Turrialba climate — normals and trends
Turrialba (Costa Rica) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 3,550 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 June (19.2 °C on average) and the coldest is January (16.5 °C). Rainfall peaks in October.
Turrialba averages 0 frost days, 0 hot days (≥ 30 °C) and 316 rainy days per year.
Turrialba 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 28.7 °C (on 28 April 2015) and the coldest 8.2 °C (on 28 December 1976).
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
TurrialbaCartago Province
- coords
- 9.90°, -83.68°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.1°C
Average daily high
22.0°C
Average daily low
15.3°C
Annual rainfall
3,550mm
Sunshine / day
9.1h
Mean relative humidity
89%
Average peak wind
9.5km/h
Seasonal range
2.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
316 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.6 °C
Average feels-like low
16.1 °C
Average peak gust
37.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.49 · 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
28.7 °C
28 April 2015
Coldest day
8.2 °C
28 December 1976
Wettest day
288 mm
3 December 1974
Windiest day
15.6 km/h
27 February 1961
Strongest gust
67.7 km/h
3 December 1974
Hottest feels-like
36.0 °C
26 April 2010
Coldest feels-like
5.5 °C
27 February 1944
Sunniest day
12.6 h
26 June 1945
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 | 21.1 °C | +0.8 °C | 175 mm | -37 mm |
| Feb | 21.2 °C | +0.6 °C | 96 mm | -76 mm |
| Mar | 22.0 °C | +0.5 °C | 95 mm | -46 mm |
| Apr | 21.7 °C | -0.7 °C | 300 mm | +136 mm |
| May | 23.6 °C | +0.6 °C | 169 mm | -190 mm |
| Jun | 22.9 °C | -0.1 °C | 370 mm | +17 mm |
| Jul | 23.3 °C | +0.8 °C | 206 mm | -82 mm |
| Aug | 23.7 °C | +1.0 °C | 171 mm | -105 mm |
| Sep | 23.7 °C | +0.7 °C | 311 mm | -51 mm |
| Oct | 23.5 °C | +0.9 °C | 465 mm | -13 mm |
| Nov | 22.5 °C | +0.9 °C | 297 mm | -128 mm |
| Dec | 21.8 °C | +1.0 °C | 165 mm | -155 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 Turrialba?
Turrialba has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 3,550 mm of precipitation per year.
What is the hottest day ever recorded in Turrialba?
The hottest day measured in Turrialba between 1940 and 2025 was 28 April 2015, reaching 28.7 °C.
What is the coldest day in Turrialba?
The coldest day measured in Turrialba between 1940 and 2025 was 28 December 1976, at 8.2 °C.
Does it snow in Turrialba?
Almost never: Turrialba sees virtually no snow, with about 0 frost days per year.
Has the climate of Turrialba warmed?
Yes: Turrialba warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Turrialba?
The wettest day measured in Turrialba between 1940 and 2025 was 3 December 1974, with 288 mm of rain in 24 hours.
What was the windiest day in Turrialba?
The windiest day measured in Turrialba between 1940 and 2025 was 27 February 1961, with winds reaching 15.6 km/h.
What is the warmest month in Turrialba?
The warmest month in Turrialba is June (19.2 °C on average); the coldest is January (16.5 °C).
How much does it rain in Turrialba?
Turrialba receives on average 3,550 mm of precipitation per year, spread over about 316 rainy days.
Is it sunny in Turrialba?
Turrialba gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
Are there tropical nights in Turrialba?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Turrialba.
What was the most extreme apparent temperature in Turrialba?
In Turrialba, between 1940 and 2025, the highest apparent temperature reached 36.0 °C on 26 April 2010, and the lowest was 5.5 °C on 27 February 1944.
Compare Turrialba with another city
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Nearby cities
The climate around Turrialba