Climate and monthly weather forecastMali, Guinea
Climate and monthly weather forecast
The climate of Mali
Mali, located in West Africa, is primarily subject to a Tropical wet and dry climate, also known as savanna, as classified by the Köppen system with the code Aw. The climate comes with a distinct wet season from June to September, and a notable dry season from October through May.Throughout the year, Mali typically experiences high temperatures, ranging from a low of 19.1°C (66.4°F) to a high 41.6°C (106.9°F). The hottest month tends to be April, when temperatures can soar up to an average high of 41.6°C (106.9°F) and a low of 25.6°C (78.1°F). The coolest month, by comparison, is January with temperatures dropping to a night-time low of 19.1°C (66.4°F) and rising to a daytime high of 36°C (96.8°F).
Levels of humidity also vary throughout the year with lower values of 16% in January and February, progressively increasing to peak at 83% in August. Consistent with the rising humidity, Mali observes its highest rainfall during these wettest months as well. August records the highest rainfall, averaging 197mm (7.76"), and a significant 26.5 rain-affected days. The driest months, by contrast, are January and December, recording virtually no rainfall.
Amongst the characteristics of Mali's climate, the hours of daylight and sunshine remain fairly constant across the year. Daylight varies from 11.4 hours in December to 12.8 hours in June and July, while sunshine hovers between a lowest point of 7.5 hours in August and a maximum of 10 hours in March.
The best time to visit Mali
Given its tropical climate, a visit to Mali is especially pleasant during the dry season. This period, running from October to May, sees lower humidity levels and virtually no rainfall. December and January, characterized by milder temperatures between 19.1°C (66.4°F) and 36°C (96.8°F), along with plentiful sunlight averaging about 9.8 hours per day, are particularly enjoyable months for a visit.The worst time to visit Mali
The unpleasantly hot weather and the heavy rains of the wet season makes the months of June through to September less optimal for visits. August, in particular, not only records the highest rainfall and humidity but also sees temperatures rise to an average maximum of 31.2°C (88.2°F).Spring weather in Mali
In Mali, the spring months of March, April, and May are characterized by high temperatures, increasing relative humidity, and escalating rainfall. Temperatures rise steadily, starting from a high of 40.7°C (105.3°F) and low of 22.8°C (73°F) in March, to reach a high of 40.9°C (105.6°F) and low of 26.9°C (80.4°F) in May. Rainfall also sees an incremental increase from a mere 1mm (0.04") in March to a substantial 15mm (0.59") by May.Summer weather in Mali
Summer, stretching from June through August, marks the wet phase in Mali. High humidity, substantial rainfall, and reduced sunshine hours distinguish this season. In June, rainfall amounts surge to 67mm (2.64"), increasing further to 197mm (7.76") in August. Humidity levels also rise sharply, from 53% in June to 83% in August. The temperatures remain high but register a decrease compared to spring.Autumn weather in Mali
The autumn months of September, October, and November, segue from the wet to the dry phase. Rainfall reduces significantly, from 139mm (5.47") in September to just 5mm (0.2") in November, and temperature follows a similar trend, reducing progressively to offer a comfortable climate. Humidity also decreases, making these months more congenial for visitors.Winter weather in Mali
Winter in Mali, extending from December through February, is characterized by a dry and mild climate. The nightly average low temperature touches its lowest point at 19.1°C (66.4°F) in January, and the daytime temperatures rise to a high of 38.3°C (100.9°F) in February. Rainfall is nearly absent during these months and humidity is at its lowest, while daylight and sunshine hours hover between 11.4 to 11.8 and 9.8 to 9.8, respectively.Weather in January
Inhabitants of Guinea, Mali begin the year under clear skies and a low percentage of cloud coverage. January is one of the drier periods of the year with minimum average rainfall. Temperatures in January vary greatly, with the highest recorded at 36°C (96.8°F) while the lowest drops to 19.1°C (66.4°F). Weather in January »Weather in February
February presents a slight increase in atmospheric pressure relative to January. In addition, there's a rise in UV index that often leads to high radiation exposure. During this month, temperatures can rise to about 38.3°C (100.9°F) and then drop to about 20.3°C (68.5°F). Weather in February »Weather in March
March marks a small increase in temperatures alongside a steep surge in relative humidity compared to the previous months, paving way to increasingly warmer days. Average temperatures range from 22.8°C (73°F) at the minimum to a slightly sun-scorched 40.7°C (105.3°F) maximum. Weather in March »Weather in April
In April, contrasts in the weather patterns become more apparent with a stark increase in rainfall, averaging up to 2mm (0.08"). The temperature averages rise to an overheated 40°C (104°F), reaching its peak for the year at 41.6°C (106.9°F) yet still dropping to a relatively cool 25.6°C (78.1°F). Weather in April »Weather in May
May gets even wetter with rainfall amounting to 15mm (0.59"), a notable surge from April's 2mm (0.08") average. Peak temperatures begin to fall back from the extreme highs of April, reaching a less scalding 40.9°C (105.6°F). This mellower peak temperature, together with increased rainfall, brings about a perceivable drop in the overall heat intensity. Weather in May »Weather in June
The weather in June demonstrates a considerable increase in rainfall, reaching a staggering 67mm (2.64") as compared to the previous month. The trend of falling peak temperatures continues with the maximum temperature dropping to 38.2°C (100.8°F). Weather in June »Weather in July
July represents the apex of the annual monsoon, boasting an extraordinary rainfall average of 166mm (6.54"). Peak temperatures continue to plunge, reaching a year-round low of 33.7°C (92.7°F). Contrastingly, the lowest temperature stays stable from June to July at a balmy 23.4°C (74.1°F). Weather in July »Weather in August
August stands out with the highest recorded average rainfall of 197mm (7.76") per month. Cooling off considerably from previous months, maximum temperatures drop to 31.2°C (88.2°F). The low temperatures, however, hold steady at a warm 22.3°C (72.1°F). Weather in August »Weather in September
September marks a turn in climatic trend as it experiences a reduction in rainfall to 139mm (5.47"). Maximum temperatures exhibit an upward trend, reaching 31.9°C (89.4°F) but the nights remain relatively cooler at 22.5°C (72.5°F). Weather in September »Weather in October
In October, the monsoon recedes significantly, the average rainfall falling drastically to 42mm (1.65"). The weather becomes noticeably warmer with peak temperatures rising to 34.9°C (94.8°F) as average humidity drops to 66%. Weather in October »Weather in November
The trend of reducing rainfall continues into November with the average being a mere 5mm (0.2"). Simultaneously, maximum temperatures continue their rise, appreciating to a warm 36.4°C (97.5°F). November ushers in drier air, relative humidity falling to 38% from October's 66%. Weather in November »Weather in December
December concludes the calendar year with no recorded rainfall making it the driest month of the year. The maximum temperature remains stable from November at 35.7°C (96.3°F) and the minimum nightly temperature descends to 19.4°C (66.9°F), signifying the onset of relatively cooler nights. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mali, Guinea
The warmest month (with the highest average high temperature) is April (41.6°C).
The month with the lowest average high temperature is August (31.2°C).
The month with the highest average low temperature is May (26.9°C).
The coldest month (with the lowest average low temperature) is January (19.1°C).
Average pressure
Mali, Guinea
- Average pressure in January:
1012.3mbar - Average pressure in February:
1010.8mbar - Average pressure in March:
1009.7mbar - Average pressure in April:
1009mbar - Average pressure in May:
1009.9mbar - Average pressure in June:
1011.8mbar
- Average pressure in July:
1012.7mbar - Average pressure in August:
1012.7mbar - Average pressure in September:
1012.5mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1012mbar
The months with the highest atmospheric pressure are July and August (1012.7mbar).
The month with the lowest atmospheric pressure is April (1009mbar).
Average wind speed
Mali, Guinea
- Average wind speed in January:
7.1km/h - Average wind speed in February:
7.2km/h - Average wind speed in March:
7.1km/h - Average wind speed in April:
8.2km/h - Average wind speed in May:
9.3km/h - Average wind speed in June:
9.2km/h
- Average wind speed in July:
7.7km/h - Average wind speed in August:
6.6km/h - Average wind speed in September:
5.2km/h - Average wind speed in October:
5.5km/h - Average wind speed in November:
5km/h - Average wind speed in December:
6.4km/h
The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is November (5km/h).
Average humidity
Mali, Guinea
The month with the highest relative humidity is August (83%).
The months with the lowest relative humidity are January and February (16%).
Average rainfall
Mali, Guinea
The wettest month (with the highest rainfall) is August (197mm).
The driest months (with the least rainfall) are January and December (0mm).
Average rainfall days
Mali, Guinea
- Average rainfall days in January:
0.2 days - Average rainfall days in February:
0.3 days - Average rainfall days in March:
0.6 days - Average rainfall days in April:
2.9 days - Average rainfall days in May:
7.3 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
24.5 days - Average rainfall days in August:
26.5 days - Average rainfall days in September:
24.5 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
1.5 days - Average rainfall days in December:
0.3 days
The month with the highest number of rainy days is August (26.5 days).
The month with the least rainy days is January (0.2 days).
Average daylight / Average sunshine
Mali, Guinea
- Average daylight in January:
11h and 30min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 42min - Average daylight in June:
12h and 48min
- Average daylight in July:
12h and 48min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 36min - Average daylight in December:
11h and 24min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January:
9h and 48min - Average sunshine in February:
9h and 48min - Average sunshine in March:
10h and 0min - Average sunshine in April:
9h and 54min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
8h and 18min - Average sunshine in August:
7h and 30min - Average sunshine in September:
8h and 36min - Average sunshine in October:
9h and 36min - Average sunshine in November:
9h and 54min - Average sunshine in December:
9h and 48min
The month with the most sunshine is March (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days
Mali, Guinea
- Average sunshine days in January:
30.8 days - Average sunshine days in February:
27.9 days - Average sunshine days in March:
30.3 days - Average sunshine days in April:
27.3 days - Average sunshine days in May:
22.8 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
4.7 days - Average sunshine days in August:
3.3 days - Average sunshine days in September:
4.2 days - Average sunshine days in October:
15.1 days - Average sunshine days in November:
28.3 days - Average sunshine days in December:
30.8 days
The months with the most sunshine days are January and December (30.8 days).
The month with the least sunshine days is August (3.3 days).
Average UV index
Mali, Guinea
The months with the highest UV index are February, March, April and May (UV index 8).
The month with the lowest UV index is August (UV index 6).
Average cloud cover
Mali, Guinea
The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is March (Cloud cover 6).
Average visibility
Mali, Guinea
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).








