Climate and monthly weather forecast
Basso, Benin

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Climate and monthly weather forecast

The climate of Basso

Basso sits in the heart of Africa, enveloped by the country of Benin. With vast plains cradling its position, this city experiences an Aw climate according to the Köppen climate classification, also termed as the tropical wet and dry or savanna climate.

Basso's weather patterns follow a predictable rhythm, oscillating between a dry and wet phase. Its position close to the equator brings about scorching hot temperatures, that hover from lows of 17.1°C (62.8°F) in January to soaring heights of 41.8°C (107.2°F) by April. Average humidity extends from a modest 15% in January to a considerably damp 80% in August.

Besides temperature and humidity, Basso experiences an observable shift in rainfall throughout the year. Dry spells mark the months of January and December when not a drop of rain falls. On the other hand, from May to September, Basso sees heavy downpours amounting from 32mm (1.26") to 149mm (5.87"). Breeze also fluctuates with wind speed ranging between 6.5km/h (4mph) to 9.7km/h (6mph), hitting the highest stride in May.

The best time to visit Basso

Given Basso's tropical wet and dry climate, travelers would find the period from November through February to be the most advantageous time to visit. This period registers the lowest humidity levels and rainfall is nearly non-existent. Moreover, sunlight bathes the city for ten hours daily, there is excellent visibility at 10km (6.2mi), and relatively cool temperatures prevail, averaging between 17.1°C (62.8°F) to 35.6°C (96.1°F).

The worst time to visit Basso

Planning a trip to Basso between June and September could be counterproductive. As Basso enters its wet phase, humidity levels rise sharply, mounting to as high as 80% in August. Combined with rainfall reaching a significant 149mm (5.87") in the same month, visibility reduces to just 9km (5.6mi). These conditions may challenge any outdoor activities planned during this period.

Spring weather in Basso

Spring in Basso, which is from March to May, brings noticeable ascension in humidity and temperature. Humidity ranges from 22% in March to 55% in May, echoing the weather's entrance into the wet phase. Concurrently, temperatures rise to a torrid 41.8°C (107.2°F) in April while maintaining warm nights at 26.7°C (80.1°F). The onset of rainfall is also spotted, starting subtly at 3mm (0.12") in March and accelerating to 45mm (1.77") by May.

Summer weather in Basso

Summer in Basso, from June to August, is defined by its heavy downpours. June witnesses rainfall amounting to 103mm (4.06"), lastly hitting a peak at 149mm (5.87") in August. Subsequently, Basso grows humid, with relative humidity peaking at 80% in August. Despite the rains, temperatures remain high fluctuating between 22.4°C (72.3°F) to 40°C (104°F).

Autumn weather in Basso

Autumn months in Basso range from September to November. Rainfall begins to abate, standing at 66mm (2.6") in September and disappearing completely by November. Simultaneously, both temperature and humidity start to drop, making the city more comfortable. November sees cooler nights at 21.8°C (71.2°F) and less damp days with 27% humidity.

Winter weather in Basso

Winter in Basso, which spans December to February, features the driest and coolest conditions of the year. Rainfall is non-existent during these months while temperatures stay tolerable, with nights at an average of 18.1°C (64.6°F) in December. Humidity also declines drastically, falling to 15% in January. However, winter days remain warm, maintaining high temperatures in the mid to high 30°C (86°F).

Weather in January

The weather in Basso, Benin, starts the year on the drier side, with January experiencing the lowest relative humidity of the year. Daylight extends almost to 12 hours, blessing the city with plenty of sunshine. Sturdy winds are a characteristic feature of this month, blowing at speeds reaching 9.2km/h (5.7mph). Weather in January »

Weather in February

The weather in February remains predominantly dry in Basso, Benin, with a marginal increase in rainfall compared to January. Keeping the trend of clear skies, visibility remains at 10km (6.2mi), catering to breathtaking views of the city. Weather in February »

Weather in March

March marks a significant change in the weather of Basso, Benin, as it steps away from the dryness of the previous months. The city witnesses a discernibly increase in rainfall and a spike in relative humidity. A slight dip in sunshine hours coupled with increased cloud cover indicates a transition toward wetter months. Weather in March »

Weather in April

As the dry season of Basso, Benin, fades right into the wetter months, April presents a substantial increase in rainfall, characterized by 11mm (0.43") of precipitation. The increasing cloud cover casts a beautiful monochromatic canvas across the city's skyline. Weather in April »

Weather in May

The onset of May signifies a deeper descent into the wet season in Basso, Benin. The rain gauge witnesses a striking rise, marking the month as one of the wettest periods of the year. On the thermal front, May shows a reduced gap between 'lows' and 'highs', maintaining a nice and stable temperature throughout. Weather in May »

Weather in June

As Basso, Benin, fully transitions into the wet season, June stands out with an increased number of rainy days. The cloud coverage further mounts up, casting an overcast aura over the city. Concurrently, there is a noticeable decline in both the sunshine hours and UV index, indicating more shady periods throughout the day. Weather in June »

Weather in July

Basso, Benin, in July, bears the brunt of the rainy season, resulting in a substantial increase in precipitation with up to 103mm (4.06") of rainfall. As the showers continue to drench the city, there is a surge both in the number of rainy days and the relative humidity. Weather in July »

Weather in August

August generally has bleak weather in Basso, Benin, with the city recording its highest rainfall of 149mm (5.87") for the year. Intermittent showers and an increase in the number of rain-fed days make the city appear quite misty. Weather in August »

Weather in September

September in Basso, Benin, witnesses a gradual alleviation from the heavy rains of the preceding month. The cloud cover and relative humidity gradually drop, signaling the approaching dry months. However, persistent showers do not shy away entirely, with the city experiencing an average rainfall of 66mm (2.6"). Weather in September »

Weather in October

Weather in Basso, Benin, during October, takes a turn towards dryness, initiating a transition to the drier months of the year. The rainfall dips dramatically, accompanied by a noteworthy drop in relative humidity, thus initiating a gradual decline in the number of rainy days. Weather in October »

Weather in November

Approaching the end of the year, November weather in Basso, Benin, reverts back to the dry climate, marked by minimal rainfall. Despite decreased rainy days, relative humidity still lingers around 27%, providing some moisture in the air. Weather in November »

Weather in December

December marks the finale of the climatic cycle in Basso, Benin, with weather returning to its initial dry and clear state. The grandeur of the city is amplified with increased sunshine hours and reduced cloud cover. Accompanied by mild winds, the weather turns relatively cooler, resulting in a drop in temperatures. Weather in December »
Updated: Aug 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the least humid month?
January is the least humid month, with an average relative humidity of 15%.
What is the driest month?
January, November and December are months without rainfall.
How many days does it rain?
Throughout the year, there are 103.6 rainfall days, and 438mm (17.24") of precipitation is accumulated.
What are the months with the most sunshine?
The months with the most sunshine are January, November and December, with an average of 10h of sunshine.
When does it rain?
Months with rainfall are February through October.
What are the months with the highest UV index?
February through May, with an average maximum UV index of 8, are months with the highest UV index.
What are the warmest months?
April, recognised by an average high temperature of 41.8°C (107.2°F) and a low of 26.7°C (80.1°F), is Basso's warmest month.
When are the longest days?
With an average of 12h and 42min of daylight, June has the longest days of the year.
What is the coldest month?
Basso's temperature records reveal August as the coldest month, marked by average highs of 30.7°C (87.3°F) and lows of 22.4°C (72.3°F).
What is the most humid month?
With an average relative humidity of 80%, August is the most humid month.
What is the rainiest month in Basso?
The month with the most rainfall is August, when the rain falls for 23.8 days and typically aggregates up to 149mm (5.87") of precipitation.
What is the month with the least sunshine?
The month with the least sunshine is August, with an average of 7.6h of sunshine.
What are the months with the lowest UV index?
August and December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the month with the shortest days?
With an average of 11h and 30min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST)?
Basso does not utilize Daylight Saving Time (DST). WAT timezone is used over the entire year.
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Average temperature
Basso, Benin

The warmest month (with the highest average high temperature) is April (41.8°C).
The month with the lowest average high temperature is August (30.7°C).

The month with the highest average low temperature is May (27.2°C).
The coldest month (with the lowest average low temperature) is January (17.1°C).

Average pressure
Basso, Benin

The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is April (1007.5mbar).

Average wind speed
Basso, Benin

The windiest month (with the highest average wind speed) is May (9.7km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).

Average humidity
Basso, Benin

The month with the highest relative humidity is August (80%).
The month with the lowest relative humidity is January (15%).

Average rainfall
Basso, Benin

The wettest month (with the highest rainfall) is August (149mm).
The driest months (with the least rainfall) are January, November and December (0mm).

Average rainfall days
Basso, Benin

The month with the highest number of rainy days is August (23.8 days).
The months with the least rainy days are January, November and December (0.1 days).

Average daylight / Average sunshine
Basso, Benin

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

The months with the most sunshine are January, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 36min).

Average sunshine days
Basso, Benin

The months with the most sunshine days are January and December (30.9 days).
The month with the least sunshine days is August (5.3 days).

Average UV index
Basso, Benin

The months with the highest UV index are February, March, April and May (UV index 8).
The months with the lowest UV index are August and December (UV index 6).

Average cloud cover
Basso, Benin

The month with the most cloud cover is August (Cloud cover 46).
The month with the least cloud cover is December (Cloud cover 3).

Average visibility
Basso, Benin

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

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