Morant Bay weather in August

In August, Morant Bay sees average daytime highs of 28°C and overnight lows near 25°C, with 128 mm of rain across 20.1 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 34% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Morant Bay's 8th-clearest and 8th-windiest month. For the whole year in context, see Morant Bay's year-round climate.

Daytime high
28°
1st warmest
Overnight low
25°
12th coldest
Rainfall
128 mm
20.1 wet days
Daylight
12 h 36 min
5:51 AM – 6:28 PM
Cloud cover
58%
8th clearest
Wind
14 km/h
8th windiest
Solar energy
6.47 kWh/m²
Travel score
4.6
out of 10

Morant Bay is city in Jamaica.

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 28°C through the month.

A typical August day in Morant Bay reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°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)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How August really feels in Morant Bay

Once humidity and wind are folded in, August averages 28 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
28
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.

Morant Bay 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
Jan25° / 22°6917.7116.0
Feb25° / 22°4915.511.46.1
Mar26° / 22°6617.511.96.0
Apr26° / 23°6316.112.45.8
May27° / 24°14421.212.84.9
Jun28° / 25°12518.813.15.0
Jul28° / 25°10117.9135.1
Aug28° / 25°12820.112.64.6
Sep28° / 25°16122.212.14.2
Oct28° / 24°19424.711.64.3
Nov27° / 24°12619.811.25.0
Dec26° / 23°9218.910.95.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26139
36139
46040
55941
66040
75941
85941
95842
105842
115743
125644
135644
145545
155446
165347
175248
185149
195050
204951
214753
224753
234555
244555
254555
264555
274456
284456
294555
304555
314555

Chance of precipitation in August

Any precipitation

Morant Bay gets around 128 mm of rain over 20.1 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 64% and peaks near 70% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
160
260
361
461
561
661
761
861
960
1060
1160
1260
1360
1460
1561
1661
1762
1863
1963
2064
2165
2266
2367
2468
2568
2669
2769
2869
2970
3070
3170

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17723
27624
37525
47426
57426
67327
77228
87228
97228
107228
117228
127228
137228
147228
157129
167129
177129
187129
197129
207030
217030
226931
236931
246832
256733
266634
276634
286535
296535
306535
316535

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 48 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 24 minutes over August. Sunrise moves from 5:47 AM to 5:55 AM, and sunset from 6:36 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:476:36
212.85:486:36
312.85:486:35
412.85:486:35
512.85:496:34
612.75:496:34
712.75:496:33
812.75:496:33
912.75:506:32
1012.75:506:32
1112.75:506:31
1212.75:506:30
1312.75:516:30
1412.65:516:29
1512.65:516:29
1612.65:516:28
1712.65:526:27
1812.65:526:27
1912.65:526:26
2012.55:526:25
2112.55:536:25
2212.55:536:24
2312.55:536:23
2412.55:536:22
2512.55:536:22
2612.55:546:21
2712.45:546:20
2812.45:546:19
2912.45:546:18
3012.45:546:18
3112.45:556:17

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.47 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.74 kWh/m² in April across the year — August's 6.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in August

Hazard calendar for Morant Bay

In seasonPeak

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

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

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

Is August a good time to visit Morant Bay?

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

4.6
Sightseeing
10th-best month of the year
5.5
Beach & pool
6th-best month of the year

August is a reasonable time to visit Morant Bay for sightseeing.

What to pack for Morant Bay in August

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

In August, Morant Bay sees daytime highs around 28°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Morant Bay 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
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Morant Bay in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Morant Bay peaks around April 18 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 highApr 18UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Morant Bay 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 Morant Bay is worst in June — around 32 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (December, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2332 µg/m³Dec 198 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar10Good
Apr12Good
May19Moderate
Jun32Moderate
Jul31Moderate
Aug25Moderate
Sep17Moderate
Oct14Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Morant Bay?

Morant Bay sits at 17.9°N, 76.4°W, 0 m above sea level, in Jamaica. The nearest listed city is Port Antonio, 33 km away.

Port AntonioNew KingstonKingstonHalf Way TreePort RoyalPortmoreSpanish TownLinstead

Topography around Morant Bay

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

Within 3 km, the terrain around Morant Bay has only modest variations in elevation — a maximum elevation change of 221 m around an average of 27 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,315 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.

The land around Morant Bay is covered by trees (41%) and water (41%) within 3 km, trees (47%) and water (46%) within 16 km, and water (74%) and trees (23%) within 80 km.

3 km
221 m
16 km
1,315 m
80 km
2,224 m
treesgrasslandartificial surfacesbare terrainwater
August weather nearby: Port Antonio 33 km · New Kingston 42 km · Kingston 43 km · Half Way Tree 44 km · Port Royal 46 km · Portmore 51 km · Spanish Town 59 km · Linstead 72 km

Jamaica travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
110 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$8,003
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
49.4
per 100k, 2023
Road deaths
15.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 65%none 21%other 7%Roman Catholic 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 Morant Bay (17.8815°, -76.4093°, 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).