Portoviejo climate

Name: Portoviejo
Address: EC

Portoviejo is warmest in November, with average highs of 30 °C, and coldest in September, when nights average 21 °C. February is the wettest month (255 mm) and August the driest (14 mm). Figures are 1991–2020 climate normals.

Across a full year Portoviejo averages 1,054 mm of rain and 361 days above 25 °C.

Ecuador · population 321,800 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month November 30 °C
Coldest month September 21 °C
Driest month August 14 mm
Wettest month February 255 mm
Least cloud August 78 % cloud
Hottest on record February 40 °C
Coldest on record November 17 °C
Warmest sea February 26 °C

What to expectPortoviejo through the year

Portoviejo changes little through the year. Average daily highs stay between 29 and 30 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 361 days a year reach 25 °C, 89 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in February.

Rain is strongly seasonal. February averages 255 mm against 14 mm in August — 18 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Portoviejo is warmest in February at 26 °C and coldest in September at 24 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	28.9 °C	134 mm	87 %
February	28.7 °C	255 mm	90 %
March	29.2 °C	230 mm	89 %
April	29.2 °C	159 mm	85 %
May	28.8 °C	78 mm	84 %
June	28.2 °C	33 mm	82 %
July	28.2 °C	23 mm	80 %
August	28.8 °C	14 mm	78 %
September	29.1 °C	20 mm	81 %
October	29.2 °C	19 mm	85 %
November	29.6 °C	24 mm	83 %
December	29.6 °C	64 mm	82 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	28.9 °C	22.9 °C	25.2 °C	32.9 °C	19.3 °C	31	7
February	28.7 °C	23.1 °C	25.3 °C	39.7 °C	20.6 °C	28	4
March	29.2 °C	23.3 °C	25.6 °C	35.5 °C	20.5 °C	31	7
April	29.2 °C	23.1 °C	25.5 °C	36.7 °C	19.8 °C	30	7
May	28.8 °C	22.9 °C	25.2 °C	34.0 °C	20.3 °C	31	6
June	28.2 °C	22.2 °C	24.5 °C	32.6 °C	18.2 °C	30	3
July	28.2 °C	21.7 °C	24.1 °C	32.1 °C	18.2 °C	30	4
August	28.8 °C	21.4 °C	24.1 °C	32.8 °C	17.4 °C	30	7
September	29.1 °C	21.4 °C	24.1 °C	33.8 °C	17.5 °C	29	10
October	29.2 °C	21.5 °C	24.3 °C	33.5 °C	18.2 °C	31	11
November	29.6 °C	21.6 °C	24.5 °C	33.6 °C	16.9 °C	30	12
December	29.6 °C	22.4 °C	25.0 °C	34.2 °C	18.0 °C	31	12

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	134 mm	18	12 h/day	87 %	83 %	11 km/h	25.8 °C
February	255 mm	23	12 h/day	90 %	87 %	10 km/h	26.3 °C
March	230 mm	23	12 h/day	89 %	87 %	10 km/h	26.2 °C
April	159 mm	20	12 h/day	85 %	86 %	11 km/h	26.1 °C
May	78 mm	14	12 h/day	84 %	84 %	11 km/h	26.2 °C
June	33 mm	8	12 h/day	82 %	82 %	11 km/h	25.5 °C
July	23 mm	6	12 h/day	80 %	79 %	12 km/h	24.8 °C
August	14 mm	4	12 h/day	78 %	76 %	13 km/h	24.5 °C
September	20 mm	5	12 h/day	81 %	76 %	13 km/h	24.4 °C
October	19 mm	4	12 h/day	85 %	76 %	13 km/h	24.7 °C
November	24 mm	4	12 h/day	83 %	75 %	13 km/h	24.5 °C
December	64 mm	10	12 h/day	82 %	78 %	13 km/h	25.0 °C

How Portoviejo compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Portoviejo	30 °C	21 °C	1,054 mm	361
Manta · Ecuador	29 °C	21 °C	548 mm	353
Daule · Ecuador	29 °C	21 °C	1,967 mm	358
Quevedo · Ecuador	27 °C	20 °C	5,786 mm	234
Eloy Alfaro · Ecuador	29 °C	21 °C	2,568 mm	359
Guayaquil · Ecuador	29 °C	21 °C	2,142 mm	356
Santo Domingo de los Colorados · Ecuador	25 °C	19 °C	2,720 mm	105

Where Portoviejo ranks

Ranking	Position	Value
Best beach destinations in the world in August	20th of 50	98/100
Best beach destinations in the world year-round	27th of 50	85/100
Best beach destinations in the world in November	35th of 50	95/100
Best beach destinations in the world in October	38th of 50	96/100
Best beach destinations in the world in September	41st of 50	95/100

Planning a trip? See the best time to visit Portoviejo.

QuestionsCommon questions about Portoviejo’s climate

When is the best time to visit Portoviejo?

That depends on what you want, so the honest answer is a comparison rather than a single month. July, August, September sit closest to 20 °C on average, November is the warmest month and August the driest. The month-by-month table above has the full picture.

How hot does Portoviejo get?

In November, the warmest month, daily highs average 30 °C. About 89 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 21 °C in September, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Portoviejo?

February, averaging 255 mm over 23 days with rain. The driest month is August with 14 mm. The year as a whole averages 1,054 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Portoviejo rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -1.058°, -80.451° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.