Isoka weather in January

In January, Isoka sees average daytime highs of 27°C and overnight lows near 19°C, with 266 mm of rain across 27.4 wet days and about 12.5 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 2% of the time in January, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of January to 12 h 24 min by month's end. Set against the rest of the year, January is Isoka's 12th-clearest and 11th-windiest month. For the whole year in context, see Isoka's year-round climate.

Daytime high
27°
6th warmest
Overnight low
19°
10th coldest
Rainfall
266 mm
27.4 wet days
Daylight
12 h 30 min
5:43 AM – 6:15 PM
Cloud cover
90%
12th clearest
Wind
4 km/h
11th windiest
Solar energy
5.13 kWh/m²
Travel score
3.7
out of 10

Isoka is human settlement.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in Isoka reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

How January really feels in Isoka

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Isoka weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°26627.412.53.7
Feb27° / 19°22624.112.33.8
Mar27° / 18°19626.212.14.0
Apr26° / 17°9416.711.85.6
May26° / 15°102.611.58.1
Jun25° / 13°00.111.48.9
Jul25° / 12°0011.58.9
Aug28° / 13°00.111.78.1
Sep31° / 16°10.411.96.1
Oct33° / 18°92.212.24.6
Nov32° / 20°581012.54.0
Dec29° / 19°19622.312.63.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of January, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21189
31189
41090
5991
6892
7892
8793
9694
10694
11694
12694
13694
14694
15694
16694
17595
18595
19595
20595
21595
22595
23694
24694
25694
26694
27694
28694
29694
30694
31694

Chance of precipitation in January

Any precipitation

Isoka gets around 266 mm of rain over 27.4 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 88% and peaks near 90% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
184
284
385
485
586
686
786
887
987
1087
1188
1288
1388
1488
1588
1688
1788
1888
1988
2088
2189
2289
2389
2490
2590
2690
2790
2890
2990
3090
3190

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
131879
221880
321781
421781
521682
611683
711683
811683
911683
1001684
1101783
1201783
1301783
1401783
1501783
1601783
1701882
1801882
1901882
2001783
2101783
2201783
2301684
2401684
2501684
2601585
2701585
2801486
2901486
3001387
3101387

Wind in January

Winds average 4 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 36 min at the start of January to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 5:35 AM to 5:49 AM, and sunset from 6:10 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:356:10
212.65:366:11
312.65:366:11
412.65:376:11
512.65:376:12
612.65:386:12
712.65:386:12
812.65:396:13
912.65:396:13
1012.65:406:13
1112.65:406:14
1212.65:416:14
1312.55:416:14
1412.55:426:14
1512.55:426:15
1612.55:436:15
1712.55:436:15
1812.55:446:15
1912.55:446:15
2012.55:456:16
2112.55:456:16
2212.55:466:16
2312.55:466:16
2412.55:466:16
2512.55:476:16
2612.55:476:16
2712.55:486:16
2812.55:486:16
2912.55:496:16
3012.55:496:16
3112.45:496:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.13 kWh/m².

For context, solar energy here swings from a low near 5.05 kWh/m² to a high of 6.9 kWh/m² in October across the year — January's 5.13 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Isoka

In seasonPeak

In January, Isoka sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Isoka's monsoon runs December–March, when most of the year's rain falls.

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

Is January a good time to visit Isoka?

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

3.7
Sightseeing
12th-best month of the year
3.8
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Isoka.

What to pack for Isoka in January

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

In January, Isoka sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Isoka in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Isoka peaks around February 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 13 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 16Jun 13UV 10
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr14Extreme
May10Very high
Jun10Very high
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme

Air quality in Isoka 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 Isoka is worst in August — around 52 µg/m³ PM2.5 (poor), about 7.0× the cleanest month (December, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodAug 2251 µg/m³Dec 208 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar9Good
Apr9Good
May8Good
Jun15Moderate
Jul32Moderate
Aug52Poor
Sep49Poor
Oct46Poor
Nov15Moderate
Dec7Good
Location & terrain

Where is Isoka?

Isoka sits at 10.2°S, 32.6°E, 1,321 m above sea level, in Zambia. The nearest listed city is Chinsali, 74 km away.

ChinsaliChitipaNakondeTundumaVwawaMlowoKarongaKyela

Topography around Isoka

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

Within 3 km, the terrain around Isoka has only modest variations in elevation — a maximum elevation change of 248 m around an average of 1,376 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 675 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,624 m.

The land around Isoka is covered by cropland (32%), trees (29%) and shrubs (22%) within 3 km, trees (47%) and shrubs (26%) within 16 km, and trees (42%), shrubs (27%) and grassland (26%) within 80 km.

3 km
248 m
16 km
675 m
80 km
1,624 m
treesshrubsgrasslandcroplandartificial surfaceswetland
January weather nearby: Chinsali 74 km · Chitipa 86 km · Nakonde 92 km · Tunduma 97 km · Vwawa 122 km · Mlowo 135 km · Karonga 145 km · Kyela 148 km

Zambia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / D / G
230 V · 50 Hz
Prices
≈ 30% of US
price level, 2025
GDP per capita
$1,318
2025
Happiness
4.1 / 10
World Happiness, 2025
Homicide rate
5.2
per 100k, 2015
Road deaths
20.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 573
Religion
Protestant 75%Roman Catholic 20%other 3%none 2%

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 Isoka (-10.1606°, 32.6335°, elevation 1,321 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).