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Contents
- The climate of San
- The Best Time to Visit San
- The Worst Time to Visit San
- Spring Weather in San
- Summer Weather in San
- Autumn Weather in San
- Winter Weather in San
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of San
San, a sprawling city situated in the West African country of Mali, exhibits a subtropical steppe climate, as characterized by the Köppen climate classification BSh. This designation implies a dry, warm environment, with yearly temperature fluctuations and rainfall predominantly confined to a specific period.
Temperatures in San range considerably throughout the year, with monthly averages for high temperatures varying from 33.5°C (92.3°F) to 41.5°C (106.7°F). These temperatures, coupled with relative humidity levels fluctuating from 13% to 65%, create distinct seasonal variations. Low temperatures also exhibit a noteworthy variation, with monthly averages oscillating between 17.9°C (64.2°F) and 29.4°C (84.9°F).
Rainfall patterns in San are somewhat consistent with the steppe climate, with virtually no rainfall from January to March, a gradual increase from April to July, peaking in August with 122mm (4.8"), before tapering off through September and October and stopping entirely in November and December.
Numerous sunshine hours are a key feature of San's climate, with no month receiving fewer than 7.7 hours of direct sunlight daily. Coupled with consistent visibility at 10km (6.2mi) and average cloud cover remaining below 33% throughout the year, San's climate presents extended sunny periods.
Wind speeds, range from 8.3km/h (5.2mph) to 12.6km/h (7.8mph), with gusts reaching up to 21.3km/h (13.2mph). This combination of relatively low average wind speeds and gusts reflects a significantly calm atmospheric condition throughout the majority of the year.
Temperatures in San range considerably throughout the year, with monthly averages for high temperatures varying from 33.5°C (92.3°F) to 41.5°C (106.7°F). These temperatures, coupled with relative humidity levels fluctuating from 13% to 65%, create distinct seasonal variations. Low temperatures also exhibit a noteworthy variation, with monthly averages oscillating between 17.9°C (64.2°F) and 29.4°C (84.9°F).
Rainfall patterns in San are somewhat consistent with the steppe climate, with virtually no rainfall from January to March, a gradual increase from April to July, peaking in August with 122mm (4.8"), before tapering off through September and October and stopping entirely in November and December.
Numerous sunshine hours are a key feature of San's climate, with no month receiving fewer than 7.7 hours of direct sunlight daily. Coupled with consistent visibility at 10km (6.2mi) and average cloud cover remaining below 33% throughout the year, San's climate presents extended sunny periods.
Wind speeds, range from 8.3km/h (5.2mph) to 12.6km/h (7.8mph), with gusts reaching up to 21.3km/h (13.2mph). This combination of relatively low average wind speeds and gusts reflects a significantly calm atmospheric condition throughout the majority of the year.
The Best Time to Visit San
Optimal visiting times hinge on personal preferences; however, considering climate and weather conditions, November through February offer the most comfortable conditions. Average high temperatures range from 33.5°C (92.3°F) to 36.9°C (98.4°F), with lows between 17.9°C (64.2°F) and 20.3°C (68.5°F) ensuring cooler evenings. These months yield virtually no rainfall, and relative humidity levels remain at their annual low, oscillating between 13% and 15%.
The Worst Time to Visit San
Arguably the least pleasant time to visit revolves around the rainiest period: July and August. While the average high temperatures during this period remain manageable, from 36.3°C (97.3°F) to 33.5°C (92.3°F), the significant increase in relative humidity to 65% can make conditions feel more uncomfortable. Additionally, expected rainfall reaches its yearly peak with 122mm (4.8") in August, coinciding with the highest number of rainy days at 18.
Spring Weather in San
During spring - March through May - temperatures start to rise, with average highs moving from 40°C (104°F) to 41.5°C (106.7°F) and lows ranging from 23.5°C (74.3°F) to 29.4°C (84.9°F). Spring also signals the start of the rainy season, with April and May experiencing an average of 2mm (0.08") and 6mm (0.24") of rainfall, respectively. The relative humidity begins to rise during this period, starting at 13% in March and increasing to 28% in May.
Summer Weather in San
June to August represent San's summer season. High temperatures hover from 39.6°C (103.3°F) to 33.5°C (92.3°F), while lows stay between 29.2°C (84.6°F) and 24.7°C (76.5°F). This period also represents the peak of the rainy season, with July and August receiving significant amounts of precipitation, up to 122mm (4.8") falling in August. Humidity levels reach their yearly peak, making the weather feel much warmer.
Autumn Weather in San
Autumn, from September to November, sees a gradual decrease in temperature, with highs going from 37.5°C (99.5°F) to 36.9°C (98.4°F) and lows fluctuating from 25.6°C (78.1°F) to 23.2°C (73.8°F). Rainfall also begins to decline, reducing from 37mm (1.46") in September to a negligible one millimeter in November.
Winter Weather in San
Winter in San is characterized by lower temperatures and little to no rainfall. December through February sees average high temperatures from 34.1°C (93.4°F) to 36.9°C (98.4°F) and average low temperatures ranging from 19°C (66.2°F) to 20.3°C (68.5°F). It is also the driest period of the year, with January and February receiving no recorded rainfall.
Weather in January
January ushers in the year with warm and dry conditions, geared towards the higher end of the spectrum in San, Mali. Notably, temperatures vary from 17.9°C (64.2°F) to 33.8°C (92.8°F), demonstrating a considerable range for this time of year. Weather in January »
Weather in February
Moving into February, the weather in San reveals a subtle upward tendency in temperature. The climatic conditions remain predominantly dry, similar to the previous month. One could observe the peak of ultraviolet index during this month, making the application of sunscreen a crucial practice. Weather in February »
Weather in March
March brings in some changes in the weather conditions of San, Mali. The days grow slightly longer, paralleling the minor enhancement in temperature observed last month. Rainfall remains a rare commodity, while clear skies continue to dominate the month. Weather in March »
Weather in April
By the time April arrives, San, Mali starts to encounter the early signs of the rainy season. Rainfall doubles to 2mm (0.08") from the previous month, though it remains insignificant in the grand scheme of the city’s annual precipitation. Weather in April »
Weather in May
May marks a shift in San, Mali weather as the rainfall intensifies threefold compared to the April showers, registering 6mm (0.24"). The progression in temperature takes a backseat, with little to no variation in comparison to the previous month. Weather in May »
Weather in June
June witnesses the heaviest rainfall on record for the year in San, Mali, with a total of 20mm (0.79"). The shift in weather conditions becomes evident as humidity levels soar, coinciding with the onset of the wet season. Notwithstanding, the days are longest at this time of year contributing to extended sunlight hours. Weather in June »
Weather in July
The climatic narrative in San, Mali during July is one of building humidity and increased rainfall. A striking feature of July’s weather is that it records the highest rainfall for the year with 61mm (2.4"). Even though the rains persist, the daily sunshine hours decrease marginally. Weather in July »
Weather in August
August is the month of peak humidity in San, Mali, emphasising the city’s tropical weather profile. It brings with it the maximum rainfall of an impressive 122mm (4.8"), while the temperature range narrows compared to previous months. Weather in August »
Weather in September
September signals a shift in weather patterns in San, Mali. Rainfall sharply decreases from 122mm (4.8") to 37mm (1.46"), indicative of the impending end of the rainy season. Temperature ranges slowly start to broaden again, suggesting a return to hotter conditions. Weather in September »
Weather in October
October brings a break from the heavy rains, as the weather turns considerably drier in San, Mali. A marginal drop in both humidity and rainfall accentuates the onset of drier days. The increase in daylight hours is subtle, but certainly noticeable. Weather in October »
Weather in November
Transitioning into November, the climatic disposition of San, Mali takes a turn towards cooler conditions. The rainfall decreases to a meagre 1mm (0.04"), highlighting the onset of the dry season. Temperatures start to lean towards the lower end of the spectrum. Weather in November »
Weather in December
As the year draws to a close, December’s weather in San, Mali is characterised by cool and extremely dry conditions. Temperatures range between a chilly 19°C (66.2°F) and a balmy 34.1°C (93.4°F) across the city. A significant decline in relative humidity is observed, marking the reign of the dry season. 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
What is the driest month in San?
In San, Mali, rain does not fall in January, February and December.
How much does it rain in San?
Throughout the year, there are 66.1 rainfall days, and 257mm (10.12") of precipitation is accumulated.
What are the least humid months in San?
February and March, with an average relative humidity of 13%, are the least humid months in San.
When does it rain in San?
Months with rainfall in San are March through November.
What is the warmest month in San?
The month of April sees the average highest temperatures, reaching 41.5°C (106.7°F) at the peak and 26.8°C (80.2°F) at the low.
When is the highest UV index in San?
The months with the highest UV index in San, Mali, are April and May, with an average maximum UV index of 9.
What month has the most sunshine in San?
With an average of 12.1h of sunshine, May has the most sunshine of the year in San, Mali.
When are the longest days in San?
With an average of 12h and 54min of daylight, June has the longest days of the year.
What time of the year is the coldest in San?
In San, the average lowest temperatures are observed in August, with a high of 33.5°C (92.3°F) and a low of 24.7°C (76.5°F).
What is the most humid month in San?
The most humid month in San, Mali, is August, with an average relative humidity of 65%.
What is the wettest month in San?
The month with the most rainfall is August, when the rain falls for 18 days and typically aggregates up to 122mm (4.8") of precipitation.
What is the month with the least sunshine in San?
November has the least sunshine of the year in San, with an average of 7.7h of sunshine.
What is the month with the shortest days in San?
December has the shortest days of the year in San, with an average of 11h and 24min of daylight.
Is there Daylight Saving Time (DST) in San?
San does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.
What is the month with the lowest UV index in San?
The month with the lowest UV index in San is December, with an average maximum UV index of 6.
Average temperature
San, Mali
The warmest month (with the highest average high temperature) is April (41.5°C).
The month with the lowest average high temperature is August (33.5°C).
The month with the highest average low temperature is May (29.4°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).
Average pressure
San, Mali
- Average pressure in January:
1012.9mbar - Average pressure in February:
1010.7mbar - Average pressure in March:
1008.8mbar - Average pressure in April:
1007.6mbar - Average pressure in May:
1008.1mbar - Average pressure in June:
1009.7mbar
- Average pressure in July:
1010.6mbar - Average pressure in August:
1011mbar - Average pressure in September:
1011mbar - Average pressure in October:
1009.7mbar - Average pressure in November:
1010.2mbar - Average pressure in December:
1012.5mbar
The month with the highest atmospheric pressure is January (1012.9mbar).
The month with the lowest atmospheric pressure is April (1007.6mbar).
Average wind speed
San, Mali
- Average wind speed in January:
12.3km/h - Average wind speed in February:
12.5km/h - Average wind speed in March:
11km/h - Average wind speed in April:
10km/h - Average wind speed in May:
10.7km/h - Average wind speed in June:
11.8km/h
- Average wind speed in July:
11.1km/h - Average wind speed in August:
10.2km/h - Average wind speed in September:
8.7km/h - Average wind speed in October:
8.3km/h - Average wind speed in November:
10.2km/h - Average wind speed in December:
12.6km/h
The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is October (8.3km/h).
Average humidity
San, Mali
The month with the highest relative humidity is August (65%).
The months with the lowest relative humidity are February and March (13%).
Average rainfall
San, Mali
The wettest month (with the highest rainfall) is August (122mm).
The driest months (with the least rainfall) are January, February and December (0mm).
Average rainfall days
San, Mali
- Average rainfall days in January:
0.2 days - Average rainfall days in February:
0.2 days - Average rainfall days in March:
1.1 days - Average rainfall days in April:
2.9 days - Average rainfall days in May:
4.5 days - Average rainfall days in June:
8.8 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
18 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
4.1 days - Average rainfall days in November:
0.3 days - Average rainfall days in December:
0 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is December (0 days).
Average daylight / Average sunshine
San, Mali
- Average daylight in January:
11h and 2min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 4min - Average daylight in June:
12h and 5min
- Average daylight in July:
12h and 5min - Average daylight in August:
12h and 4min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 3min - Average daylight in December:
11h and 2min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January:
9h and 5min - Average sunshine in February:
9h and 5min - Average sunshine in March:
9h and 5min - Average sunshine in April:
10h and 0min - Average sunshine in May:
12h and 1min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
8h and 4min - Average sunshine in September:
9h and 4min - Average sunshine in October:
8h and 4min - Average sunshine in November:
7h and 4min - Average sunshine in December:
7h and 5min
The month with the most sunshine is May (Average sunshine: 12h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days
San, Mali
- Average sunshine days in January:
30.9 days - Average sunshine days in February:
27.9 days - Average sunshine days in March:
30 days - Average sunshine days in April:
26.9 days - Average sunshine days in May:
25.1 days - Average sunshine days in June:
19.1 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
25.8 days - Average sunshine days in November:
29.6 days - Average sunshine days in December:
31 days
The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (11.6 days).
Average UV index
San, Mali
The months with the highest UV index are April and May (UV index 9).
The month with the lowest UV index is December (UV index 6).
Average cloud cover
San, Mali
The month with the most cloud cover is August (Cloud cover 33).
The months with the least cloud cover are February, November and December (Cloud cover 7).
Average visibility
San, 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).
