Scarborough weather in May

In May, Scarborough sees average daytime highs of 27°C and overnight lows near 26°C, with 67 mm of rain across 12.6 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 36 min by month's end. Set against the rest of the year, May is Scarborough's 8th-clearest and 5th-windiest month. For the whole year in context, see Scarborough's year-round climate.

Daytime high
27°
7th warmest
Overnight low
26°
10th coldest
Rainfall
67 mm
12.6 wet days
Daylight
12 h 30 min
5:44 AM – 6:15 PM
Cloud cover
60%
8th clearest
Wind
26 km/h
5th windiest
Solar energy
6.3 kWh/m²
Travel score
6.1
out of 10

Scarborough is town in Trinidad and Tobago.

Density
1,700/km²
people per km²
Founded
1654

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 27°C through the month.

A typical May day in Scarborough reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, May runs on par with April and on par with June.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242726
252726
262726
272726
282726
292726
302726
312726

How May really feels in Scarborough

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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Scarborough weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°5812.811.46.6
Feb26° / 25°288.511.67.1
Mar26° / 25°257.211.97.3
Apr27° / 26°317.712.26.8
May27° / 26°6712.612.56.1
Jun27° / 26°14921.112.64.7
Jul27° / 26°17124.812.64.4
Aug28° / 26°17424.812.44.4
Sep28° / 26°1502112.14.4
Oct28° / 26°16523.211.74.4
Nov28° / 26°18023.311.54.5
Dec27° / 26°9817.811.45.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
35050
45050
55050
65050
75050
84951
94951
104951
114951
124852
134852
144951
154951
165050
175050
185050
195050
205050
215050
225050
235050
244951
254852
264852
274753
284753
294654
304555
314456

Chance of precipitation in May

Any precipitation

Scarborough gets around 67 mm of rain over 12.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 59% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
233
333
433
533
633
733
833
933
1033
1134
1234
1334
1435
1536
1637
1738
1839
1940
2042
2143
2245
2346
2448
2550
2651
2753
2854
2956
3057
3159

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12908
22908
32899
42899
528810
618811
718712
818613
918613
1018514
1118415
1218316
1318217
1418217
1518118
1608119
1708119
1808020
1908020
2008020
2107921
2207921
2307921
2407921
2507921
2607921
2707921
2807921
2907921
3007921
3107921

Wind in May

Winds average 26 km/h in May.

Across May, daily wind ranges from about 26 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
626breezy
726breezy
826breezy
926breezy
1026breezy
1126breezy
1226breezy
1326breezy
1426breezy
1526breezy
1626breezy
1726breezy
1826breezy
1926breezy
2026breezy
2126breezy
2226breezy
2326breezy
2426breezy
2526breezy
2626breezy
2726breezy
2826breezy
2926breezy
3026breezy
3126breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:48 AM to 5:42 AM, and sunset from 6:12 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:486:12
212.45:486:12
312.45:486:12
412.45:476:12
512.45:476:12
612.45:476:13
712.45:466:13
812.55:466:13
912.55:466:13
1012.55:456:13
1112.55:456:14
1212.55:456:14
1312.55:446:14
1412.55:446:14
1512.55:446:14
1612.55:446:15
1712.55:446:15
1812.55:436:15
1912.55:436:15
2012.55:436:15
2112.55:436:16
2212.65:436:16
2312.65:436:16
2412.65:436:16
2512.65:436:17
2612.65:426:17
2712.65:426:17
2812.65:426:18
2912.65:426:18
3012.65:426:18
3112.65:426:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.3 kWh/m².

For context, solar energy here swings from a low near 4.94 kWh/m² to a high of 6.5 kWh/m² in April across the year — May's 6.3 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Scarborough

In seasonPeak

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

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

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

Scarborough sees seasonal dust haze (June), heaviest in June.

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

Is May a good time to visit Scarborough?

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

6.1
Sightseeing
5th-best month of the year
6.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Scarborough for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Scarborough in May

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

In May, Scarborough sees daytime highs around 27°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear and a windbreaker. About 13 days see rain.

light clothessun protectionrain geara windbreaker

Sea temperature near Scarborough 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 14 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
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Scarborough in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Scarborough peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (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 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Scarborough 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 Scarborough is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (January, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1631 µg/m³Jan 114 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar17Moderate
Apr21Moderate
May24Moderate
Jun32Moderate
Jul24Moderate
Aug19Moderate
Sep14Moderate
Oct17Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Scarborough?

Scarborough sits at 11.2°N, 60.7°W, 9 m above sea level, in Trinidad and Tobago. The nearest listed city is Sangre Grande, 79 km away.

Sangre GrandeArimaParadiseTunapunaLaventillePort of SpainDiego MartinChaguanas

Topography around Scarborough

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

Within 3 km, the terrain around Scarborough has only modest variations in elevation — a maximum elevation change of 238 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 576 m; within 80 km, large variations in elevation — a maximum elevation change of 930 m.

The land around Scarborough is covered by trees (48%) and water (32%) within 3 km, water (75%) and trees (22%) within 16 km, and water (89%) within 80 km.

3 km
238 m
16 km
576 m
80 km
930 m
treesgrasslandartificial surfaceswater
May weather nearby: Sangre Grande 79 km · Arima 85 km · Paradise 90 km · Tunapuna 93 km · Laventille 102 km · Port of Spain 103 km · Diego Martin 104 km · Chaguanas 105 km

Trinidad and Tobago travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
115 / 230 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$18,967
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
40.4
per 100k, 2022
Road deaths
9.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 32%Roman Catholic 22%Hindu 18%other 8%

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 Scarborough (11.1823°, -60.7353°, elevation 9 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).