Posorja climate — normals and trends
Posorja (Ecuador) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.8 °C and it receives 1,060 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 February (24.9 °C on average) and the coldest is September (21.0 °C). Rainfall peaks in March.
Posorja averages 0 frost days, 0 hot days (≥ 30 °C) and 133 rainy days per year.
Posorja has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 28.8 °C (on 4 April 1998) and the coldest 17.4 °C (on 21 October 2007).
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
PosorjaGuayas
- coords
- -2.71°, -80.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.8°C
Average daily high
23.4°C
Average daily low
22.5°C
Annual rainfall
1,060mm
Sunshine / day
10.2h
Mean relative humidity
86%
Average peak wind
19.7km/h
Seasonal range
3.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.7 °C
Average feels-like low
24.0 °C
Average peak gust
27.9 km/h
Tropical nights (≥ 20 °C)
343 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.11 · p = 0.002
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
28.8 °C
4 April 1998
Coldest day
17.4 °C
21 October 2007
Wettest day
232 mm
8 February 1998
Windiest day
162.4 km/h
20 March 2003
Strongest gust
113.4 km/h
24 February 2012
Hottest feels-like
37.0 °C
5 April 1998
Coldest feels-like
7.4 °C
20 March 2003
Sunniest day
12.1 h
20 January 2005
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 25.2 °C | +0.7 °C | 69 mm | -61 mm |
| Feb | 26.3 °C | +0.9 °C | 519 mm | +299 mm |
| Mar | 27.2 °C | +1.7 °C | 211 mm | -17 mm |
| Apr | 26.5 °C | +1.5 °C | 256 mm | +112 mm |
| May | 25.1 °C | +0.8 °C | 72 mm | -36 mm |
| Jun | 23.3 °C | +0.2 °C | 21 mm | -42 mm |
| Jul | 22.5 °C | +0.3 °C | 23 mm | -13 mm |
| Aug | 22.0 °C | +0.3 °C | 25 mm | +10 mm |
| Sep | 22.4 °C | +0.9 °C | 17 mm | -4 mm |
| Oct | 22.3 °C | +0.5 °C | 37 mm | +13 mm |
| Nov | 23.0 °C | +0.9 °C | 42 mm | +22 mm |
| Dec | 23.4 °C | +0.2 °C | 2 mm | -50 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 Posorja?
Posorja has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.8 °C and it receives 1,060 mm of precipitation per year.
What is the hottest day ever recorded in Posorja?
The hottest day measured in Posorja between 1940 and 2025 was 4 April 1998, reaching 28.8 °C.
What is the coldest day in Posorja?
The coldest day measured in Posorja between 1940 and 2025 was 21 October 2007, at 17.4 °C.
Does it snow in Posorja?
Almost never: Posorja sees virtually no snow, with about 0 frost days per year.
Has the climate of Posorja warmed?
Yes: Posorja warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Posorja?
The wettest day measured in Posorja between 1940 and 2025 was 8 February 1998, with 232 mm of rain in 24 hours.
What was the windiest day in Posorja?
The windiest day measured in Posorja between 1940 and 2025 was 20 March 2003, with winds reaching 162.4 km/h.
What is the warmest month in Posorja?
The warmest month in Posorja is February (24.9 °C on average); the coldest is September (21.0 °C).
How much does it rain in Posorja?
Posorja receives on average 1,060 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Posorja?
Posorja gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Posorja?
Yes: Posorja has on average 343 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Posorja?
In Posorja, between 1940 and 2025, the highest apparent temperature reached 37.0 °C on 5 April 1998, and the lowest was 7.4 °C on 20 March 2003.
Compare Posorja with another city
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Nearby cities
The climate around Posorja