Iriona weather in May

In May, Iriona sees average daytime highs of 29°C and overnight lows near 25°C, with 86 mm of rain across 14.6 wet days and about 12.7 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Iriona's 6th-clearest and 4th-windiest month. For the whole year in context, see Iriona's year-round climate.

Daytime high
29°
4th warmest
Overnight low
25°
9th coldest
Rainfall
86 mm
14.6 wet days
Daylight
12 h 42 min
5:14 AM – 5:59 PM
Cloud cover
56%
6th clearest
Wind
15 km/h
4th windiest
Solar energy
6.11 kWh/m²
Travel score
5.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Iriona reaches about 29°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262926
272926
282926
292926
302926
312926

How May really feels in Iriona

Once humidity and wind are folded in, May averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Iriona weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 9th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27030
37030
46931
56832
66733
76634
86535
96436
106337
116139
125941
135842
145644
155545
165347
175149
185050
194753
204753
214456
224258
234159
244060
253862
263763
273664
283466
293466
303466
313466

Chance of precipitation in May

Any precipitation

Iriona gets around 86 mm of rain over 14.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
134
235
336
437
538
639
740
841
942
1043
1144
1246
1347
1448
1549
1650
1750
1851
1952
2053
2153
2254
2354
2454
2554
2654
2754
2854
2953
3053
3153

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
136631
236532
336433
426434
526335
626236
726236
826137
926137
1026137
1116138
1216039
1315940
1415742
1515643
1615544
1715346
1815148
1915049
2014950
2114752
2214554
2314356
2404159
2503961
2603862
2703664
2803466
2903367
3003268
3103070

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:21 AM to 5:12 AM, and sunset from 5:55 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:215:55
212.65:205:55
312.65:205:55
412.65:195:55
512.65:195:56
612.65:185:56
712.65:185:56
812.75:175:56
912.75:175:57
1012.75:165:57
1112.75:165:57
1212.75:165:58
1312.75:155:58
1412.75:155:58
1512.75:155:59
1612.75:145:59
1712.85:145:59
1812.85:146:00
1912.85:146:00
2012.85:136:00
2112.85:136:01
2212.85:136:01
2312.85:136:01
2412.85:126:02
2512.85:126:02
2612.85:126:02
2712.85:126:03
2812.95:126:03
2912.95:126:03
3012.95:126:04
3112.95:126:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.11 kWh/m².

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 — May's 6.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.2Intense
156.1Intense
166.1Intense
176.1Intense
186.0Intense
196.0Intense
206.0Bright
216.0Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Iriona

In seasonPeak

None of Iriona's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 May a good time to visit Iriona?

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

5.1
Sightseeing
5th-best month of the year
6.3
Beach & pool
3rd-best month of the year

May is a reasonable time to visit Iriona for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Iriona in May

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

In May, Iriona sees daytime highs around 29°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Iriona in May

The nearest coast averages about 28°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).