San Juan de la Maguana weather in August

In August, San Juan de la Maguana sees average daytime highs of 28°C and overnight lows near 19°C, with 103 mm of rain across 18.5 wet days and about 12.6 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 25% of the time in August, and the air most often feels muggy.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is San Juan de la Maguana's 8th-clearest and 3rd-windiest month. For the whole year in context, see San Juan de la Maguana's year-round climate.

Daytime high
28°
1st warmest
Overnight low
19°
12th coldest
Rainfall
103 mm
18.5 wet days
Daylight
12 h 36 min
6:30 AM – 7:08 PM
Cloud cover
60%
8th clearest
Wind
5 km/h
3rd windiest
Solar energy
6.23 kWh/m²
Travel score
4.9
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in San Juan de la Maguana reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

San Juan de la Maguana weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°143.8118.1
Feb26° / 16°266.211.47.6
Mar26° / 17°7112.511.96.5
Apr26° / 18°10116.712.45.7
May26° / 19°12219.712.95.2
Jun27° / 19°7416.713.15.4
Jul28° / 19°6215.9135.5
Aug28° / 19°10318.512.64.9
Sep28° / 19°11120.212.14.8
Oct27° / 19°10418.311.65.3
Nov26° / 18°5911.411.16.5
Dec26° / 16°184.210.97.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 27% of August, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35743
45743
55842
65743
75743
85743
95743
105743
115743
125743
135644
145644
155545
165446
175347
185248
195149
204951
214951
224852
234654
244654
254654
264555
274555
284555
294555
304456
314456

Chance of precipitation in August

Any precipitation

San Juan de la Maguana gets around 103 mm of rain over 18.5 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 60% and peaks near 66% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
155
255
355
455
555
654
754
854
954
1055
1155
1256
1357
1457
1558
1659
1760
1861
1962
2063
2164
2265
2365
2466
2566
2666
2766
2866
2965
3065
3165

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
124751
223761
323761
422771
522771
622771
721781
821781
921781
1021790
1121790
1221790
1321790
1420791
1520791
1620791
1719801
1819801
1918811
2017821
2117821
2216831
2316822
2415832
2514842
2614842
2714842
2814842
2914842
3014842
3114842

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 6:25 AM to 6:33 AM, and sunset from 7:17 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:257:17
212.86:267:16
312.86:267:16
412.86:267:15
512.86:277:15
612.86:277:14
712.86:277:14
812.86:277:13
912.76:287:13
1012.76:287:12
1112.76:287:11
1212.76:297:11
1312.76:297:10
1412.76:297:10
1512.76:297:09
1612.66:307:08
1712.66:307:08
1812.66:307:07
1912.66:307:06
2012.66:317:05
2112.66:317:05
2212.56:317:04
2312.56:317:03
2412.56:327:02
2512.56:327:02
2612.56:327:01
2712.56:327:00
2812.46:336:59
2912.46:336:58
3012.46:336:58
3112.46:336:57

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.23 kWh/m².

For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 6.52 kWh/m² in July across the year — August's 6.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Bright
306.0Bright
316.0Bright
Planning a trip in August

Is August a good time to visit San Juan de la Maguana?

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

4.9
Sightseeing
11th-best month of the year
5.6
Beach & pool
7th-best month of the year

August is a reasonable time to visit San Juan de la Maguana for sightseeing.

What to pack for San Juan de la Maguana in August

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

In August, San Juan de la Maguana sees daytime highs around 28°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near San Juan de la Maguana 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 at the nearest coast (about 61 km away) 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
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in San Juan de la Maguana in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Juan de la Maguana peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 24UV 13Dec 15UV 7
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in San Juan de la Maguana 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 San Juan de la Maguana is worst in June — around 30 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (February, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2230 µg/m³Feb 1014 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May21Moderate
Jun30Moderate
Jul29Moderate
Aug25Moderate
Sep22Moderate
Oct23Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is San Juan de la Maguana?

San Juan de la Maguana sits at 18.8°N, 71.2°W, 406 m above sea level, in Dominican Republic. The nearest listed city is Las Matas de Farfán, 31 km away.

Las Matas de FarfánNeibaConstanzaAzuaSanta Cruz de BarahonaJarabacoaSan Ignacio de SabanetaSan José de Ocoa

Topography around San Juan de la Maguana

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Juan de la Maguana.

Within 3 km, the terrain around San Juan de la Maguana has only modest variations in elevation — a maximum elevation change of 55 m around an average of 410 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,406 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,109 m.

The land around San Juan de la Maguana is covered by cropland (49%) and artificial surfaces (24%) within 3 km, trees (51%), grassland (24%) and cropland (22%) within 16 km, and trees (54%) and grassland (29%) within 80 km.

3 km
55 m
16 km
1,406 m
80 km
3,109 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Las Matas de Farfán 31 km · Neiba 41 km · Constanza 52 km · Azua 65 km · Santa Cruz de Barahona 68 km · Jarabacoa 71 km · San Ignacio de Sabaneta 76 km · San José de Ocoa 81 km

Dominican Republic travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
120 V · 60 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$11,059
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
45%
of population, 2024
Homicide rate
10.9
per 100k, 2023
Road deaths
64.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 503

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 San Juan de la Maguana (18.8064°, -71.2263°, elevation 406 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).