Itarema weather in May

In May, Itarema sees average daytime highs of 30°C and overnight lows near 25°C, with 118 mm of rain across 18.4 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 30°C through the month. The sky is clear or mostly clear about 32% 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 48 min by month's end. Set against the rest of the year, May is Itarema's 8th-clearest and 10th-windiest month. For the whole year in context, see Itarema's year-round climate.

Daytime high
30°
9th warmest
Overnight low
25°
7th coldest
Rainfall
118 mm
18.4 wet days
Daylight
11 h 54 min
5:40 AM – 5:32 PM
Cloud cover
58%
8th clearest
Wind
13 km/h
10th windiest
Solar energy
4.96 kWh/m²
Travel score
4.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in Itarema reaches about 30°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13024
23024
33024
43024
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313125

How May really feels in Itarema

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.

Itarema 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
Jan31° / 25°1031812.23.7
Feb30° / 25°14922.212.13.3
Mar30° / 24°22727.1123.1
Apr30° / 24°27125.911.93.1
May30° / 25°11818.411.94.0
Jun31° / 24°347.711.85.1
Jul31° / 24°173.511.85.2
Aug32° / 24°30.511.95.1
Sep32° / 25°20.3125.1
Oct32° / 25°30.612.15.1
Nov32° / 25°51.212.14.9
Dec32° / 25°236.612.24.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23664
33862
43961
54159
64357
74555
84654
94753
104753
114951
125050
135050
145149
155248
165347
175446
185545
195644
205644
215743
225941
235941
246040
256139
266238
276436
286535
296535
306634
316733

Chance of precipitation in May

Any precipitation

Itarema gets around 118 mm of rain over 18.4 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 59% and peaks near 78% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
178
277
376
475
573
671
770
868
966
1064
1163
1261
1360
1458
1557
1656
1756
1855
1954
2053
2153
2252
2351
2450
2549
2648
2747
2846
2944
3043
3141

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
105050
205050
305050
405050
505050
605149
705149
805149
905248
1005248
1105347
1205347
1305446
1405545
1505644
1605743
1705842
1806040
1906139
2006238
2106436
2206535
2306733
2406832
2507030
2607228
2707426
2817524
2917722
3017920
3118118

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:40 AM to 5:42 AM, and sunset from 5:34 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:405:34
211.95:405:34
311.95:405:33
411.95:405:33
511.95:405:33
611.95:405:33
711.95:405:33
811.95:405:33
911.95:405:33
1011.95:405:32
1111.95:405:32
1211.95:405:32
1311.95:405:32
1411.95:405:32
1511.95:405:32
1611.95:405:32
1711.95:405:32
1811.95:405:32
1911.95:405:32
2011.95:405:32
2111.95:405:32
2211.95:405:32
2311.95:415:32
2411.95:415:32
2511.95:415:32
2611.95:415:32
2711.95:415:32
2811.85:415:32
2911.85:415:32
3011.85:425:32
3111.85:425:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.96 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.8 kWh/m² in September across the year — May's 4.96 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Itarema

In seasonPeak

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

Itarema's monsoon runs February–April, 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 Itarema?

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

4.0
Sightseeing
8th-best month of the year
5.6
Beach & pool
8th-best month of the year

May is a reasonable time to visit Itarema for sightseeing.

What to pack for Itarema in May

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

In May, Itarema sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Itarema in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August 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
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Itarema 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 Itarema peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 17UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Itarema?

Itarema sits at 2.9°S, 39.9°W, 21 m above sea level, in Brazil. The nearest listed city is Acaraú, 23 km away.

Topography around Itarema

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

Within 3 km, the terrain around Itarema has only modest variations in elevation — a maximum elevation change of 29 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, large variations in elevation — a maximum elevation change of 846 m.

The land around Itarema is covered by grassland (53%) within 3 km, water (37%), grassland (26%) and trees (21%) within 16 km, and water (37%), shrubs (23%) and grassland (20%) within 80 km.

3 km
29 m
16 km
50 m
80 km
846 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Acaraú 23 km · Bela Cruz 32 km · Marco 34 km · Morrinhos 42 km · Amontada 50 km · Jijoca de Jericoacoara 59 km · Santana do Acaraú 69 km · Itapipoca 74 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 Itarema (-2.9203°, -39.915°, elevation 21 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).