Caicó weather in April

In April, Caicó sees average daytime highs of 34°C and overnight lows near 24°C, with 67 mm of rain across 10.3 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 48 min by month's end. Set against the rest of the year, April is Caicó's 12th-clearest and 11th-windiest month. For the whole year in context, see Caicó's year-round climate.

Daytime high: 34°; 8th warmest
Overnight low: 24°; 8th coldest
Rainfall: 67 mm; 10.3 wet days
Daylight: 11 h 54 min; 5:33 AM – 5:24 PM
Cloud cover: 62%; 12th clearest
Wind: 11 km/h; 11th windiest
Solar energy: 5.65 kWh/m²
Travel score: 3.1; out of 10

Caicó is human settlement in Brazil.

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

← March Caicó year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical April day in Caicó reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°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, April runs on par with March and on par with May.

	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
Avg high (°C)	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34
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	23	23	23	23	23	23	23

	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	34	24
17	34	24
18	34	24
19	34	24
20	34	24
21	34	24
22	34	24
23	34	24
24	34	23
25	34	23
26	34	23
27	34	23
28	34	23
29	34	23
30	34	23

How April really feels in Caicó

Once humidity and wind are folded in, April averages 30 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 April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Caicó weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	35° / 24°	59	7	12.3	2.6
Feb	35° / 24°	56	8.4	12.2	2.6
Mar	34° / 24°	101	11.8	12	2.7
Apr	34° / 24°	67	10.3	11.9	3.1
May	33° / 23°	30	5.5	11.7	3.6
Jun	32° / 22°	19	3.4	11.6	4.4
Jul	32° / 21°	12	2	11.7	4.6
Aug	33° / 21°	5	0.4	11.8	4.3
Sep	35° / 22°	1	0.1	12	3.4
Oct	36° / 23°	4	0.3	12.1	2.7
Nov	36° / 23°	1	0.2	12.3	2.5
Dec	36° / 24°	11	1.9	12.4	2.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of April, with mostly cloudy or overcast conditions the remaining 54%.

	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
Clearer (%)	46	46	46	46	46	46	47	46	47	47	46	46	47	47	46	46	46	45	46	46	46	47	46	46	46	45	46	45	45	46
Cloudier (%)	54	54	54	54	54	54	53	54	53	53	54	54	53	53	54	54	54	55	54	54	54	53	54	54	54	55	54	55	55	54

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

Chance of precipitation in April

Any precipitation

Caicó gets around 67 mm of rain over 10.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 42% on the wettest days. The odds ease 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
Rain chance (%)	42	41	40	40	39	38	38	37	36	36	36	35	35	35	35	34	34	34	33	33	33	33	33	33	33	32	32	31	30	30

	Rain chance (%)
1	42
2	41
3	40
4	40
5	39
6	38
7	38
8	37
9	36
10	36
11	36
12	35
13	35
14	35
15	35
16	34
17	34
18	34
19	33
20	33
21	33
22	33
23	33
24	33
25	33
26	32
27	32
28	31
29	30
30	30

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 91% 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
Humid (%)	6	7	7	7	7	8	8	8	8	9	9	9	9	9	9	9	9	9	8	8	8	8	8	9	9	9	9	9	10	10
Muggy (%)	37	37	37	37	38	38	39	39	40	40	41	41	41	42	42	42	43	43	44	45	45	46	46	47	47	48	48	49	50	51
Oppressive (%)	57	56	56	56	55	54	53	53	52	51	50	50	50	49	49	49	48	48	47	47	46	45	45	44	44	43	42	41	40	39

	Humid (%)	Muggy (%)	Oppressive (%)
1	6	37	57
2	7	37	56
3	7	37	56
4	7	37	56
5	7	38	55
6	8	38	54
7	8	39	53
8	8	39	53
9	8	40	52
10	9	40	51
11	9	41	50
12	9	41	50
13	9	41	50
14	9	42	49
15	9	42	49
16	9	42	49
17	9	43	48
18	9	43	48
19	8	44	47
20	8	45	47
21	8	45	46
22	8	46	45
23	8	46	45
24	9	47	44
25	9	47	44
26	9	48	43
27	9	48	42
28	9	49	41
29	10	50	40
30	10	51	39

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 12 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
Wind speed (km/h)	10	10	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April 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 April. Sunrise moves from 5:35 AM to 5:32 AM, and sunset from 5:31 PM to 5:19 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
Daylight (h)	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8
Sunrise (AM)	5:35	5:35	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:32	5:32	5:32	5:32	5:32	5:32	5:32	5:32	5:32
Sunset (PM)	5:31	5:31	5:30	5:30	5:29	5:29	5:28	5:28	5:28	5:27	5:27	5:26	5:26	5:25	5:25	5:24	5:24	5:24	5:23	5:23	5:22	5:22	5:22	5:21	5:21	5:20	5:20	5:20	5:19	5:19

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.9	5:35	5:31
2	11.9	5:35	5:31
3	11.9	5:34	5:30
4	11.9	5:34	5:30
5	11.9	5:34	5:29
6	11.9	5:34	5:29
7	11.9	5:34	5:28
8	11.9	5:34	5:28
9	11.9	5:34	5:28
10	11.9	5:33	5:27
11	11.9	5:33	5:27
12	11.9	5:33	5:26
13	11.9	5:33	5:26
14	11.9	5:33	5:25
15	11.9	5:33	5:25
16	11.9	5:33	5:24
17	11.9	5:33	5:24
18	11.8	5:33	5:24
19	11.8	5:33	5:23
20	11.8	5:33	5:23
21	11.8	5:33	5:22
22	11.8	5:32	5:22
23	11.8	5:32	5:22
24	11.8	5:32	5:21
25	11.8	5:32	5:21
26	11.8	5:32	5:20
27	11.8	5:32	5:20
28	11.8	5:32	5:20
29	11.8	5:32	5:19
30	11.8	5:32	5:19

Solar energy in April

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 7.09 kWh/m² in October across the year — April'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
Solar energy (kWh/m²)	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.7	5.7	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	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

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

Planning a trip in April

Is April a good time to visit Caicó?

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

3.1

Sightseeing

6th-best month of the year

5.9

Beach & pool

8th-best month of the year

April is a weaker month for outdoor sightseeing in Caicó.

What to pack for Caicó in April

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

In April, Caicó sees daytime highs around 34°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Caicó in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Caicó peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 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	15	15	14	11	10	10	10	12	12	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

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

Air quality in Caicó in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Caicó is worst in October — around 21 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (July, 5 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	12	9	8	8	7	6	5	13	20	21	19	16
Level	Moderate	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	12	Moderate
Feb	9	Good
Mar	8	Good
Apr	8	Good
May	7	Good
Jun	6	Good
Jul	5	Good
Aug	13	Moderate
Sep	20	Moderate
Oct	21	Moderate
Nov	19	Moderate
Dec	16	Moderate

Location & terrain

Where is Caicó?

Caicó sits at 6.5°S, 37.1°W, 161 m above sea level, in Brazil. The nearest listed city is Jucurutu, 48 km away.

Topography around Caicó

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

Within 3 km, the terrain around Caicó has only modest variations in elevation — a maximum elevation change of 54 m around an average of 162 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 499 m; within 80 km, large variations in elevation — a maximum elevation change of 867 m.

The land around Caicó is covered by shrubs (36%), grassland (31%) and artificial surfaces (27%) within 3 km, shrubs (69%) and grassland (26%) within 16 km, and shrubs (77%) within 80 km.

3 km

54 m

shrubs 36%

16 km

499 m

shrubs 69%

80 km

867 m

shrubs 77%

treesshrubsgrasslandcroplandartificial surfaceswater

← March Caicó year-round climate May →Best places to visit in April

April weather nearby: Jucurutu 48 km · Parelhas 55 km · Patos 66 km · Currais Novos 68 km · Catolé do Rocha 73 km · São Bento 75 km · Lagoa Nova 80 km · Picuí 83 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 Caicó (-6.4583°, -37.0978°, elevation 161 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).

	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	34	24
17	34	24
18	34	24
19	34	24
20	34	24
21	34	24
22	34	24
23	34	24
24	34	23
25	34	23
26	34	23
27	34	23
28	34	23
29	34	23
30	34	23

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

	Rain chance (%)
1	42
2	41
3	40
4	40
5	39
6	38
7	38
8	37
9	36
10	36
11	36
12	35
13	35
14	35
15	35
16	34
17	34
18	34
19	33
20	33
21	33
22	33
23	33
24	33
25	33
26	32
27	32
28	31
29	30
30	30

	Humid (%)	Muggy (%)	Oppressive (%)
1	6	37	57
2	7	37	56
3	7	37	56
4	7	37	56
5	7	38	55
6	8	38	54
7	8	39	53
8	8	39	53
9	8	40	52
10	9	40	51
11	9	41	50
12	9	41	50
13	9	41	50
14	9	42	49
15	9	42	49
16	9	42	49
17	9	43	48
18	9	43	48
19	8	44	47
20	8	45	47
21	8	45	46
22	8	46	45
23	8	46	45
24	9	47	44
25	9	47	44
26	9	48	43
27	9	48	42
28	9	49	41
29	10	50	40
30	10	51	39

	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	34	24
17	34	24
18	34	24
19	34	24
20	34	24
21	34	24
22	34	24
23	34	24
24	34	23
25	34	23
26	34	23
27	34	23
28	34	23
29	34	23
30	34	23

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

	Rain chance (%)
1	42
2	41
3	40
4	40
5	39
6	38
7	38
8	37
9	36
10	36
11	36
12	35
13	35
14	35
15	35
16	34
17	34
18	34
19	33
20	33
21	33
22	33
23	33
24	33
25	33
26	32
27	32
28	31
29	30
30	30

	Humid (%)	Muggy (%)	Oppressive (%)
1	6	37	57
2	7	37	56
3	7	37	56
4	7	37	56
5	7	38	55
6	8	38	54
7	8	39	53
8	8	39	53
9	8	40	52
10	9	40	51
11	9	41	50
12	9	41	50
13	9	41	50
14	9	42	49
15	9	42	49
16	9	42	49
17	9	43	48
18	9	43	48
19	8	44	47
20	8	45	47
21	8	45	46
22	8	46	45
23	8	46	45
24	9	47	44
25	9	47	44
26	9	48	43
27	9	48	42
28	9	49	41
29	10	50	40
30	10	51	39

	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	34	24
17	34	24
18	34	24
19	34	24
20	34	24
21	34	24
22	34	24
23	34	24
24	34	23
25	34	23
26	34	23
27	34	23
28	34	23
29	34	23
30	34	23

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

	Rain chance (%)
1	42
2	41
3	40
4	40
5	39
6	38
7	38
8	37
9	36
10	36
11	36
12	35
13	35
14	35
15	35
16	34
17	34
18	34
19	33
20	33
21	33
22	33
23	33
24	33
25	33
26	32
27	32
28	31
29	30
30	30

	Humid (%)	Muggy (%)	Oppressive (%)
1	6	37	57
2	7	37	56
3	7	37	56
4	7	37	56
5	7	38	55
6	8	38	54
7	8	39	53
8	8	39	53
9	8	40	52
10	9	40	51
11	9	41	50
12	9	41	50
13	9	41	50
14	9	42	49
15	9	42	49
16	9	42	49
17	9	43	48
18	9	43	48
19	8	44	47
20	8	45	47
21	8	45	46
22	8	46	45
23	8	46	45
24	9	47	44
25	9	47	44
26	9	48	43
27	9	48	42
28	9	49	41
29	10	50	40
30	10	51	39