Açu weather in March

In March, Açu sees average daytime highs of 33°C and overnight lows near 24°C, with 92 mm of rain across 14.8 wet days and about 12 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 22% of the time in March, and the air most often feels oppressive.

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 Açu's 11th-clearest and 11th-windiest month. For the whole year in context, see Açu's year-round climate.

Daytime high: 33°; 8th warmest
Overnight low: 24°; 10th coldest
Rainfall: 92 mm; 14.8 wet days
Daylight: 12 hours; 5:36 AM – 5:38 PM
Cloud cover: 64%; 11th clearest
Wind: 12 km/h; 11th windiest
Solar energy: 5.65 kWh/m²
Travel score: 2.9; out of 10

Açu is human settlement in Brazil.

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

← February Açu year-round climate April →Best places to visit in March

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical March day in Açu reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°C. Set against its neighbours, March runs on par with February and on par with April.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33
Avg low (°C)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24

	Avg high (°C)	Avg low (°C)
1	34	24
2	34	24
3	34	24
4	34	24
5	34	24
6	34	24
7	34	24
8	34	24
9	34	24
10	34	24
11	34	24
12	34	24
13	34	24
14	34	24
15	34	24
16	33	24
17	33	24
18	33	24
19	33	24
20	33	24
21	33	24
22	33	24
23	33	24
24	33	24
25	33	24
26	33	24
27	33	24
28	33	24
29	33	24
30	33	24
31	33	24

How March really feels in Açu

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Açu weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	35° / 24°	50	8.7	12.3	2.7
Feb	34° / 24°	63	10.5	12.2	2.8
Mar	33° / 24°	92	14.8	12	2.9
Apr	33° / 24°	86	13.3	11.9	3.2
May	33° / 24°	40	6.7	11.7	3.6
Jun	33° / 23°	24	4.3	11.7	4.1
Jul	33° / 22°	15	2.4	11.7	4.2
Aug	34° / 22°	3	0.4	11.8	3.7
Sep	35° / 23°	1	0.1	12	3.1
Oct	36° / 23°	1	0.1	12.1	2.7
Nov	36° / 24°	2	0.4	12.3	2.7
Dec	36° / 24°	10	2.5	12.3	2.6

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 22% of March, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	45	45	46	46	46	47	47	47	47	47	47	47	46	46	45	46	45	45	43	43	42	41	41	41	40	40	40	41	41	41	41
Cloudier (%)	55	55	54	54	54	53	53	53	53	53	53	53	54	54	55	54	55	55	57	57	58	59	59	59	60	60	60	59	59	59	59

	Clearer (%)	Cloudier (%)
1	45	55
2	45	55
3	46	54
4	46	54
5	46	54
6	47	53
7	47	53
8	47	53
9	47	53
10	47	53
11	47	53
12	47	53
13	46	54
14	46	54
15	45	55
16	46	54
17	45	55
18	45	55
19	43	57
20	43	57
21	42	58
22	41	59
23	41	59
24	41	59
25	40	60
26	40	60
27	40	60
28	41	59
29	41	59
30	41	59
31	41	59

Chance of precipitation in March

Any precipitation

Açu gets around 92 mm of rain over 14.8 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	38	38	39	39	40	41	41	42	43	44	45	46	47	48	48	49	50	50	51	51	52	52	53	53	53	54	54	54	54	54	53

	Rain chance (%)
1	38
2	38
3	39
4	39
5	40
6	41
7	41
8	42
9	43
10	44
11	45
12	46
13	47
14	48
15	48
16	49
17	50
18	50
19	51
20	51
21	52
22	52
23	53
24	53
25	53
26	54
27	54
28	54
29	54
30	54
31	53

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	30	29	29	28	27	26	25	24	23	23	22	21	19	18	18	17	16	16	15	15	15	14	14	14	13	13	13	13	13	13	13
Oppressive (%)	66	67	67	68	69	70	71	72	73	73	74	75	77	77	77	78	78	78	78	78	78	78	78	78	78	78	78	78	78	78	78
Miserable (%)	4	4	4	4	4	4	4	4	4	4	4	4	4	5	5	5	6	6	7	7	7	8	8	8	9	9	9	9	9	9	9

	Muggy (%)	Oppressive (%)	Miserable (%)
1	30	66	4
2	29	67	4
3	29	67	4
4	28	68	4
5	27	69	4
6	26	70	4
7	25	71	4
8	24	72	4
9	23	73	4
10	23	73	4
11	22	74	4
12	21	75	4
13	19	77	4
14	18	77	5
15	18	77	5
16	17	78	5
17	16	78	6
18	16	78	6
19	15	78	7
20	15	78	7
21	15	78	7
22	14	78	8
23	14	78	8
24	14	78	8
25	13	78	9
26	13	78	9
27	13	78	9
28	13	78	9
29	13	78	9
30	13	78	9
31	13	78	9

Wind in March

Winds average 12 km/h in March.

Across March, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	13	13	13	13	12	12	12	12	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	13	light breeze
2	13	light breeze
3	13	light breeze
4	13	light breeze
5	12	light breeze
6	12	light breeze
7	12	light breeze
8	12	light breeze
9	12	light breeze
10	12	light breeze
11	12	light breeze
12	12	calm
13	12	calm
14	12	calm
15	12	calm
16	12	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm
31	11	calm

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 5:37 AM to 5:34 AM, and sunset from 5:44 PM to 5:31 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0
Sunrise (AM)	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:36	5:36	5:36	5:36	5:36	5:36	5:36	5:35	5:35	5:35	5:35	5:35	5:35	5:34	5:34	5:34	5:34	5:34
Sunset (PM)	5:44	5:44	5:44	5:43	5:43	5:43	5:42	5:42	5:41	5:41	5:41	5:40	5:40	5:39	5:39	5:38	5:38	5:38	5:37	5:37	5:36	5:36	5:35	5:35	5:34	5:34	5:33	5:33	5:32	5:32	5:31

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	5:37	5:44
2	12.1	5:37	5:44
3	12.1	5:37	5:44
4	12.1	5:37	5:43
5	12.1	5:37	5:43
6	12.1	5:37	5:43
7	12.1	5:37	5:42
8	12.1	5:37	5:42
9	12.1	5:37	5:41
10	12.1	5:37	5:41
11	12.1	5:37	5:41
12	12.1	5:37	5:40
13	12.1	5:37	5:40
14	12.0	5:36	5:39
15	12.0	5:36	5:39
16	12.0	5:36	5:38
17	12.0	5:36	5:38
18	12.0	5:36	5:38
19	12.0	5:36	5:37
20	12.0	5:36	5:37
21	12.0	5:35	5:36
22	12.0	5:35	5:36
23	12.0	5:35	5:35
24	12.0	5:35	5:35
25	12.0	5:35	5:34
26	12.0	5:35	5:34
27	12.0	5:34	5:33
28	12.0	5:34	5:33
29	12.0	5:34	5:32
30	12.0	5:34	5:32
31	12.0	5:34	5:31

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.65 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 6.8 kWh/m² in October across the year — March's 5.65 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.9	5.9	5.9	5.9	5.9	5.9	5.8	5.8	5.8	5.8	5.8	5.8	5.7	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.4
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.9	Bright
2	5.9	Bright
3	5.9	Bright
4	5.9	Bright
5	5.9	Bright
6	5.9	Bright
7	5.8	Bright
8	5.8	Bright
9	5.8	Bright
10	5.8	Bright
11	5.8	Bright
12	5.8	Bright
13	5.7	Bright
14	5.7	Bright
15	5.7	Bright
16	5.7	Bright
17	5.7	Bright
18	5.6	Bright
19	5.6	Bright
20	5.6	Bright
21	5.6	Bright
22	5.5	Bright
23	5.5	Bright
24	5.5	Bright
25	5.5	Bright
26	5.5	Bright
27	5.4	Bright
28	5.4	Bright
29	5.4	Bright
30	5.4	Bright
31	5.4	Bright

Planning a trip in March

Is March a good time to visit Açu?

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

2.9

Sightseeing

7th-best month of the year

5.4

Beach & pool

12th-best month of the year

March is a weaker month for outdoor sightseeing in Açu.

What to pack for Açu in March

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

In March, Açu sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Açu 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 Açu peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	14	15	14	11	10	10	10	12	12	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	14	Extreme
Mar	15	Extreme
Apr	14	Extreme
May	11	Extreme
Jun	10	Very high
Jul	10	Very high
Aug	10	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	12	Extreme
Dec	12	Extreme

Location & terrain

Where is Açu?

Açu sits at 5.6°S, 36.9°W, 36 m above sea level, in Brazil. The nearest listed city is Jucurutu, 52 km away.

Topography around Açu

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

Within 3 km, the terrain around Açu has only modest variations in elevation — a maximum elevation change of 78 m around an average of 37 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 132 m; within 80 km, large variations in elevation — a maximum elevation change of 749 m.

The land around Açu is covered by grassland (35%) and artificial surfaces (22%) within 3 km, shrubs (49%) and grassland (35%) within 16 km, and shrubs (66%) and grassland (20%) within 80 km.

3 km

78 m

grassland 35%

16 km

132 m

shrubs 49%

80 km

749 m

shrubs 66%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland

← February Açu year-round climate April →Best places to visit in March

March weather nearby: Jucurutu 52 km · Macau 60 km · Mossoró 65 km · Areia Branca 73 km · Lagoa Nova 75 km · Caraúbas 76 km · Guamaré 83 km · Currais Novos 87 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

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 Açu (-5.5767°, -36.9086°, elevation 36 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	34	24
2	34	24
3	34	24
4	34	24
5	34	24
6	34	24
7	34	24
8	34	24
9	34	24
10	34	24
11	34	24
12	34	24
13	34	24
14	34	24
15	34	24
16	33	24
17	33	24
18	33	24
19	33	24
20	33	24
21	33	24
22	33	24
23	33	24
24	33	24
25	33	24
26	33	24
27	33	24
28	33	24
29	33	24
30	33	24
31	33	24

	Clearer (%)	Cloudier (%)
1	45	55
2	45	55
3	46	54
4	46	54
5	46	54
6	47	53
7	47	53
8	47	53
9	47	53
10	47	53
11	47	53
12	47	53
13	46	54
14	46	54
15	45	55
16	46	54
17	45	55
18	45	55
19	43	57
20	43	57
21	42	58
22	41	59
23	41	59
24	41	59
25	40	60
26	40	60
27	40	60
28	41	59
29	41	59
30	41	59
31	41	59

	Rain chance (%)
1	38
2	38
3	39
4	39
5	40
6	41
7	41
8	42
9	43
10	44
11	45
12	46
13	47
14	48
15	48
16	49
17	50
18	50
19	51
20	51
21	52
22	52
23	53
24	53
25	53
26	54
27	54
28	54
29	54
30	54
31	53

	Muggy (%)	Oppressive (%)	Miserable (%)
1	30	66	4
2	29	67	4
3	29	67	4
4	28	68	4
5	27	69	4
6	26	70	4
7	25	71	4
8	24	72	4
9	23	73	4
10	23	73	4
11	22	74	4
12	21	75	4
13	19	77	4
14	18	77	5
15	18	77	5
16	17	78	5
17	16	78	6
18	16	78	6
19	15	78	7
20	15	78	7
21	15	78	7
22	14	78	8
23	14	78	8
24	14	78	8
25	13	78	9
26	13	78	9
27	13	78	9
28	13	78	9
29	13	78	9
30	13	78	9
31	13	78	9

	Avg high (°C)	Avg low (°C)
1	34	24
2	34	24
3	34	24
4	34	24
5	34	24
6	34	24
7	34	24
8	34	24
9	34	24
10	34	24
11	34	24
12	34	24
13	34	24
14	34	24
15	34	24
16	33	24
17	33	24
18	33	24
19	33	24
20	33	24
21	33	24
22	33	24
23	33	24
24	33	24
25	33	24
26	33	24
27	33	24
28	33	24
29	33	24
30	33	24
31	33	24

	Clearer (%)	Cloudier (%)
1	45	55
2	45	55
3	46	54
4	46	54
5	46	54
6	47	53
7	47	53
8	47	53
9	47	53
10	47	53
11	47	53
12	47	53
13	46	54
14	46	54
15	45	55
16	46	54
17	45	55
18	45	55
19	43	57
20	43	57
21	42	58
22	41	59
23	41	59
24	41	59
25	40	60
26	40	60
27	40	60
28	41	59
29	41	59
30	41	59
31	41	59

	Rain chance (%)
1	38
2	38
3	39
4	39
5	40
6	41
7	41
8	42
9	43
10	44
11	45
12	46
13	47
14	48
15	48
16	49
17	50
18	50
19	51
20	51
21	52
22	52
23	53
24	53
25	53
26	54
27	54
28	54
29	54
30	54
31	53

	Muggy (%)	Oppressive (%)	Miserable (%)
1	30	66	4
2	29	67	4
3	29	67	4
4	28	68	4
5	27	69	4
6	26	70	4
7	25	71	4
8	24	72	4
9	23	73	4
10	23	73	4
11	22	74	4
12	21	75	4
13	19	77	4
14	18	77	5
15	18	77	5
16	17	78	5
17	16	78	6
18	16	78	6
19	15	78	7
20	15	78	7
21	15	78	7
22	14	78	8
23	14	78	8
24	14	78	8
25	13	78	9
26	13	78	9
27	13	78	9
28	13	78	9
29	13	78	9
30	13	78	9
31	13	78	9

	Avg high (°C)	Avg low (°C)
1	34	24
2	34	24
3	34	24
4	34	24
5	34	24
6	34	24
7	34	24
8	34	24
9	34	24
10	34	24
11	34	24
12	34	24
13	34	24
14	34	24
15	34	24
16	33	24
17	33	24
18	33	24
19	33	24
20	33	24
21	33	24
22	33	24
23	33	24
24	33	24
25	33	24
26	33	24
27	33	24
28	33	24
29	33	24
30	33	24
31	33	24

	Clearer (%)	Cloudier (%)
1	45	55
2	45	55
3	46	54
4	46	54
5	46	54
6	47	53
7	47	53
8	47	53
9	47	53
10	47	53
11	47	53
12	47	53
13	46	54
14	46	54
15	45	55
16	46	54
17	45	55
18	45	55
19	43	57
20	43	57
21	42	58
22	41	59
23	41	59
24	41	59
25	40	60
26	40	60
27	40	60
28	41	59
29	41	59
30	41	59
31	41	59

	Rain chance (%)
1	38
2	38
3	39
4	39
5	40
6	41
7	41
8	42
9	43
10	44
11	45
12	46
13	47
14	48
15	48
16	49
17	50
18	50
19	51
20	51
21	52
22	52
23	53
24	53
25	53
26	54
27	54
28	54
29	54
30	54
31	53

	Muggy (%)	Oppressive (%)	Miserable (%)
1	30	66	4
2	29	67	4
3	29	67	4
4	28	68	4
5	27	69	4
6	26	70	4
7	25	71	4
8	24	72	4
9	23	73	4
10	23	73	4
11	22	74	4
12	21	75	4
13	19	77	4
14	18	77	5
15	18	77	5
16	17	78	5
17	16	78	6
18	16	78	6
19	15	78	7
20	15	78	7
21	15	78	7
22	14	78	8
23	14	78	8
24	14	78	8
25	13	78	9
26	13	78	9
27	13	78	9
28	13	78	9
29	13	78	9
30	13	78	9
31	13	78	9