Coari climate — normals and trends
Coari has a tropical rainforest climate, averaging 26.6 °C annually with 2,541 mm of rain per year.
Climate normals · ERA5
CoariAmazonas
- coords
- -4.08°, -63.14°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
26.6°C
Average daily high
29.6°C
Average daily low
24.5°C
Annual rainfall
2,541mm
Sunshine / day
9.2h
Mean relative humidity
87%
Average peak wind
8.4km/h
Seasonal range
1.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
147 d/yr
Rainy days (≥ 1 mm)
309 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.3 °C
Average feels-like low
29.4 °C
Average peak gust
24.4 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.65 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
36.6 °C
9 October 2023
Coldest day
17.6 °C
19 July 1975
Wettest day
321 mm
23 February 2025
Windiest day
22.0 km/h
16 November 1963
Strongest gust
47.5 km/h
4 March 1991
Hottest feels-like
44.7 °C
7 November 2001
Coldest feels-like
16.5 °C
18 July 1975
Sunniest day
12.1 h
6 February 1980
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 29.9 °C | +0.8 °C | 276 mm | +5 mm |
| Feb | 29.5 °C | +0.3 °C | 666 mm | +398 mm |
| Mar | 29.8 °C | +0.5 °C | 351 mm | +33 mm |
| Apr | 29.7 °C | +0.8 °C | 314 mm | -15 mm |
| May | 29.8 °C | +1.0 °C | 189 mm | -88 mm |
| Jun | 29.9 °C | +1.0 °C | 201 mm | +42 mm |
| Jul | 30.7 °C | +1.3 °C | 32 mm | -68 mm |
| Aug | 30.9 °C | +0.6 °C | 103 mm | +6 mm |
| Sep | 30.9 °C | +0.3 °C | 118 mm | -2 mm |
| Oct | 30.8 °C | +0.2 °C | 142 mm | -11 mm |
| Nov | 30.6 °C | +0.5 °C | 275 mm | +70 mm |
| Dec | 30.3 °C | +0.9 °C | 273 mm | +27 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Coari (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 2,541 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 October (27.4 °C on average) and the coldest is May (26.1 °C). Rainfall peaks in April.
Coari averages 0 frost days, 147 hot days (≥ 30 °C) and 309 rainy days per year.
Coari has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.6 °C (on 9 October 2023) and the coldest 17.6 °C (on 19 July 1975).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Compare Coari with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Frequently asked questions
What is the climate of Coari?
Coari has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 2,541 mm of precipitation per year.
What is the hottest day ever recorded in Coari?
The hottest day measured in Coari between 1940 and 2025 was 9 October 2023, reaching 36.6 °C.
What is the coldest day in Coari?
The coldest day measured in Coari between 1940 and 2025 was 19 July 1975, at 17.6 °C.
Does it snow in Coari?
Almost never: Coari sees virtually no snow, with about 0 frost days per year.
Has the climate of Coari warmed?
Yes: Coari warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Coari?
The wettest day measured in Coari between 1940 and 2025 was 23 February 2025, with 321 mm of rain in 24 hours.
What was the windiest day in Coari?
The windiest day measured in Coari between 1940 and 2025 was 16 November 1963, with winds reaching 22.0 km/h.
What is the warmest month in Coari?
The warmest month in Coari is October (27.4 °C on average); the coldest is May (26.1 °C).
How much does it rain in Coari?
Coari receives on average 2,541 mm of precipitation per year, spread over about 309 rainy days.
Is it sunny in Coari?
Coari gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
Are there tropical nights in Coari?
Yes: Coari has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Coari?
In Coari, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 7 November 2001, and the lowest was 16.5 °C on 18 July 1975.
These forecasts and records come from our own weather API. Developer documentation →