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
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 19 |
| 2 | 27 | 19 |
| 3 | 27 | 19 |
| 4 | 27 | 19 |
| 5 | 27 | 19 |
| 6 | 27 | 19 |
| 7 | 27 | 19 |
| 8 | 27 | 19 |
| 9 | 27 | 19 |
| 10 | 27 | 19 |
| 11 | 27 | 19 |
| 12 | 28 | 19 |
| 13 | 28 | 19 |
| 14 | 28 | 19 |
| 15 | 28 | 19 |
| 16 | 28 | 19 |
| 17 | 28 | 19 |
| 18 | 28 | 19 |
| 19 | 28 | 19 |
| 20 | 28 | 19 |
| 21 | 28 | 19 |
| 22 | 28 | 19 |
| 23 | 28 | 19 |
| 24 | 28 | 19 |
| 25 | 28 | 19 |
| 26 | 28 | 19 |
| 27 | 28 | 19 |
| 28 | 28 | 19 |
| 29 | 28 | 19 |
| 30 | 28 | 19 |
| 31 | 28 | 19 |
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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 17° | 3 | 1.1 | 11.3 | 7.6 |
| Feb | 30° / 17° | 3 | 1.2 | 11.5 | 6.8 |
| Mar | 30° / 18° | 13 | 3.9 | 11.9 | 5.9 |
| Apr | 30° / 19° | 54 | 11.1 | 12.3 | 4.8 |
| May | 29° / 20° | 210 | 23.3 | 12.6 | 3.7 |
| Jun | 28° / 20° | 286 | 25.2 | 12.8 | 3.6 |
| Jul | 29° / 20° | 142 | 16.8 | 12.7 | 4.4 |
| Aug | 29° / 20° | 203 | 21.7 | 12.5 | 3.9 |
| Sep | 28° / 19° | 321 | 26.9 | 12.1 | 3.5 |
| Oct | 28° / 19° | 231 | 20.6 | 11.7 | 4.7 |
| Nov | 28° / 18° | 37 | 5.8 | 11.4 | 6.7 |
| Dec | 28° / 17° | 9 | 2 | 11.2 | 7.4 |
Cloud cover in October
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 13 | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 19 | 20 | 21 | 21 | 22 | 24 | 25 | 27 | 29 | 30 | 32 | 33 | 36 | 37 | 38 | 40 | 41 | 43 | 45 |
| Cloudier (%) | 87 | 86 | 86 | 85 | 84 | 84 | 84 | 84 | 83 | 82 | 82 | 82 | 81 | 80 | 79 | 79 | 78 | 76 | 75 | 73 | 71 | 70 | 68 | 67 | 64 | 63 | 62 | 60 | 59 | 57 | 55 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 13 | 87 |
| 2 | 14 | 86 |
| 3 | 14 | 86 |
| 4 | 15 | 85 |
| 5 | 16 | 84 |
| 6 | 16 | 84 |
| 7 | 16 | 84 |
| 8 | 16 | 84 |
| 9 | 17 | 83 |
| 10 | 18 | 82 |
| 11 | 18 | 82 |
| 12 | 18 | 82 |
| 13 | 19 | 81 |
| 14 | 20 | 80 |
| 15 | 21 | 79 |
| 16 | 21 | 79 |
| 17 | 22 | 78 |
| 18 | 24 | 76 |
| 19 | 25 | 75 |
| 20 | 27 | 73 |
| 21 | 29 | 71 |
| 22 | 30 | 70 |
| 23 | 32 | 68 |
| 24 | 33 | 67 |
| 25 | 36 | 64 |
| 26 | 37 | 63 |
| 27 | 38 | 62 |
| 28 | 40 | 60 |
| 29 | 41 | 59 |
| 30 | 43 | 57 |
| 31 | 45 | 55 |
Chance of precipitation in October
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 86 | 85 | 84 | 82 | 81 | 80 | 79 | 78 | 77 | 76 | 75 | 74 | 72 | 71 | 70 | 69 | 67 | 66 | 64 | 63 | 61 | 59 | 57 | 55 | 53 | 51 | 49 | 47 | 45 | 42 | 40 |
| Rain chance (%) | |
|---|---|
| 1 | 86 |
| 2 | 85 |
| 3 | 84 |
| 4 | 82 |
| 5 | 81 |
| 6 | 80 |
| 7 | 79 |
| 8 | 78 |
| 9 | 77 |
| 10 | 76 |
| 11 | 75 |
| 12 | 74 |
| 13 | 72 |
| 14 | 71 |
| 15 | 70 |
| 16 | 69 |
| 17 | 67 |
| 18 | 66 |
| 19 | 64 |
| 20 | 63 |
| 21 | 61 |
| 22 | 59 |
| 23 | 57 |
| 24 | 55 |
| 25 | 53 |
| 26 | 51 |
| 27 | 49 |
| 28 | 47 |
| 29 | 45 |
| 30 | 42 |
| 31 | 40 |
Humidity in October
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 |
| Humid (%) | 4 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 13 | 14 | 15 | 17 | 18 | 19 | 21 | 22 | 23 | 25 | 26 | 27 | 28 | 29 | 31 | 32 | 33 | 34 | 36 | 37 | 38 |
| Muggy (%) | 95 | 94 | 93 | 93 | 92 | 91 | 90 | 89 | 88 | 87 | 85 | 84 | 83 | 81 | 80 | 78 | 76 | 75 | 73 | 70 | 69 | 67 | 65 | 64 | 61 | 59 | 57 | 56 | 53 | 52 | 50 |
| Oppressive (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 0 | 4 | 95 | 1 |
| 2 | 0 | 1 | 4 | 94 | 1 |
| 3 | 0 | 1 | 5 | 93 | 1 |
| 4 | 0 | 1 | 5 | 93 | 1 |
| 5 | 0 | 1 | 6 | 92 | 1 |
| 6 | 0 | 1 | 7 | 91 | 1 |
| 7 | 0 | 1 | 8 | 90 | 1 |
| 8 | 0 | 1 | 9 | 89 | 1 |
| 9 | 0 | 1 | 10 | 88 | 1 |
| 10 | 0 | 1 | 11 | 87 | 1 |
| 11 | 0 | 1 | 13 | 85 | 1 |
| 12 | 0 | 1 | 14 | 84 | 1 |
| 13 | 0 | 1 | 15 | 83 | 1 |
| 14 | 0 | 1 | 17 | 81 | 1 |
| 15 | 0 | 1 | 18 | 80 | 1 |
| 16 | 0 | 2 | 19 | 78 | 1 |
| 17 | 0 | 2 | 21 | 76 | 1 |
| 18 | 0 | 2 | 22 | 75 | 1 |
| 19 | 0 | 3 | 23 | 73 | 1 |
| 20 | 0 | 4 | 25 | 70 | 1 |
| 21 | 0 | 4 | 26 | 69 | 1 |
| 22 | 0 | 5 | 27 | 67 | 1 |
| 23 | 0 | 6 | 28 | 65 | 1 |
| 24 | 0 | 6 | 29 | 64 | 1 |
| 25 | 0 | 7 | 31 | 61 | 1 |
| 26 | 1 | 7 | 32 | 59 | 1 |
| 27 | 1 | 8 | 33 | 57 | 1 |
| 28 | 1 | 8 | 34 | 56 | 1 |
| 29 | 1 | 9 | 36 | 53 | 1 |
| 30 | 1 | 9 | 37 | 52 | 1 |
| 31 | 1 | 10 | 38 | 50 | 1 |
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in October
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 |
| Sunrise (AM) | 5:52 | 5:52 | 5:52 | 5:52 | 5:52 | 5:52 | 5:53 | 5:53 | 5:53 | 5:53 | 5:53 | 5:53 | 5:53 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:56 | 5:56 | 5:56 | 5:57 | 5:57 | 5:57 | 5:57 | 5:58 |
| Sunset (PM) | 5:45 | 5:44 | 5:43 | 5:43 | 5:42 | 5:41 | 5:40 | 5:40 | 5:39 | 5:39 | 5:38 | 5:37 | 5:37 | 5:36 | 5:35 | 5:35 | 5:34 | 5:34 | 5:33 | 5:33 | 5:32 | 5:32 | 5:31 | 5:31 | 5:30 | 5:30 | 5:30 | 5:29 | 5:29 | 5:28 | 5:28 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 5:52 | 5:45 |
| 2 | 11.9 | 5:52 | 5:44 |
| 3 | 11.9 | 5:52 | 5:43 |
| 4 | 11.8 | 5:52 | 5:43 |
| 5 | 11.8 | 5:52 | 5:42 |
| 6 | 11.8 | 5:52 | 5:41 |
| 7 | 11.8 | 5:53 | 5:40 |
| 8 | 11.8 | 5:53 | 5:40 |
| 9 | 11.8 | 5:53 | 5:39 |
| 10 | 11.8 | 5:53 | 5:39 |
| 11 | 11.7 | 5:53 | 5:38 |
| 12 | 11.7 | 5:53 | 5:37 |
| 13 | 11.7 | 5:53 | 5:37 |
| 14 | 11.7 | 5:54 | 5:36 |
| 15 | 11.7 | 5:54 | 5:35 |
| 16 | 11.7 | 5:54 | 5:35 |
| 17 | 11.7 | 5:54 | 5:34 |
| 18 | 11.7 | 5:54 | 5:34 |
| 19 | 11.6 | 5:55 | 5:33 |
| 20 | 11.6 | 5:55 | 5:33 |
| 21 | 11.6 | 5:55 | 5:32 |
| 22 | 11.6 | 5:55 | 5:32 |
| 23 | 11.6 | 5:55 | 5:31 |
| 24 | 11.6 | 5:56 | 5:31 |
| 25 | 11.6 | 5:56 | 5:30 |
| 26 | 11.6 | 5:56 | 5:30 |
| 27 | 11.5 | 5:57 | 5:30 |
| 28 | 11.5 | 5:57 | 5:29 |
| 29 | 11.5 | 5:57 | 5:29 |
| 30 | 11.5 | 5:57 | 5:28 |
| 31 | 11.5 | 5:58 | 5:28 |
Solar energy in October
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.7 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.8 | Bright |
| 17 | 4.8 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.9 | Bright |
| 23 | 4.9 | Bright |
| 24 | 4.9 | Bright |
| 25 | 4.9 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.0 | Bright |
| 28 | 5.0 | Bright |
| 29 | 5.0 | Bright |
| 30 | 5.0 | Bright |
| 31 | 5.0 | Bright |
Hazard calendar for Ahuachapan
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.
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).
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.
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Ahuachapan in October
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 13 | 13 | 14 | 12 | 13 | 12 | 12 | 12 | 11 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 13 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Ahuachapan in October
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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 16 | 17 | 21 | 34 | 32 | 23 | 23 | 21 | 21 | 21 | 20 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 17 | Moderate |
| Mar | 21 | Moderate |
| Apr | 34 | Moderate |
| May | 32 | Moderate |
| Jun | 23 | Moderate |
| Jul | 23 | Moderate |
| Aug | 21 | Moderate |
| Sep | 21 | Moderate |
| Oct | 21 | Moderate |
| Nov | 20 | Moderate |
| Dec | 17 | Moderate |
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.
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.
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
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).