Diéma weather in January

In January, Diéma sees average daytime highs of 31°C and overnight lows near 17°C, with 1 mm of rain across 0.2 wet days and about 11.2 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 55% 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 Diéma's 4th-clearest and 2nd-windiest month. For the whole year in context, see Diéma's year-round climate.

Daytime high
31°
12th warmest
Overnight low
17°
1st coldest
Rainfall
1 mm
0.2 wet days
Daylight
11 h 12 min
7:09 AM – 6:23 PM
Cloud cover
39%
4th clearest
Wind
12 km/h
2nd windiest
Solar energy
5.46 kWh/m²
Travel score
5.6
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Diéma reaches about 31°C in the afternoon and slips back to 17°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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
103117
113117
123117
133117
143117
153117
163117
173117
183117
193117
203117
213117
223117
233218
243218
253218
263218
273218
283218
293218
303218
313318

How January really feels in Diéma

Once humidity and wind are folded in, January averages 5 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
5
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.

Diéma weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°10.211.25.6
Feb34° / 20°00.111.53.7
Mar38° / 23°10.211.91.5
Apr40° / 26°10.512.30.0
May41° / 28°92.412.70.0
Jun39° / 28°337.512.80.8
Jul34° / 25°11114.812.82.8
Aug31° / 24°18518.512.53.4
Sep33° / 24°1121412.13.3
Oct36° / 23°305.411.72.3
Nov35° / 20°10.211.32.9
Dec32° / 18°00.111.24.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26337
36337
46337
56337
66436
76436
86436
96634
106634
116733
126832
136832
146832
156931
166931
176931
187129
197129
207129
217129
227228
237228
247129
257129
267129
277129
287129
297129
307228
317228

Chance of precipitation in January

Any precipitation

Diéma 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 0% 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
160
170
180
191
201
211
221
231
241
251
261
271
280
290
300
310

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
51000
61000
71000
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
311000

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012light breeze
3112light breeze

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 7:05 AM to 7:10 AM, and sunset from 6:15 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:056:15
211.27:066:15
311.27:066:16
411.27:066:16
511.27:076:17
611.27:076:17
711.27:076:18
811.27:086:18
911.27:086:19
1011.27:086:19
1111.27:086:20
1211.27:096:21
1311.27:096:21
1411.27:096:22
1511.27:096:22
1611.27:096:23
1711.27:096:23
1811.27:106:24
1911.27:106:24
2011.37:106:25
2111.37:106:26
2211.37:106:26
2311.37:106:27
2411.37:106:27
2511.37:106:28
2611.37:106:28
2711.37:106:29
2811.37:106:29
2911.37:106:30
3011.37:106:30
3111.47:106:31

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.46 kWh/m².

For context, solar energy here swings from a low near 5.27 kWh/m² to a high of 7.23 kWh/m² in April across the year — January's 5.46 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.8Bright
Planning a trip in January

Hazard calendar for Diéma

In seasonPeak

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

Diéma sees seasonal dust haze (February–October), heaviest in June.

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

Is January a good time to visit Diéma?

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

5.6
Sightseeing
1st-best month of the year
8.4
Beach & pool
1st-best month of the year

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

What to pack for Diéma in January

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

In January, Diéma sees daytime highs around 31°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Diéma in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Diéma peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 17UV 13Dec 18UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr11Extreme
May11Extreme
Jun10Very high
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov9Very high
Dec7High

Air quality in Diéma 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 Diéma is worst in February — around 67 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (August, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 1867 µg/m³Aug 2016 µg/m³
PM2.5 (µg/m³)Level
Jan58Unhealthy
Feb67Unhealthy
Mar64Unhealthy
Apr52Poor
May46Poor
Jun44Poor
Jul24Moderate
Aug15Moderate
Sep19Moderate
Oct47Poor
Nov54Poor
Dec54Poor
Location & terrain

Where is Diéma?

Diéma sits at 14.5°N, 9.2°W, 255 m above sea level, in Mali. The nearest listed city is Nioro, 88 km away.

MahinaKolokaniKitaBafoulabéNaraBanambaTembedgha

Topography around Diéma

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

Within 3 km, the terrain around Diéma has only modest variations in elevation — a maximum elevation change of 19 m around an average of 254 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, only modest variations in elevation — a maximum elevation change of 243 m.

The land around Diéma is covered by cropland (60%) and grassland (27%) within 3 km, cropland (59%) and grassland (34%) within 16 km, and grassland (58%) and cropland (23%) within 80 km.

3 km
19 m
16 km
70 m
80 km
243 m
shrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Nioro 88 km · Mahina 121 km · Kolokani 165 km · Kita 170 km · Bafoulabé 195 km · Nara 216 km · Banamba 218 km · Tembedgha 218 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 Diéma (14.54°, -9.1921°, elevation 255 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).