Frontera climate — normals and trends
Frontera (Mexico) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 1,220 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 (29.2 °C on average) and the coldest is January (23.4 °C). Rainfall peaks in September.
Frontera averages 0 frost days, 178 hot days (≥ 30 °C) and 164 rainy days per year.
Frontera has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.0 °C (on 4 May 1999) and the coldest 14.6 °C (on 25 January 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
FronteraTabasco
- coords
- 18.54°, -92.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
29.7°C
Average daily low
24.0°C
Annual rainfall
1,220mm
Sunshine / day
10.8h
Mean relative humidity
78%
Average peak wind
20.4km/h
Seasonal range
5.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
178 d/yr
Rainy days (≥ 1 mm)
164 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.9 °C
Average feels-like low
26.7 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
346 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.56 · 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
39.0 °C
4 May 1999
Coldest day
14.6 °C
25 January 1981
Wettest day
319 mm
21 August 1973
Windiest day
55.5 km/h
11 November 1942
Strongest gust
95.4 km/h
21 August 1973
Hottest feels-like
46.8 °C
26 May 2024
Coldest feels-like
12.1 °C
5 February 1970
Sunniest day
12.8 h
20 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 27.2 °C | +1.0 °C | 77 mm | +18 mm |
| Feb | 29.1 °C | +1.6 °C | 64 mm | +28 mm |
| Mar | 31.5 °C | +1.5 °C | 8 mm | -18 mm |
| Apr | 32.3 °C | +0.1 °C | 9 mm | -17 mm |
| May | 34.6 °C | +1.6 °C | 11 mm | -49 mm |
| Jun | 32.6 °C | +0.9 °C | 148 mm | -16 mm |
| Jul | 33.2 °C | +1.8 °C | 60 mm | -58 mm |
| Aug | 33.0 °C | +1.6 °C | 86 mm | -57 mm |
| Sep | 31.9 °C | +1.8 °C | 213 mm | -15 mm |
| Oct | 30.2 °C | +1.4 °C | 176 mm | -11 mm |
| Nov | 29.0 °C | +1.4 °C | 67 mm | -35 mm |
| Dec | 28.5 °C | +1.9 °C | 77 mm | +8 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 Frontera?
Frontera has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 1,220 mm of precipitation per year.
What is the hottest day ever recorded in Frontera?
The hottest day measured in Frontera between 1940 and 2025 was 4 May 1999, reaching 39.0 °C.
What is the coldest day in Frontera?
The coldest day measured in Frontera between 1940 and 2025 was 25 January 1981, at 14.6 °C.
Does it snow in Frontera?
Almost never: Frontera sees virtually no snow, with about 0 frost days per year.
Has the climate of Frontera warmed?
Yes: Frontera warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Frontera?
The wettest day measured in Frontera between 1940 and 2025 was 21 August 1973, with 319 mm of rain in 24 hours.
What was the windiest day in Frontera?
The windiest day measured in Frontera between 1940 and 2025 was 11 November 1942, with winds reaching 55.5 km/h.
What is the warmest month in Frontera?
The warmest month in Frontera is May (29.2 °C on average); the coldest is January (23.4 °C).
How much does it rain in Frontera?
Frontera receives on average 1,220 mm of precipitation per year, spread over about 164 rainy days.
Is it sunny in Frontera?
Frontera gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Frontera?
Yes: Frontera has on average 346 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Frontera?
In Frontera, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 26 May 2024, and the lowest was 12.1 °C on 5 February 1970.
Compare Frontera with another city
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Nearby cities
The climate around Frontera