Uarini climate — normals and trends
Uarini (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 2,736 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 (26.7 °C on average) and the coldest is June (25.4 °C). Rainfall peaks in April.
Uarini averages 0 frost days, 170 hot days (≥ 30 °C) and 311 rainy days per year.
Uarini has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.1 °C (on 9 October 2023) and the coldest 17.1 °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.
Climate normals · ERA5
UariniAmazonas
- coords
- -2.99°, -65.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
29.8°C
Average daily low
23.5°C
Annual rainfall
2,736mm
Sunshine / day
9.3h
Mean relative humidity
89%
Average peak wind
7.6km/h
Seasonal range
1.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
170 d/yr
Rainy days (≥ 1 mm)
311 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.6 °C
Average feels-like low
28.4 °C
Average peak gust
26.6 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.71 · 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
37.1 °C
9 October 2023
Coldest day
17.1 °C
19 July 1975
Wettest day
173 mm
30 March 2020
Windiest day
18.5 km/h
23 February 1968
Strongest gust
54.0 km/h
10 March 1983
Hottest feels-like
45.2 °C
2 October 2005
Coldest feels-like
16.2 °C
19 July 1975
Sunniest day
12.1 h
22 January 2003
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 | 30.7 °C | +0.9 °C | 276 mm | +18 mm |
| Feb | 30.2 °C | +0.3 °C | 455 mm | +211 mm |
| Mar | 30.5 °C | +0.7 °C | 288 mm | -17 mm |
| Apr | 30.1 °C | +0.7 °C | 317 mm | -24 mm |
| May | 29.9 °C | +0.8 °C | 327 mm | +1 mm |
| Jun | 29.8 °C | +0.8 °C | 224 mm | +17 mm |
| Jul | 29.9 °C | +0.7 °C | 102 mm | -44 mm |
| Aug | 30.5 °C | +0.4 °C | 163 mm | +29 mm |
| Sep | 31.4 °C | +0.8 °C | 118 mm | -30 mm |
| Oct | 31.2 °C | +0.5 °C | 193 mm | +18 mm |
| Nov | 30.6 °C | +0.3 °C | 198 mm | -15 mm |
| Dec | 30.6 °C | +0.7 °C | 185 mm | -57 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 Uarini?
Uarini has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 2,736 mm of precipitation per year.
What is the hottest day ever recorded in Uarini?
The hottest day measured in Uarini between 1940 and 2025 was 9 October 2023, reaching 37.1 °C.
What is the coldest day in Uarini?
The coldest day measured in Uarini between 1940 and 2025 was 19 July 1975, at 17.1 °C.
Does it snow in Uarini?
Almost never: Uarini sees virtually no snow, with about 0 frost days per year.
Has the climate of Uarini warmed?
Yes: Uarini warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Uarini?
The wettest day measured in Uarini between 1940 and 2025 was 30 March 2020, with 173 mm of rain in 24 hours.
What was the windiest day in Uarini?
The windiest day measured in Uarini between 1940 and 2025 was 23 February 1968, with winds reaching 18.5 km/h.
What is the warmest month in Uarini?
The warmest month in Uarini is October (26.7 °C on average); the coldest is June (25.4 °C).
How much does it rain in Uarini?
Uarini receives on average 2,736 mm of precipitation per year, spread over about 311 rainy days.
Is it sunny in Uarini?
Uarini gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
Are there tropical nights in Uarini?
Yes: Uarini has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Uarini?
In Uarini, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 2 October 2005, and the lowest was 16.2 °C on 19 July 1975.
Compare Uarini with another city
Pick a second city: its normals will be set against these, indicator by indicator.