Diamantino climate — normals and trends
Diamantino (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.0 °C and it receives 1,531 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 (26.7 °C on average) and the coldest is June (23.2 °C). Rainfall peaks in January.
Diamantino averages 0 frost days, 219 hot days (≥ 30 °C) and 186 rainy days per year.
Diamantino has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.4 °C (on 14 October 1963) and the coldest 4.8 °C (on 22 August 1965).
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
DiamantinoMato Grosso
- coords
- -14.41°, -56.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.0°C
Average daily high
30.6°C
Average daily low
20.7°C
Annual rainfall
1,531mm
Sunshine / day
10.1h
Mean relative humidity
74%
Average peak wind
11.0km/h
Seasonal range
3.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
219 d/yr
Rainy days (≥ 1 mm)
186 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.8 °C
Average feels-like low
23.0 °C
Average peak gust
27.6 km/h
Tropical nights (≥ 20 °C)
263 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.38 · 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
41.4 °C
14 October 1963
Coldest day
4.8 °C
22 August 1965
Wettest day
132 mm
6 January 1960
Windiest day
32.8 km/h
28 September 1961
Strongest gust
82.8 km/h
12 January 1965
Hottest feels-like
45.2 °C
16 October 2015
Coldest feels-like
1.3 °C
30 July 1955
Sunniest day
12.8 h
3 December 2023
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 | 30.1 °C | +0.4 °C | 197 mm | -64 mm |
| Feb | 29.9 °C | +0.2 °C | 179 mm | -67 mm |
| Mar | 30.5 °C | +0.6 °C | 142 mm | -79 mm |
| Apr | 29.7 °C | -0.1 °C | 131 mm | +7 mm |
| May | 30.3 °C | +1.0 °C | 32 mm | -12 mm |
| Jun | 30.2 °C | +0.5 °C | 18 mm | +11 mm |
| Jul | 30.6 °C | +0.1 °C | 0 mm | -7 mm |
| Aug | 32.7 °C | +0.1 °C | 0 mm | -12 mm |
| Sep | 35.4 °C | +2.1 °C | 18 mm | -33 mm |
| Oct | 32.9 °C | +0.9 °C | 67 mm | -68 mm |
| Nov | 32.4 °C | +1.8 °C | 78 mm | -112 mm |
| Dec | 29.9 °C | 0.0 °C | 347 mm | +114 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 Diamantino?
Diamantino has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 1,531 mm of precipitation per year.
What is the hottest day ever recorded in Diamantino?
The hottest day measured in Diamantino between 1940 and 2025 was 14 October 1963, reaching 41.4 °C.
What is the coldest day in Diamantino?
The coldest day measured in Diamantino between 1940 and 2025 was 22 August 1965, at 4.8 °C.
Does it snow in Diamantino?
Almost never: Diamantino sees virtually no snow, with about 0 frost days per year.
Has the climate of Diamantino warmed?
Yes: Diamantino warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Diamantino?
The wettest day measured in Diamantino between 1940 and 2025 was 6 January 1960, with 132 mm of rain in 24 hours.
What was the windiest day in Diamantino?
The windiest day measured in Diamantino between 1940 and 2025 was 28 September 1961, with winds reaching 32.8 km/h.
What is the warmest month in Diamantino?
The warmest month in Diamantino is September (26.7 °C on average); the coldest is June (23.2 °C).
How much does it rain in Diamantino?
Diamantino receives on average 1,531 mm of precipitation per year, spread over about 186 rainy days.
Is it sunny in Diamantino?
Diamantino gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Diamantino?
Yes: Diamantino has on average 263 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Diamantino?
In Diamantino, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 16 October 2015, and the lowest was 1.3 °C on 30 July 1955.
Compare Diamantino with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Diamantino