Miahuatlán de Porfirio Díaz climate — normals and trends
Miahuatlán de Porfirio Díaz (Mexico) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 16.6 °C and it receives 2,895 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 May (18.2 °C on average) and the coldest is January (14.7 °C). Rainfall peaks in June.
Miahuatlán de Porfirio Díaz averages 0 frost days, 0 hot days (≥ 30 °C) and 175 rainy days per year.
Miahuatlán de Porfirio Díaz has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.6 °C (on 7 May 1998) and the coldest 2.7 °C (on 13 January 1956).
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
Miahuatlán de Porfirio DíazOaxaca
- coords
- 16.33°, -96.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.6°C
Average daily high
22.6°C
Average daily low
12.0°C
Annual rainfall
2,895mm
Sunshine / day
10.8h
Mean relative humidity
73%
Average peak wind
9.3km/h
Seasonal range
3.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
175 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.6 °C
Average feels-like low
11.3 °C
Average peak gust
35.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.83 · 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
31.6 °C
7 May 1998
Coldest day
2.7 °C
13 January 1956
Wettest day
247 mm
17 June 1974
Windiest day
27.7 km/h
2 January 2008
Strongest gust
96.5 km/h
2 January 2008
Hottest feels-like
34.3 °C
8 June 2019
Coldest feels-like
-1.8 °C
13 January 1956
Sunniest day
13.0 h
23 June 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 | 24.0 °C | +2.3 °C | 21 mm | +6 mm |
| Feb | 25.2 °C | +2.3 °C | 38 mm | +20 mm |
| Mar | 26.9 °C | +2.7 °C | 22 mm | -19 mm |
| Apr | 27.3 °C | +2.5 °C | 22 mm | -97 mm |
| May | 26.2 °C | +2.0 °C | 360 mm | +52 mm |
| Jun | 22.8 °C | +0.5 °C | 699 mm | +119 mm |
| Jul | 24.1 °C | +1.9 °C | 547 mm | +59 mm |
| Aug | 24.2 °C | +1.9 °C | 649 mm | +150 mm |
| Sep | 23.5 °C | +1.8 °C | 565 mm | +18 mm |
| Oct | 23.5 °C | +1.6 °C | 405 mm | +182 mm |
| Nov | 23.7 °C | +1.8 °C | 19 mm | -24 mm |
| Dec | 23.1 °C | +1.5 °C | 26 mm | +12 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 Miahuatlán de Porfirio Díaz?
Miahuatlán de Porfirio Díaz has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 16.6 °C and it receives 2,895 mm of precipitation per year.
What is the hottest day ever recorded in Miahuatlán de Porfirio Díaz?
The hottest day measured in Miahuatlán de Porfirio Díaz between 1940 and 2025 was 7 May 1998, reaching 31.6 °C.
What is the coldest day in Miahuatlán de Porfirio Díaz?
The coldest day measured in Miahuatlán de Porfirio Díaz between 1940 and 2025 was 13 January 1956, at 2.7 °C.
Does it snow in Miahuatlán de Porfirio Díaz?
Almost never: Miahuatlán de Porfirio Díaz sees virtually no snow, with about 0 frost days per year.
Has the climate of Miahuatlán de Porfirio Díaz warmed?
Yes: Miahuatlán de Porfirio Díaz warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Miahuatlán de Porfirio Díaz?
The wettest day measured in Miahuatlán de Porfirio Díaz between 1940 and 2025 was 17 June 1974, with 247 mm of rain in 24 hours.
What was the windiest day in Miahuatlán de Porfirio Díaz?
The windiest day measured in Miahuatlán de Porfirio Díaz between 1940 and 2025 was 2 January 2008, with winds reaching 27.7 km/h.
What is the warmest month in Miahuatlán de Porfirio Díaz?
The warmest month in Miahuatlán de Porfirio Díaz is May (18.2 °C on average); the coldest is January (14.7 °C).
How much does it rain in Miahuatlán de Porfirio Díaz?
Miahuatlán de Porfirio Díaz receives on average 2,895 mm of precipitation per year, spread over about 175 rainy days.
Is it sunny in Miahuatlán de Porfirio Díaz?
Miahuatlán de Porfirio Díaz gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Miahuatlán de Porfirio Díaz?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Miahuatlán de Porfirio Díaz.
What was the most extreme apparent temperature in Miahuatlán de Porfirio Díaz?
In Miahuatlán de Porfirio Díaz, between 1940 and 2025, the highest apparent temperature reached 34.3 °C on 8 June 2019, and the lowest was -1.8 °C on 13 January 1956.
Compare Miahuatlán de Porfirio Díaz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Miahuatlán de Porfirio Díaz