Guarantã do Norte climate — normals and trends
Guarantã do Norte (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.6 °C and it receives 1,657 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 (27.6 °C on average) and the coldest is January (24.7 °C). Rainfall peaks in January.
Guarantã do Norte averages 0 frost days, 232 hot days (≥ 30 °C) and 202 rainy days per year.
Guarantã do Norte has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.7 °C (on 20 October 1963) and the coldest 12.5 °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
Guarantã do NorteMato Grosso
- coords
- -9.95°, -54.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.6°C
Average daily high
31.0°C
Average daily low
21.5°C
Annual rainfall
1,657mm
Sunshine / day
9.8h
Mean relative humidity
76%
Average peak wind
9.5km/h
Seasonal range
2.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
232 d/yr
Rainy days (≥ 1 mm)
202 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.6 °C
Average feels-like low
24.5 °C
Average peak gust
26.3 km/h
Tropical nights (≥ 20 °C)
325 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.20 · 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
41.7 °C
20 October 1963
Coldest day
12.5 °C
18 July 1975
Wettest day
246 mm
6 February 1965
Windiest day
36.0 km/h
26 January 1965
Strongest gust
70.2 km/h
6 February 1965
Hottest feels-like
43.1 °C
18 October 2016
Coldest feels-like
9.1 °C
18 July 1975
Sunniest day
12.6 h
4 December 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 | 29.5 °C | +0.4 °C | 229 mm | -49 mm |
| Feb | 30.1 °C | +0.9 °C | 233 mm | -23 mm |
| Mar | 30.8 °C | +1.5 °C | 207 mm | -32 mm |
| Apr | 31.4 °C | +1.8 °C | 121 mm | -26 mm |
| May | 32.8 °C | +2.4 °C | 13 mm | -33 mm |
| Jun | 33.8 °C | +2.0 °C | 0 mm | -6 mm |
| Jul | 34.8 °C | +1.9 °C | 0 mm | -4 mm |
| Aug | 35.7 °C | +1.2 °C | 0 mm | -9 mm |
| Sep | 35.0 °C | +1.0 °C | 46 mm | -14 mm |
| Oct | 33.1 °C | +1.2 °C | 110 mm | -42 mm |
| Nov | 31.5 °C | +1.2 °C | 176 mm | -37 mm |
| Dec | 29.8 °C | +0.3 °C | 229 mm | -20 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 Guarantã do Norte?
Guarantã do Norte has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 1,657 mm of precipitation per year.
What is the hottest day ever recorded in Guarantã do Norte?
The hottest day measured in Guarantã do Norte between 1940 and 2025 was 20 October 1963, reaching 41.7 °C.
What is the coldest day in Guarantã do Norte?
The coldest day measured in Guarantã do Norte between 1940 and 2025 was 18 July 1975, at 12.5 °C.
Does it snow in Guarantã do Norte?
Almost never: Guarantã do Norte sees virtually no snow, with about 0 frost days per year.
Has the climate of Guarantã do Norte warmed?
Yes: Guarantã do Norte warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guarantã do Norte?
The wettest day measured in Guarantã do Norte between 1940 and 2025 was 6 February 1965, with 246 mm of rain in 24 hours.
What was the windiest day in Guarantã do Norte?
The windiest day measured in Guarantã do Norte between 1940 and 2025 was 26 January 1965, with winds reaching 36.0 km/h.
What is the warmest month in Guarantã do Norte?
The warmest month in Guarantã do Norte is September (27.6 °C on average); the coldest is January (24.7 °C).
How much does it rain in Guarantã do Norte?
Guarantã do Norte receives on average 1,657 mm of precipitation per year, spread over about 202 rainy days.
Is it sunny in Guarantã do Norte?
Guarantã do Norte gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Guarantã do Norte?
Yes: Guarantã do Norte has on average 325 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guarantã do Norte?
In Guarantã do Norte, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 18 October 2016, and the lowest was 9.1 °C on 18 July 1975.
Compare Guarantã do Norte with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guarantã do Norte