Soufriere weather in August

In August, Soufriere sees average daytime highs of 29°C and overnight lows near 26°C, with 119 mm of rain across 21.7 wet days and about 12.5 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 41% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Soufriere's 8th-clearest and 10th-windiest month. For the whole year in context, see Soufriere's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
26°
11th coldest
Rainfall
119 mm
21.7 wet days
Daylight
12 h 30 min
5:54 AM – 6:22 PM
Cloud cover
54%
8th clearest
Wind
19 km/h
10th windiest
Solar energy
6.12 kWh/m²
Travel score
4.2
out of 10

Soufriere is town in Saint Lucia.

Founded
1750

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 29°C through the month.

A typical August day in Soufriere reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How August really feels in Soufriere

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Soufriere weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°3311.811.36.6
Feb27° / 24°218.211.57.0
Mar27° / 24°26911.96.8
Apr28° / 25°3610.312.36.2
May29° / 26°4311.612.65.5
Jun29° / 26°7215.312.84.8
Jul29° / 26°9820.312.74.5
Aug29° / 26°11921.712.54.2
Sep29° / 26°11719.412.14.2
Oct29° / 26°13621.211.74.2
Nov28° / 25°10718.811.44.8
Dec28° / 25°431311.26.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36139
46139
56238
66238
76238
86238
96139
106139
116139
126040
136040
146040
156040
166040
175941
185941
195842
205842
215842
225842
235743
245743
255644
265644
275644
285545
295545
305446
315545

Chance of precipitation in August

Any precipitation

Soufriere gets around 119 mm of rain over 21.7 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 71% and peaks near 73% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
371
471
572
672
772
872
972
1072
1173
1273
1373
1473
1573
1673
1773
1873
1972
2072
2171
2270
2370
2469
2568
2668
2767
2866
2966
3065
3164

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18515
28416
38416
48317
58317
68317
78218
88218
98218
108218
118218
128119
138119
148119
158119
168020
178020
188020
198020
207921
217921
227822
237822
247723
257723
267624
277525
287525
297426
307426
317327

Wind in August

Winds average 19 km/h in August.

Across August, daily wind ranges from about 18 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
420breezy
520breezy
620breezy
720breezy
820breezy
920breezy
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 5:52 AM to 5:56 AM, and sunset from 6:29 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:526:29
212.65:526:29
312.65:526:28
412.65:526:28
512.65:536:27
612.65:536:27
712.65:536:27
812.65:536:26
912.55:536:26
1012.55:536:25
1112.55:546:25
1212.55:546:24
1312.55:546:24
1412.55:546:23
1512.55:546:23
1612.55:546:22
1712.55:546:22
1812.45:556:21
1912.45:556:21
2012.45:556:20
2112.45:556:19
2212.45:556:19
2312.45:556:18
2412.45:556:18
2512.45:556:17
2612.35:556:16
2712.35:556:16
2812.35:566:15
2912.35:566:14
3012.35:566:13
3112.35:566:13

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.12 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 6.61 kWh/m² in April across the year — August's 6.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in August

Hazard calendar for Soufriere

In seasonPeak

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

Soufriere sits in the Atlantic hurricane belt; the season peaks August–October.

Soufriere's rainy season runs June–November, when most of the year's rain falls.

Soufriere sees seasonal dust haze (June–July), heaviest in June.

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

Is August a good time to visit Soufriere?

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

4.2
Sightseeing
10th-best month of the year
5.3
Beach & pool
11th-best month of the year

August is a reasonable time to visit Soufriere for sightseeing.

What to pack for Soufriere in August

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

In August, Soufriere sees daytime highs around 29°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Soufriere in August

The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 29°C and coldest in February near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Soufriere in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Soufriere peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 highMar 21UV 14Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Soufriere 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 Soufriere is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1831 µg/m³Jan 112 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar14Moderate
Apr17Moderate
May21Moderate
Jun32Moderate
Jul26Moderate
Aug21Moderate
Sep15Moderate
Oct18Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is Soufriere?

Soufriere sits at 13.9°N, 61.1°W, 0 m above sea level, in Saint Lucia. The nearest listed city is Castries, 16 km away.

CastriesVieux FortGros Islet

Topography around Soufriere

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

Within 3 km, the terrain around Soufriere has large variations in elevation — a maximum elevation change of 714 m around an average of 197 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 900 m; within 80 km, large variations in elevation — a maximum elevation change of 1,191 m.

The land around Soufriere is covered by trees (73%) and water (24%) within 3 km, water (54%) and trees (44%) within 16 km, and water (90%) within 80 km.

3 km
714 m
16 km
900 m
80 km
1,191 m
treesgrasslandartificial surfaceswater
August weather nearby: Castries 16 km · Vieux Fort 19 km · Gros Islet 26 km · Kingstown 80 km · Ducos 80 km · Calliaqua 82 km · Fort-de-France 83 km · Le Lamentin 84 km

Saint Lucia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / G
240 V · 50 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$14,746
2025
Homicide rate
39
per 100k, 2023
Road deaths
29.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Roman Catholic 62%Protestant 26%none 6%other Christian 3%

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 Soufriere (13.8562°, -61.0566°, 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. 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).