Isoka weather in December

In December, Isoka sees average daytime highs of 29°C and overnight lows near 19°C, with 196 mm of rain across 22.3 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 11% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Isoka's 9th-clearest and 9th-windiest month. For the whole year in context, see Isoka's year-round climate.

Daytime high
29°
4th warmest
Overnight low
19°
11th coldest
Rainfall
196 mm
22.3 wet days
Daylight
12 h 36 min
5:28 AM – 6:03 PM
Cloud cover
78%
9th clearest
Wind
5 km/h
9th windiest
Solar energy
5.49 kWh/m²
Travel score
3.9
out of 10

Isoka is human settlement.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical December day in Isoka reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs about 3°C cooler than November and about 2°C warmer than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83019
92919
102919
112919
122919
132919
142919
152919
162919
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

How December really feels in Isoka

Once humidity and wind are folded in, December 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

December 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 December compares with the rest of the year at a glance. December is the 4th-warmest and 3rd-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23565
33565
43466
53367
63268
73070
83070
92971
102674
112674
122575
132476
142278
152179
161981
171981
181882
191882
201882
211882
221783
231684
241684
251684
261585
271585
281486
291387
301387
311387

Chance of precipitation in December

Any precipitation

Isoka gets around 196 mm of rain over 22.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 72% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
153
255
356
457
559
660
762
863
965
1066
1168
1269
1371
1472
1573
1674
1775
1876
1977
2078
2178
2279
2379
2480
2580
2681
2781
2882
2982
3083
3183

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
114194126
213184227
312174229
411174231
510164232
69164134
78154136
87154038
96143941
105143843
115133745
124123647
134113550
143113452
153103354
16393256
17283159
18283060
19272962
20272863
21262765
22262666
23252568
24152470
25152371
26142372
27142273
28142174
29142075
30032077
31031978

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 5:23 AM to 5:35 AM, and sunset from 5:56 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:235:56
212.65:235:56
312.65:235:57
412.65:245:57
512.65:245:58
612.65:245:58
712.65:245:59
812.65:255:59
912.65:256:00
1012.65:266:00
1112.65:266:01
1212.65:266:01
1312.65:276:02
1412.65:276:02
1512.65:276:03
1612.65:286:03
1712.65:286:04
1812.65:296:04
1912.65:296:05
2012.65:306:05
2112.65:306:06
2212.65:316:06
2312.65:316:07
2412.65:326:07
2512.65:326:08
2612.65:336:08
2712.65:336:09
2812.65:346:09
2912.65:346:09
3012.65:356:10
3112.65:356:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.49 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 — December's 5.49 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Isoka

In seasonPeak

In December, 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 December a good time to visit Isoka?

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

3.9
Sightseeing
10th-best month of the year
4.8
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Isoka.

What to pack for Isoka in December

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

In December, Isoka sees daytime highs around 29°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Isoka in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).