Charlotte Amalie weather in October

In October, Charlotte Amalie sees average daytime highs of 28°C and overnight lows near 26°C, with 127 mm of rain across 18 wet days and about 11.6 hours of daylight. It is the 3rd-warmest and 2nd-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 18 min by month's end. Set against the rest of the year, October is Charlotte Amalie's 9th-clearest and 12th-windiest month. For the whole year in context, see Charlotte Amalie's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
26°
9th coldest
Rainfall
127 mm
18 wet days
Daylight
11 h 36 min
6:17 AM – 5:52 PM
Cloud cover
54%
9th clearest
Wind
20 km/h
12th windiest
Solar energy
5.27 kWh/m²
Travel score
5.3
out of 10

Charlotte Amalie is capital and largest city of the United States Virgin Islands.

Density
6,369/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 Charlotte Amalie 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 29°C. Set against its neighbours, October runs on par with September and about 1°C warmer than 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 Charlotte Amalie

Once humidity and wind are folded in, October averages 1 day 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
1
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Charlotte Amalie weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°288.7117.5
Feb25° / 24°206.611.47.8
Mar25° / 24°215.911.97.9
Apr26° / 25°357.812.47.4
May27° / 26°751312.96.2
Jun28° / 26°5711.813.16.1
Jul28° / 26°8015.5135.8
Aug28° / 27°1021712.65.1
Sep28° / 27°13317.712.14.8
Oct28° / 26°1271811.65.3
Nov27° / 26°11916.411.15.7
Dec26° / 25°4711.510.96.9

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 16% of October, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55248
65248
75248
85248
95347
105347
115347
125347
135446
145545
155545
165644
175644
185743
195842
206040
216040
226139
236238
246238
256238
266337
276337
286337
296436
306436
316436

Chance of precipitation in October

Any precipitation

Charlotte Amalie gets around 127 mm of rain over 18 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 58% and peaks near 60% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
160
260
360
460
560
660
760
860
960
1060
1160
1260
1360
1459
1559
1659
1758
1857
1957
2057
2156
2256
2356
2456
2556
2656
2756
2857
2957
3058
3158

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
105743
205842
306040
406139
506238
606337
706436
806535
906634
1006733
1106832
1206931
1307030
1407030
1507129
1607129
1707129
1807228
1907228
2007228
2107327
2217227
2317227
2417326
2517326
2617425
2717524
2817623
2917623
3017722
3117821

Wind in October

Winds average 20 km/h in October, the calmest month.

Across October, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120breezy
220breezy
320breezy
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 48 min at the start of October to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over October. Sunrise moves from 6:14 AM to 6:23 AM, and sunset from 6:04 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:146:04
211.86:146:03
311.86:146:02
411.86:146:01
511.86:156:00
611.76:156:00
711.76:155:59
811.76:155:58
911.76:155:57
1011.76:165:56
1111.76:165:56
1211.66:165:55
1311.66:175:54
1411.66:175:53
1511.66:175:53
1611.66:175:52
1711.66:185:51
1811.56:185:51
1911.56:185:50
2011.56:195:49
2111.56:195:49
2211.56:205:48
2311.56:205:48
2411.46:205:47
2511.46:215:46
2611.46:215:46
2711.46:215:45
2811.46:225:45
2911.46:225:44
3011.46:235:44
3111.36:235:43

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.27 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.63 kWh/m² in April across the year — October's 5.27 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in October

Hazard calendar for Charlotte Amalie

In seasonPeak

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

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

Charlotte Amalie's rainy season runs May–May, when most of the year's rain falls.

Charlotte Amalie 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 Charlotte Amalie?

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

5.3
Sightseeing
10th-best month of the year
5.7
Beach & pool
11th-best month of the year

October is a reasonable time to visit Charlotte Amalie for sightseeing.

What to pack for Charlotte Amalie in October

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

In October, Charlotte Amalie 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 18 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Charlotte Amalie 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
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Charlotte Amalie 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 Charlotte Amalie peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 13UV 13Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Charlotte Amalie 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 Charlotte Amalie is worst in July — around 24 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (January, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1124 µg/m³Jan 15 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar7Good
Apr9Good
May14Moderate
Jun24Moderate
Jul24Moderate
Aug20Moderate
Sep15Moderate
Oct15Moderate
Nov8Good
Dec5Good
Location & terrain

Where is Charlotte Amalie?

Charlotte Amalie sits at 18.3°N, 64.9°W, 6 m above sea level, in U.S. Virgin Islands. The nearest listed city is Road Town, 34 km away.

Road TownSaint Croix

Topography around Charlotte Amalie

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

Within 3 km, the terrain around Charlotte Amalie has significant variations in elevation — a maximum elevation change of 454 m around an average of 89 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 471 m; within 80 km, significant variations in elevation — a maximum elevation change of 515 m.

The land around Charlotte Amalie is covered by trees (52%) and water (29%) within 3 km, water (90%) within 16 km, and water (95%) within 80 km.

3 km
454 m
16 km
471 m
80 km
515 m
treesgrasslandartificial surfaceswater
October weather nearby: Road Town 34 km · Saint Croix 71 km · Fajardo 76 km · Humacao 97 km · Carolina 108 km · Trujillo Alto 114 km · Caguas 119 km · Guaynabo 125 km

U.S. Virgin Islands travel facts

Power plugs
Type A / B
110 V · 60 Hz
Prices
≈ 89% of US
price level, 2022
GDP per capita
$44,321
2022
Safe drinking water
99%
of population, 2024
Homicide rate
49.9
per 100k, 2012
Income group
High
World Bank

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 Charlotte Amalie (18.3419°, -64.9307°, elevation 6 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).