San Lorenzo de Esmeraldas weather in March

In March, San Lorenzo de Esmeraldas sees average daytime highs of 29°C and overnight lows near 23°C, with 405 mm of rain across 27.6 wet days and about 12 hours of daylight. It is the 1st-warmest and 5th-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 March, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of March to 12 hours by month's end. Set against the rest of the year, March is San Lorenzo de Esmeraldas's 5th-clearest and 12th-windiest month. For the whole year in context, see San Lorenzo de Esmeraldas's year-round climate.

Daytime high
29°
1st warmest
Overnight low
23°
10th coldest
Rainfall
405 mm
27.6 wet days
Daylight
12 hours
6:25 AM – 6:25 PM
Cloud cover
88%
5th clearest
Wind
5 km/h
12th windiest
Solar energy
4.14 kWh/m²
Travel score
3.0
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 March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March 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, March runs on par with February and on par with April.

20°25°30°35°151015202531
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
312923

How March really feels in San Lorenzo de Esmeraldas

Once humidity and wind are folded in, March averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

San Lorenzo de Esmeraldas weather by month

How March compares with the rest of the year at a glance. March is the 1st-warmest and 5th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 4% of March, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23496
24496
25496
26595
27595
28595
29595
30595
31595

Chance of precipitation in March

Any precipitation

San Lorenzo de Esmeraldas gets around 405 mm of rain over 27.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
289
389
489
589
689
789
889
989
1089
1189
1288
1388
1488
1588
1688
1788
1888
1988
2089
2189
2289
2389
2489
2589
2689
2789
2888
2988
3089
3189

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16733
26634
36535
46535
56436
66436
76337
86337
96337
106337
116337
126238
136238
146238
156238
166238
176238
186139
196139
206040
216040
225941
235941
245941
255842
265842
275842
285743
295743
305743
315743

Wind in March

Winds average 5 km/h in March, the calmest month.

Across March, 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.

0246810151015202531
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
315calm

Sunrise & sunset in March

DaylightNight

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

Days grow by about 0 minutes over March. Sunrise moves from 6:29 AM to 6:20 AM, and sunset from 6:28 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:296:28
212.06:296:28
312.06:296:27
412.06:296:27
512.06:286:27
612.06:286:27
712.06:286:27
812.06:286:27
912.06:276:26
1012.06:276:26
1112.06:276:26
1212.06:276:26
1312.06:266:25
1412.06:266:25
1512.06:266:25
1612.06:256:25
1712.06:256:24
1812.06:256:24
1912.06:246:24
2012.06:246:24
2112.06:246:23
2212.06:236:23
2312.06:236:23
2412.06:236:23
2512.06:226:22
2612.06:226:22
2712.06:216:22
2812.06:216:21
2912.06:216:21
3012.06:206:21
3112.06:206:21

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.14 kWh/m² — the sunniest month for solar.

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 — March's 4.14 kWh/m² sits near the top of that range.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
314.1Bright
Planning a trip in March

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

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

3.0
Sightseeing
9th-best month of the year
4.0
Beach & pool
6th-best month of the year

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

What to pack for San Lorenzo de Esmeraldas in March

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

In March, 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 March

The nearest coast averages about 27°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (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 March

GoodModeratePoorUnhealthyVery unhealthy

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