Montego Bay weather in May

In May, Montego Bay sees average daytime highs of 29°C and overnight lows near 24°C, with 220 mm of rain across 23.9 wet days and about 12.9 hours of daylight. It is the 5th-warmest and 1st-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 29% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Montego Bay's 7th-clearest and 9th-windiest month. For the whole year in context, see Montego Bay's year-round climate.

Daytime high
29°
5th warmest
Overnight low
24°
7th coldest
Rainfall
220 mm
23.9 wet days
Daylight
12 h 54 min
5:42 AM – 6:34 PM
Cloud cover
58%
7th clearest
Wind
10 km/h
9th windiest
Solar energy
6.44 kWh/m²
Travel score
3.8
out of 10

Montego Bay is capital of Saint James Parish, Jamaica.

Founded
1980

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Montego Bay reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212925
222925
232925
243025
253025
263025
273025
283025
293025
303025
313025

How May really feels in Montego Bay

Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Montego Bay weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°4411.4116.6
Feb28° / 22°4011.311.46.5
Mar28° / 23°5812.711.96.1
Apr29° / 23°9316.312.44.9
May29° / 24°22023.912.93.8
Jun30° / 25°14821.813.13.5
Jul30° / 25°13823.4133.4
Aug31° / 25°17126.212.63.1
Sep30° / 25°20625.912.13.1
Oct29° / 25°18324.711.63.6
Nov28° / 24°9116.411.15.2
Dec28° / 23°5011.410.96.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57228
67129
77129
86931
96832
106535
116436
126139
135941
145743
155545
165347
175248
184951
194951
204654
214555
224456
234357
244159
254060
264060
274060
283961
293961
303862
313763

Chance of precipitation in May

Any precipitation

Montego Bay gets around 220 mm of rain over 23.9 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
167
268
369
470
570
671
771
872
973
1073
1174
1274
1375
1475
1576
1677
1777
1878
1978
2079
2180
2280
2381
2481
2581
2681
2781
2881
2981
3080
3180

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
119873
218874
317884
417884
516894
606904
706895
805905
905905
1005896
1105896
1204897
1304897
1404888
1503898
1603889
17038710
18038710
19028711
20028612
21028513
22018514
23018415
24018316
25018217
26008218
27008119
28008020
29007921
30007822
31007624

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
811calm
911calm
1011calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:49 AM to 5:39 AM, and sunset from 6:29 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:496:29
212.75:486:29
312.75:486:29
412.75:476:30
512.75:476:30
612.75:466:30
712.75:466:31
812.85:456:31
912.85:456:31
1012.85:446:32
1112.85:446:32
1212.85:436:32
1312.85:436:33
1412.85:436:33
1512.95:426:34
1612.95:426:34
1712.95:426:34
1812.95:416:35
1912.95:416:35
2012.95:416:35
2112.95:406:36
2212.95:406:36
2312.95:406:37
2413.05:406:37
2513.05:396:37
2613.05:396:38
2713.05:396:38
2813.05:396:38
2913.05:396:39
3013.05:396:39
3113.05:396:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.44 kWh/m².

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.68 kWh/m² in April across the year — May's 6.44 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.6Intense
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Hazard calendar for Montego Bay

In seasonPeak

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

Montego 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 May a good time to visit Montego Bay?

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

3.8
Sightseeing
7th-best month of the year
5.0
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Montego Bay.

What to pack for Montego Bay in May

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

In May, Montego Bay sees daytime highs around 29°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Montego Bay in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in September at about 30°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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Montego Bay in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Montego Bay peaks around April 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 16UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Montego Bay in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Montego Bay is worst in June — around 32 µg/m³ PM2.5 (moderate), about 4.3× the cleanest month (December, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2231 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr13Moderate
May18Moderate
Jun32Moderate
Jul30Moderate
Aug23Moderate
Sep16Moderate
Oct13Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Montego Bay?

Montego Bay sits at 18.5°N, 77.9°W, 12 m above sea level, in Jamaica. The nearest listed city is Barrett Town, 13 km away.

Barrett TownFalmouthSavanna-la-MarNegrilMandevilleOcho RiosMay PenLinstead

Topography around Montego Bay

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

Within 3 km, the terrain around Montego Bay has only modest variations in elevation — a maximum elevation change of 213 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 599 m; within 80 km, large variations in elevation — a maximum elevation change of 978 m.

The land around Montego Bay is covered by trees (31%), artificial surfaces (31%) and water (27%) within 3 km, trees (50%) and water (43%) within 16 km, and water (60%) and trees (32%) within 80 km.

3 km
213 m
16 km
599 m
80 km
978 m
treesgrasslandartificial surfaceswaterwetlandmangroves
May weather nearby: Barrett Town 13 km · Falmouth 28 km · Savanna-la-Mar 36 km · Negril 51 km · Mandeville 65 km · Ocho Rios 86 km · May Pen 91 km · Linstead 101 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 Montego Bay (18.4712°, -77.9188°, elevation 12 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).