Iati climate — normals and trends
Iati (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 23.6 °C and it receives 414 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 December (25.3 °C on average) and the coldest is July (21.1 °C). Rainfall peaks in March.
Iati averages 0 frost days, 142 hot days (≥ 30 °C) and 106 rainy days per year.
Iati 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 36.4 °C (on 26 December 1959) and the coldest 13.5 °C (on 24 July 1981).
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
IatiPernambuco
- coords
- -9.05°, -36.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.6°C
Average daily high
28.9°C
Average daily low
19.8°C
Annual rainfall
414mm
Sunshine / day
10.6h
Mean relative humidity
73%
Average peak wind
17.8km/h
Seasonal range
4.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
142 d/yr
Rainy days (≥ 1 mm)
106 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.3 °C
Average feels-like low
21.3 °C
Average peak gust
38.0 km/h
Tropical nights (≥ 20 °C)
179 d/yr
Solar radiation
19.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.38 · 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
36.4 °C
26 December 1959
Coldest day
13.5 °C
24 July 1981
Wettest day
116 mm
14 March 1969
Windiest day
29.7 km/h
17 June 1967
Strongest gust
60.8 km/h
11 August 1954
Hottest feels-like
39.8 °C
22 November 2024
Coldest feels-like
13.5 °C
10 September 2011
Sunniest day
12.5 h
30 December 2025
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 | 31.1 °C | +0.1 °C | 101 mm | +63 mm |
| Feb | 29.7 °C | -0.9 °C | 44 mm | -1 mm |
| Mar | 31.0 °C | +0.7 °C | 19 mm | -54 mm |
| Apr | 32.0 °C | +2.9 °C | 17 mm | -49 mm |
| May | 28.2 °C | +0.7 °C | 48 mm | +4 mm |
| Jun | 25.9 °C | 0.0 °C | 67 mm | +29 mm |
| Jul | 25.1 °C | 0.0 °C | 28 mm | -5 mm |
| Aug | 25.5 °C | -0.4 °C | 42 mm | +21 mm |
| Sep | 26.2 °C | -1.6 °C | 39 mm | +25 mm |
| Oct | 29.0 °C | -1.2 °C | 13 mm | +3 mm |
| Nov | 32.4 °C | +1.0 °C | 1 mm | -13 mm |
| Dec | 32.5 °C | +1.0 °C | 2 mm | -16 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 Iati?
Iati has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 23.6 °C and it receives 414 mm of precipitation per year.
What is the hottest day ever recorded in Iati?
The hottest day measured in Iati between 1940 and 2025 was 26 December 1959, reaching 36.4 °C.
What is the coldest day in Iati?
The coldest day measured in Iati between 1940 and 2025 was 24 July 1981, at 13.5 °C.
Does it snow in Iati?
Almost never: Iati sees virtually no snow, with about 0 frost days per year.
Has the climate of Iati warmed?
Yes: Iati warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Iati?
The wettest day measured in Iati between 1940 and 2025 was 14 March 1969, with 116 mm of rain in 24 hours.
What was the windiest day in Iati?
The windiest day measured in Iati between 1940 and 2025 was 17 June 1967, with winds reaching 29.7 km/h.
What is the warmest month in Iati?
The warmest month in Iati is December (25.3 °C on average); the coldest is July (21.1 °C).
How much does it rain in Iati?
Iati receives on average 414 mm of precipitation per year, spread over about 106 rainy days.
Is it sunny in Iati?
Iati gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Iati?
Yes: Iati has on average 179 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Iati?
In Iati, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 22 November 2024, and the lowest was 13.5 °C on 10 September 2011.
Compare Iati with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Iati