Manaus climate — normals and trends
Manaus (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 2,625 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 (27.3 °C on average) and the coldest is January (25.8 °C). Rainfall peaks in March.
Manaus averages 0 frost days, 190 hot days (≥ 30 °C) and 300 rainy days per year.
Manaus has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.4 °C (on 16 October 1963) and the coldest 18.9 °C (on 21 July 1981).
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
ManausAmazonas
- coords
- -3.10°, -60.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
30.2°C
Average daily low
23.6°C
Annual rainfall
2,625mm
Sunshine / day
9.6h
Mean relative humidity
85%
Average peak wind
9.2km/h
Seasonal range
1.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
190 d/yr
Rainy days (≥ 1 mm)
300 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.2 °C
Average feels-like low
28.2 °C
Average peak gust
28.7 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.64 · 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
39.4 °C
16 October 1963
Coldest day
18.9 °C
21 July 1981
Wettest day
159 mm
17 January 2023
Windiest day
21.9 km/h
26 January 2016
Strongest gust
51.8 km/h
5 July 1979
Hottest feels-like
44.9 °C
30 September 1973
Coldest feels-like
18.5 °C
19 July 1975
Sunniest day
12.0 h
5 September 1940
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 | 30.0 °C | +0.7 °C | 186 mm | -98 mm |
| Feb | 29.5 °C | +0.1 °C | 459 mm | +174 mm |
| Mar | 29.7 °C | +0.2 °C | 315 mm | -29 mm |
| Apr | 30.3 °C | +1.0 °C | 279 mm | -58 mm |
| May | 30.6 °C | +1.3 °C | 178 mm | -101 mm |
| Jun | 30.5 °C | +0.9 °C | 144 mm | -10 mm |
| Jul | 31.3 °C | +1.1 °C | 57 mm | -47 mm |
| Aug | 32.5 °C | +1.3 °C | 79 mm | -22 mm |
| Sep | 32.7 °C | +1.0 °C | 71 mm | -52 mm |
| Oct | 31.5 °C | -0.1 °C | 169 mm | +19 mm |
| Nov | 31.9 °C | +1.0 °C | 287 mm | +90 mm |
| Dec | 31.1 °C | +1.2 °C | 357 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 Manaus?
Manaus has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 2,625 mm of precipitation per year.
What is the hottest day ever recorded in Manaus?
The hottest day measured in Manaus between 1940 and 2025 was 16 October 1963, reaching 39.4 °C.
What is the coldest day in Manaus?
The coldest day measured in Manaus between 1940 and 2025 was 21 July 1981, at 18.9 °C.
Does it snow in Manaus?
Almost never: Manaus sees virtually no snow, with about 0 frost days per year.
Has the climate of Manaus warmed?
Yes: Manaus warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Manaus?
The wettest day measured in Manaus between 1940 and 2025 was 17 January 2023, with 159 mm of rain in 24 hours.
What was the windiest day in Manaus?
The windiest day measured in Manaus between 1940 and 2025 was 26 January 2016, with winds reaching 21.9 km/h.
What is the warmest month in Manaus?
The warmest month in Manaus is October (27.3 °C on average); the coldest is January (25.8 °C).
How much does it rain in Manaus?
Manaus receives on average 2,625 mm of precipitation per year, spread over about 300 rainy days.
Is it sunny in Manaus?
Manaus gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Manaus?
Yes: Manaus has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Manaus?
In Manaus, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 30 September 1973, and the lowest was 18.5 °C on 19 July 1975.
Compare Manaus with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Manaus