Arari weather in May

In May, Arari sees average daytime highs of 32°C and overnight lows near 24°C, with 192 mm of rain across 21.9 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 14% of the time in May, and the air most often feels miserable.

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 Arari's 8th-clearest and 10th-windiest month. For the whole year in context, see Arari's year-round climate.

Daytime high
32°
9th warmest
Overnight low
24°
7th coldest
Rainfall
192 mm
21.9 wet days
Daylight
11 h 48 min
6:00 AM – 5:51 PM
Cloud cover
69%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
4.59 kWh/m²
Travel score
3.0
out of 10

Arari 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 32°C through the month.

A typical May day in Arari reaches about 32°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°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)
13124
23124
33124
43124
53124
63124
73124
83124
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How May really feels in Arari

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.

Arari weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°24824.212.22.6
Feb32° / 24°28324.712.12.5
Mar31° / 24°36029.1122.4
Apr31° / 24°35427.611.92.4
May32° / 24°19221.911.83.0
Jun32° / 24°6312.111.84.1
Jul32° / 24°386.711.84.4
Aug34° / 24°102.411.93.9
Sep35° / 25°71.3123.2
Oct35° / 25°183.612.12.8
Nov35° / 25°436.912.22.8
Dec34° / 25°9914.212.22.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32179
42377
52377
62575
72575
82773
92872
102971
113169
123268
133466
143565
153664
163961
174060
184159
194258
204456
214456
224555
234555
244654
254753
264852
275050
285050
295149
305248
315347

Chance of precipitation in May

Any precipitation

Arari gets around 192 mm of rain over 21.9 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 71% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
284
383
482
581
680
779
877
976
1075
1174
1273
1373
1472
1571
1671
1770
1870
1969
2069
2168
2267
2366
2464
2563
2662
2760
2859
2957
3055
3153

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12476
22476
32476
42476
52377
62377
72377
82278
92278
102278
112278
122278
132278
142278
152278
162377
172377
182476
192476
202575
212674
222773
232872
243070
253169
263268
273466
283565
293664
303862
314060

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
156calm
166calm
176calm
186calm
196calm
206calm
216calm
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 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 6:00 AM to 6:02 AM, and sunset from 5:53 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:005:53
211.96:005:53
311.96:005:52
411.96:005:52
511.96:005:52
611.96:005:52
711.96:005:52
811.96:005:51
911.96:005:51
1011.96:005:51
1111.96:005:51
1211.96:005:51
1311.96:005:51
1411.86:005:51
1511.86:005:51
1611.86:005:51
1711.86:005:51
1811.86:005:51
1911.86:005:51
2011.86:005:51
2111.86:015:51
2211.86:015:51
2311.86:015:51
2411.86:015:51
2511.86:015:51
2611.86:015:51
2711.86:015:51
2811.86:025:51
2911.86:025:51
3011.86:025:51
3111.86:025:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.59 kWh/m².

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 6.28 kWh/m² in October across the year — May's 4.59 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Arari

In seasonPeak

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

Arari'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 Arari?

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

3.0
Sightseeing
5th-best month of the year
4.7
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Arari.

What to pack for Arari in May

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

In May, Arari sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Arari in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arari peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 14UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Arari 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 Arari is worst in November — around 22 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1621 µg/m³Jul 148 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar15Moderate
Apr14Moderate
May10Good
Jun9Good
Jul8Good
Aug9Good
Sep11Good
Oct17Moderate
Nov22Moderate
Dec17Moderate
Location & terrain

Where is Arari?

Arari sits at 3.5°S, 44.8°W, 9 m above sea level, in Brazil. The nearest listed city is Vitória do Mearim, 10 km away.

Topography around Arari

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

Within 3 km, the terrain around Arari has only modest variations in elevation — a maximum elevation change of 14 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, only modest variations in elevation — a maximum elevation change of 112 m.

The land around Arari is covered by grassland (64%) within 3 km, grassland (53%) and trees (21%) within 16 km, and grassland (43%) and trees (38%) within 80 km.

3 km
14 m
16 km
42 m
80 km
112 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Vitória do Mearim 10 km · Miranda do Norte 25 km · Anajatuba 28 km · Cajari 30 km · Matões do Norte 32 km · Viana 36 km · Penalva 47 km · Itapecuru Mirim 47 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 Arari (-3.4536°, -44.78°, elevation 9 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).