Souillac weather in August

In August, Souillac sees average daytime highs of 23°C and overnight lows near 20°C, with 33 mm of rain across 9.3 wet days and about 11.3 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 43% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is Souillac's 5th-clearest and 2nd-windiest month. For the whole year in context, see Souillac's year-round climate.

Daytime high
23°
12th warmest
Overnight low
20°
1st coldest
Rainfall
33 mm
9.3 wet days
Daylight
11 h 18 min
6:35 AM – 5:53 PM
Cloud cover
46%
5th clearest
Wind
24 km/h
2nd windiest
Solar energy
4.67 kWh/m²
Travel score
7.1
out of 10

Souillac is town in Mauritius.

Founded
1787

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 23°C through the month.

A typical August day in Souillac reaches about 23°C in the afternoon and slips back to 20°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, August runs on par with July and on par with September.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12320
22320
32320
42320
52320
62320
72320
82320
92320
102320
112320
122320
132320
142320
152320
162320
172320
182320
192320
202320
212320
222320
232320
242320
252320
262320
272320
282320
292320
302320
312320

Souillac weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°1772313.14.5
Feb28° / 25°16321.712.74.4
Mar28° / 24°13621.512.14.8
Apr27° / 24°7917.911.55.5
May25° / 22°5912.7116.7
Jun24° / 21°339.810.87.2
Jul23° / 20°3511.610.96.8
Aug23° / 20°339.311.37.1
Sep23° / 20°328.311.97.4
Oct24° / 21°287.512.57.6
Nov26° / 22°4310.4136.8
Dec27° / 24°10016.413.25.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 37% of August, with mostly cloudy or overcast conditions the remaining 20%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27822
37822
47822
57822
67921
77921
87921
97921
107921
117921
128020
138020
148119
158119
168119
178119
188119
198119
208119
218119
228119
238119
248119
258119
268119
278119
288119
298119
308119
318119

Chance of precipitation in August

Any precipitation

Souillac gets around 33 mm of rain over 9.3 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 30% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
233
333
432
531
631
730
830
930
1029
1129
1229
1329
1429
1529
1629
1730
1830
1930
2030
2130
2230
2330
2430
2530
2630
2730
2830
2930
3030
3130

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13334815
23344815
33344814
43354814
53354913
63354912
73365012
82365111
92365111
102365210
112355310
12235549
13135559
14134578
15134578
16133588
17133588
18133597
19132607
20132607
21232588
22232588
23232588
24232588
25232579
26232579
27231589
28331579
293315610
303315610
313315610

Wind in August

Winds average 24 km/h in August.

Across August, daily wind ranges from about 23 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 06 min at the start of August to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over August. Sunrise moves from 6:44 AM to 6:23 AM, and sunset from 5:48 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:445:48
211.16:445:48
311.16:435:48
411.16:435:49
511.16:425:49
611.16:425:49
711.16:415:50
811.26:415:50
911.26:405:51
1011.26:395:51
1111.26:395:51
1211.26:385:52
1311.26:375:52
1411.36:375:52
1511.36:365:53
1611.36:355:53
1711.36:345:53
1811.36:345:53
1911.36:335:54
2011.46:325:54
2111.46:315:54
2211.46:315:55
2311.46:305:55
2411.46:295:55
2511.56:285:55
2611.56:275:56
2711.56:265:56
2811.56:265:56
2911.56:255:57
3011.56:245:57
3111.66:235:57

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.67 kWh/m².

For context, solar energy here swings from a low near 3.81 kWh/m² to a high of 7.33 kWh/m² in December across the year — August's 4.67 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.5Bright
104.5Bright
114.5Bright
124.6Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.2Bright
315.2Bright
Planning a trip in August

Hazard calendar for Souillac

In seasonPeak

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

Souillac sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Souillac's rainy season runs December–March, when most of the year's rain falls.

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

Is August a good time to visit Souillac?

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

7.1
Sightseeing
4th-best month of the year
5.3
Beach & pool
8th-best month of the year

August is one of the better times to visit Souillac for general sightseeing.

What to pack for Souillac in August

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

In August, Souillac sees daytime highs around 23°C and nights near 20°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 9 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Souillac in August

The nearest coast averages about 23°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 16 km away) is warmest in February at about 28°C and coldest in August near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar28Warm
Apr27Warm
May26Warm
Jun25Warm
Jul24Refreshing
Aug23Refreshing
Sep23Refreshing
Oct24Refreshing
Nov25Warm
Dec27Warm

UV index in Souillac 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 Souillac peaks around January 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 17UV 16Jun 23UV 6
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul7High
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Souillac?

Souillac sits at 20.5°S, 57.5°E, 0 m above sea level, in Mauritius. The nearest listed city is Chemin-Grenier, 6.0 km away.

Chemin-GrenierBel OmbreRose-BelleChamarelPlaine MagnienCurepipeMahébourgVacoas-Phoenix

Topography around Souillac

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

Within 3 km, the terrain around Souillac has significant variations in elevation — a maximum elevation change of 253 m around an average of 33 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 763 m; within 80 km, large variations in elevation — a maximum elevation change of 786 m.

The land around Souillac is covered by water (41%), trees (23%) and cropland (20%) within 3 km, water (55%) and trees (28%) within 16 km, and water (82%) within 80 km.

3 km
253 m
16 km
763 m
80 km
786 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Chemin-Grenier 6.0 km · Bel Ombre 12 km · Rose-Belle 15 km · Chamarel 17 km · Plaine Magnien 19 km · Curepipe 22 km · Mahébourg 23 km · Vacoas-Phoenix 25 km

Mauritius travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / G
230 V · 50 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$12,991
2025
Happiness
5.9 / 10
World Happiness, 2025
Homicide rate
2.3
per 100k, 2022
Road deaths
12.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Hindu 49%Roman Catholic 26%Muslim 17%other Christian 6%

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 Souillac (-20.5167°, 57.5167°, elevation 0 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).