Falmouth weather in May

In May, Falmouth sees average daytime highs of 27°C and overnight lows near 26°C, with 59 mm of rain across 12 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 7th-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 44% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Falmouth's 9th-clearest and 8th-windiest month. For the whole year in context, see Falmouth's year-round climate.

Daytime high
27°
7th warmest
Overnight low
26°
6th coldest
Rainfall
59 mm
12 wet days
Daylight
12 h 48 min
5:40 AM – 6:27 PM
Cloud cover
53%
9th clearest
Wind
24 km/h
8th windiest
Solar energy
6.56 kWh/m²
Travel score
6.4
out of 10

Falmouth is town in Antigua, Antigua and Barbuda.

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 Falmouth 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 26°C and 28°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12625
22625
32625
42725
52725
62725
72725
82725
92725
102725
112725
122725
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242726
252726
262726
272726
282726
292726
302726
312726

How May really feels in Falmouth

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.

Falmouth weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°3310.211.17.3
Feb25° / 24°227.311.47.7
Mar25° / 24°216.411.97.8
Apr26° / 25°338.612.47.2
May27° / 26°591212.86.4
Jun27° / 26°5111.9136.2
Jul28° / 26°8016.312.95.7
Aug28° / 26°10318.412.65.2
Sep28° / 26°13118.112.14.8
Oct28° / 26°14119.611.65.1
Nov27° / 26°10315.711.25.8
Dec26° / 25°6013.5116.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% 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 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27030
36931
46733
56634
66535
76436
86238
96139
106139
115941
125941
135941
145941
155842
165842
175842
185842
195842
205743
215743
225644
235644
245545
255644
265644
275545
285545
295545
305545
315545

Chance of precipitation in May

Any precipitation

Falmouth gets around 59 mm of rain over 12 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 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
236
337
437
538
638
739
839
939
1039
1139
1238
1338
1438
1538
1638
1737
1837
1937
2037
2137
2237
2338
2438
2538
2638
2738
2838
2938
3038
3138

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
114851
213861
313861
412871
511881
610891
79901
89901
98911
107921
117912
126922
135932
145932
154933
163943
173943
182944
192944
202935
212935
221945
231945
241936
251936
261927
271927
281927
291918
301918
310928

Wind in May

Winds average 24 km/h in May.

Across May, daily wind ranges from about 24 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
125breezy
225breezy
325breezy
425breezy
525breezy
625breezy
725breezy
825breezy
925breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1824breezy
1924breezy
2024breezy
2124breezy
2224breezy
2324breezy
2424breezy
2524breezy
2624breezy
2725breezy
2825breezy
2925breezy
3025breezy
3125breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:46 AM to 5:37 AM, and sunset from 6:22 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:466:22
212.65:466:23
312.65:456:23
412.65:456:23
512.75:446:24
612.75:446:24
712.75:436:24
812.75:436:25
912.75:426:25
1012.75:426:25
1112.75:416:26
1212.75:416:26
1312.85:416:26
1412.85:406:27
1512.85:406:27
1612.85:406:27
1712.85:396:28
1812.85:396:28
1912.85:396:28
2012.85:386:29
2112.85:386:29
2212.95:386:29
2312.95:386:30
2412.95:376:30
2512.95:376:30
2612.95:376:31
2712.95:376:31
2812.95:376:31
2912.95:376:32
3012.95:376:32
3112.95:376:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.56 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.7 kWh/m² in April across the year — May's 6.56 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in May

Hazard calendar for Falmouth

In seasonPeak

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

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

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

Falmouth sees seasonal dust haze (July), heaviest in July.

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

Is May a good time to visit Falmouth?

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

6.4
Sightseeing
6th-best month of the year
6.5
Beach & pool
5th-best month of the year

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

What to pack for Falmouth in May

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

In May, Falmouth sees daytime highs around 27°C and nights near 26°C. Pack sun protection. Worth having: light clothes, rain gear and a windbreaker. About 12 days see rain.

sun protectionlight clothesrain geara windbreaker

Sea temperature near Falmouth in May

The nearest coast averages about 27°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 15 km away) is warmest in September at about 29°C and coldest in February near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Falmouth 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 Falmouth 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
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Falmouth 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 Falmouth is worst in July — around 24 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1124 µg/m³Dec 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar9Good
Apr11Good
May14Moderate
Jun24Moderate
Jul24Moderate
Aug20Moderate
Sep16Moderate
Oct17Moderate
Nov11Good
Dec8Good
Location & terrain

Where is Falmouth?

Falmouth sits at 17.0°N, 61.8°W, 0 m above sea level, in Antigua and Barbuda. The nearest listed city is English Harbour, 2.0 km away.

St. John'sCodrington

Topography around Falmouth

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

Within 3 km, the terrain around Falmouth has significant variations in elevation — a maximum elevation change of 336 m around an average of 63 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 391 m; within 80 km, large variations in elevation — a maximum elevation change of 1,011 m.

The land around Falmouth is covered by trees (57%) and water (20%) within 3 km, water (67%) and trees (21%) within 16 km, and water (95%) within 80 km.

3 km
336 m
16 km
391 m
80 km
1,011 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: English Harbour 2.0 km · St. John's 12 km · Brades 53 km · Plymouth 58 km · Codrington 68 km · Sainte-Rose 78 km · Baie-Mahault 87 km · Les Abymes 89 km

Antigua and Barbuda travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
230 V · 60 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$24,819
2025
Homicide rate
10.7
per 100k, 2023
Road deaths
0
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 68%other 12%Roman Catholic 8%none 6%

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 Falmouth (17.0274°, -61.7814°, 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).