline, lasting for over 8 hours. Weather in January »
Weather in February
Port-Gentil witnesses a transition from January to February, wherein the rainfall shifts marginally from 131mm (5.16") to 128mm (5.04"). Though the city carries its humid air, it does not compromise on its sunlight, thus striking a balance. Weather in February »
Weather in March
March in Port-Gentil exhibits an increase in the average rainfall, moving to 155mm (6.1") from February's 128mm (5.04"), signifying the start of extensive rainfall in the region. The sky tends to lean towards overcast conditions, casting a filter on the sunlight. Weather in March »
Weather in April
Despite the consistent tropical character, the transition from March to April sees the highest average rainfall for the first half of the year at 160mm (6.3"). As Port-Gentil moves deeper into the year, the days remain illuminated for consistent periods. Weather in April »
Weather in May
May bears witness to the transition from high to reduced rainfall levels. The sky of Port-Gentil is seldom devoid of clouds, indicating a potential drizzle at any hour. The sudden drop in sea temperatures delimits the extent of the heat experienced by residents. Weather in May »
Weather in June
June stands out in Port-Gentil due to its sharp drop in rainfall to 25mm (0.98"), marking the onset of the city's driest period. It is characterised by moderate solar exposure and controlled temperature. Moreover, the wind gains momentum with noticeable gusts primarily around seaside areas. Weather in June »
Weather in July
Following June's transition, July sets a record of having the lowest rainfalls for the year, dropped to 6mm (0.24"). The weather in July shows a clear shift from previous months, characterised by a stronger south-east wind. The lengthened hours of daylight bring contrast to typically hazy cloud cover. Weather in July »
Weather in August
August in Port-Gentil is classified by its consistent climate, shifting only slightly from July's patterns. Despite slight fluctuations in daylight hours, the overall visibility remains uncompromised. The sea temperature too, heats up in response to the atmospheric warming. Weather in August »
Weather in September
The transition from August to September brings about an increase in average rainfall from 10mm (0.39") to 30mm (1.18"). Though slightly warmer at times, the perceived temperature remains comfortable due to unperturbed wind movements. Weather in September »
Weather in October
October witnesses a manifold increase in rainfall, shooting up to 205mm (8.07") from September's 30mm (1.18"). Notably, the shift in weather currents leaves a noticeable ripple on the overall wind movement. Despite the occasional cover of clouds, the city affords fair visibility. Weather in October »
Weather in November
November reins in as the wettest month of the year in Port-Gentil with an average rainfall of 277mm (10.91"). Gradual changes in the city's humidity can be sensed with the November air. Even while under the thick cloud cover, the city manages to maintain an arm's length from extremes of temperature. Weather in November »
Weather in December
December brings down the curtain on the year, with the average rainfall decreasing to 207mm (8.15") from November's high. The weather in Port-Gentil wraps up with a warm but not overly stifling climate. Engulfed by a sense of calm, the city prepares for the New Year while unveiling an increase in daylight hours. Weather in December »
Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the least humid months in Port-Gentil?
January through March, with an average relative humidity of 79%, are the least humid months in Port-Gentil.
How much does it rain in Port-Gentil?
Throughout the year, in Port-Gentil, Gabon, there are 251.9 rainfall days, and 1462mm (57.56") of precipitation is accumulated.
What is the month with the most sunshine in Port-Gentil?
January and February, with an average of 8.7h of sunshine, are months with the most sunshine in Port-Gentil.
What are the months with the highest UV index in Port-Gentil?
The months with the highest UV index in Port-Gentil, Gabon, are January through May, November and December, with an average maximum UV index of 7.
What are the warmest months in Port-Gentil?
March stands out as Port-Gentil's warmest month, with temperatures ranging between an average high of 29°C (84.2°F) and a low of 26.8°C (80.2°F).
What is the month with the warmest sea water in Port-Gentil?
The month with the warmest seawater is March, with an average sea temperature of 29.2°C (84.6°F).
What are the most humid months in Port-Gentil?
The months with the highest humidity in Port-Gentil are June through October, with an average relative humidity of 84%.
What is the month with the shortest days in Port-Gentil?
The month with the shortest days in Port-Gentil, Gabon, is June, with an average of 12h and 6min of daylight.
What are the months with the lowest UV index in Port-Gentil?
June through October, with an average maximum UV index of 6, are months with the lowest UV index.
What month is the coldest in Port-Gentil?
July, with average temperatures reaching a high of 24.4°C (75.9°F) and a low of 22.1°C (71.8°F), is the coldest month.
What is the driest month in Port-Gentil?
July is the month with the least rainfall in Port-Gentil. Rain falls for 7.7 days and accumulates 6mm (0.24") of precipitation.
When is the sea coldest in Port-Gentil?
July is the month with the coldest seawater in Port-Gentil, with an average sea temperature of 23.1°C (73.6°F).
What is the month with the least sunshine in Port-Gentil?
The month with the least sunshine is August, with an average of 6.1h of sunshine.
What is the wettest month in Port-Gentil?
The month with the most rainfall in Port-Gentil, Gabon, is November, when the rain falls for 27.7 days and typically aggregates up to 277mm (10.91") of precipitation.
When are the longest days in Port-Gentil?
December has the longest days of the year in Port-Gentil, Gabon, with an average of 12h and 12min of daylight.
Is there Daylight Saving Time (DST) in Port-Gentil?
Port-Gentil does not observe Daylight Saving Time (DST). WAT timezone is used throughout the entire year.
Average temperature
Port-Gentil, Gabon
The warmest month (with the highest average high temperature) is March (29°C).
The month with the lowest average high temperature is July (24.4°C).
The month with the highest average low temperature is February (26.9°C).
The coldest month (with the lowest average low temperature) is July (22.1°C).
Average pressure
Port-Gentil, Gabon
- Average pressure in January:
1010.8mbar - Average pressure in February:
1009.9mbar - Average pressure in March:
1009.9mbar - Average pressure in April:
1010mbar - Average pressure in May:
1011.3mbar - Average pressure in June:
1013.6mbar
- Average pressure in July:
1014.4mbar - Average pressure in August:
1014.1mbar - Average pressure in September:
1013.2mbar - Average pressure in October:
1011.4mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The months with the lowest atmospheric pressure are February and March (1009.9mbar).
Average wind speed
Port-Gentil, Gabon
- Average wind speed in January:
12km/h - Average wind speed in February:
12.7km/h - Average wind speed in March:
12.8km/h - Average wind speed in April:
12.4km/h - Average wind speed in May:
14.1km/h - Average wind speed in June:
17.7km/h
- Average wind speed in July:
17.8km/h - Average wind speed in August:
18.1km/h - Average wind speed in September:
18.2km/h - Average wind speed in October:
16.4km/h - Average wind speed in November:
14.9km/h - Average wind speed in December:
12.8km/h
The windiest month (with the highest average wind speed) is September (18.2km/h).
The calmest month (with the lowest average wind speed) is January (12km/h).
Average humidity
Port-Gentil, Gabon
The months with the highest relative humidity are June, July, August, September and October (84%).
The months with the lowest relative humidity are January, February and March (79%).
Average rainfall
Port-Gentil, Gabon
- Average rainfall in January:
131mm - Average rainfall in February:
128mm - Average rainfall in March:
155mm - Average rainfall in April:
160mm - Average rainfall in May:
128mm - Average rainfall in June:
25mm
The wettest month (with the highest rainfall) is November (277mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days
Port-Gentil, Gabon
- Average rainfall days in January:
27.8 days - Average rainfall days in February:
24.1 days - Average rainfall days in March:
26.8 days - Average rainfall days in April:
24.3 days - Average rainfall days in May:
22.7 days - Average rainfall days in June:
9.2 days
- Average rainfall days in July:
7.7 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
15.3 days - Average rainfall days in October:
26.3 days - Average rainfall days in November:
27.7 days - Average rainfall days in December:
28.7 days
The month with the highest number of rainy days is December (28.7 days).
The month with the least rainy days is July (7.7 days).
Average sea temperature
Port-Gentil, Gabon
The best month for swimming (with the highest average sea temperature) is March (29.2°C).
The coldest month (with the lowest average sea temperature) is July (23.1°C).
Average daylight / Average sunshine
Port-Gentil, Gabon
- Average daylight in January:
12h and 1min - Average daylight in February:
12h and 1min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 1min - Average daylight in June:
12h and 1min
- Average daylight in July:
12h and 1min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 1min - Average daylight in December:
12h and 1min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in January:
8h and 4min - Average sunshine in February:
8h and 4min - Average sunshine in March:
8h and 3min - Average sunshine in April:
8h and 2min - Average sunshine in May:
7h and 5min - Average sunshine in June:
7h and 2min
- Average sunshine in July:
6h and 5min - Average sunshine in August:
6h and 1min - Average sunshine in September:
6h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
7h and 0min - Average sunshine in December:
8h and 2min
The months with the most sunshine are January and February (Average sunshine: 8h and 42min).
The month with the least sunshine is August (Average sunshine: 6h and 6min).
Average sunshine days
Port-Gentil, Gabon
- Average sunshine days in January:
2.7 days - Average sunshine days in February:
3.1 days - Average sunshine days in March:
3.7 days - Average sunshine days in April:
4.3 days - Average sunshine days in May:
6.1 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
9 days - Average sunshine days in September:
3.9 days - Average sunshine days in October:
1.7 days - Average sunshine days in November:
1.5 days - Average sunshine days in December:
1.2 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is December (1.2 days).
Average UV index
Port-Gentil, 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).
Average cloud cover
Port-Gentil, Gabon
The months with the most cloud cover are August and September (Cloud cover 63).
The months with the least cloud cover are January and February (Cloud cover 38).
Average visibility
Port-Gentil, Gabon
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).
