Climate and monthly weather forecastAdeli, Benin
Climate and monthly weather forecast
The climate of Adeli
Adeli, situated in the region of Benin, is predominantly characterized by a climate type known as Aw, according to the Köppen climate classification. This climate is commonly referred to as the "Tropical wet and dry," or "Savannah." Throughout the year, temperatures in Adeli exhibit a range from 19.2°C (66.6°F) typically occurring in January to a pinnacle of 38.8°C (101.8°F) around March. Indeed, this area experiences significant warmth during all twelve months.In assessing the area’s humidity, there exists a substantial variation as the year progresses. The lowest proportion of relative humidity, 19% occurs in January, gradually increasing and hitting its highest level at 85% in August. As for rainfall, the pattern displays a clear trend: from 1mm (0.04") in February, it elevates dramatically to 129mm (5.08") by August, receding down to 0mm (0") by December. The number of rainy days follows a similar trajectory.
Another noteworthy climate factor is the amount of daylight and sunshine the town receives. Adeli enjoys a consistent stretch of daylight hours stretching from 11.6 to 12.7 hours throughout the year, with the longest periods occurring around June. Correspondingly, December and January record the lowest number of sunshine days in a month, with counts as low as 30.5 days.
The best time to visit Adeli
Analyzing the climatic data in conjunction with typical visitor preferences for comfortable weather, November showcases conditions most favorable for tourists. With temperatures lying between 22.5°C (72.5°F) and 35.3°C (95.5°F), humidity around 42%, and rainfall at a mere 1mm (0.04") over the span of approximately 1.3 days, weather conditions are quite pleasant. Additionally, the town provides an ample amount of sunshine, giving tourists an average of 10 hours per day to explore and enjoy the local attractions.The worst time to visit Adeli
Contrasting drastically from November, August presents the least favorable conditions for travel. High humidity of approximately 85%, average temperatures stretching from 21.4°C (70.5°F) to 28.5°C (83.3°F), and rainfall measuring up to 129mm (5.08") across 26.6 days can be expected. Additionally, the month provides the lowest amount of sunshine, approximately 7.6 hours per day, further restricting outdoor activities for visitors.Spring weather in Adeli
During the spring months of March, April, and May, weather in Adeli can be quite variable. Temperatures reach upwards from 23.8°C (74.8°F) to a soaring 38.8°C (101.8°F) in March, and taper off to a cooler range from 24.6°C (76.3°F) to 35.3°C (95.5°F) by May. Rainfall begins to accrue, rising from 22mm (0.87") in March to 70mm (2.76") in May across an increasing number of days. Despite the upswing in precipitation, spring continues to offer plentiful sunshine, with averages falling between 10.4 to 11.6 hours per day.Summer weather in Adeli
The summer months of June, July, and August signify the peak of the rainy season for Adeli. Temperatures range from 21.8°C (71.2°F) to 32.8°C (91°F) in June and level to between 21.4°C (70.5°F) and 28.5°C (83.3°F) by August. Rainfall hits its annual high with a considerable 129mm (5.08") in August. However, the town receives less sunshine during summer, experiencing the year's shortest duration of sunshine hours of approximately 7.6 hours per day in August.Autumn weather in Adeli
With autumn comes reprieve from high rainfall. From September to November, rainfall decreases markedly from 111mm (4.37") to just 1mm (0.04"). Temperatures remain consistently warm, oscillating between 22°C (71.6°F) and 35.3°C (95.5°F). Sunshine begins its return, increasing from 7.7 hours per day in September to almost 10 hours by November.Winter weather in Adeli
Winter months in Adeli, encompassing December, January, and February, signal a dry period with practically no rainfall. In December, temperatures ranges from 20.5°C (68.9°F) to 35.5°C (95.9°F), cooling off to between 19.2°C (66.6°F) and 36.3°C (97.3°F) by February. Despite the absence of rain, the town has a moderate UV index of 7, suggesting a need for protective measures against sun exposure. Overall, the winter months bring an excess of sunshine, achieving upwards of 8.3 hours per day by February.Weather in January
In January, Adeli, Benin experiences significantly drier conditions compared to the coming months. The cold Harmattan winds blowing from the Sahara Desert are at the peak, resulting in dusty and mild dry conditions. Interestingly, January has the year's lowest average humidity of 19%. Weather in January »Weather in February
In comparison to January, temperatures in February begin to climb. The lifting average temperature creates a noticeable shift in weather conditions. Most notably, February sees a rainfall average of 3mm (0.12"), a significant increase from January figures, announcing the end of the Harmattan period. Weather in February »Weather in March
March marks the transition period entering into Adeli's rainy season. This shift in weather showcases a remarkable growth in rain and relative humidity, signaling the forthcoming weather changes. This month witnesses rainfall amounts climb to 22mm (0.87"), indicating an end to the dry conditions of the previous months. Weather in March »Weather in April
The weather in April suggests the true onset of the rainy season in Adeli. Noticeable weather characteristics include amplified cloud cover, increased humidity, and an overall dampened atmosphere. A prominent feature of April is the escalation in rainfall to 50mm (1.97"), a characteristic trait of this season. Weather in April »Weather in May
Adeli's weather in May exhibits a steady continuity of the rainy season. Pervasive showers, abundant cloudiness, and persistent high humidity are the month's trademarks. A key weather pattern witnessed this month is the rainfall shooting up to 70mm (2.76"). Weather in May »Weather in June
Looking at June's weather in Adeli, the typical tropical climate is in full swing. High relative humidity, escalated rainfall, and cloudy skies are dominant features this month. The climate in June reaches a peak with 70% relative humidity, reflecting the start of the rainy season's zenith. Weather in June »Weather in July
The highest rainfall levels are recorded in July, a characteristic facet of Adeli's weather. The tropical climate permeates every aspect of the city's weather, from intense cloud cover to heightened humidity. With the city receiving an average of 110mm (4.33") of rain, plan for wetter conditions. Weather in July »Weather in August
August exhibits the pinnacle of Adeli's rainy season. Expected weather characteristics include persistent rainfall, thick cloud cover, and the highest humidity levels of the year. A distinguishing attribute of August's weather is the rainfall value, reaching up to 129mm (5.08"), more than any other month. Weather in August »Weather in September
As September approaches in Adeli, gradual drying begins, and the wet season starts to wind down. Reduction in rainfall, slight relief in humidity, and overall cooler temperatures become increasingly noticeable. During this month, a slight drop in rainfall to 111mm (4.37") marks the impending end of the rainy season. Weather in September »Weather in October
October in Adeli is a period of transitional weather, implying the end of the rainy season. Clearing skies, lessening rainfall, and dropping temperatures signify the onset of the dry season. This month, rainfall decreases to 67mm (2.64"), indicating the retreat of the rainy season. Weather in October »Weather in November
As November sets in, the weather in Adeli significantly cools down, with decreased rainfall and reduced humidity. The retreat of the wet season is complete, instigating the incoming dry season. The city's weather is at its driest with only 1mm (0.04") of rainfall, an all-time low for the year. Weather in November »Weather in December
December in Adeli is characterized by pronounced dryness, cooler temperatures, and less cloud cover. This marks the peak of the dry season, with the nearly absent rainfall and dusty Harmattan winds. Strikingly, the month has virtually no rainfall, accentuating the severe dry conditions. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Adeli, Benin
The warmest month (with the highest average high temperature) is March (38.8°C).
The month with the lowest average high temperature is August (28.5°C).
The month with the highest average low temperature is April (25.1°C).
The coldest month (with the lowest average low temperature) is January (19.2°C).
Average pressure
Adeli, Benin
- Average pressure in January:
1010.8mbar - Average pressure in February:
1009.1mbar - Average pressure in March:
1008.5mbar - Average pressure in April:
1008.6mbar - Average pressure in May:
1010.1mbar - Average pressure in June:
1012.1mbar
- Average pressure in July:
1012.9mbar - Average pressure in August:
1012.8mbar - Average pressure in September:
1012.3mbar - Average pressure in October:
1010.8mbar - Average pressure in November:
1009.9mbar - Average pressure in December:
1010.7mbar
The month with the highest atmospheric pressure is July (1012.9mbar).
The month with the lowest atmospheric pressure is March (1008.5mbar).
Average wind speed
Adeli, Benin
- Average wind speed in January:
8.6km/h - Average wind speed in February:
7.7km/h - Average wind speed in March:
7.4km/h - Average wind speed in April:
8.4km/h - Average wind speed in May:
8.4km/h - Average wind speed in June:
8.1km/h
- Average wind speed in July:
7.8km/h - Average wind speed in August:
7.4km/h - Average wind speed in September:
5.8km/h - Average wind speed in October:
6.1km/h - Average wind speed in November:
6.3km/h - Average wind speed in December:
8.3km/h
The windiest month (with the highest average wind speed) is January (8.6km/h).
The calmest month (with the lowest average wind speed) is September (5.8km/h).
Average humidity
Adeli, Benin
The month with the highest relative humidity is August (85%).
The month with the lowest relative humidity is January (19%).
Average rainfall
Adeli, Benin
The wettest month (with the highest rainfall) is August (129mm).
The driest month (with the least rainfall) is December (0mm).
Average rainfall days
Adeli, Benin
- Average rainfall days in January:
0.5 days - Average rainfall days in February:
2 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
22.7 days - Average rainfall days in August:
26.6 days - Average rainfall days in September:
24.5 days - Average rainfall days in October:
18.1 days - Average rainfall days in November:
1.3 days - Average rainfall days in December:
0.1 days
The month with the highest number of rainy days is August (26.6 days).
The month with the least rainy days is December (0.1 days).
Average daylight / Average sunshine
Adeli, Benin
- Average daylight in January:
11h and 42min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 36min - Average daylight in June:
12h and 42min
- Average daylight in July:
12h and 36min - Average daylight in August:
12h and 24min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 42min - Average daylight in December:
11h and 36min
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 36min).
- Average sunshine in January:
7h and 42min - Average sunshine in February:
9h and 54min - Average sunshine in March:
10h and 24min - Average sunshine in April:
11h and 48min - Average sunshine in May:
11h and 36min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
8h and 30min - Average sunshine in August:
7h and 36min - Average sunshine in September:
7h and 42min - Average sunshine in October:
9h and 12min - Average sunshine in November:
10h and 0min - Average sunshine in December:
8h and 18min
The month with the most sunshine is April (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 36min).
Average sunshine days
Adeli, Benin
- Average sunshine days in January:
30.5 days - Average sunshine days in February:
25.9 days - Average sunshine days in March:
22.3 days - Average sunshine days in April:
17.2 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
6.5 days - Average sunshine days in August:
3 days - Average sunshine days in September:
3.9 days - Average sunshine days in October:
11 days - Average sunshine days in November:
28 days - Average sunshine days in December:
30.9 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is August (3 days).
Average UV index
Adeli, Benin
The months with the highest UV index are February, March and April (UV index 8).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover
Adeli, Benin
The month with the most cloud cover is August (Cloud cover 55).
The month with the least cloud cover is December (Cloud cover 3).
Average visibility
Adeli, 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 August and September (8km).








