San Lorenzo de Esmeraldas weather in April

In April, San Lorenzo de Esmeraldas sees average daytime highs of 29°C and overnight lows near 23°C, with 467 mm of rain across 27.8 wet days and about 12 hours of daylight. It is the 2nd-warmest and 2nd-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 0% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of April to 12 hours by month's end. Set against the rest of the year, April is San Lorenzo de Esmeraldas's 4th-clearest and 11th-windiest month. For the whole year in context, see San Lorenzo de Esmeraldas's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
23°
12th coldest
Rainfall
467 mm
27.8 wet days
Daylight
12 hours
6:15 AM – 6:16 PM
Cloud cover
88%
4th clearest
Wind
5 km/h
11th windiest
Solar energy
3.98 kWh/m²
Travel score
2.9
out of 10

San Lorenzo de Esmeraldas is city of Esmeraldas Province, Ecuador.

Founded
1743

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 San Lorenzo de Esmeraldas 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 31°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
252923
262923
272923
282923
292923
302923

How April really feels in San Lorenzo de Esmeraldas

Once humidity and wind are folded in, April averages 30 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
30
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.

San Lorenzo de Esmeraldas weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°44228.811.93.1
Feb29° / 23°36425.4123.0
Mar29° / 23°40527.6123.0
Apr29° / 23°46727.8122.9
May29° / 23°54629.412.12.9
Jun29° / 23°42827.412.13.1
Jul28° / 22°39627.312.13.3
Aug28° / 22°31926.3123.5
Sep28° / 22°32625.3123.5
Oct28° / 22°28824.5123.6
Nov28° / 22°23822.111.93.7
Dec29° / 23°35725.711.93.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 3% of April, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2496
3496
4496
5496
6496
7496
8496
9496
10496
11397
12397
13397
14397
15397
16397
17298
18298
19298
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298

Chance of precipitation in April

Any precipitation

San Lorenzo de Esmeraldas gets around 467 mm of rain over 27.8 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 93% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
189
289
390
490
590
691
791
891
992
1092
1193
1293
1393
1494
1594
1694
1794
1894
1994
2094
2194
2294
2395
2495
2595
2695
2795
2895
2996
3096

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15743
25743
35743
45743
55842
65842
75842
85743
95743
105743
115743
125743
135743
145644
155644
165545
175545
185446
195446
205347
215347
225248
235248
245149
255149
265050
275050
285050
294951
304951

Wind in April

Winds average 5 km/h in April.

Across April, 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.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
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 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over April. Sunrise moves from 6:20 AM to 6:11 AM, and sunset from 6:20 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:206:20
212.06:196:20
312.06:196:20
412.06:196:19
512.06:186:19
612.06:186:19
712.06:186:19
812.06:176:18
912.06:176:18
1012.06:176:18
1112.06:166:18
1212.06:166:17
1312.06:166:17
1412.06:156:17
1512.06:156:17
1612.06:156:16
1712.06:146:16
1812.06:146:16
1912.06:146:16
2012.06:146:16
2112.06:136:15
2212.06:136:15
2312.06:136:15
2412.06:136:15
2512.06:126:15
2612.06:126:15
2712.06:126:14
2812.06:126:14
2912.06:126:14
3012.06:116:14

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.98 kWh/m².

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 4.14 kWh/m² in March across the year — April's 3.98 kWh/m² sits near the top of that range.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Moderate
174.0Moderate
184.0Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.7Moderate
303.7Moderate
Planning a trip in April

Is April a good time to visit San Lorenzo de Esmeraldas?

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

2.9
Sightseeing
11th-best month of the year
3.8
Beach & pool
11th-best month of the year

April is a weaker month for outdoor sightseeing in San Lorenzo de Esmeraldas.

What to pack for San Lorenzo de Esmeraldas in April

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

In April, San Lorenzo de Esmeraldas sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near San Lorenzo de Esmeraldas in April

The nearest coast averages about 28°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 28°C and coldest in December near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Warm
Jun27Warm
Jul27Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov27Warm
Dec27Warm

UV index in San Lorenzo de Esmeraldas in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Lorenzo de Esmeraldas peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 at about 11 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 15Jul 19UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec12Extreme

Air quality in San Lorenzo de Esmeraldas 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 San Lorenzo de Esmeraldas is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateMar 1716 µg/m³Jul 188 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar17Moderate
Apr14Moderate
May11Good
Jun9Good
Jul8Good
Aug9Good
Sep9Good
Oct10Good
Nov13Moderate
Dec12Good
Location & terrain

Where is San Lorenzo de Esmeraldas?

San Lorenzo de Esmeraldas sits at 1.3°N, 78.8°W, 14 m above sea level, in Ecuador. The nearest listed city is Tumaco, 56 km away.

AtuntaquiRosa ZarateIbarraOtavaloTulcánTúquerres

Topography around San Lorenzo de Esmeraldas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Lorenzo de Esmeraldas.

Within 3 km, the terrain around San Lorenzo de Esmeraldas has only modest variations in elevation — a maximum elevation change of 44 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 125 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,370 m.

The land around San Lorenzo de Esmeraldas is covered by mangroves (33%), trees (32%) and water (21%) within 3 km, trees (56%) and mangroves (24%) within 16 km, and trees (65%) and water (29%) within 80 km.

3 km
44 m
16 km
125 m
80 km
2,370 m
treesgrasslandartificial surfaceswatermangroves
April weather nearby: Tumaco 56 km · Esmeraldas 98 km · Atuntaqui 127 km · Rosa Zarate 128 km · Ibarra 131 km · Otavalo 133 km · Tulcán 135 km · Túquerres 137 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 San Lorenzo de Esmeraldas (1.2863°, -78.8351°, elevation 14 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).