Climate and monthly weather forecastNioro du Sahel, Mali
Climate and monthly weather forecast
The climate of Nioro du Sahel
Nioro du Sahel in Mali experiences a BSh or Subtropical steppe climate as per the Köppen climate classification, a weather system categorized by a vast difference in the day and night temperatures, with hot daytime conditions and noticeably cooler evenings. Being close to the equator, Nioro du Sahel is distinctly warmer, with temperatures peaking at 41.9°C (107.4°F) in May and dropping to a low of 15.8°C (60.4°F) in January each year. The daylight hours range from 11.2 hours to 13 hours, with an average of approximately twelve hours per day.Relative humidity levels fluctuate significantly throughout the year, with January and February seeing the lowest humidity levels at 14%, and reaching a peak of 62% during August, mainly due to the rainfall. The rainfall also follows a cyclical pattern, with the lowest level recorded at 0mm (0") during February and December and peaking at 105mm (4.13") in August. August sees the highest rainfall with majestic downpours in the afternoons, turning the surroundings into a vibrant green paradise.
The sun shines bright in Nioro du Sahel with most days witnessing substantial sunshine hours. Despite a reasonably constant count of daylight hours from 11.2 to 13 hours throughout the year, the hours of sunshine vary slightly. The maximum amount of sunshine, at 9.9 hours per day, is experienced during May and June. The average wind speed changes between 9.8km/h (6.1mph) and 14.3km/h (8.9mph), demonstrating relatively moderate wind conditions.
The best time to visit Nioro du Sahel
Visiting Nioro du Sahel between November and February offers an opportunity to experience moderate weather conditions with minimal rainfall. These months boast comfortably lower temperature ranges, from 17.5°C (63.5°F) to 34.5°C (94.1°F), and relative humidity levels at their lowest, reducing the chance of discomfort from excessive heat and humidity. Additionally, these months maintain good visibility conditions with an average visibility of 10km (6.2mi), ideal for sightseeing and exploring the local area.The worst time to visit Nioro du Sahel
While August can often be a popular month for tourists globally, it can be considered the least favorable month to visit Nioro du Sahel. August is characterized by the highest rainfall of 105mm (4.13"), coupled with the highest humidity levels of 62%. Despite the temperature being marginally cooler, ranges from 25.6°C (78.1°F) to 34.3°C (93.7°F), the increase in humidity can make the climate feel substantially hotter than it is.Spring weather in Nioro du Sahel
Spring in Nioro du Sahel spans from March to May, where the temperature sees a dramatic rise. March experiences temperatures from 20.8°C (69.4°F) to 38.5°C (101.3°F), April has temperatures ranging from 23.8°C (74.8°F) to 41.3°C (106.3°F), and May witnessing the peak temperatures from 28.5°C (83.3°F) to 41.9°C (107.4°F). It's a season of change with the rainfall increasing from 1mm (0.04") to 5mm (0.2") and the days becoming significantly longer, extending up to 12.8 hours.Summer weather in Nioro du Sahel
Summer in Nioro du Sahel is characterized by temperatures maintaining a high between 30.3°C (86.5°F) to 41.1°C (106°F) in June and reducing slightly to a range of 27.9°C (82.2°F) to 37.2°C (99°F) by August. The summer months also see a substantial increase in rainfall from 7mm (0.28") in June to a peak of 105mm (4.13") in August. While the sun continues to shine brightly for around 9.5 to 9.8 hours per day, an increase in cloud cover can be witnessed during this period.Autumn weather in Nioro du Sahel
Autumn in Nioro du Sahel experiences temperatures receding from the summer highs, starting from 26.4°C (79.5°F) to 36°C (96.8°F) in September and dropping to 22.6°C (72.7°F) to 35.9°C (96.6°F) by November. Although the rainfall also reduces significantly from 58mm (2.28") in September to a mere 1mm (0.04") by November, the average hours of sunshine maintain their bright disposition, staying around 9.7 to 9.8 hours per day.Winter weather in Nioro du Sahel
Winter in Nioro du Sahel brings cooler temperatures, providing a welcome respite after the hot months. December sees temperatures ranging from 17.5°C (63.5°F) to 32.2°C (90°F), which rise slightly in January to 15.8°C (60.4°F) to 31.7°C (89.1°F), before starting to increase in February. Rainfall is at a minimum during the winter months, recording at 0mm (0") in December and February and 1mm (0.04") in January. Simultaneously, the average hours of sunshine stay high, making winter an ideal time to soak in the sun.Weather in January
The weather in Nioro du Sahel, Mali, greets the New Year with warm and dry conditions. Despite temperatures hovering at an average minimum of 15.8°C (60.4°F), afternoon peaks can push the mercury to an invigorating 31.7°C (89.1°F). Weather in January »Weather in February
Continuing the pattern established in January, February exhibits only a minor shift in the prevailing weather conditions. However, the nuance of change lies in the slight increase in temperature; the highs reach 34.5°C (94.1°F) while the lows linger around 17.8°C (64°F). Weather in February »Weather in March
Transition to March introduces a more noticeable rise in temperatures, pushing Nioro du Sahel to experience its warmest phase yet. The escalation continues with daytime highs reaching 38.5°C (101.3°F) and lows being a balmy 20.8°C (69.4°F), portraying the onset of searing heat. Weather in March »Weather in April
April sees the weather in Nioro du Sahel hitting arguably its hottest stripe, with average daytime temperatures climbing to a sizzling 41.3°C (106.3°F). Defying the increasing heat, the rainfall remains unyielding with a barely there presence, underlining the persistent aridity of the region. Weather in April »Weather in May
As May surfaces, Nioro du Sahel makes a break from the dry spell with rainfall levels rising to 5mm (0.2"). This small influx of moisture grants a slight relief from the sweltering heat as temperatures range from a high of 41.9°C (107.4°F) to a considerable low of 28.5°C (83.3°F). Weather in May »Weather in June
June brings a prominent shift in Nioro du Sahel’s weather with an upswing in rainfall levels that reach 7mm (0.28"). The rainfall does little to wane the heat, which averages 30.3°C (86.5°F) at the low end and soars to a maximum of 41.1°C (106°F). Weather in June »Weather in July
July heralds a distinct change in Nioro du Sahel’s weather with rainfall reaching its highest level yet at 62mm (2.44"), rendering this month the wettest in the calendar year. Maximum temperatures limit to an agreeable 37.2°C (99°F), while a cool 27.9°C (82.2°F) marks the average low, providing much-needed alleviation from the persistent heat. Weather in July »Weather in August
August proves to be the rainiest month in Nioro du Sahel, drenching the city with an appreciable 105mm (4.13") of rainfall. The relief from rising humidity levels is evident as temperatures range from a significant low of 25.6°C (78.1°F) to a moderate high of 34.3°C (93.7°F). Weather in August »Weather in September
Jobbing into September, a notable drop in rainfall levels can be seen when compared to preceding months. Overall, temperatures in Nioro du Sahel remain pleasantly warm with daytime highs escalating to 36°C (96.8°F) and lows dipping to 26.4°C (79.5°F). Weather in September »Weather in October
The arrival of October heralds a significant reduction in rainfall dropping down to a sparse 9mm (0.35"). Even as the dry weather reestablishes itself, temperatures in Nioro du Sahel persist on the warmer side, swinging from an average low of 26.4°C (79.5°F) to a high of a searing 38.1°C (100.6°F). Weather in October »Weather in November
In November, despite witnessing a decline in temperature levels, the city remains substantially hot. The minimal rainfall, barely registering at 1mm (0.04") marks a return to aridity similar to that of the year’s onset. November marks a gradual return to the typical Sahel weather, with the temperature ranging from 22.6°C (72.7°F) at night to 35.9°C (96.6°F) during the day. Weather in November »Weather in December
In December, Nioro du Sahel gives way to cooler climes with temperatures ranging from an agreeable low of 17.5°C (63.5°F), owing to the region's proximity to the cooler Saharan climate, to an impressive high of 32.2°C (90°F). Weather in December »Updated: Feb 6, 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
In Nioro du Sahel, January records the average lowest temperatures, peaking at 31.7°C (89.1°F) and reaching a low of 15.8°C (60.4°F).
Months with rainfall are January, March through November.
Throughout the year, there are 49.8 rainfall days, and 250mm (9.84") of precipitation is accumulated.
January and December, with an average maximum UV index of 6, are months with the lowest UV index in Nioro du Sahel, Mali.
The months with the lowest humidity in Nioro du Sahel are February through April, with an average relative humidity of 14%.
February and December are months without rainfall in Nioro du Sahel.
April and May, with an average of 9.9h of sunshine, are months with the most sunshine in Nioro du Sahel, Mali.
Nioro du Sahel reaches its average highest temperatures in May, measuring 41.9°C (107.4°F) at the peak and 28.5°C (83.3°F) at the lowest.
With an average maximum UV index of 9, May is the month with the highest UV index.
With an average of 13h and 0min of daylight, June has the longest days of the year.
The most humid month in Nioro du Sahel, Mali, is August, with an average relative humidity of 62%.
The month with the most rainfall is August, when the rain falls for 13.2 days and typically aggregates up to 105mm (4.13") of precipitation.
The month with the least sunshine in Nioro du Sahel is August, with an average of 9h of sunshine.
December has the shortest days of the year in Nioro du Sahel, Mali, with an average of 11h and 12min of daylight.
Nioro du Sahel does not utilize Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Nioro du Sahel, Mali
The warmest month (with the highest average high temperature) is May (41.9°C).
The month with the lowest average high temperature is January (31.7°C).
The month with the highest average low temperature is June (30.3°C).
The coldest month (with the lowest average low temperature) is January (15.8°C).
Average pressure
Nioro du Sahel, Mali
- Average pressure in January:
1014mbar - Average pressure in February:
1012mbar - Average pressure in March:
1010mbar - Average pressure in April:
1008.3mbar - Average pressure in May:
1008.1mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1010.2mbar - Average pressure in August:
1010.7mbar - Average pressure in September:
1010.7mbar - Average pressure in October:
1009.9mbar - Average pressure in November:
1011.1mbar - Average pressure in December:
1013.6mbar
The month with the highest atmospheric pressure is January (1014mbar).
The month with the lowest atmospheric pressure is May (1008.1mbar).
Average wind speed
Nioro du Sahel, Mali
- Average wind speed in January:
13.8km/h - Average wind speed in February:
14.2km/h - Average wind speed in March:
13.3km/h - Average wind speed in April:
12km/h - Average wind speed in May:
11.7km/h - Average wind speed in June:
12.7km/h
- Average wind speed in July:
13.9km/h - Average wind speed in August:
12.8km/h - Average wind speed in September:
10.5km/h - Average wind speed in October:
9.8km/h - Average wind speed in November:
12km/h - Average wind speed in December:
14.3km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is October (9.8km/h).
Average humidity
Nioro du Sahel, Mali
The month with the highest relative humidity is August (62%).
The months with the lowest relative humidity are February, March and April (14%).
Average rainfall
Nioro du Sahel, Mali
The wettest month (with the highest rainfall) is August (105mm).
The driest months (with the least rainfall) are February and December (0mm).
Average rainfall days
Nioro du Sahel, Mali
- Average rainfall days in January:
0.3 days - Average rainfall days in February:
0.3 days - Average rainfall days in March:
0.6 days - Average rainfall days in April:
2 days - Average rainfall days in May:
3.4 days - Average rainfall days in June:
4.3 days
- Average rainfall days in July:
10.2 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
4.2 days - Average rainfall days in November:
0.5 days - Average rainfall days in December:
0.1 days
The month with the highest number of rainy days is August (13.2 days).
The month with the least rainy days is December (0.1 days).
Average daylight / Average sunshine
Nioro du Sahel, Mali
- Average daylight in January:
11h and 18min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 48min - Average daylight in June:
13h and 0min
- Average daylight in July:
12h and 54min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 24min - Average daylight in December:
11h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in January:
9h and 42min - Average sunshine in February:
9h and 42min - Average sunshine in March:
9h and 48min - Average sunshine in April:
9h and 54min - Average sunshine in May:
9h and 54min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
9h and 30min - Average sunshine in August:
9h and 0min - Average sunshine in September:
9h and 42min - Average sunshine in October:
9h and 48min - Average sunshine in November:
9h and 48min - Average sunshine in December:
9h and 42min
The months with the most sunshine are April and May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 9h and 0min).
Average sunshine days
Nioro du Sahel, Mali
- Average sunshine days in January:
30.5 days - Average sunshine days in February:
27.7 days - Average sunshine days in March:
30.5 days - Average sunshine days in April:
28.1 days - Average sunshine days in May:
26.6 days - Average sunshine days in June:
24.2 days
- Average sunshine days in July:
19.3 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
25.7 days - Average sunshine days in November:
29.5 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 (16.5 days).
Average UV index
Nioro du Sahel, Mali
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover
Nioro du Sahel, Mali
The month with the most cloud cover is August (Cloud cover 27).
The month with the least cloud cover is April (Cloud cover 6).
Average visibility
Nioro du Sahel, Mali
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).
