Iriona weather in December

In December, Iriona sees average daytime highs of 26°C and overnight lows near 24°C, with 146 mm of rain across 23.1 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 33% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 06 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Iriona's 5th-clearest and 10th-windiest month. For the whole year in context, see Iriona's year-round climate.

Daytime high
26°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
146 mm
23.1 wet days
Daylight
11 h 06 min
6:05 AM – 5:08 PM
Cloud cover
53%
5th clearest
Wind
12 km/h
10th windiest
Solar energy
3.85 kWh/m²
Travel score
4.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Iriona reaches about 26°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12724
22724
32724
42724
52724
62724
72724
82724
92724
102624
112624
122624
132624
142624
152624
162624
172624
182624
192623
202623
212623
222623
232623
242623
252623
262623
272623
282623
292623
302623
312623

How December really feels in Iriona

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Iriona weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 23°14320.211.25.3
Feb26° / 23°7415.511.55.9
Mar27° / 24°6912.911.96.5
Apr28° / 25°359.612.36.4
May29° / 25°8614.612.75.1
Jun29° / 25°11519.712.94.2
Jul29° / 25°13725.812.93.8
Aug29° / 25°11922.512.54.0
Sep29° / 26°1101912.14.2
Oct28° / 25°26524.311.64.0
Nov27° / 24°25824.311.34.3
Dec26° / 24°14623.111.14.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 26% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55743
65743
75743
85842
95842
105842
115842
125842
135842
145842
155941
165941
175941
186040
196040
206040
216238
226238
236238
246337
256337
266436
276337
286337
296337
306238
316238

Chance of precipitation in December

Any precipitation

Iriona gets around 146 mm of rain over 23.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
277
376
476
576
676
776
875
975
1075
1175
1275
1374
1474
1574
1674
1773
1873
1973
2073
2173
2273
2373
2473
2573
2673
2773
2873
2973
3073
3173

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1111826
2111826
3111826
4111826
5112825
6112825
7112825
8113815
9213805
10214795
11214795
12214795
13215785
14215785
15315784
16315784
17316774
18316774
19316774
20316774
21416764
22416773
23416773
24416773
25416773
26416773
27316783
28416773
29416773
30416782
31417772

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 06 min at the start of December to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:57 AM to 6:12 AM, and sunset from 5:04 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.15:575:04
211.15:575:04
311.15:585:04
411.15:585:04
511.15:595:05
611.15:595:05
711.16:005:05
811.16:015:05
911.16:015:06
1011.16:025:06
1111.16:025:06
1211.16:035:07
1311.16:035:07
1411.16:045:07
1511.16:045:08
1611.16:055:08
1711.16:055:09
1811.16:065:09
1911.16:065:09
2011.16:075:10
2111.06:075:10
2211.06:085:11
2311.06:085:11
2411.16:095:12
2511.16:095:12
2611.16:105:13
2711.16:105:13
2811.16:105:14
2911.16:115:14
3011.16:115:15
3111.16:125:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 6.46 kWh/m² in April across the year — December's 3.85 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in December

Hazard calendar for Iriona

In seasonPeak

In December, Iriona sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Iriona sits in the Atlantic hurricane belt; the season peaks August–October.

Iriona's rainy season runs October–January, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Iriona?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.8
Sightseeing
6th-best month of the year
4.7
Beach & pool
9th-best month of the year

December is a reasonable time to visit Iriona for sightseeing.

What to pack for Iriona in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Iriona sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes. About 23 days see rain.

rain gearlight clothes

Sea temperature near Iriona in December

The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in September at about 29°C and coldest in February near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun28Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Iriona in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iriona peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 23UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Iriona in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Iriona is worst in July — around 34 µg/m³ PM2.5 (moderate), about 5.5× the cleanest month (November, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1233 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar11Good
Apr27Moderate
May31Moderate
Jun31Moderate
Jul34Moderate
Aug23Moderate
Sep14Moderate
Oct10Good
Nov6Good
Dec6Good
Location & terrain

Where is Iriona?

Iriona sits at 16.0°N, 85.1°W, 6 m above sea level, in Honduras. The nearest listed city is Tocoa, 102 km away.

TocoaDulce Nombre de CulmíSabáSonagueraGualacoCatacamasRoatanOlanchito

Topography around Iriona

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iriona.

Within 3 km, the terrain around Iriona has only modest variations in elevation — a maximum elevation change of 34 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 382 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,847 m.

The land around Iriona is covered by water (46%) and trees (23%) within 3 km, water (58%), trees (20%) and grassland (20%) within 16 km, and trees (43%) and water (42%) within 80 km.

3 km
34 m
16 km
382 m
80 km
1,847 m
treesgrasslandcroplandbare terrainwaterwetlandmangroves
December weather nearby: Tocoa 102 km · Dulce Nombre de Culmí 107 km · Sabá 136 km · Sonaguera 138 km · Gualaco 148 km · Catacamas 151 km · Roatan 159 km · Olanchito 167 km

Honduras travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$3,598
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
66%
of population, 2024
Homicide rate
31.4
per 100k, 2023
Road deaths
16.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 553
Religion
Evangelical 55%Roman Catholic 33%none 10%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Iriona (15.9678°, -85.0932°, elevation 6 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).