Iriona climate — normals and trends
Iriona (Honduras) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 1,681 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 September (26.9 °C on average) and the coldest is January (24.3 °C). Rainfall peaks in November.
Iriona averages 0 frost days, 17 hot days (≥ 30 °C) and 249 rainy days per year.
Iriona has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.5 °C (on 16 March 1983) and the coldest 19.8 °C (on 15 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
IrionaColón Department
- coords
- 15.97°, -85.09°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
27.5°C
Average daily low
24.3°C
Annual rainfall
1,681mm
Sunshine / day
10.7h
Mean relative humidity
84%
Average peak wind
18.9km/h
Seasonal range
2.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
17 d/yr
Rainy days (≥ 1 mm)
249 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.8 °C
Average feels-like low
27.6 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.70 · 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
33.5 °C
16 March 1983
Coldest day
19.8 °C
15 January 1956
Wettest day
196 mm
27 October 2017
Windiest day
63.4 km/h
28 October 1998
Strongest gust
99.7 km/h
28 October 1998
Hottest feels-like
40.3 °C
9 June 2023
Coldest feels-like
17.0 °C
24 December 1989
Sunniest day
12.8 h
7 June 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 | 27.3 °C | +1.6 °C | 201 mm | +61 mm |
| Feb | 27.6 °C | +1.5 °C | 117 mm | +37 mm |
| Mar | 28.6 °C | +1.6 °C | 42 mm | -19 mm |
| Apr | 28.0 °C | +0.1 °C | 129 mm | +86 mm |
| May | 29.6 °C | +1.1 °C | 58 mm | -34 mm |
| Jun | 28.7 °C | +0.2 °C | 188 mm | +50 mm |
| Jul | 29.1 °C | +1.0 °C | 136 mm | -36 mm |
| Aug | 29.5 °C | +1.0 °C | 134 mm | +1 mm |
| Sep | 29.9 °C | +1.2 °C | 96 mm | -31 mm |
| Oct | 29.2 °C | +1.4 °C | 265 mm | +8 mm |
| Nov | 27.7 °C | +1.0 °C | 401 mm | +135 mm |
| Dec | 27.3 °C | +1.2 °C | 235 mm | +63 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 Iriona?
Iriona has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,681 mm of precipitation per year.
What is the hottest day ever recorded in Iriona?
The hottest day measured in Iriona between 1940 and 2025 was 16 March 1983, reaching 33.5 °C.
What is the coldest day in Iriona?
The coldest day measured in Iriona between 1940 and 2025 was 15 January 1956, at 19.8 °C.
Does it snow in Iriona?
Almost never: Iriona sees virtually no snow, with about 0 frost days per year.
Has the climate of Iriona warmed?
Yes: Iriona warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Iriona?
The wettest day measured in Iriona between 1940 and 2025 was 27 October 2017, with 196 mm of rain in 24 hours.
What was the windiest day in Iriona?
The windiest day measured in Iriona between 1940 and 2025 was 28 October 1998, with winds reaching 63.4 km/h.
What is the warmest month in Iriona?
The warmest month in Iriona is September (26.9 °C on average); the coldest is January (24.3 °C).
How much does it rain in Iriona?
Iriona receives on average 1,681 mm of precipitation per year, spread over about 249 rainy days.
Is it sunny in Iriona?
Iriona gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Iriona?
Yes: Iriona has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Iriona?
In Iriona, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 9 June 2023, and the lowest was 17.0 °C on 24 December 1989.
Compare Iriona with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Iriona