Irituia weather in May

In May, Irituia sees average daytime highs of 31°C and overnight lows near 23°C, with 215 mm of rain across 25.5 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 8% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Irituia's 8th-clearest and 11th-windiest month. For the whole year in context, see Irituia's year-round climate.

Daytime high
31°
9th warmest
Overnight low
23°
4th coldest
Rainfall
215 mm
25.5 wet days
Daylight
11 h 54 min
6:08 AM – 6:04 PM
Cloud cover
75%
8th clearest
Wind
6 km/h
11th windiest
Solar energy
4.44 kWh/m²
Travel score
2.8
out of 10

Irituia is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in Irituia reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How May really feels in Irituia

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.

Irituia weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°19825.212.12.6
Feb31° / 23°27625.912.12.5
Mar31° / 23°35230.1122.5
Apr31° / 23°34828.9122.5
May31° / 23°21525.511.92.8
Jun31° / 23°9518.511.93.5
Jul32° / 22°6613.311.94.0
Aug33° / 23°287.611.94.0
Sep34° / 23°215.6123.6
Oct34° / 24°246123.3
Nov34° / 24°417.312.13.2
Dec33° / 24°891512.13.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21288
31387
41486
51585
61783
71882
81981
92080
102278
112377
122476
132575
142773
152872
162872
173070
183070
193169
203169
213367
223367
233466
243466
253565
263664
273763
283763
293862
304060
314159

Chance of precipitation in May

Any precipitation

Irituia gets around 215 mm of rain over 25.5 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 82% and peaks near 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
392
492
591
690
789
888
987
1087
1186
1285
1384
1483
1582
1681
1780
1879
1979
2078
2178
2277
2376
2476
2575
2674
2773
2872
2972
3071
3170

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15842
25842
35842
45842
55842
65842
75842
85842
95842
105941
115941
126040
136040
146139
156238
166238
176337
186436
196535
206634
216733
226832
236931
247129
257228
267327
277525
287624
297723
307822
318020

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 6:09 AM to 6:10 AM, and sunset from 6:05 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:096:05
211.96:096:05
311.96:096:05
411.96:096:05
511.96:086:04
611.96:086:04
711.96:086:04
811.96:086:04
911.96:086:04
1011.96:086:04
1111.96:086:04
1211.96:086:04
1311.96:086:04
1411.96:086:04
1511.96:086:04
1611.96:086:04
1711.96:086:04
1811.96:096:04
1911.96:096:04
2011.96:096:04
2111.96:096:04
2211.96:096:04
2311.96:096:04
2411.96:096:04
2511.96:096:04
2611.96:096:04
2711.96:096:04
2811.96:106:04
2911.96:106:04
3011.96:106:04
3111.96:106:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.44 kWh/m².

For context, solar energy here swings from a low near 4.09 kWh/m² to a high of 6.1 kWh/m² in October across the year — May's 4.44 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.4Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Irituia

In seasonPeak

In May, Irituia sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Irituia's monsoon runs January–May, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Irituia?

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

2.8
Sightseeing
8th-best month of the year
4.2
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Irituia.

What to pack for Irituia in May

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

In May, Irituia sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in Irituia 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 Irituia peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Irituia 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 Irituia is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 2020 µg/m³Jul 128 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar20Moderate
Apr15Moderate
May10Good
Jun8Good
Jul8Good
Aug9Good
Sep11Good
Oct13Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Irituia?

Irituia sits at 1.8°S, 47.4°W, 18 m above sea level, in Brazil. The nearest listed city is São Miguel do Guamá, 17 km away.

Topography around Irituia

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

Within 3 km, the terrain around Irituia has only modest variations in elevation — a maximum elevation change of 60 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, only modest variations in elevation — a maximum elevation change of 163 m.

The land around Irituia is covered by trees (67%) and grassland (30%) within 3 km, trees (67%) and grassland (32%) within 16 km, and trees (60%) and grassland (39%) within 80 km.

3 km
60 m
16 km
80 m
80 km
163 m
treesgrasslandartificial surfaceswaterwetland
May weather nearby: São Miguel do Guamá 17 km · Mãe do Rio 33 km · São Domingos do Capim 39 km · Capitão Poço 42 km · Aurora do Pará 43 km · Ourém 43 km · Garrafão do Norte 47 km · Santa Maria do Pará 49 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Irituia (-1.7711°, -47.4381°, elevation 18 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. 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).