Portoviejo climate — normals and trends
Portoviejo (Ecuador) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.6 °C and it receives 945 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is April (25.6 °C on average) and the coldest is August (23.8 °C). Rainfall peaks in February.
Portoviejo averages 0 frost days, 128 hot days (≥ 30 °C) and 132 rainy days per year.
Portoviejo has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.9 °C (on 11 March 2015) and the coldest 17.3 °C (on 14 November 1967).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
PortoviejoManabí
- coords
- -1.06°, -80.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.6°C
Average daily high
29.2°C
Average daily low
21.8°C
Annual rainfall
945mm
Sunshine / day
9.2h
Mean relative humidity
77%
Average peak wind
12.4km/h
Seasonal range
1.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
128 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.8 °C
Average feels-like low
24.7 °C
Average peak gust
29.9 km/h
Tropical nights (≥ 20 °C)
336 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.19 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
34.9 °C
11 March 2015
Coldest day
17.3 °C
14 November 1967
Wettest day
164 mm
4 February 1973
Windiest day
74.2 km/h
26 April 2014
Strongest gust
49.3 km/h
22 September 2009
Hottest feels-like
41.9 °C
15 February 1998
Coldest feels-like
17.5 °C
10 July 1942
Sunniest day
11.9 h
20 November 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.9 °C | +1.6 °C | 135 mm | +10 mm |
| Feb | 29.9 °C | +0.8 °C | 618 mm | +392 mm |
| Mar | 30.4 °C | +1.0 °C | 558 mm | +339 mm |
| Apr | 30.4 °C | +0.8 °C | 195 mm | +55 mm |
| May | 29.9 °C | +0.6 °C | 55 mm | -14 mm |
| Jun | 29.5 °C | +0.8 °C | 14 mm | -21 mm |
| Jul | 29.4 °C | +0.9 °C | 6 mm | -16 mm |
| Aug | 28.5 °C | -0.3 °C | 13 mm | -1 mm |
| Sep | 29.3 °C | +0.2 °C | 12 mm | -6 mm |
| Oct | 29.3 °C | 0.0 °C | 20 mm | +4 mm |
| Nov | 29.1 °C | -0.6 °C | 41 mm | +26 mm |
| Dec | 30.1 °C | +0.2 °C | 7 mm | -40 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Portoviejo?
Portoviejo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.6 °C and it receives 945 mm of precipitation per year.
What is the hottest day ever recorded in Portoviejo?
The hottest day measured in Portoviejo between 1940 and 2025 was 11 March 2015, reaching 34.9 °C.
What is the coldest day in Portoviejo?
The coldest day measured in Portoviejo between 1940 and 2025 was 14 November 1967, at 17.3 °C.
Does it snow in Portoviejo?
Almost never: Portoviejo sees virtually no snow, with about 0 frost days per year.
Has the climate of Portoviejo warmed?
Yes: Portoviejo warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Portoviejo?
The wettest day measured in Portoviejo between 1940 and 2025 was 4 February 1973, with 164 mm of rain in 24 hours.
What was the windiest day in Portoviejo?
The windiest day measured in Portoviejo between 1940 and 2025 was 26 April 2014, with winds reaching 74.2 km/h.
What is the warmest month in Portoviejo?
The warmest month in Portoviejo is April (25.6 °C on average); the coldest is August (23.8 °C).
How much does it rain in Portoviejo?
Portoviejo receives on average 945 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Portoviejo?
Portoviejo gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
Are there tropical nights in Portoviejo?
Yes: Portoviejo has on average 336 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Portoviejo?
In Portoviejo, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 15 February 1998, and the lowest was 17.5 °C on 10 July 1942.
Compare Portoviejo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Portoviejo