Chaguanas climate — normals and trends
Chaguanas (Trinidad and Tobago) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 1,048 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 September (26.8 °C on average) and the coldest is January (25.3 °C). Rainfall peaks in August.
Chaguanas averages 0 frost days, 36 hot days (≥ 30 °C) and 216 rainy days per year.
Chaguanas 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 32.5 °C (on 23 April 2010) and the coldest 21.5 °C (on 7 January 1950).
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
ChaguanasChaguanas
- coords
- 10.52°, -61.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
28.5°C
Average daily low
24.5°C
Annual rainfall
1,048mm
Sunshine / day
11.1h
Mean relative humidity
82%
Average peak wind
17.9km/h
Seasonal range
1.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
36 d/yr
Rainy days (≥ 1 mm)
216 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.3 °C
Average feels-like low
27.6 °C
Average peak gust
29.6 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.67 · 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
32.5 °C
23 April 2010
Coldest day
21.5 °C
7 January 1950
Wettest day
54 mm
15 June 2015
Windiest day
35.5 km/h
20 June 2017
Strongest gust
56.2 km/h
8 September 2004
Hottest feels-like
39.9 °C
8 September 2024
Coldest feels-like
22.2 °C
6 January 1950
Sunniest day
12.2 h
3 July 1946
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 | 28.5 °C | +0.8 °C | 63 mm | +25 mm |
| Feb | 28.7 °C | +0.7 °C | 14 mm | -11 mm |
| Mar | 29.5 °C | +0.9 °C | 18 mm | -7 mm |
| Apr | 29.5 °C | +0.4 °C | 39 mm | -2 mm |
| May | 29.2 °C | 0.0 °C | 92 mm | +20 mm |
| Jun | 28.4 °C | 0.0 °C | 157 mm | +26 mm |
| Jul | 28.8 °C | +0.6 °C | 128 mm | -14 mm |
| Aug | 29.3 °C | +0.7 °C | 136 mm | -8 mm |
| Sep | 29.5 °C | +0.5 °C | 98 mm | -11 mm |
| Oct | 29.8 °C | +0.9 °C | 108 mm | -9 mm |
| Nov | 28.8 °C | +0.5 °C | 110 mm | -15 mm |
| Dec | 28.1 °C | +0.3 °C | 122 mm | +43 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 Chaguanas?
Chaguanas has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 1,048 mm of precipitation per year.
What is the hottest day ever recorded in Chaguanas?
The hottest day measured in Chaguanas between 1940 and 2025 was 23 April 2010, reaching 32.5 °C.
What is the coldest day in Chaguanas?
The coldest day measured in Chaguanas between 1940 and 2025 was 7 January 1950, at 21.5 °C.
Does it snow in Chaguanas?
Almost never: Chaguanas sees virtually no snow, with about 0 frost days per year.
Has the climate of Chaguanas warmed?
Yes: Chaguanas warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chaguanas?
The wettest day measured in Chaguanas between 1940 and 2025 was 15 June 2015, with 54 mm of rain in 24 hours.
What was the windiest day in Chaguanas?
The windiest day measured in Chaguanas between 1940 and 2025 was 20 June 2017, with winds reaching 35.5 km/h.
What is the warmest month in Chaguanas?
The warmest month in Chaguanas is September (26.8 °C on average); the coldest is January (25.3 °C).
How much does it rain in Chaguanas?
Chaguanas receives on average 1,048 mm of precipitation per year, spread over about 216 rainy days.
Is it sunny in Chaguanas?
Chaguanas gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Chaguanas?
Yes: Chaguanas has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chaguanas?
In Chaguanas, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 8 September 2024, and the lowest was 22.2 °C on 6 January 1950.
Compare Chaguanas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chaguanas