Puerto Barrios climate — normals and trends
Puerto Barrios (Guatemala) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.0 °C and it receives 3,161 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 (26.5 °C on average) and the coldest is January (22.9 °C). Rainfall peaks in October.
Puerto Barrios averages 0 frost days, 21 hot days (≥ 30 °C) and 280 rainy days per year.
Puerto Barrios has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.8 °C (on 17 May 2024) and the coldest 15.4 °C (on 31 January 1960).
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
Puerto BarriosIzabal Department
- coords
- 15.73°, -88.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.0°C
Average daily high
27.2°C
Average daily low
23.2°C
Annual rainfall
3,161mm
Sunshine / day
9.9h
Mean relative humidity
86%
Average peak wind
15.8km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
21 d/yr
Rainy days (≥ 1 mm)
280 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.3 °C
Average feels-like low
26.8 °C
Average peak gust
28.9 km/h
Tropical nights (≥ 20 °C)
351 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.71 · 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
33.8 °C
17 May 2024
Coldest day
15.4 °C
31 January 1960
Wettest day
289 mm
3 September 1969
Windiest day
53.7 km/h
19 September 1974
Strongest gust
90.0 km/h
19 September 1974
Hottest feels-like
42.2 °C
9 June 2020
Coldest feels-like
14.3 °C
31 January 1960
Sunniest day
12.4 h
28 May 1973
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 | 25.6 °C | +0.8 °C | 401 mm | +152 mm |
| Feb | 26.9 °C | +1.3 °C | 148 mm | -7 mm |
| Mar | 28.2 °C | +1.2 °C | 102 mm | -18 mm |
| Apr | 28.1 °C | 0.0 °C | 98 mm | -3 mm |
| May | 30.3 °C | +1.6 °C | 71 mm | -93 mm |
| Jun | 29.5 °C | +0.8 °C | 385 mm | +73 mm |
| Jul | 29.0 °C | +0.9 °C | 308 mm | -46 mm |
| Aug | 29.6 °C | +1.2 °C | 245 mm | -46 mm |
| Sep | 29.4 °C | +1.0 °C | 333 mm | +6 mm |
| Oct | 28.7 °C | +1.4 °C | 274 mm | -126 mm |
| Nov | 26.3 °C | +0.4 °C | 375 mm | -21 mm |
| Dec | 25.9 °C | +0.9 °C | 424 mm | +132 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 Puerto Barrios?
Puerto Barrios has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 3,161 mm of precipitation per year.
What is the hottest day ever recorded in Puerto Barrios?
The hottest day measured in Puerto Barrios between 1940 and 2025 was 17 May 2024, reaching 33.8 °C.
What is the coldest day in Puerto Barrios?
The coldest day measured in Puerto Barrios between 1940 and 2025 was 31 January 1960, at 15.4 °C.
Does it snow in Puerto Barrios?
Almost never: Puerto Barrios sees virtually no snow, with about 0 frost days per year.
Has the climate of Puerto Barrios warmed?
Yes: Puerto Barrios warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Puerto Barrios?
The wettest day measured in Puerto Barrios between 1940 and 2025 was 3 September 1969, with 289 mm of rain in 24 hours.
What was the windiest day in Puerto Barrios?
The windiest day measured in Puerto Barrios between 1940 and 2025 was 19 September 1974, with winds reaching 53.7 km/h.
What is the warmest month in Puerto Barrios?
The warmest month in Puerto Barrios is May (26.5 °C on average); the coldest is January (22.9 °C).
How much does it rain in Puerto Barrios?
Puerto Barrios receives on average 3,161 mm of precipitation per year, spread over about 280 rainy days.
Is it sunny in Puerto Barrios?
Puerto Barrios gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Puerto Barrios?
Yes: Puerto Barrios has on average 351 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Puerto Barrios?
In Puerto Barrios, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 9 June 2020, and the lowest was 14.3 °C on 31 January 1960.
Compare Puerto Barrios with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Puerto Barrios