Iguape climate — normals and trends
Iguape has a tropical rainforest climate, averaging 22.2 °C annually with 1,562 mm of rain per year.
Climate normals · ERA5
IguapeSão Paulo
- coords
- -24.71°, -47.56°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
22.2°C
Average daily high
24.0°C
Average daily low
20.7°C
Annual rainfall
1,562mm
Sunshine / day
8.9h
Mean relative humidity
84%
Average peak wind
19.0km/h
Seasonal range
6.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
14 d/yr
Rainy days (≥ 1 mm)
187 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.0 °C
Average feels-like low
22.1 °C
Average peak gust
31.4 km/h
Tropical nights (≥ 20 °C)
208 d/yr
Solar radiation
16.0 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.44 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
35.6 °C
27 November 1942
Coldest day
9.4 °C
29 July 1990
Wettest day
255 mm
25 February 2009
Windiest day
59.4 km/h
17 December 1947
Strongest gust
93.6 km/h
17 December 1947
Hottest feels-like
43.9 °C
28 January 1998
Coldest feels-like
4.0 °C
9 July 1994
Sunniest day
13.5 h
10 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 27.8 °C | +0.5 °C | 215 mm | +7 mm |
| Feb | 29.6 °C | +2.1 °C | 193 mm | -5 mm |
| Mar | 27.2 °C | +0.5 °C | 101 mm | -85 mm |
| Apr | 25.0 °C | -0.1 °C | 165 mm | +36 mm |
| May | 24.1 °C | +1.1 °C | 71 mm | -42 mm |
| Jun | 21.6 °C | -0.1 °C | 181 mm | +92 mm |
| Jul | 19.8 °C | -1.1 °C | 68 mm | -14 mm |
| Aug | 20.2 °C | -0.9 °C | 83 mm | +13 mm |
| Sep | 22.1 °C | +0.4 °C | 43 mm | -60 mm |
| Oct | 22.4 °C | -0.5 °C | 123 mm | +1 mm |
| Nov | 24.1 °C | -0.2 °C | 160 mm | +48 mm |
| Dec | 27.9 °C | +1.9 °C | 111 mm | -39 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Iguape (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 22.2 °C and it receives 1,562 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 February (25.7 °C on average) and the coldest is July (18.8 °C). Rainfall peaks in January.
Iguape averages 0 frost days, 14 hot days (≥ 30 °C) and 187 rainy days per year.
Iguape 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 35.6 °C (on 27 November 1942) and the coldest 9.4 °C (on 29 July 1990).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Compare Iguape with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Iguape
Other cities — Brazil
Frequently asked questions
What is the climate of Iguape?
Iguape has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 22.2 °C and it receives 1,562 mm of precipitation per year.
What is the hottest day ever recorded in Iguape?
The hottest day measured in Iguape between 1940 and 2025 was 27 November 1942, reaching 35.6 °C.
What is the coldest day in Iguape?
The coldest day measured in Iguape between 1940 and 2025 was 29 July 1990, at 9.4 °C.
Does it snow in Iguape?
Almost never: Iguape sees virtually no snow, with about 0 frost days per year.
Has the climate of Iguape warmed?
Yes: Iguape warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Iguape?
The wettest day measured in Iguape between 1940 and 2025 was 25 February 2009, with 255 mm of rain in 24 hours.
What was the windiest day in Iguape?
The windiest day measured in Iguape between 1940 and 2025 was 17 December 1947, with winds reaching 59.4 km/h.
What is the warmest month in Iguape?
The warmest month in Iguape is February (25.7 °C on average); the coldest is July (18.8 °C).
How much does it rain in Iguape?
Iguape receives on average 1,562 mm of precipitation per year, spread over about 187 rainy days.
Is it sunny in Iguape?
Iguape gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
Are there tropical nights in Iguape?
Yes: Iguape has on average 208 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Iguape?
In Iguape, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 28 January 1998, and the lowest was 4.0 °C on 9 July 1994.
These forecasts and records come from our own weather API. Developer documentation →