Coari weather in March

In March, Coari sees average daytime highs of 30°C and overnight lows near 25°C, with 334 mm of rain across 28.7 wet days and about 12 hours of daylight. It is the 7th-warmest and 2nd-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 1% of the time in March, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Coari's 11th-clearest and 2nd-windiest month. For the whole year in context, see Coari's year-round climate.

Daytime high
30°
7th warmest
Overnight low
25°
8th coldest
Rainfall
334 mm
28.7 wet days
Daylight
12 hours
6:21 AM – 6:23 PM
Cloud cover
89%
11th clearest
Wind
5 km/h
2nd windiest
Solar energy
4.35 kWh/m²
Travel score
2.7
out of 10

Coari is human settlement in Brazil.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March day in Coari reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°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, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
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
313025

How March really feels in Coari

Once humidity and wind are folded in, March 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 March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Coari weather by month

How March compares with the rest of the year at a glance. March is the 7th-warmest and 2nd-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 4% of March, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3496
4496
5496
6496
7496
8496
9496
10496
11496
12496
13496
14496
15496
16595
17595
18694
19694
20793
21793
22793
23793
24793
25793
26793
27793
28793
29793
30793
31793

Chance of precipitation in March

Any precipitation

Coari gets around 334 mm of rain over 28.7 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
694
794
894
994
1093
1193
1293
1393
1493
1592
1692
1792
1892
1991
2091
2191
2292
2392
2492
2592
2692
2793
2893
2993
3094
3194

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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 (%)
12377
22278
32179
42179
52080
61981
71882
81882
91783
101783
111783
121684
131684
141684
151684
161585
171585
181585
191585
201585
211585
221585
231585
241585
251486
261486
271486
281486
291486
301387
311387

Wind in March

Winds average 5 km/h in March.

Across March, 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 March

DaylightNight

Daylight runs from about 12 h 06 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over March. Sunrise moves from 6:23 AM to 6:18 AM, and sunset from 6:28 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:236:28
212.16:236:28
312.16:236:28
412.16:236:27
512.16:236:27
612.16:236:27
712.16:236:26
812.16:236:26
912.16:226:26
1012.16:226:25
1112.06:226:25
1212.06:226:25
1312.06:226:24
1412.06:226:24
1512.06:226:23
1612.06:216:23
1712.06:216:23
1812.06:216:22
1912.06:216:22
2012.06:216:21
2112.06:206:21
2212.06:206:21
2312.06:206:20
2412.06:206:20
2512.06:206:19
2612.06:196:19
2712.06:196:18
2812.06:196:18
2912.06:196:18
3012.06:196:17
3112.06:186:17

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.35 kWh/m².

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 — March's 4.35 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in March

Is March a good time to visit Coari?

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

2.7
Sightseeing
9th-best month of the year
3.7
Beach & pool
10th-best month of the year

March is a weaker month for outdoor sightseeing in Coari.

What to pack for Coari in March

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

In March, Coari sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Coari in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (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 March

GoodModeratePoorUnhealthyVery unhealthy

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