San weather in January

In January, San sees average daytime highs of 32°C and overnight lows near 18°C, with 1 mm of rain across 0.2 wet days and about 11.3 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 62% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of January to 11 h 24 min by month's end. Set against the rest of the year, January is San's 2nd-clearest and 2nd-windiest month. For the whole year in context, see San's year-round climate.

Daytime high
32°
11th warmest
Overnight low
18°
1st coldest
Rainfall
1 mm
0.2 wet days
Daylight
11 h 18 min
6:50 AM – 6:08 PM
Cloud cover
33%
2nd clearest
Wind
10 km/h
2nd windiest
Solar energy
5.63 kWh/m²
Travel score
5.3
out of 10

San is town in Mali.

Density
666/km²
people per km²
Founded
1400

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 33°C by the end.

A typical January day in San reaches about 32°C in the afternoon and slips back to 18°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°C. Set against its neighbours, January runs about 1°C cooler than December and about 3°C cooler than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13117
23117
33117
43117
53117
63117
73117
83117
93117
103118
113118
123118
133118
143218
153218
163218
173218
183218
193218
203218
213218
223218
233218
243218
253318
263319
273319
283319
293319
303319
313319

How January really feels in San

Once humidity and wind are folded in, January averages 11 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
11
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°10.211.35.3
Feb35° / 21°0011.63.4
Mar38° / 24°10.411.91.3
Apr40° / 27°92.612.30.3
May39° / 28°205.912.60.6
Jun36° / 27°4310.412.81.9
Jul33° / 25°12317.412.73.0
Aug31° / 24°19620.912.43.3
Sep32° / 24°10714.812.13.5
Oct35° / 24°265.811.72.7
Nov35° / 21°10.211.43.0
Dec33° / 18°0011.24.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27426
37426
47426
57426
67426
77426
87426
97426
107426
117426
127426
137525
147426
157426
167525
177525
187426
197525
207525
217624
227624
237723
247723
257822
267822
277921
287921
298020
308119
318119

Chance of precipitation in January

Any precipitation

San gets around 1 mm of rain over 0.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28991
29991
30991
31991

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 12 min at the start of January to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:46 AM to 6:51 AM, and sunset from 6:00 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:466:00
211.26:466:00
311.26:476:01
411.26:476:01
511.26:476:02
611.26:486:02
711.26:486:03
811.36:486:03
911.36:486:04
1011.36:496:04
1111.36:496:05
1211.36:496:06
1311.36:496:06
1411.36:506:07
1511.36:506:07
1611.36:506:08
1711.36:506:08
1811.36:506:09
1911.36:506:09
2011.36:516:10
2111.36:516:10
2211.36:516:11
2311.36:516:11
2411.46:516:12
2511.46:516:12
2611.46:516:13
2711.46:516:13
2811.46:516:14
2911.46:516:14
3011.46:516:15
3111.46:516:15

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.63 kWh/m².

For context, solar energy here swings from a low near 5.35 kWh/m² to a high of 6.79 kWh/m² in March across the year — January's 5.63 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for San

In seasonPeak

None of San's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

San's monsoon runs July–September, when most of the year's rain falls.

San sees seasonal dust haze (February–July), heaviest in April.

Monsoon
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit San?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.3
Sightseeing
1st-best month of the year
8.3
Beach & pool
1st-best month of the year

January is a reasonable time to visit San for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, San sees daytime highs around 32°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in San in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 17UV 13Jan 10UV 8
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr11Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in San in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in San is worst in March — around 68 µg/m³ PM2.5 (unhealthy), about 4.7× the cleanest month (August, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorMar 1068 µg/m³Aug 1815 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb67Unhealthy
Mar68Unhealthy
Apr56Unhealthy
May41Poor
Jun33Moderate
Jul21Moderate
Aug14Moderate
Sep19Moderate
Oct29Moderate
Nov32Moderate
Dec46Poor
Location & terrain

Where is San?

San sits at 13.3°N, 4.9°W, 277 m above sea level, in Mali. The nearest listed city is Djenné, 77 km away.

BlaYorossoDiourouMoninnpébougouKoutialaKouri

Topography around San

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San.

Within 3 km, the terrain around San has only modest variations in elevation — a maximum elevation change of 21 m around an average of 278 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 39 m; within 80 km, only modest variations in elevation — a maximum elevation change of 205 m.

The land around San is covered by artificial surfaces (40%) and cropland (37%) within 3 km, grassland (40%) and cropland (38%) within 16 km, and grassland (43%), cropland (30%) and shrubs (21%) within 80 km.

3 km
21 m
16 km
39 m
80 km
205 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Djenné 77 km · Ké-Macina 89 km · Bla 101 km · Yorosso 105 km · Diourou 110 km · Moninnpébougou 116 km · Koutiala 118 km · Kouri 124 km

Mali travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,193
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
22.7
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 408
Religion
Muslim 94%Christian 3%none 3%animist 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San (13.297°, -4.8963°, elevation 277 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).