Ilopango weather in October

In October, Ilopango sees average daytime highs of 30°C and overnight lows near 21°C, with 235 mm of rain across 23.7 wet days and about 11.7 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 14% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 30 min by month's end. Set against the rest of the year, October is Ilopango's 8th-clearest and 8th-windiest month. For the whole year in context, see Ilopango's year-round climate.

Daytime high
30°
12th warmest
Overnight low
21°
6th coldest
Rainfall
235 mm
23.7 wet days
Daylight
11 h 42 min
5:51 AM – 5:32 PM
Cloud cover
72%
8th clearest
Wind
4 km/h
8th windiest
Solar energy
4.79 kWh/m²
Travel score
3.4
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical October day in Ilopango reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, October runs on par with September and about 1°C cooler than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How October really feels in Ilopango

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

Ilopango weather by month

How October compares with the rest of the year at a glance. October is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 20°30.711.35.1
Feb33° / 20°30.911.54.5
Mar34° / 21°13411.93.9
Apr33° / 22°5612.212.33.3
May32° / 22°23925.312.62.7
Jun31° / 22°26025.512.82.8
Jul32° / 22°17320.412.73.1
Aug31° / 22°22324.212.52.9
Sep30° / 22°29427.612.12.8
Oct30° / 21°23523.711.73.4
Nov31° / 20°498.811.44.9
Dec32° / 20°81.711.25.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 70%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21981
31981
42080
52179
62179
72179
82278
92377
102377
112377
122377
132476
142476
152575
162674
172773
182971
193070
203169
213367
223664
233664
243961
254060
264357
274357
284555
294654
304951
315050

Chance of precipitation in October

Any precipitation

Ilopango gets around 235 mm of rain over 23.7 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 77% and peaks near 90% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
290
389
488
588
687
786
886
985
1085
1184
1283
1383
1482
1581
1680
1779
1878
1976
2075
2173
2271
2369
2468
2566
2664
2762
2860
2958
3056
3154

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1012475
2012574
3012673
4012871
5012970
6013069
7013168
8023167
9023266
10023365
11023365
12023464
13023563
14033562
15033661
16033760
17043858
18043858
19153955
20164053
21164053
22174151
23184248
24294346
25294444
262104642
272114740
283114937
293125035
303135232
314135330

Wind in October

Winds average 4 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 30 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 5:49 AM to 5:55 AM, and sunset from 5:42 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:495:42
211.95:495:41
311.95:495:40
411.85:495:40
511.85:495:39
611.85:495:38
711.85:505:38
811.85:505:37
911.85:505:36
1011.85:505:36
1111.85:505:35
1211.75:505:34
1311.75:505:34
1411.75:505:33
1511.75:515:33
1611.75:515:32
1711.75:515:32
1811.75:515:31
1911.75:515:30
2011.65:525:30
2111.65:525:29
2211.65:525:29
2311.65:525:29
2411.65:535:28
2511.65:535:28
2611.65:535:27
2711.65:535:27
2811.55:545:26
2911.55:545:26
3011.55:545:26
3111.55:555:25

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.79 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.79 kWh/m² to a high of 6.28 kWh/m² in March across the year — October's 4.79 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in October

Hazard calendar for Ilopango

In seasonPeak

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

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

Ilopango's monsoon runs May–October, when most of the year's rain falls.

Atlantic hurricane
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Ilopango?

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

3.4
Sightseeing
6th-best month of the year
4.7
Beach & pool
8th-best month of the year

October is a weaker month for outdoor sightseeing in Ilopango.

What to pack for Ilopango in October

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

In October, Ilopango sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Ilopango 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 at the nearest coast (about 36 km away) is warmest in August at about 30°C and coldest in January near 28°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
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ilopango in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ilopango peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 13Dec 12UV 9
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Ilopango 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 Ilopango is worst in April — around 43 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (September, 26 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorApr 1942 µg/m³Sep 1026 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb35Moderate
Mar35Poor
Apr43Poor
May40Poor
Jun27Moderate
Jul30Moderate
Aug27Moderate
Sep26Moderate
Oct29Moderate
Nov35Moderate
Dec36Poor
Location & terrain

Where is Ilopango?

Ilopango sits at 13.7°N, 89.1°W, 620 m above sea level, in El Salvador. The nearest listed city is Soyapango, 3.0 km away.

Topography around Ilopango

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

Within 3 km, the terrain around Ilopango has significant variations in elevation — a maximum elevation change of 282 m around an average of 584 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,449 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,703 m.

The land around Ilopango is covered by trees (39%) and artificial surfaces (38%) within 3 km, trees (66%) within 16 km, and trees (48%), water (22%) and grassland (21%) within 80 km.

3 km
282 m
16 km
1,449 m
80 km
2,703 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
October weather nearby: Soyapango 3.0 km · Delgado 7.0 km · Cuscatancingo 8.0 km · San Salvador 9.0 km · Mejicanos 9.0 km · San Marcos 9.0 km · Ayutuxtepeque 11 km · Apopa 14 km

El Salvador travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
115 V · 60 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$5,767
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
7.9
per 100k, 2022
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 523
Religion
Roman Catholic 44%Protestant 40%none 16%

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 Ilopango (13.7017°, -89.1094°, elevation 620 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).