Arenillas weather in October
In October, Arenillas sees average daytime highs of 27°C and overnight lows near 20°C, with 47 mm of rain across 12.3 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 1% of the time in October, and the air most often feels muggy.
Daylight stretches from about 12 hours at the start of October to 12 h 06 min by month's end. Set against the rest of the year, October is Arenillas's 9th-clearest and 1st-windiest month. For the whole year in context, see Arenillas's year-round climate.
- Daytime high
- 27°
- 8th warmest
- Overnight low
- 20°
- 4th coldest
- Rainfall
- 47 mm
- 12.3 wet days
- Daylight
- 12 h 06 min
- 6:03 AM – 6:08 PM
- Cloud cover
- 86%
- 9th clearest
- Wind
- 6 km/h
- 1st windiest
- Solar energy
- 5.33 kWh/m²
- Travel score
- 5.7
- out of 10
Temperature in October
Day-to-day highs hold fairly steady near 27°C through the month.
A typical October day in Arenillas reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°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 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 20 |
| 2 | 27 | 20 |
| 3 | 27 | 20 |
| 4 | 27 | 20 |
| 5 | 27 | 20 |
| 6 | 27 | 20 |
| 7 | 27 | 20 |
| 8 | 27 | 20 |
| 9 | 27 | 20 |
| 10 | 27 | 20 |
| 11 | 27 | 20 |
| 12 | 27 | 20 |
| 13 | 27 | 20 |
| 14 | 27 | 20 |
| 15 | 27 | 20 |
| 16 | 27 | 20 |
| 17 | 27 | 20 |
| 18 | 27 | 20 |
| 19 | 27 | 20 |
| 20 | 27 | 20 |
| 21 | 27 | 20 |
| 22 | 27 | 20 |
| 23 | 27 | 20 |
| 24 | 27 | 20 |
| 25 | 27 | 20 |
| 26 | 27 | 20 |
| 27 | 27 | 20 |
| 28 | 27 | 20 |
| 29 | 27 | 20 |
| 30 | 27 | 20 |
| 31 | 27 | 20 |
How October really feels in Arenillas
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.
October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Arenillas weather by month
How October compares with the rest of the year at a glance. October is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 22° | 246 | 26.5 | 12.2 | 3.4 |
| Feb | 29° / 23° | 366 | 26.3 | 12.1 | 3.0 |
| Mar | 29° / 23° | 461 | 27.9 | 12 | 3.1 |
| Apr | 29° / 23° | 298 | 25.5 | 11.9 | 3.3 |
| May | 28° / 22° | 192 | 24.7 | 11.8 | 3.8 |
| Jun | 27° / 21° | 81 | 18.5 | 11.8 | 4.9 |
| Jul | 26° / 20° | 52 | 15.6 | 11.8 | 5.5 |
| Aug | 26° / 19° | 30 | 9.3 | 11.9 | 6.4 |
| Sep | 26° / 20° | 33 | 8.2 | 12 | 6.4 |
| Oct | 27° / 20° | 47 | 12.3 | 12.1 | 5.7 |
| Nov | 27° / 20° | 62 | 13.3 | 12.2 | 5.4 |
| Dec | 28° / 21° | 129 | 20.4 | 12.2 | 4.4 |
Cloud cover in October
The sky is clear or mostly clear about 1% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 5% of October, with mostly cloudy or overcast conditions the remaining 93%.
| 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 (%) | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 |
| Cloudier (%) | 91 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 93 | 93 | 93 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 9 | 91 |
| 2 | 8 | 92 |
| 3 | 8 | 92 |
| 4 | 8 | 92 |
| 5 | 8 | 92 |
| 6 | 8 | 92 |
| 7 | 8 | 92 |
| 8 | 8 | 92 |
| 9 | 7 | 93 |
| 10 | 7 | 93 |
| 11 | 7 | 93 |
| 12 | 7 | 93 |
| 13 | 7 | 93 |
| 14 | 7 | 93 |
| 15 | 7 | 93 |
| 16 | 8 | 92 |
| 17 | 7 | 93 |
| 18 | 7 | 93 |
| 19 | 7 | 93 |
| 20 | 5 | 95 |
| 21 | 5 | 95 |
| 22 | 5 | 95 |
| 23 | 5 | 95 |
| 24 | 5 | 95 |
| 25 | 5 | 95 |
| 26 | 4 | 96 |
| 27 | 4 | 96 |
| 28 | 4 | 96 |
| 29 | 4 | 96 |
| 30 | 4 | 96 |
| 31 | 4 | 96 |
Chance of precipitation in October
Arenillas gets around 47 mm of rain over 12.3 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 39% and peaks near 41% on the wettest days.
| 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 (%) | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 |
| Rain chance (%) | |
|---|---|
| 1 | 35 |
| 2 | 35 |
| 3 | 36 |
| 4 | 36 |
| 5 | 37 |
| 6 | 37 |
| 7 | 37 |
| 8 | 38 |
| 9 | 38 |
| 10 | 38 |
| 11 | 39 |
| 12 | 39 |
| 13 | 40 |
| 14 | 40 |
| 15 | 41 |
| 16 | 41 |
| 17 | 41 |
| 18 | 41 |
| 19 | 41 |
| 20 | 41 |
| 21 | 41 |
| 22 | 41 |
| 23 | 41 |
| 24 | 41 |
| 25 | 41 |
| 26 | 41 |
| 27 | 41 |
| 28 | 41 |
| 29 | 41 |
| 30 | 41 |
| 31 | 41 |
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 92% of days. Sticky, muggy-or-worse air turns up on roughly 98% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 |
| Muggy (%) | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 |
| Oppressive (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 0 | 94 | 6 |
| 2 | 0 | 94 | 6 |
| 3 | 0 | 94 | 6 |
| 4 | 0 | 94 | 6 |
| 5 | 0 | 94 | 6 |
| 6 | 0 | 94 | 6 |
| 7 | 0 | 94 | 6 |
| 8 | 1 | 93 | 6 |
| 9 | 1 | 93 | 6 |
| 10 | 1 | 92 | 7 |
| 11 | 1 | 92 | 7 |
| 12 | 1 | 92 | 7 |
| 13 | 2 | 91 | 7 |
| 14 | 2 | 91 | 7 |
| 15 | 2 | 91 | 7 |
| 16 | 2 | 91 | 7 |
| 17 | 3 | 90 | 7 |
| 18 | 3 | 90 | 7 |
| 19 | 3 | 90 | 7 |
| 20 | 3 | 90 | 7 |
| 21 | 3 | 90 | 7 |
| 22 | 3 | 90 | 7 |
| 23 | 3 | 91 | 6 |
| 24 | 3 | 91 | 6 |
| 25 | 3 | 91 | 6 |
| 26 | 3 | 91 | 6 |
| 27 | 3 | 91 | 6 |
| 28 | 3 | 91 | 6 |
| 29 | 3 | 91 | 6 |
| 30 | 3 | 91 | 6 |
| 31 | 4 | 90 | 6 |
Wind in October
Winds average 6 km/h in October, the windiest month of the year.
Across October, daily wind ranges from about 6 km/h on the calmest days to 6 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) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | 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 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in October
Daylight runs from about 12 hours at the start of October to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over October. Sunrise moves from 6:08 AM to 6:00 AM, and sunset from 6:10 PM to 6:08 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) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:08 | 6:08 | 6:07 | 6:07 | 6:07 | 6:06 | 6:06 | 6:06 | 6:05 | 6:05 | 6:04 | 6:04 | 6:04 | 6:04 | 6:03 | 6:03 | 6:03 | 6:02 | 6:02 | 6:02 | 6:02 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:00 | 6:00 | 6:00 | 6:00 |
| Sunset (PM) | 6:10 | 6:10 | 6:10 | 6:10 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.0 | 6:08 | 6:10 |
| 2 | 12.0 | 6:08 | 6:10 |
| 3 | 12.0 | 6:07 | 6:10 |
| 4 | 12.0 | 6:07 | 6:10 |
| 5 | 12.0 | 6:07 | 6:09 |
| 6 | 12.0 | 6:06 | 6:09 |
| 7 | 12.1 | 6:06 | 6:09 |
| 8 | 12.1 | 6:06 | 6:09 |
| 9 | 12.1 | 6:05 | 6:09 |
| 10 | 12.1 | 6:05 | 6:08 |
| 11 | 12.1 | 6:04 | 6:08 |
| 12 | 12.1 | 6:04 | 6:08 |
| 13 | 12.1 | 6:04 | 6:08 |
| 14 | 12.1 | 6:04 | 6:08 |
| 15 | 12.1 | 6:03 | 6:08 |
| 16 | 12.1 | 6:03 | 6:08 |
| 17 | 12.1 | 6:03 | 6:08 |
| 18 | 12.1 | 6:02 | 6:08 |
| 19 | 12.1 | 6:02 | 6:07 |
| 20 | 12.1 | 6:02 | 6:07 |
| 21 | 12.1 | 6:02 | 6:07 |
| 22 | 12.1 | 6:01 | 6:07 |
| 23 | 12.1 | 6:01 | 6:07 |
| 24 | 12.1 | 6:01 | 6:07 |
| 25 | 12.1 | 6:01 | 6:07 |
| 26 | 12.1 | 6:01 | 6:07 |
| 27 | 12.1 | 6:01 | 6:07 |
| 28 | 12.1 | 6:00 | 6:07 |
| 29 | 12.1 | 6:00 | 6:07 |
| 30 | 12.1 | 6:00 | 6:07 |
| 31 | 12.1 | 6:00 | 6:08 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 5.33 kWh/m².
For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 5.51 kWh/m² in September across the year — October's 5.33 kWh/m² falls in the middle.
| 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) | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 |
| 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 | 5.4 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.4 | Bright |
| 12 | 5.4 | Bright |
| 13 | 5.4 | Bright |
| 14 | 5.4 | Bright |
| 15 | 5.4 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.4 | Bright |
| 18 | 5.3 | Bright |
| 19 | 5.3 | Bright |
| 20 | 5.3 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.3 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.3 | Bright |
| 25 | 5.3 | Bright |
| 26 | 5.3 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
| 31 | 5.3 | Bright |
Hazard calendar for Arenillas
None of Arenillas's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Arenillas's monsoon runs January–April, when most of the year's rain falls.
Is October a good time to visit Arenillas?
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 Arenillas for sightseeing.
What to pack for Arenillas in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Arenillas sees daytime highs around 27°C and nights near 20°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.
Sea temperature near Arenillas in October
The nearest coast averages about 23°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 40 km away) is warmest in March at about 27°C and coldest in September near 23°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) | 26 | 26 | 27 | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 26 | Warm |
| Jun | 25 | Warm |
| Jul | 24 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Refreshing |
| Dec | 25 | Warm |
UV index in Arenillas in October
Clear-sky midday UV in October peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arenillas peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 10 (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) | 14 | 15 | 15 | 12 | 12 | 10 | 10 | 10 | 12 | 13 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Arenillas 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 Arenillas is worst in December — around 29 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (August, 9 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) | 15 | 14 | 14 | 15 | 15 | 15 | 12 | 9 | 10 | 14 | 27 | 29 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 14 | Moderate |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 15 | Moderate |
| Jun | 15 | Moderate |
| Jul | 12 | Moderate |
| Aug | 9 | Good |
| Sep | 10 | Good |
| Oct | 14 | Moderate |
| Nov | 27 | Moderate |
| Dec | 29 | Moderate |
Where is Arenillas?
Arenillas sits at 3.6°S, 80.1°W, 41 m above sea level, in Ecuador. The nearest listed city is Santa Rosa, 16 km away.
Topography around Arenillas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arenillas.
Within 3 km, the terrain around Arenillas has only modest variations in elevation — a maximum elevation change of 134 m around an average of 48 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 507 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,874 m.
The land around Arenillas is covered by trees (41%) and grassland (39%) within 3 km, trees (45%) and grassland (34%) within 16 km, and trees (40%), water (28%) and grassland (23%) within 80 km.
Ecuador travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 43% of US
- price level, 2025
- GDP per capita
- $7,125
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 70%
- of population, 2024
- Homicide rate
- 45.7
- per 100k, 2023
- Road deaths
- 20.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 466
- 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 Arenillas (-3.554°, -80.0668°, elevation 41 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. 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).