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Monthly climate in San Lorenzo de Esmeraldas, Ecuador

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Lorenzo de Esmeraldas features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (78 °F) and 26 °C (80 °F) through the year, but rarely can drop to 21 °C (69 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 4023 mm (158.4 inches) and receives 313 rainy days on the 1 mm (0.04 inches) threshold annually. San Lorenzo de Esmeraldas enjoys an average of 2628 hours of sunshine throughout the year, and daylight varies from 12 hours 2 minutes to 12 hours 11 minutes per day.

Monthly average temperatures in San Lorenzo de Esmeraldas, Ecuador

The warmest months in San Lorenzo de Esmeraldas are March, April and May, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 25 to 25 °C (78 - 78 °F) throughout the day. On average each year, San Lorenzo de Esmeraldas experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in San Lorenzo de Esmeraldas. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		33°C
(91°F)		32°C
(90°F)		31°C
(89°F)		31°C
(89°F)		31°C
(89°F)		32°C
(90°F)		32°C
(90°F)		31°C
(89°F)
Mean maximum32°C
(89°F)		32°C
(90°F)		32°C
(91°F)		32°C
(90°F)		32°C
(89°F)		31°C
(88°F)		31°C
(87°F)		31°C
(87°F)		31°C
(87°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)
Average high29°C
(85°F)		30°C
(86°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)
Daily mean26°C
(78°F)		26°C
(79°F)		26°C
(80°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)
Average low23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)
Mean minimum22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		22°C
(73°F)		22°C
(72°F)		21°C
(71°F)		21°C
(71°F)		21°C
(71°F)		22°C
(71°F)		21°C
(71°F)		22°C
(72°F)
Minimum21°C
(69°F)		22°C
(71°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		22°C
(71°F)

Compare climate in San Lorenzo de Esmeraldas with other places

Compare temperature, precipitation, sunshine, UV index in San Lorenzo de Esmeraldas, Ecuador with other places around the world.

Monthly average precipitation in San Lorenzo de Esmeraldas, Ecuador

San Lorenzo de Esmeraldas usually has the most precipitation in April, May and June, with an average of 28 rainy days and 453 mm (17.8 inches) of precipitation per month. The driest months in San Lorenzo de Esmeraldas are September, October and November. On average, 217 mm (8.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Lorenzo de Esmeraldas. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)385 (15.2)369 (14.5)320 (12.6)404 (15.9)521 (20.5)433 (17.0)307 (12.1)270 (10.6)255 (10.0)208 (8.2)186 (7.3)363 (14.3)
Average precipitation days (≥ 1 mm)242726282928282525242128

Monthly sunshine hours in San Lorenzo de Esmeraldas, Ecuador

The sunniest months in San Lorenzo de Esmeraldas are March, July and August, when the sun shines an average of 7 hours 47 minutes a day. Least sunny months in San Lorenzo de Esmeraldas: January, February and October receive an average of 6 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Lorenzo de Esmeraldas. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours174206231217227220256236218210210217
Mean daily daylight hours12h 2m12h 3m12h 5m12h 7m12h 9m12h 11m12h 10m12h 8m12h 6m12h 4m12h 2m12h 2m

Solar UV radiation in San Lorenzo de Esmeraldas, Ecuador

San Lorenzo de Esmeraldas experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. June, November and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly San Lorenzo de Esmeraldas UV Index data.

Average daily maximum UV levels by month for San Lorenzo de Esmeraldas. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141415151412131313131211