Siavonga weather in August

In August, Siavonga sees average daytime highs of 28°C and overnight lows near 17°C, with 0 mm of rain across 0.1 wet days and about 11.4 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 30°C by the end. The sky is clear or mostly clear about 85% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of August to 11 h 42 min by month's end. Set against the rest of the year, August is Siavonga's 1st-clearest and 4th-windiest month. For the whole year in context, see Siavonga's year-round climate.

Daytime high
28°
9th warmest
Overnight low
17°
3rd coldest
Rainfall
0 mm
0.1 wet days
Daylight
11 h 24 min
6:26 AM – 5:52 PM
Cloud cover
14%
1st clearest
Wind
9 km/h
4th windiest
Solar energy
5.7 kWh/m²
Travel score
8.1
out of 10

Siavonga is human settlement in Zambia.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 30°C by the end.

A typical August day in Siavonga reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, August runs about 3°C warmer than July and about 4°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92717
102817
112817
122817
132817
142817
152817
162817
172817
182917
192918
202918
212918
222918
232918
242918
252918
262918
273018
283018
293019
303019
313019

How August really feels in Siavonga

Once humidity and wind are folded in, August 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

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

Siavonga weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°27322.112.93.6
Feb30° / 23°20919.212.63.9
Mar30° / 23°13515.812.14.5
Apr29° / 21°375.711.66.2
May28° / 18°30.611.28.0
Jun26° / 16°10.2119.0
Jul26° / 15°10.211.19.1
Aug28° / 17°00.111.48.1
Sep32° / 21°20.311.95.5
Oct34° / 24°121.812.43.7
Nov33° / 25°781012.83.3
Dec31° / 24°21820.3133.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 85% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 4%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2955
3955
4964
5964
6964
7964
8964
9973
10964
11964
12964
13964
14964
15964
16964
17973
18973
19964
20964
21964
22964
23964
24964
25964
26964
27955
28955
29955
30955
31955

Chance of precipitation in August

Any precipitation

Siavonga gets around 0 mm of rain over 0.1 wet days in August, the driest month. 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 0% 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
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
183161
283161
383161
483161
583161
683161
783161
883161
983161
1083161
1184160
1283170
1383170
1482180
1582180
1681190
1780200
1880200
1980200
2079210
2179210
2279210
2379210
2479210
2579210
2679210
2779210
2879210
2979210
3079210
3179210

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 18 min at the start of August to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over August. Sunrise moves from 6:34 AM to 6:15 AM, and sunset from 5:49 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:345:49
211.36:335:49
311.36:335:49
411.36:325:50
511.36:325:50
611.36:325:50
711.36:315:50
811.36:315:51
911.36:305:51
1011.46:305:51
1111.46:295:51
1211.46:285:52
1311.46:285:52
1411.46:275:52
1511.46:275:52
1611.46:265:52
1711.56:255:53
1811.56:255:53
1911.56:245:53
2011.56:235:53
2111.56:235:53
2211.56:225:54
2311.56:215:54
2411.66:215:54
2511.66:205:54
2611.66:195:54
2711.66:195:54
2811.66:185:55
2911.66:175:55
3011.66:165:55
3111.76:155:55

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.7 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 7.13 kWh/m² in October across the year — August's 5.7 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Intense
256.0Intense
266.1Intense
276.1Intense
286.2Intense
296.2Intense
306.2Intense
316.3Intense
Planning a trip in August

Hazard calendar for Siavonga

In seasonPeak

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

Siavonga'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 August a good time to visit Siavonga?

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

8.1
Sightseeing
3rd-best month of the year
9.2
Beach & pool
1st-best month of the year

August is one of the better times to visit Siavonga for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Siavonga in August

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

In August, Siavonga sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Siavonga in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Siavonga peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 19UV 15Jul 10UV 8
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep10Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Siavonga in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Siavonga is worst in September — around 32 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (December, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1531 µg/m³Dec 217 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar8Good
Apr8Good
May9Good
Jun12Good
Jul16Moderate
Aug25Moderate
Sep32Moderate
Oct23Moderate
Nov11Good
Dec7Good
Location & terrain

Where is Siavonga?

Siavonga sits at 16.5°S, 28.7°E, 528 m above sea level, in Zambia. The nearest listed city is Kariba, 10 km away.

KafueKaroiChilanga TownshipPalabanaChisankaneMazabuka

Topography around Siavonga

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

Within 3 km, the terrain around Siavonga has only modest variations in elevation — a maximum elevation change of 160 m around an average of 505 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 577 m; within 80 km, large variations in elevation — a maximum elevation change of 1,163 m.

The land around Siavonga is covered by water (55%) within 3 km, water (58%) and shrubs (26%) within 16 km, and shrubs (53%) and trees (20%) within 80 km.

3 km
160 m
16 km
577 m
80 km
1,163 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Kariba 10 km · Chirundu 58 km · Kafue 102 km · Karoi 109 km · Chilanga Township 117 km · Palabana 123 km · Chisankane 124 km · Mazabuka 128 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 Siavonga (-16.5382°, 28.7088°, elevation 528 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).