Santa Rosa climate — normals and trends
Santa Rosa (Ecuador) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 23.6 °C and it receives 1,875 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 March (25.0 °C on average) and the coldest is August (22.1 °C). Rainfall peaks in March.
Santa Rosa averages 0 frost days, 26 hot days (≥ 30 °C) and 224 rainy days per year.
Santa Rosa has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.3 °C (on 4 March 1983) and the coldest 15.3 °C (on 15 July 1942).
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
Santa RosaEl Oro
- coords
- -3.46°, -79.96°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.6°C
Average daily high
27.6°C
Average daily low
20.7°C
Annual rainfall
1,875mm
Sunshine / day
10.3h
Mean relative humidity
83%
Average peak wind
11.3km/h
Seasonal range
2.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
26 d/yr
Rainy days (≥ 1 mm)
224 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.7 °C
Average feels-like low
24.0 °C
Average peak gust
30.8 km/h
Tropical nights (≥ 20 °C)
236 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
33.3 °C
4 March 1983
Coldest day
15.3 °C
15 July 1942
Wettest day
266 mm
3 June 1983
Windiest day
20.8 km/h
26 April 2014
Strongest gust
48.2 km/h
22 September 1945
Hottest feels-like
40.7 °C
23 March 1992
Coldest feels-like
16.3 °C
10 July 1942
Sunniest day
12.2 h
29 January 1950
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 | 29.5 °C | +1.2 °C | 167 mm | -81 mm |
| Feb | 29.7 °C | +1.2 °C | 467 mm | +133 mm |
| Mar | 30.3 °C | +1.6 °C | 307 mm | -95 mm |
| Apr | 29.9 °C | +1.3 °C | 702 mm | +403 mm |
| May | 28.6 °C | +0.5 °C | 127 mm | -59 mm |
| Jun | 27.2 °C | +0.2 °C | 67 mm | -25 mm |
| Jul | 26.8 °C | +0.6 °C | 57 mm | +2 mm |
| Aug | 26.5 °C | +0.3 °C | 20 mm | -8 mm |
| Sep | 27.1 °C | +0.3 °C | 31 mm | +3 mm |
| Oct | 27.4 °C | +0.3 °C | 66 mm | +22 mm |
| Nov | 28.3 °C | +0.8 °C | 80 mm | +30 mm |
| Dec | 29.1 °C | +0.9 °C | 20 mm | -89 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 Santa Rosa?
Santa Rosa has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 23.6 °C and it receives 1,875 mm of precipitation per year.
What is the hottest day ever recorded in Santa Rosa?
The hottest day measured in Santa Rosa between 1940 and 2025 was 4 March 1983, reaching 33.3 °C.
What is the coldest day in Santa Rosa?
The coldest day measured in Santa Rosa between 1940 and 2025 was 15 July 1942, at 15.3 °C.
Does it snow in Santa Rosa?
Almost never: Santa Rosa sees virtually no snow, with about 0 frost days per year.
Has the climate of Santa Rosa warmed?
Yes: Santa Rosa warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Santa Rosa?
The wettest day measured in Santa Rosa between 1940 and 2025 was 3 June 1983, with 266 mm of rain in 24 hours.
What was the windiest day in Santa Rosa?
The windiest day measured in Santa Rosa between 1940 and 2025 was 26 April 2014, with winds reaching 20.8 km/h.
What is the warmest month in Santa Rosa?
The warmest month in Santa Rosa is March (25.0 °C on average); the coldest is August (22.1 °C).
How much does it rain in Santa Rosa?
Santa Rosa receives on average 1,875 mm of precipitation per year, spread over about 224 rainy days.
Is it sunny in Santa Rosa?
Santa Rosa gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Santa Rosa?
Yes: Santa Rosa has on average 236 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Santa Rosa?
In Santa Rosa, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 23 March 1992, and the lowest was 16.3 °C on 10 July 1942.
Compare Santa Rosa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Santa Rosa