Monthly climate in Portoviejo, Ecuador

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Portoviejo features a tropical savanna climate (Aw). Temperatures typically range between 24 °C (76 °F) and 27 °C (80 °F) through the year, but rarely can drop to 19 °C (66 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 830 mm (32.7 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually. Portoviejo enjoys an average of 3065 hours of sunshine throughout the year, and daylight varies from 12 hours 3 minutes to 12 hours 9 minutes per day.

Monthly average temperatures in Portoviejo, Ecuador

The warmest months in Portoviejo are February, March and April, with daily mean temperatures ranging from 26 to 27 °C (80 - 80 °F) throughout the day. The coldest temperatures usually occur in August, September and October, when daily mean temperatures range from 24 to 25 °C (76 - 76 °F) throughout the day. On average each year, Portoviejo 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 Portoviejo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)
33°C
(91°F)
33°C
(92°F)
34°C
(93°F)
33°C
(92°F)
33°C
(92°F)
33°C
(92°F)
32°C
(89°F)
33°C
(91°F)
33°C
(91°F)
34°C
(93°F)
34°C
(93°F)
Mean maximum33°C
(91°F)
32°C
(90°F)
32°C
(90°F)
33°C
(91°F)
32°C
(90°F)
31°C
(89°F)
32°C
(89°F)
31°C
(88°F)
32°C
(89°F)
32°C
(90°F)
32°C
(90°F)
32°C
(90°F)
Average high30°C
(87°F)
30°C
(86°F)
30°C
(86°F)
31°C
(87°F)
30°C
(86°F)
29°C
(85°F)
29°C
(85°F)
29°C
(85°F)
29°C
(85°F)
29°C
(85°F)
30°C
(86°F)
30°C
(86°F)
Daily mean26°C
(80°F)
26°C
(80°F)
26°C
(80°F)
27°C
(80°F)
26°C
(79°F)
25°C
(78°F)
25°C
(77°F)
24°C
(76°F)
25°C
(76°F)
25°C
(76°F)
25°C
(77°F)
26°C
(78°F)
Average low23°C
(74°F)
24°C
(75°F)
24°C
(75°F)
24°C
(75°F)
23°C
(74°F)
23°C
(73°F)
22°C
(71°F)
21°C
(70°F)
21°C
(71°F)
22°C
(71°F)
22°C
(72°F)
23°C
(73°F)
Mean minimum22°C
(72°F)
23°C
(74°F)
23°C
(73°F)
22°C
(72°F)
22°C
(72°F)
22°C
(71°F)
20°C
(69°F)
20°C
(68°F)
20°C
(69°F)
20°C
(69°F)
20°C
(69°F)
21°C
(71°F)
Minimum21°C
(71°F)
22°C
(73°F)
22°C
(72°F)
21°C
(70°F)
21°C
(70°F)
21°C
(70°F)
20°C
(68°F)
19°C
(66°F)
19°C
(66°F)
20°C
(68°F)
19°C
(67°F)
21°C
(69°F)

Compare climate in Portoviejo with other places

Compare temperature, precipitation, sunshine, UV index in Portoviejo, Ecuador with other places around the world.

Monthly average precipitation in Portoviejo, Ecuador

Portoviejo usually has the most precipitation in February, March and April, with an average of 22 rainy days and 180 mm (7.1 inches) of precipitation per month. The driest months in Portoviejo are July, August and September. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Portoviejo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)98 (3.9)190 (7.5)233 (9.2)115 (4.5)72 (2.8)21 (0.8)8 (0.3)8 (0.3)9 (0.3)14 (0.5)10 (0.4)52 (2.0)
Average precipitation days (≥ 1 mm)152423191362223211

Monthly sunshine hours in Portoviejo, Ecuador

The sunniest months in Portoviejo are April, May and August, when the sun shines an average of 9 hours 9 minutes a day. Least sunny months in Portoviejo: January, February and June receive an average of 7 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Portoviejo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours207228266288270226260284264256249263
Mean daily daylight hours12h 9m12h 7m12h 5m12h 4m12h 3m12h 3m12h 3m12h 4m12h 5m12h 7m12h 8m12h 9m

Solar UV radiation in Portoviejo, Ecuador

Portoviejo experiences the highest level of ultraviolet (UV) radiation in January, March and April, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. June, July and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Portoviejo UV Index data.

Average daily maximum UV levels by month for Portoviejo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141415151311111213131211