Novo Airão climate — normals and trends
Novo Airão (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 2,543 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 January (26.0 °C). Rainfall peaks in April.
Novo Airão averages 0 frost days, 147 hot days (≥ 30 °C) and 304 rainy days per year.
Novo Airão has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.8 °C (on 5 October 2015) and the coldest 19.6 °C (on 18 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.
Climate normals · ERA5
Novo AirãoAmazonas
- coords
- -2.62°, -60.94°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
29.6°C
Average daily low
24.2°C
Annual rainfall
2,543mm
Sunshine / day
9.3h
Mean relative humidity
86%
Average peak wind
9.1km/h
Seasonal range
1.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
147 d/yr
Rainy days (≥ 1 mm)
304 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.8 °C
Average feels-like low
29.1 °C
Average peak gust
26.2 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °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).
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
36.8 °C
5 October 2015
Coldest day
19.6 °C
18 July 1975
Wettest day
179 mm
9 February 2025
Windiest day
19.7 km/h
16 January 1965
Strongest gust
49.7 km/h
5 July 1979
Hottest feels-like
44.5 °C
14 October 1997
Coldest feels-like
19.2 °C
19 July 1975
Sunniest day
12.0 h
7 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 | 29.9 °C | +1.0 °C | 195 mm | -63 mm |
| Feb | 29.1 °C | +0.2 °C | 733 mm | +463 mm |
| Mar | 29.5 °C | +0.5 °C | 280 mm | -38 mm |
| Apr | 29.6 °C | +0.8 °C | 382 mm | +53 mm |
| May | 30.2 °C | +1.4 °C | 227 mm | -69 mm |
| Jun | 30.1 °C | +1.0 °C | 191 mm | +7 mm |
| Jul | 30.9 °C | +1.4 °C | 76 mm | -48 mm |
| Aug | 31.3 °C | +0.9 °C | 109 mm | +5 mm |
| Sep | 31.3 °C | +0.5 °C | 49 mm | -63 mm |
| Oct | 30.9 °C | 0.0 °C | 210 mm | +75 mm |
| Nov | 31.0 °C | +0.7 °C | 267 mm | +93 mm |
| Dec | 30.5 °C | +1.2 °C | 211 mm | -28 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 Novo Airão?
Novo Airão has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 2,543 mm of precipitation per year.
What is the hottest day ever recorded in Novo Airão?
The hottest day measured in Novo Airão between 1940 and 2025 was 5 October 2015, reaching 36.8 °C.
What is the coldest day in Novo Airão?
The coldest day measured in Novo Airão between 1940 and 2025 was 18 July 1975, at 19.6 °C.
Does it snow in Novo Airão?
Almost never: Novo Airão sees virtually no snow, with about 0 frost days per year.
Has the climate of Novo Airão warmed?
Yes: Novo Airão warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Novo Airão?
The wettest day measured in Novo Airão between 1940 and 2025 was 9 February 2025, with 179 mm of rain in 24 hours.
What was the windiest day in Novo Airão?
The windiest day measured in Novo Airão between 1940 and 2025 was 16 January 1965, with winds reaching 19.7 km/h.
What is the warmest month in Novo Airão?
The warmest month in Novo Airão is October (27.4 °C on average); the coldest is January (26.0 °C).
How much does it rain in Novo Airão?
Novo Airão receives on average 2,543 mm of precipitation per year, spread over about 304 rainy days.
Is it sunny in Novo Airão?
Novo Airão gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
Are there tropical nights in Novo Airão?
Yes: Novo Airão has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Novo Airão?
In Novo Airão, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 14 October 1997, and the lowest was 19.2 °C on 19 July 1975.
Compare Novo Airão with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Novo Airão