Climate and monthly weather forecastKoumassi, Ivory Coast
Climate and monthly weather forecast
The climate of Koumassi
Unveiled in a distinct equatorial zone, Koumassi, on the Ivory Coast, is trodden by a tropical monsoon climate, categorized as Am under the Köppen climate classification. A tropical monsoon climate donates constant high temperatures mixed with substantial rainfall throughout the year.Transitioning between months, Koumassi's annual temperature fluctuates minimally, oscillating between a low of 23.4°C (74.1°F) to a high of 30.6°C (87.1°F). Temperature morphs calmly, with negligible monthly shifts. Meanwhile, monthly humidity relative remains consistently high, progressively shifting between 76% and 87% during the year, spelling out the area's trademark tropical atmosphere. What might strike out as peculiar is the constant 10 km visibility rate, uninfluenced by the climatological parameters throughout the year. Observing the sunshine hours and days uncovers a declining trend during the mid-year months, reflecting the quantity of cloud coverage which surges particularly between May and September.
Rainfall exhibits a more rigorous personality with a sizable difference between the driest month, February at 33mm (1.3"), and June with a monsoonal 232mm (9.13") of rain. Intriguingly, wind speed presents an upward curve from start to year's end, escalating from 10.3km/h (6.4mph) to a peak of 14.3km/h (8.9mph) in August, before tapering off towards the concluding months.
The best time to visit Koumassi
Given the climatic diversity throughout the year, the optimal time to tour Koumassi pertains largely to the traveler's preference. However, considering the mix of climatic influences, the period from December to February stands out as the most welcoming for tourists. In this spell, Koumassi flaunts milder temperatures, lingering between 25.5°C (77.9°F) and 30.4°C (86.7°F), combined with lowered rainfall rates, particularly in February with only 33mm (1.3") of rain. Additionally, relative humidity is at its lowest and daylight hours are at a near maximum, providing ample time for exploration.The worst time to visit Koumassi
Identifying adverse circumstances for travel, attention is attracted by the months of May to September. During this time, Koumassi is dominated by substantially greater rainfall, reaching its apex at 232mm (9.13") in June, accompanied by soaring humidity levels. Moreover, tourists seeking the sun might be disappointed by the short supply of sunshine hours and days during these months coupled with the escalated cloud coverage. This combination creates an environment less conducive for outdoor tourism activities.Spring weather in Koumassi
Spring in Koumassi, dwindling between March and May, portrays a transition towards the more intense rainy period. The temperature slightly ascends to a maximum of 30.6°C (87.1°F), while the lowest drops to a mild 26.5°C (79.7°F). A noteworthy increase in rainfall is observed during May, hitting 107mm (4.21"). Simultaneously, the cloud coverage and humidity rates rise, whilst the daytime visibility remains unchanged at 10 km.Summer weather in Koumassi
Shedding light on Koumassi's summer, from June to August, the climate shifts towards more monumental characteristics. Markedly, June brings an explosive rise in rainfall, shooting up to 232mm (9.13"). Meanwhile, humidity and cloud coverage reach their zenith. Despite temperatures marginally declining, remaining between 24.8°C (76.6°F) to 29.8°C (85.6°F), the blend of atmospheric components primarily encourages an indoor visit during these months.Autumn weather in Koumassi
Autumn in Koumassi, spanning from September to November, signals the departure of the most intense monsoon period and acts as a transition towards lesser rainfall. During these months, the city confronts temperatures from 23.7°C (74.7°F) to 29.1°C (84.4°F), while rainfall lessens progressively from 66mm (2.6") in September to 90mm (3.54") in November. Meanwhile, humidity and cloud coverage start their descent, opening the city for outdoor exploration.Winter weather in Koumassi
The winter months, classified from December to February in Koumassi, present plunging rain levels and moderated humidity. With temperatures exhibiting minor variation, from 25.5°C (77.9°F) to 30.4°C (86.7°F), and a consistent 10 km visibility, these months invite visitors for exploration. Notably, December takes the crown for the most sunshine days and hours, capturing the city under the most favorable conditions.Weather in January
As the new year begins in Koumassi, Ivory Coast, January introduces high levels of humidity, reflective of its tropical monsoon climate. While temperatures remain consistent, changes are discernible in the sky, specifically the cloud cover. Weather in January »Weather in February
Moving into February, Koumassi continues to display its tropical nature with its climatic continuities. Expectedly, the unvarying temperatures persist while the increased cloud cover creates slightly more shade than in January. Weather in February »Weather in March
March weather signifies a clear shift in the climatic pattern of Koumassi, with comparatively heavier rainfall and more cloud cover. Notwithstanding the stable temperature levels, these weather changes create a damp, more muggy atmosphere across the city. Weather in March »Weather in April
April ushers in a similar climate pattern from March, marked by a continuation of increased precipitation. The city's tropical warmth stays unswayed despite the sky's greyness from the heavy cloud cover. However, April is significant owing to the most considerable amount of rainfall recorded this year, with the city receiving an exceptional 232mm (9.13") on average. Weather in April »Weather in May
In May, the city of Koumassi welcomes dips in several weather elements, notably temperature, sunshine, and rainfall. Variations in these elements steer Koumassi into a pleasant weather phase marked by lesser rains and lighter warmth. Weather in May »Weather in June
Koumassi continues to experience a downward trend in temperatures during June. However, the pre-existing trend of decreasing rainfall is reversed in June, indicated by an increase in the number of rainy days. In this vein, the relative humidity also steps up, creating a distinctly moist atmosphere across the city. Weather in June »Weather in July
Moving into the second half of the year, July brings a blend of weather parameters that, in many ways, represents an average Koumassi weather month. While the wind speed steps up slightly, a corresponding increase in cloud cover casts more shadows across the city. Weather in July »Weather in August
As the year progresses to August, Koumassi's weather carries forward its stable monsoon characteristics from July. Though minor fluctuations in temperature and rainfall occur, the city retains its typical humid, breezy climate. One notable aspect of August weather is the impressive 85% average relative humidity, the highest recorded year-round. Weather in August »Weather in September
In September, as Koumassi transitions into the last quarter of the year, the weather presents an interesting combination of reduced cloud cover and slightly increased sunshine. Temperature levels continue to dwell around the mean, while notable fluctuations in wind speed or rainfall are absent. Weather in September »Weather in October
As October unrolls in Koumassi, distinct weather elements are absent, leading to the stabilization of the pattern formed in the preceding months. While the temperatures, rainfall, and wind speeds display minor variations, the sunshine duration and cloud cover maintain their trend from September. Weather in October »Weather in November
November weather in Koumassi exhibits a similar pattern to October, marked by minor shifts in temperatures, cloud cover, and rainfall. Despite the city's typically persistent climate elements, November stands out due to fewer windy days. Weather in November »Weather in December
Rounding up the year, December in Koumassi carries forward the familiar weather trend from the last few months featuring slight fluctuations in temperature, sunshine, and rainfall. A significant jump in cloud cover lends a slightly shadier outlook to December. Weather in December »Updated: Aug 16, 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
The least humid month is January, with an average relative humidity of 76%.
January is the month with the least rainfall. Rain falls for 16.1 days and accumulates 33mm (1.3") of precipitation.
In Koumassi, during the entire year, the rain falls for 288.7 days and collects up to 1009mm (39.72") of precipitation.
January and April, with an average of 9.2h of sunshine, are months with the most sunshine.
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Koumassi.
April is the month when Koumassi, Ivory Coast, sees the average highest temperatures, with a high of 30.6°C (87.1°F) and a low of 26.5°C (79.7°F).
June is the month with the most rainfall. Rain falls for 28.5 days and accumulates 232mm (9.13") of precipitation.
The month with the longest days is June, with an average of 12h and 24min of daylight.
The months with the lowest UV index in Koumassi are June through September, with an average maximum UV index of 6.
July and August, with an average of 5.5h of sunshine, are months with the least sunshine in Koumassi.
August is Koumassi's coldest month, registering average high temperatures of 26.3°C (79.3°F) and lows of 23.4°C (74.1°F).
With an average relative humidity of 87%, September is the most humid month.
The month with the shortest days is December, with an average of 11h and 48min of daylight.
Koumassi does not observe Daylight Saving Time (DST). GMT timezone is used throughout the entire year.
Average temperature
Koumassi, Ivory Coast
The warmest month (with the highest average high temperature) is April (30.6°C).
The month with the lowest average high temperature is August (26.3°C).
The month with the highest average low temperature is April (26.5°C).
The coldest month (with the lowest average low temperature) is August (23.4°C).
Average pressure
Koumassi, Ivory Coast
- Average pressure in January:
1010.8mbar - Average pressure in February:
1009.9mbar - Average pressure in March:
1010mbar - Average pressure in April:
1010.1mbar - Average pressure in May:
1011.3mbar - Average pressure in June:
1013.3mbar
- Average pressure in July:
1014mbar - Average pressure in August:
1013.8mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1010.6mbar - Average pressure in December:
1010.7mbar
The month with the highest atmospheric pressure is July (1014mbar).
The month with the lowest atmospheric pressure is February (1009.9mbar).
Average wind speed
Koumassi, Ivory Coast
- Average wind speed in January:
11.2km/h - Average wind speed in February:
12.8km/h - Average wind speed in March:
13.3km/h - Average wind speed in April:
12.7km/h - Average wind speed in May:
12km/h - Average wind speed in June:
13km/h
- Average wind speed in July:
14.2km/h - Average wind speed in August:
14.3km/h - Average wind speed in September:
12.8km/h - Average wind speed in October:
11.7km/h - Average wind speed in November:
10.3km/h - Average wind speed in December:
10.3km/h
The windiest month (with the highest average wind speed) is August (14.3km/h).
The calmest months (with the lowest average wind speed) are November and December (10.3km/h).
Average humidity
Koumassi, Ivory Coast
The month with the highest relative humidity is September (87%).
The month with the lowest relative humidity is January (76%).
Average rainfall
Koumassi, Ivory Coast
- Average rainfall in January:
33mm - Average rainfall in February:
40mm - Average rainfall in March:
54mm - Average rainfall in April:
58mm - Average rainfall in May:
107mm - Average rainfall in June:
232mm
The wettest month (with the highest rainfall) is June (232mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days
Koumassi, Ivory Coast
- Average rainfall days in January:
16.1 days - Average rainfall days in February:
18.2 days - Average rainfall days in March:
21.7 days - Average rainfall days in April:
22.2 days - Average rainfall days in May:
26.8 days - Average rainfall days in June:
28.5 days
- Average rainfall days in July:
26.7 days - Average rainfall days in August:
25 days - Average rainfall days in September:
26.5 days - Average rainfall days in October:
28.4 days - Average rainfall days in November:
27.8 days - Average rainfall days in December:
20.8 days
The month with the highest number of rainy days is June (28.5 days).
The month with the least rainy days is January (16.1 days).
Average daylight / Average sunshine
Koumassi, Ivory Coast
- Average daylight in January:
11h and 54min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 12min - Average daylight in May:
12h and 24min - Average daylight in June:
12h and 24min
- Average daylight in July:
12h and 24min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 54min - Average daylight in December:
11h and 48min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in January:
9h and 12min - Average sunshine in February:
8h and 54min - Average sunshine in March:
9h and 6min - Average sunshine in April:
9h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
6h and 18min
- Average sunshine in July:
5h and 30min - Average sunshine in August:
5h and 30min - Average sunshine in September:
6h and 6min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 36min - Average sunshine in December:
8h and 54min
The months with the most sunshine are January and April (Average sunshine: 9h and 12min).
The months with the least sunshine are July and August (Average sunshine: 5h and 30min).
Average sunshine days
Koumassi, Ivory Coast
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
6.9 days - Average sunshine days in March:
5.8 days - Average sunshine days in April:
5.4 days - Average sunshine days in May:
2.5 days - Average sunshine days in June:
0.5 days
- Average sunshine days in July:
1.5 days - Average sunshine days in August:
2 days - Average sunshine days in September:
0.5 days - Average sunshine days in October:
0.9 days - Average sunshine days in November:
1.4 days - Average sunshine days in December:
6.2 days
The month with the most sunshine days is January (12.3 days).
The months with the least sunshine days are June and September (0.5 days).
Average UV index
Koumassi, Ivory Coast
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).
Average cloud cover
Koumassi, Ivory Coast
The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is January (Cloud cover 23).
Average visibility
Koumassi, Ivory Coast
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
