Ahuachapan weather in October

In October, Ahuachapan sees average daytime highs of 28°C and overnight lows near 19°C, with 231 mm of rain across 20.6 wet days and about 11.7 hours of daylight. It is the 12th-warmest and 3rd-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 11% of the time in October, and the air most often feels muggy.

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 Ahuachapan's 8th-clearest and 8th-windiest month. For the whole year in context, see Ahuachapan's year-round climate.

Daytime high
28°
12th warmest
Overnight low
19°
6th coldest
Rainfall
231 mm
20.6 wet days
Daylight
11 h 42 min
5:54 AM – 5:35 PM
Cloud cover
75%
8th clearest
Wind
5 km/h
8th windiest
Solar energy
4.83 kWh/m²
Travel score
4.7
out of 10

Ahuachapan is city in El Salvador.

Density
139/km²
people per km²
Founded
1862

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 Ahuachapan reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, October runs on par with September and on par with November.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

Ahuachapan weather by month

How October compares with the rest of the year at a glance. October is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°31.111.37.6
Feb30° / 17°31.211.56.8
Mar30° / 18°133.911.95.9
Apr30° / 19°5411.112.34.8
May29° / 20°21023.312.63.7
Jun28° / 20°28625.212.83.6
Jul29° / 20°14216.812.74.4
Aug29° / 20°20321.712.53.9
Sep28° / 19°32126.912.13.5
Oct28° / 19°23120.611.74.7
Nov28° / 18°375.811.46.7
Dec28° / 17°9211.27.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% 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 75%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21486
31486
41585
51684
61684
71684
81684
91783
101882
111882
121882
131981
142080
152179
162179
172278
182476
192575
202773
212971
223070
233268
243367
253664
263763
273862
284060
294159
304357
314555

Chance of precipitation in October

Any precipitation

Ahuachapan gets around 231 mm of rain over 20.6 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 66% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
285
384
482
581
680
779
878
977
1076
1175
1274
1372
1471
1570
1669
1767
1866
1964
2063
2161
2259
2357
2455
2553
2651
2749
2847
2945
3042
3140

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1004951
2014941
3015931
4015931
5016921
6017911
7018901
8019891
90110881
100111871
110113851
120114841
130115831
140117811
150118801
160219781
170221761
180222751
190323731
200425701
210426691
220527671
230628651
240629641
250731611
261732591
271833571
281834561
291936531
301937521
3111038501

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
307calm
317calm

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 5:52 AM to 5:58 AM, and sunset from 5:45 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:525:45
211.95:525:44
311.95:525:43
411.85:525:43
511.85:525:42
611.85:525:41
711.85:535:40
811.85:535:40
911.85:535:39
1011.85:535:39
1111.75:535:38
1211.75:535:37
1311.75:535:37
1411.75:545:36
1511.75:545:35
1611.75:545:35
1711.75:545:34
1811.75:545:34
1911.65:555:33
2011.65:555:33
2111.65:555:32
2211.65:555:32
2311.65:555:31
2411.65:565:31
2511.65:565:30
2611.65:565:30
2711.55:575:30
2811.55:575:29
2911.55:575:29
3011.55:575:28
3111.55:585:28

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.83 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 6.42 kWh/m² in March across the year — October's 4.83 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
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
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 Ahuachapan

In seasonPeak

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

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

Ahuachapan's monsoon runs August–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 Ahuachapan?

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

4.7
Sightseeing
7th-best month of the year
5.0
Beach & pool
8th-best month of the year

October is a reasonable time to visit Ahuachapan for sightseeing.

What to pack for Ahuachapan in October

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

In October, Ahuachapan sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Ahuachapan 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 33 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
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ahuachapan 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 Ahuachapan peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 highApr 13UV 14Nov 22UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Ahuachapan 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 Ahuachapan is worst in April — around 34 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2233 µg/m³Jan 1416 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar21Moderate
Apr34Moderate
May32Moderate
Jun23Moderate
Jul23Moderate
Aug21Moderate
Sep21Moderate
Oct21Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Ahuachapan?

Ahuachapan sits at 13.9°N, 89.8°W, 770 m above sea level, in El Salvador. The nearest listed city is Chalchuapa, 19 km away.

ChalchuapaSonzacateSonsonateIzalcoJalpataguaSanta AnaAcajutlaJutiapa

Topography around Ahuachapan

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

Within 3 km, the terrain around Ahuachapan has significant variations in elevation — a maximum elevation change of 406 m around an average of 775 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,866 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Ahuachapan is covered by trees (62%) and artificial surfaces (20%) within 3 km, trees (72%) within 16 km, and trees (44%), water (24%) and grassland (22%) within 80 km.

3 km
406 m
16 km
1,866 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
October weather nearby: Chalchuapa 19 km · Sonzacate 25 km · Sonsonate 26 km · Izalco 27 km · Jalpatagua 30 km · Santa Ana 32 km · Acajutla 37 km · Jutiapa 40 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 Ahuachapan (13.924°, -89.8434°, elevation 770 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).