Guará climate — normals and trends
Guará (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.5 °C and it receives 1,423 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 (24.1 °C on average) and the coldest is June (19.5 °C). Rainfall peaks in December.
Guará averages 0 frost days, 87 hot days (≥ 30 °C) and 158 rainy days per year.
Guará has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 18 October 1963) and the coldest 1.5 °C (on 1 June 1979).
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
GuaráSão Paulo
- coords
- -20.43°, -47.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.5°C
Average daily high
27.8°C
Average daily low
18.0°C
Annual rainfall
1,423mm
Sunshine / day
10.2h
Mean relative humidity
69%
Average peak wind
12.9km/h
Seasonal range
4.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
87 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.9 °C
Average feels-like low
18.6 °C
Average peak gust
30.7 km/h
Tropical nights (≥ 20 °C)
102 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.61 · 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
39.9 °C
18 October 1963
Coldest day
1.5 °C
1 June 1979
Wettest day
153 mm
2 January 1942
Windiest day
30.9 km/h
30 October 1994
Strongest gust
79.2 km/h
30 July 1989
Hottest feels-like
41.2 °C
15 November 2023
Coldest feels-like
-1.8 °C
1 June 1979
Sunniest day
13.2 h
16 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 | 29.9 °C | +1.8 °C | 120 mm | -125 mm |
| Feb | 30.4 °C | +2.0 °C | 130 mm | -67 mm |
| Mar | 30.9 °C | +2.6 °C | 85 mm | -82 mm |
| Apr | 28.1 °C | +0.5 °C | 120 mm | +43 mm |
| May | 27.1 °C | +1.3 °C | 5 mm | -40 mm |
| Jun | 26.4 °C | +1.1 °C | 20 mm | -4 mm |
| Jul | 26.4 °C | +0.6 °C | 5 mm | -14 mm |
| Aug | 29.0 °C | +0.7 °C | 5 mm | -12 mm |
| Sep | 31.8 °C | +1.8 °C | 27 mm | -28 mm |
| Oct | 30.3 °C | +0.6 °C | 73 mm | -61 mm |
| Nov | 30.6 °C | +2.0 °C | 97 mm | -92 mm |
| Dec | 30.1 °C | +2.1 °C | 189 mm | -67 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 Guará?
Guará has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.5 °C and it receives 1,423 mm of precipitation per year.
What is the hottest day ever recorded in Guará?
The hottest day measured in Guará between 1940 and 2025 was 18 October 1963, reaching 39.9 °C.
What is the coldest day in Guará?
The coldest day measured in Guará between 1940 and 2025 was 1 June 1979, at 1.5 °C.
Does it snow in Guará?
Almost never: Guará sees virtually no snow, with about 0 frost days per year.
Has the climate of Guará warmed?
Yes: Guará warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guará?
The wettest day measured in Guará between 1940 and 2025 was 2 January 1942, with 153 mm of rain in 24 hours.
What was the windiest day in Guará?
The windiest day measured in Guará between 1940 and 2025 was 30 October 1994, with winds reaching 30.9 km/h.
What is the warmest month in Guará?
The warmest month in Guará is October (24.1 °C on average); the coldest is June (19.5 °C).
How much does it rain in Guará?
Guará receives on average 1,423 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Guará?
Guará gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Guará?
Yes: Guará has on average 102 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guará?
In Guará, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 15 November 2023, and the lowest was -1.8 °C on 1 June 1979.
Compare Guará with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guará