Coari weather in May

In May, Coari sees average daytime highs of 30°C and overnight lows near 24°C, with 297 mm of rain across 29.1 wet days and about 11.8 hours of daylight. It is the 12th-warmest and 3rd-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 2% 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 Coari's 6th-clearest and 7th-windiest month. For the whole year in context, see Coari's year-round climate.

Daytime high
30°
12th warmest
Overnight low
24°
3rd coldest
Rainfall
297 mm
29.1 wet days
Daylight
11 h 48 min
6:14 AM – 6:03 PM
Cloud cover
84%
6th clearest
Wind
5 km/h
7th windiest
Solar energy
3.75 kWh/m²
Travel score
2.8
out of 10

Coari 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 30°C through the month.

A typical May day in Coari reaches about 30°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How May really feels in Coari

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.

Coari weather by month

How May compares with the rest of the year at a glance. May is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°2852812.22.8
Feb30° / 25°27525.212.12.8
Mar30° / 25°33428.7122.7
Apr30° / 25°33528.611.92.7
May30° / 24°29729.111.82.8
Jun30° / 24°16725.311.83.2
Jul30° / 24°10120.511.83.8
Aug31° / 25°9618.611.93.6
Sep32° / 25°12321.5123.0
Oct31° / 25°16324.712.12.8
Nov31° / 25°21125.712.22.7
Dec30° / 25°2562912.22.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3892
4892
5892
6892
7892
8892
9991
10991
111090
121189
131189
141189
151288
161288
171387
181387
191387
201486
211486
221486
231585
241684
251684
261684
271882
281882
291981
302080
312278

Chance of precipitation in May

Any precipitation

Coari gets around 297 mm of rain over 29.1 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
493
593
693
793
893
993
1093
1193
1293
1393
1493
1593
1694
1794
1894
1994
2094
2194
2294
2394
2495
2594
2694
2794
2894
2994
3093
3193

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11387
21387
31486
41486
51486
61486
71585
81585
91585
101684
111684
121684
131684
141783
151783
161783
171783
181783
191783
201783
211783
221783
231783
241783
251783
261783
271783
281783
291783
301882
311882

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:14 AM to 6:16 AM, and sunset from 6:06 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:146:06
211.96:146:05
311.96:146:05
411.86:146:05
511.86:146:05
611.86:146:04
711.86:146:04
811.86:146:04
911.86:146:04
1011.86:146:04
1111.86:146:04
1211.86:146:04
1311.86:146:04
1411.86:146:03
1511.86:146:03
1611.86:146:03
1711.86:146:03
1811.86:156:03
1911.86:156:03
2011.86:156:03
2111.86:156:03
2211.86:156:03
2311.86:156:03
2411.86:156:03
2511.86:156:03
2611.86:166:03
2711.86:166:03
2811.86:166:03
2911.86:166:03
3011.86:166:03
3111.86:166:03

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.75 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.28 kWh/m² in October across the year — May's 3.75 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
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in May

Is May a good time to visit Coari?

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

2.8
Sightseeing
5th-best month of the year
3.8
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Coari.

What to pack for Coari in May

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

In May, Coari sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Coari 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 Coari peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 highExtremeExtremeMar 14UV 15Jul 13UV 10
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep10Very high
Oct11Extreme
Nov12Extreme
Dec12Extreme

Air quality in Coari 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 Coari is worst in September — around 25 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (June, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1224 µg/m³Jun 1111 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May11Good
Jun11Good
Jul12Moderate
Aug23Moderate
Sep25Moderate
Oct21Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Coari?

Coari sits at 4.1°S, 63.1°W, 42 m above sea level, in Brazil. The nearest listed city is Codajás, 123 km away.

UariniManicoré

Topography around Coari

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

Within 3 km, the terrain around Coari has only modest variations in elevation — a maximum elevation change of 43 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 58 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around Coari is covered by water (46%) and trees (33%) within 3 km, trees (64%) and water (30%) within 16 km, and trees (87%) within 80 km.

3 km
43 m
16 km
58 m
80 km
70 m
treesgrasslandartificial surfacesbare terrainwaterwetland
May weather nearby: Codajás 123 km · Anori 170 km · Tapauá 172 km · Tefé 192 km · Beruri 197 km · Alvarães 208 km · Uarini 250 km · Manicoré 280 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 Coari (-4.085°, -63.1414°, elevation 42 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).