Canas climate — normals and trends
Canas (Costa Rica) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.6 °C and it receives 1,815 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 (24.9 °C on average) and the coldest is January (22.5 °C). Rainfall peaks in October.
Canas averages 0 frost days, 43 hot days (≥ 30 °C) and 212 rainy days per year.
Canas has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.2 °C (on 22 April 1991) and the coldest 14.9 °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
CanasGuanacaste Province
- coords
- 10.43°, -85.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.6°C
Average daily high
27.7°C
Average daily low
20.8°C
Annual rainfall
1,815mm
Sunshine / day
9.6h
Mean relative humidity
85%
Average peak wind
15.4km/h
Seasonal range
2.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
43 d/yr
Rainy days (≥ 1 mm)
212 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.0 °C
Average feels-like low
23.3 °C
Average peak gust
43.1 km/h
Tropical nights (≥ 20 °C)
297 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.61 · 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
36.2 °C
22 April 1991
Coldest day
14.9 °C
28 December 1976
Wettest day
218 mm
26 September 2022
Windiest day
45.4 km/h
5 February 2009
Strongest gust
105.5 km/h
5 February 2009
Hottest feels-like
41.4 °C
3 April 1949
Coldest feels-like
13.1 °C
20 January 1977
Sunniest day
12.5 h
30 May 2010
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 | 26.6 °C | +0.1 °C | 66 mm | +47 mm |
| Feb | 27.8 °C | +0.4 °C | 17 mm | +6 mm |
| Mar | 29.8 °C | +0.8 °C | 7 mm | -4 mm |
| Apr | 29.4 °C | -0.8 °C | 24 mm | -13 mm |
| May | 29.7 °C | +0.5 °C | 123 mm | -86 mm |
| Jun | 27.9 °C | +0.1 °C | 448 mm | +161 mm |
| Jul | 28.4 °C | +1.1 °C | 134 mm | -72 mm |
| Aug | 28.9 °C | +1.3 °C | 152 mm | -71 mm |
| Sep | 28.8 °C | +1.1 °C | 259 mm | -41 mm |
| Oct | 28.2 °C | +1.1 °C | 348 mm | +32 mm |
| Nov | 27.6 °C | +1.0 °C | 126 mm | -25 mm |
| Dec | 27.5 °C | +1.2 °C | 24 mm | -25 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 Canas?
Canas has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.6 °C and it receives 1,815 mm of precipitation per year.
What is the hottest day ever recorded in Canas?
The hottest day measured in Canas between 1940 and 2025 was 22 April 1991, reaching 36.2 °C.
What is the coldest day in Canas?
The coldest day measured in Canas between 1940 and 2025 was 28 December 1976, at 14.9 °C.
Does it snow in Canas?
Almost never: Canas sees virtually no snow, with about 0 frost days per year.
Has the climate of Canas warmed?
Yes: Canas warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Canas?
The wettest day measured in Canas between 1940 and 2025 was 26 September 2022, with 218 mm of rain in 24 hours.
What was the windiest day in Canas?
The windiest day measured in Canas between 1940 and 2025 was 5 February 2009, with winds reaching 45.4 km/h.
What is the warmest month in Canas?
The warmest month in Canas is April (24.9 °C on average); the coldest is January (22.5 °C).
How much does it rain in Canas?
Canas receives on average 1,815 mm of precipitation per year, spread over about 212 rainy days.
Is it sunny in Canas?
Canas gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Canas?
Yes: Canas has on average 297 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Canas?
In Canas, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 3 April 1949, and the lowest was 13.1 °C on 20 January 1977.
Compare Canas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Canas