Arenillas weather in April

In April, Arenillas sees average daytime highs of 29°C and overnight lows near 23°C, with 298 mm of rain across 25.5 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 11 h 54 min by month's end. Set against the rest of the year, April is Arenillas's 8th-clearest and 10th-windiest month. For the whole year in context, see Arenillas's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
23°
10th coldest
Rainfall
298 mm
25.5 wet days
Daylight
11 h 54 min
6:23 AM – 6:18 PM
Cloud cover
85%
8th clearest
Wind
5 km/h
10th windiest
Solar energy
4.83 kWh/m²
Travel score
3.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical April day in Arenillas reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252922
262922
272922
282922
292922
302922

How April really feels in Arenillas

Once humidity and wind are folded in, April averages 21 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
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Arenillas weather by month

How April compares with the rest of the year at a glance. April is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°24626.512.23.4
Feb29° / 23°36626.312.13.0
Mar29° / 23°46127.9123.1
Apr29° / 23°29825.511.93.3
May28° / 22°19224.711.83.8
Jun27° / 21°8118.511.84.9
Jul26° / 20°5215.611.85.5
Aug26° / 19°309.311.96.4
Sep26° / 20°338.2126.4
Oct27° / 20°4712.312.15.7
Nov27° / 20°6213.312.25.4
Dec28° / 21°12920.412.24.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 4% of April, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10397
11496
12496
13496
14595
15595
16595
17694
18694
19694
20694
21694
22694
23694
24694
25694
26694
27694
28694
29595
30595

Chance of precipitation in April

Any precipitation

Arenillas gets around 298 mm of rain over 25.5 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 85% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
287
387
487
586
686
786
885
985
1085
1185
1284
1384
1484
1584
1684
1784
1884
1984
2085
2185
2285
2385
2485
2585
2685
2785
2885
2986
3086

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
17912
26922
36922
46922
55932
65932
75932
85932
94942
104942
114951
124951
134951
144951
154951
164951
174951
184951
194951
204951
214951
224951
234951
244951
255941
265941
275941
285941
295941
305941

Wind in April

Winds average 5 km/h in April.

Across April, 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.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over April. Sunrise moves from 6:26 AM to 6:21 AM, and sunset from 6:24 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:266:24
212.06:266:24
312.06:256:23
412.06:256:23
512.06:256:22
612.06:256:22
712.06:256:22
811.96:246:21
911.96:246:21
1011.96:246:20
1111.96:246:20
1211.96:246:20
1311.96:236:19
1411.96:236:19
1511.96:236:19
1611.96:236:18
1711.96:236:18
1811.96:236:17
1911.96:226:17
2011.96:226:17
2111.96:226:16
2211.96:226:16
2311.96:226:16
2411.96:226:16
2511.96:226:15
2611.96:226:15
2711.96:216:15
2811.96:216:14
2911.96:216:14
3011.96:216:14

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.83 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 — April's 4.83 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in April

Hazard calendar for Arenillas

In seasonPeak

In April, Arenillas sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Arenillas's monsoon runs January–April, when most of the year's rain falls.

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

Is April a good time to visit Arenillas?

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

3.3
Sightseeing
10th-best month of the year
4.2
Beach & pool
9th-best month of the year

April is a weaker month for outdoor sightseeing in Arenillas.

What to pack for Arenillas in April

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

In April, Arenillas sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Arenillas in April

The nearest coast averages about 26°C in April — 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.

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr26Warm
May26Warm
Jun25Warm
Jul24Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Refreshing
Dec25Warm

UV index in Arenillas in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeFeb 21UV 15Jul 16UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Arenillas in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1128 µg/m³Aug 219 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar14Moderate
Apr15Moderate
May15Moderate
Jun15Moderate
Jul12Moderate
Aug9Good
Sep10Good
Oct14Moderate
Nov27Moderate
Dec29Moderate
Location & terrain

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.

3 km
134 m
16 km
507 m
80 km
3,874 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
April weather nearby: Santa Rosa 16 km · Huaquillas 20 km · Zarumilla 24 km · Machala 35 km · Pasaje 38 km · Tumbes 42 km · Guabo 43 km · Piñas 45 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
Roman Catholic 68%Protestant 19%none 8%other 2%

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).