Isoka in Summer
In summer (December, January and February), Isoka sees average daytime highs around 28°C and overnight lows near 19°C, with 689 mm of rain over about 74 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 30°C in early December to 27°C by late February. The sky is clear or mostly clear about 5% of the time across summer, and the air most often feels muggy.
Summer is Isoka's weakest season of the year to visit on our travel score. For the whole year in context, see Isoka's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 689 mm
- 74 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Isoka in Summer
Over the season highs ease from about 30°C in early December to 27°C by late February.
A typical summer day in Isoka reaches about 28°C and drops to 19°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Isoka
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer 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 the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 19° | 266 | 27.4 | 12.5 | 3.7 |
| Feb | 27° / 19° | 226 | 24.1 | 12.3 | 3.8 |
| Mar | 27° / 18° | 196 | 26.2 | 12.1 | 4.0 |
| Apr | 26° / 17° | 94 | 16.7 | 11.8 | 5.6 |
| May | 26° / 15° | 10 | 2.6 | 11.5 | 8.1 |
| Jun | 25° / 13° | 0 | 0.1 | 11.4 | 8.9 |
| Jul | 25° / 12° | 0 | 0 | 11.5 | 8.9 |
| Aug | 28° / 13° | 0 | 0.1 | 11.7 | 8.1 |
| Sep | 31° / 16° | 1 | 0.4 | 11.9 | 6.1 |
| Oct | 33° / 18° | 9 | 2.2 | 12.2 | 4.6 |
| Nov | 32° / 20° | 58 | 10 | 12.5 | 4.0 |
| Dec | 29° / 19° | 196 | 22.3 | 12.6 | 3.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 5% of the time across summer.
Chance of precipitation in Summer
Isoka gets around 689 mm of rain over 74 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 36 min in early December to 12 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.3 kWh/m².
Hazard calendar for Isoka
In summer, Isoka overlaps 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.
Is summer a good time to visit Isoka?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Isoka.
What to pack for Isoka in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Isoka sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 74 days see rain.
UV index in Isoka in Summer
Clear-sky midday UV across summer averages around 15 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 16 | 17 | 16 | 14 | 10 | 10 | 10 | 11 | 12 | 13 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 17 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 10 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Isoka in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 11 | 9 | 9 | 8 | 15 | 32 | 52 | 49 | 46 | 15 | 7 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Poor | Poor | Poor | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 9 | Good |
| Apr | 9 | Good |
| May | 8 | Good |
| Jun | 15 | Moderate |
| Jul | 32 | Moderate |
| Aug | 52 | Poor |
| Sep | 49 | Poor |
| Oct | 46 | Poor |
| Nov | 15 | Moderate |
| Dec | 7 | Good |
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.
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.
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
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.