Franschhoek weather in August

In August, Franschhoek sees average daytime highs of 16°C and overnight lows near 7°C, with 96 mm of rain across 11.1 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 40% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is Franschhoek's 11th-clearest and 8th-windiest month. For the whole year in context, see Franschhoek's year-round climate.

Daytime high
16°
11th warmest
Overnight low
2nd coldest
Rainfall
96 mm
11.1 wet days
Daylight
10 h 42 min
7:26 AM – 6:09 PM
Cloud cover
49%
11th clearest
Wind
9 km/h
8th windiest
Solar energy
3.44 kWh/m²
Travel score
5.3
out of 10

Franschhoek is town in the Western Cape, South Africa.

Density
2,837/km²
people per km²
Founded
1688

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical August day in Franschhoek reaches about 16°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 22°C. Set against its neighbours, August runs on par with July and about 2°C cooler than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1166
2166
3167
4167
5167
6167
7167
8167
9167
10167
11167
12167
13167
14167
15167
16167
17167
18167
19167
20167
21167
22177
23177
24177
25177
26177
27177
28177
29178
30178
31178

Franschhoek weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°254.3148.0
Feb27° / 16°21413.37.9
Mar26° / 15°254.512.38.1
Apr23° / 12°576.111.27.7
May20° / 10°848.910.36.6
Jun17° / 126119.85.3
Jul16° / 1139.9105.3
Aug16° / 9611.110.75.3
Sep18° / 678.711.86.2
Oct21° / 11°497.512.97.0
Nov23° / 12°476.613.87.6
Dec25° / 15°285.314.28.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46139
56139
66139
76040
86040
96040
106040
116040
126040
136040
146040
155941
165842
175842
185842
195842
205743
215743
225743
235545
245446
255446
265347
275347
285248
295248
305248
315149

Chance of precipitation in August

Any precipitation

Franschhoek gets around 96 mm of rain over 11.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
635
735
835
935
1035
1134
1234
1334
1434
1535
1635
1735
1835
1935
2035
2135
2235
2336
2436
2536
2636
2735
2835
2935
3034
3134

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 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
81000
91000
101000
111000
121000
131000
141000
151000
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 18 min at the start of August to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over August. Sunrise moves from 7:41 AM to 7:07 AM, and sunset from 5:58 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:415:58
210.37:405:59
310.37:396:00
410.47:386:01
510.47:376:01
610.47:366:02
710.57:356:03
810.57:346:04
910.57:336:04
1010.57:326:05
1110.67:316:06
1210.67:306:06
1310.67:296:07
1410.77:286:08
1510.77:276:09
1610.77:266:09
1710.87:256:10
1810.87:236:11
1910.87:226:12
2010.97:216:12
2110.97:206:13
2210.97:196:14
2311.07:176:15
2411.07:166:15
2511.07:156:16
2611.17:136:17
2711.17:126:17
2811.17:116:18
2911.27:106:19
3011.27:086:20
3111.27:076:20

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.44 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 8.02 kWh/m² in January across the year — August's 3.44 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.9Moderate
303.9Moderate
314.0Moderate
Planning a trip in August

Hazard calendar for Franschhoek

In seasonPeak

In August, Franschhoek sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Franschhoek's rainy season runs April–September, when most of the year's rain falls.

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

Is August a good time to visit Franschhoek?

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

5.3
Sightseeing
10th-best month of the year
0.9
Beach & pool
11th-best month of the year

August is a reasonable time to visit Franschhoek for sightseeing.

What to pack for Franschhoek in August

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

In August, Franschhoek sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Franschhoek in August

The nearest coast averages about 15°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 km away) is warmest in January at about 19°C and coldest in July near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar17Cool
Apr16Cool
May16Cool
Jun15Cool
Jul15Bracing
Aug15Bracing
Sep15Cool
Oct16Cool
Nov17Cool
Dec18Cool

UV index in Franschhoek in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Franschhoek peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 13UV 13Jun 21UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Extreme
Nov12Extreme
Dec12Extreme

Air quality in Franschhoek 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 Franschhoek is worst in May — around 52 µg/m³ PM2.5 (poor), about 3.4× the cleanest month (December, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 2152 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar28Moderate
Apr41Poor
May52Poor
Jun50Poor
Jul47Poor
Aug41Poor
Sep33Moderate
Oct29Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Franschhoek?

Franschhoek sits at 33.9°S, 19.1°E, 273 m above sea level, in South Africa. The nearest listed city is Le Roux, 3.0 km away.

Topography around Franschhoek

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

Within 3 km, the terrain around Franschhoek has large variations in elevation — a maximum elevation change of 809 m around an average of 373 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,676 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,254 m.

The land around Franschhoek is covered by trees (31%), grassland (25%) and shrubs (21%) within 3 km, grassland (57%) and shrubs (21%) within 16 km, and grassland (32%) and cropland (21%) within 80 km.

3 km
809 m
16 km
1,676 m
80 km
2,254 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Le Roux 3.0 km · Stellenbosch 23 km · Paarl 24 km · Grabouw 28 km · Wellington 32 km · Somerset West 34 km · Kraaifontein 38 km · Kuils River 38 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 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 Franschhoek (-33.9108°, 19.1198°, elevation 273 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).