Arenillas weather in May
In May, Arenillas sees average daytime highs of 28°C and overnight lows near 22°C, with 192 mm of rain across 24.7 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 5th-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 0% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Arenillas's 5th-clearest and 8th-windiest month. For the whole year in context, see Arenillas's year-round climate.
- Daytime high
- 28°
- 5th warmest
- Overnight low
- 22°
- 8th coldest
- Rainfall
- 192 mm
- 24.7 wet days
- Daylight
- 11 h 48 min
- 6:21 AM – 6:12 PM
- Cloud cover
- 84%
- 5th clearest
- Wind
- 5 km/h
- 8th windiest
- Solar energy
- 4.58 kWh/m²
- Travel score
- 3.8
- out of 10
Temperature in May
Day-to-day highs hold fairly steady near 28°C through the month.
A typical May day in Arenillas reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.
| 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 22 |
| 2 | 29 | 22 |
| 3 | 29 | 22 |
| 4 | 29 | 22 |
| 5 | 29 | 22 |
| 6 | 29 | 22 |
| 7 | 29 | 22 |
| 8 | 29 | 22 |
| 9 | 29 | 22 |
| 10 | 28 | 22 |
| 11 | 28 | 22 |
| 12 | 28 | 22 |
| 13 | 28 | 22 |
| 14 | 28 | 22 |
| 15 | 28 | 22 |
| 16 | 28 | 22 |
| 17 | 28 | 22 |
| 18 | 28 | 22 |
| 19 | 28 | 22 |
| 20 | 28 | 22 |
| 21 | 28 | 22 |
| 22 | 28 | 22 |
| 23 | 28 | 22 |
| 24 | 28 | 22 |
| 25 | 28 | 22 |
| 26 | 28 | 22 |
| 27 | 28 | 22 |
| 28 | 28 | 22 |
| 29 | 28 | 22 |
| 30 | 28 | 21 |
| 31 | 28 | 21 |
How May really feels in Arenillas
Once humidity and wind are folded in, May 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.
May 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 May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-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 May
The sky is clear or mostly clear about 0% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 3% of May, with mostly cloudy or overcast conditions the remaining 96%.
| 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 (%) | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 |
| Cloudier (%) | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 98 | 98 | 98 | 97 | 97 | 97 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 5 | 95 |
| 2 | 5 | 95 |
| 3 | 5 | 95 |
| 4 | 4 | 96 |
| 5 | 4 | 96 |
| 6 | 4 | 96 |
| 7 | 4 | 96 |
| 8 | 4 | 96 |
| 9 | 4 | 96 |
| 10 | 4 | 96 |
| 11 | 4 | 96 |
| 12 | 4 | 96 |
| 13 | 4 | 96 |
| 14 | 4 | 96 |
| 15 | 4 | 96 |
| 16 | 4 | 96 |
| 17 | 3 | 97 |
| 18 | 3 | 97 |
| 19 | 4 | 96 |
| 20 | 4 | 96 |
| 21 | 4 | 96 |
| 22 | 4 | 96 |
| 23 | 3 | 97 |
| 24 | 3 | 97 |
| 25 | 3 | 97 |
| 26 | 2 | 98 |
| 27 | 2 | 98 |
| 28 | 2 | 98 |
| 29 | 3 | 97 |
| 30 | 3 | 97 |
| 31 | 3 | 97 |
Chance of precipitation in May
Arenillas gets around 192 mm of rain over 24.7 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 79% 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 | 86 | 86 | 85 | 85 | 85 | 85 | 85 | 85 | 84 | 84 | 83 | 83 | 82 | 81 | 81 | 80 | 79 | 78 | 78 | 77 | 76 | 75 | 74 | 74 | 73 | 72 | 72 | 71 | 70 | 69 |
| Rain chance (%) | |
|---|---|
| 1 | 86 |
| 2 | 86 |
| 3 | 86 |
| 4 | 85 |
| 5 | 85 |
| 6 | 85 |
| 7 | 85 |
| 8 | 85 |
| 9 | 85 |
| 10 | 84 |
| 11 | 84 |
| 12 | 83 |
| 13 | 83 |
| 14 | 82 |
| 15 | 81 |
| 16 | 81 |
| 17 | 80 |
| 18 | 79 |
| 19 | 78 |
| 20 | 78 |
| 21 | 77 |
| 22 | 76 |
| 23 | 75 |
| 24 | 74 |
| 25 | 74 |
| 26 | 73 |
| 27 | 72 |
| 28 | 72 |
| 29 | 71 |
| 30 | 70 |
| 31 | 69 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 12 | 13 | 15 | 16 | 18 | 19 | 21 | 23 | 24 | 26 | 27 | 28 | 30 | 31 | 33 | 34 | 35 |
| Oppressive (%) | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 92 | 92 | 91 | 90 | 89 | 88 | 86 | 85 | 83 | 82 | 80 | 80 | 78 | 76 | 75 | 73 | 72 | 71 | 69 | 69 | 67 | 66 | 65 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 5 | 94 | 1 |
| 2 | 5 | 94 | 1 |
| 3 | 5 | 94 | 1 |
| 4 | 5 | 94 | 1 |
| 5 | 6 | 93 | 1 |
| 6 | 6 | 93 | 1 |
| 7 | 6 | 93 | 1 |
| 8 | 6 | 93 | 1 |
| 9 | 7 | 92 | 1 |
| 10 | 7 | 92 | 1 |
| 11 | 8 | 91 | 1 |
| 12 | 9 | 90 | 1 |
| 13 | 9 | 89 | 2 |
| 14 | 10 | 88 | 2 |
| 15 | 12 | 86 | 2 |
| 16 | 13 | 85 | 2 |
| 17 | 15 | 83 | 2 |
| 18 | 16 | 82 | 2 |
| 19 | 18 | 80 | 2 |
| 20 | 19 | 80 | 1 |
| 21 | 21 | 78 | 1 |
| 22 | 23 | 76 | 1 |
| 23 | 24 | 75 | 1 |
| 24 | 26 | 73 | 1 |
| 25 | 27 | 72 | 1 |
| 26 | 28 | 71 | 1 |
| 27 | 30 | 69 | 1 |
| 28 | 31 | 69 | 0 |
| 29 | 33 | 67 | 0 |
| 30 | 34 | 66 | 0 |
| 31 | 35 | 65 | 0 |
Wind in May
Winds average 5 km/h in May.
Across May, daily wind ranges from about 5 km/h on the calmest days to 5 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 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in May
Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over May. Sunrise moves from 6:21 AM to 6:23 AM, and sunset from 6:14 PM to 6:12 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 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 |
| Sunset (PM) | 6:14 | 6:14 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:21 | 6:14 |
| 2 | 11.9 | 6:21 | 6:14 |
| 3 | 11.9 | 6:21 | 6:13 |
| 4 | 11.9 | 6:21 | 6:13 |
| 5 | 11.9 | 6:21 | 6:13 |
| 6 | 11.9 | 6:21 | 6:13 |
| 7 | 11.9 | 6:21 | 6:13 |
| 8 | 11.9 | 6:21 | 6:13 |
| 9 | 11.9 | 6:21 | 6:12 |
| 10 | 11.9 | 6:21 | 6:12 |
| 11 | 11.9 | 6:21 | 6:12 |
| 12 | 11.8 | 6:21 | 6:12 |
| 13 | 11.8 | 6:21 | 6:12 |
| 14 | 11.8 | 6:21 | 6:12 |
| 15 | 11.8 | 6:21 | 6:12 |
| 16 | 11.8 | 6:21 | 6:12 |
| 17 | 11.8 | 6:21 | 6:12 |
| 18 | 11.8 | 6:22 | 6:12 |
| 19 | 11.8 | 6:22 | 6:12 |
| 20 | 11.8 | 6:22 | 6:12 |
| 21 | 11.8 | 6:22 | 6:12 |
| 22 | 11.8 | 6:22 | 6:12 |
| 23 | 11.8 | 6:22 | 6:12 |
| 24 | 11.8 | 6:22 | 6:12 |
| 25 | 11.8 | 6:22 | 6:12 |
| 26 | 11.8 | 6:22 | 6:12 |
| 27 | 11.8 | 6:23 | 6:12 |
| 28 | 11.8 | 6:23 | 6:12 |
| 29 | 11.8 | 6:23 | 6:12 |
| 30 | 11.8 | 6:23 | 6:12 |
| 31 | 11.8 | 6:23 | 6:12 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 4.58 kWh/m² — the year's lowest.
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 — May's 4.58 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 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 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 |
| 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 | 4.6 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.5 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
| 31 | 4.5 | Bright |
Hazard calendar for Arenillas
None of Arenillas's seasonal hazards are active in May. 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 May a good time to visit Arenillas?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a weaker month for outdoor sightseeing in Arenillas.
What to pack for Arenillas in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Arenillas sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.
Sea temperature near Arenillas in May
The nearest coast averages about 26°C in May — 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 May
Clear-sky midday UV in May peaks around 12 (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 May
Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).