St. John's weather in October

In October, St. John's sees average daytime highs of 28°C and overnight lows near 26°C, with 132 mm of rain across 18.8 wet days and about 11.6 hours of daylight. It is the 3rd-warmest and 1st-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 41% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of October to 11 h 24 min by month's end. Set against the rest of the year, October is St. John's's 11th-clearest and 12th-windiest month. For the whole year in context, see St. John's's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
26°
9th coldest
Rainfall
132 mm
18.8 wet days
Daylight
11 h 36 min
6:04 AM – 5:41 PM
Cloud cover
55%
11th clearest
Wind
21 km/h
12th windiest
Solar energy
5.35 kWh/m²
Travel score
5.2
out of 10

St. John's is largest city of Antigua and Barbuda.

Density
5,174/km²
people per km²
Founded
1666

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in St. John's reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°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, October runs on par with September and on par with November.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How October really feels in St. John's

Once humidity and wind are folded in, October 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

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

St. John's weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°321011.17.3
Feb25° / 24°217.111.47.7
Mar25° / 24°216.611.97.8
Apr26° / 25°338.812.47.2
May27° / 26°6212.412.86.3
Jun27° / 26°5112.1136.1
Jul28° / 26°7815.912.95.8
Aug28° / 26°9817.812.65.4
Sep28° / 26°1271812.14.9
Oct28° / 26°13218.811.65.2
Nov27° / 26°10315.811.25.8
Dec26° / 25°5813.3116.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
44951
54951
65050
75050
85248
95248
105347
115347
125446
135545
145644
155644
165644
175842
185842
195941
205941
216040
226040
236040
246040
256139
266040
276139
286040
296040
306139
316040

Chance of precipitation in October

Any precipitation

St. John's gets around 132 mm of rain over 18.8 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 61% and peaks near 63% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
162
262
363
463
562
662
762
862
962
1062
1161
1261
1361
1461
1560
1660
1760
1860
1960
2060
2160
2260
2360
2460
2560
2660
2760
2860
2960
3060
3160

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
106337
206337
306436
406436
506535
606634
706733
806832
906931
1007030
1107030
1207129
1307228
1407327
1507327
1607426
1707426
1807525
1907525
2007624
2107624
2207723
2307723
2407822
2507921
2607921
2708020
2808119
2918118
3018217
3118217

Wind in October

Winds average 21 km/h in October, the calmest month.

Across October, daily wind ranges from about 21 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3123breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 48 min at the start of October to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over October. Sunrise moves from 6:01 AM to 6:09 AM, and sunset from 5:52 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:015:52
211.86:015:51
311.86:015:50
411.86:015:49
511.86:025:49
611.86:025:48
711.76:025:47
811.76:025:46
911.76:025:46
1011.76:035:45
1111.76:035:44
1211.76:035:43
1311.76:035:43
1411.66:045:42
1511.66:045:41
1611.66:045:41
1711.66:055:40
1811.66:055:39
1911.66:055:39
2011.56:055:38
2111.56:065:37
2211.56:065:37
2311.56:065:36
2411.56:075:36
2511.56:075:35
2611.56:075:35
2711.46:085:34
2811.46:085:34
2911.46:095:33
3011.46:095:33
3111.46:095:32

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.35 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.7 kWh/m² in April across the year — October's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in October

Hazard calendar for St. John's

In seasonPeak

In October, St. John's sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

St. John's sits in the Atlantic hurricane belt; the season peaks August–October.

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

St. John's 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 October a good time to visit St. John's?

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

5.2
Sightseeing
11th-best month of the year
5.5
Beach & pool
12th-best month of the year

October is a reasonable time to visit St. John's for sightseeing.

What to pack for St. John's in October

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

In October, St. John's sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 19 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near St. John's in October

The nearest coast averages about 29°C in October — 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 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 St. John's in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in St. John's peaks around April 10 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 10UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in St. John's in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in St. John's 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 St. John's?

St. John's sits at 17.1°N, 61.8°W, 12 m above sea level, in Antigua and Barbuda. The nearest listed city is Falmouth, 12 km away.

FalmouthEnglish HarbourCodrington

Topography around St. John's

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of St. John's.

Within 3 km, the terrain around St. John's has only modest variations in elevation — a maximum elevation change of 109 m around an average of 20 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 St. John's is covered by artificial surfaces (35%) and trees (31%) within 3 km, water (69%) within 16 km, and water (96%) within 80 km.

3 km
109 m
16 km
391 m
80 km
1,011 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Falmouth 12 km · English Harbour 14 km · Brades 54 km · Codrington 58 km · Plymouth 61 km · Sainte-Rose 89 km · Basseterre 96 km · Baie-Mahault 99 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 St. John's (17.121°, -61.8433°, 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).