Cairu weather in April

In April, Cairu sees average daytime highs of 28°C and overnight lows near 24°C, with 141 mm of rain across 23.6 wet days and about 11.7 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 32% 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 30 min by month's end. Set against the rest of the year, April is Cairu's 9th-clearest and 10th-windiest month. For the whole year in context, see Cairu's year-round climate.

Daytime high: 28°; 5th warmest
Overnight low: 24°; 8th coldest
Rainfall: 141 mm; 23.6 wet days
Daylight: 11 h 42 min; 5:45 AM – 5:27 PM
Cloud cover: 56%; 9th clearest
Wind: 11 km/h; 10th windiest
Solar energy: 4.88 kWh/m²
Travel score: 4.2; out of 10

← March Cairu 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 28°C through the month.

A typical April day in Cairu reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, April runs about 1°C cooler than March and about 1°C warmer than 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)	29	29	29	29	29	29	29	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28
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	29	24
2	29	24
3	29	24
4	29	24
5	29	24
6	29	24
7	29	24
8	28	24
9	28	24
10	28	24
11	28	24
12	28	24
13	28	24
14	28	24
15	28	24
16	28	24
17	28	24
18	28	24
19	28	24
20	28	24
21	28	24
22	28	24
23	28	24
24	28	23
25	28	23
26	28	23
27	28	23
28	28	23
29	28	23
30	28	23

How April really feels in Cairu

Once humidity and wind are folded in, April averages 4 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.

Cairu weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 24°	87	19.4	12.7	4.5
Feb	29° / 24°	77	19.7	12.4	4.2
Mar	29° / 24°	106	22.2	12.1	4.1
Apr	28° / 24°	141	23.6	11.7	4.2
May	27° / 23°	149	22	11.4	4.8
Jun	26° / 22°	150	23.2	11.2	4.8
Jul	25° / 21°	131	23.3	11.3	5.0
Aug	25° / 21°	104	21.1	11.6	5.3
Sep	26° / 22°	84	18.3	11.9	5.5
Oct	27° / 23°	79	17.8	12.3	5.5
Nov	28° / 23°	99	18	12.6	5.1
Dec	28° / 24°	74	16.1	12.8	5.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 27% of April, with mostly cloudy or overcast conditions the remaining 41%.

	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 (%)	61	60	60	60	59	59	59	59	59	58	57	57	57	57	57	58	58	58	58	58	59	59	59	59	60	60	60	60	62	62
Cloudier (%)	39	40	40	40	41	41	41	41	41	42	43	43	43	43	43	42	42	42	42	42	41	41	41	41	40	40	40	40	38	38

	Clearer (%)	Cloudier (%)
1	61	39
2	60	40
3	60	40
4	60	40
5	59	41
6	59	41
7	59	41
8	59	41
9	59	41
10	58	42
11	57	43
12	57	43
13	57	43
14	57	43
15	57	43
16	58	42
17	58	42
18	58	42
19	58	42
20	58	42
21	59	41
22	59	41
23	59	41
24	59	41
25	60	40
26	60	40
27	60	40
28	60	40
29	62	38
30	62	38

Chance of precipitation in April

Any precipitation

Cairu gets around 141 mm of rain over 23.6 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 79% and peaks near 82% on the wettest days.

	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 (%)	76	76	76	76	76	76	76	76	77	77	78	79	79	80	80	81	81	81	82	82	82	81	81	81	81	81	81	80	80	80

	Rain chance (%)
1	76
2	76
3	76
4	76
5	76
6	76
7	76
8	76
9	77
10	77
11	78
12	79
13	79
14	80
15	80
16	81
17	81
18	81
19	82
20	82
21	82
22	81
23	81
24	81
25	81
26	81
27	81
28	80
29	80
30	80

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 90% 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
Muggy (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	3	3	3	4	4	5	5	6	6	6	7	7	8	8
Oppressive (%)	88	88	88	88	88	88	88	89	89	89	89	90	90	90	90	91	90	91	91	91	91	91	91	91	91	91	91	91	90	91
Miserable (%)	11	11	11	11	11	11	11	10	10	10	10	9	9	8	8	7	7	6	6	5	5	4	4	3	3	3	2	2	2	1

	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	88	11
2	1	88	11
3	1	88	11
4	1	88	11
5	1	88	11
6	1	88	11
7	1	88	11
8	1	89	10
9	1	89	10
10	1	89	10
11	1	89	10
12	1	90	9
13	1	90	9
14	2	90	8
15	2	90	8
16	2	91	7
17	3	90	7
18	3	91	6
19	3	91	6
20	4	91	5
21	4	91	5
22	5	91	4
23	5	91	4
24	6	91	3
25	6	91	3
26	6	91	3
27	7	91	2
28	7	91	2
29	8	90	2
30	8	91	1

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	10	10	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	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	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	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	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	12	calm
26	12	calm
27	12	calm
28	12	calm
29	12	calm
30	12	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over April. Sunrise moves from 5:44 AM to 5:47 AM, and sunset from 5:37 PM to 5:20 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	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.5	11.5
Sunrise (AM)	5:44	5:44	5:44	5:44	5:44	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:46	5:46	5:46	5:46	5:46	5:46	5:46	5:46	5:47	5:47	5:47	5:47	5:47	5:47
Sunset (PM)	5:37	5:37	5:36	5:35	5:35	5:34	5:33	5:33	5:32	5:31	5:31	5:30	5:29	5:29	5:28	5:27	5:27	5:26	5:26	5:25	5:24	5:24	5:23	5:23	5:22	5:22	5:21	5:21	5:20	5:20

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.9	5:44	5:37
2	11.9	5:44	5:37
3	11.9	5:44	5:36
4	11.8	5:44	5:35
5	11.8	5:44	5:35
6	11.8	5:45	5:34
7	11.8	5:45	5:33
8	11.8	5:45	5:33
9	11.8	5:45	5:32
10	11.8	5:45	5:31
11	11.8	5:45	5:31
12	11.7	5:45	5:30
13	11.7	5:45	5:29
14	11.7	5:45	5:29
15	11.7	5:45	5:28
16	11.7	5:45	5:27
17	11.7	5:46	5:27
18	11.7	5:46	5:26
19	11.7	5:46	5:26
20	11.7	5:46	5:25
21	11.6	5:46	5:24
22	11.6	5:46	5:24
23	11.6	5:46	5:23
24	11.6	5:46	5:23
25	11.6	5:47	5:22
26	11.6	5:47	5:22
27	11.6	5:47	5:21
28	11.6	5:47	5:21
29	11.5	5:47	5:20
30	11.5	5:47	5:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.88 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.24 kWh/m² in January across the year — April's 4.88 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)	5.4	5.3	5.3	5.3	5.2	5.2	5.2	5.1	5.1	5.1	5.0	5.0	5.0	4.9	4.9	4.8	4.8	4.8	4.8	4.7	4.7	4.7	4.6	4.6	4.5	4.5	4.5	4.5	4.4	4.4
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	5.4	Bright
2	5.3	Bright
3	5.3	Bright
4	5.3	Bright
5	5.2	Bright
6	5.2	Bright
7	5.2	Bright
8	5.1	Bright
9	5.1	Bright
10	5.1	Bright
11	5.0	Bright
12	5.0	Bright
13	5.0	Bright
14	4.9	Bright
15	4.9	Bright
16	4.8	Bright
17	4.8	Bright
18	4.8	Bright
19	4.8	Bright
20	4.7	Bright
21	4.7	Bright
22	4.7	Bright
23	4.6	Bright
24	4.6	Bright
25	4.5	Bright
26	4.5	Bright
27	4.5	Bright
28	4.5	Bright
29	4.4	Bright
30	4.4	Bright

Planning a trip in April

Is April a good time to visit Cairu?

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

4.2

Sightseeing

10th-best month of the year

4.8

Beach & pool

10th-best month of the year

April is a reasonable time to visit Cairu for sightseeing.

What to pack for Cairu in April

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

In April, Cairu sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Cairu in April

The nearest coast averages about 28°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	28	28	28	28	27	26	26	25	26	26	27	27
Comfort	Warm	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Warm	Warm	Warm

	Sea temperature (°C)	Comfort
Jan	28	Warm
Feb	28	Tropical
Mar	28	Tropical
Apr	28	Tropical
May	27	Warm
Jun	26	Warm
Jul	26	Warm
Aug	25	Warm
Sep	26	Warm
Oct	26	Warm
Nov	27	Warm
Dec	27	Warm

UV index in Cairu in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Cairu peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (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	14	12	9	8	8	10	11	13	13	12
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	14	Extreme
Apr	12	Extreme
May	9	Very high
Jun	8	Very high
Jul	8	Very high
Aug	10	Very high
Sep	11	Extreme
Oct	13	Extreme
Nov	13	Extreme
Dec	12	Extreme

Location & terrain

Where is Cairu?

Cairu sits at 13.5°S, 39.0°W, 17 m above sea level, in Brazil. The nearest listed city is Taperoá, 8.0 km away.

Topography around Cairu

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

Within 3 km, the terrain around Cairu has only modest variations in elevation — a maximum elevation change of 55 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 212 m; within 80 km, large variations in elevation — a maximum elevation change of 898 m.

The land around Cairu is covered by mangroves (33%), trees (32%) and water (31%) within 3 km, trees (59%) within 16 km, and trees (48%) and water (32%) within 80 km.

3 km

55 m

mangroves 33%

16 km

212 m

trees 59%

80 km

898 m

trees 48%

treesgrasslandartificial surfaceswaterwetlandmangroves

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

April weather nearby: Taperoá 8.0 km · Valença 13 km · Ituberá 30 km · Presidente Tancredo Neves 41 km · Jaguaripe 45 km · Teolândia 50 km · Nazaré 50 km · Camamu 52 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 Cairu (-13.4869°, -39.0439°, elevation 17 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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	29	24
2	29	24
3	29	24
4	29	24
5	29	24
6	29	24
7	29	24
8	28	24
9	28	24
10	28	24
11	28	24
12	28	24
13	28	24
14	28	24
15	28	24
16	28	24
17	28	24
18	28	24
19	28	24
20	28	24
21	28	24
22	28	24
23	28	24
24	28	23
25	28	23
26	28	23
27	28	23
28	28	23
29	28	23
30	28	23

	Clearer (%)	Cloudier (%)
1	61	39
2	60	40
3	60	40
4	60	40
5	59	41
6	59	41
7	59	41
8	59	41
9	59	41
10	58	42
11	57	43
12	57	43
13	57	43
14	57	43
15	57	43
16	58	42
17	58	42
18	58	42
19	58	42
20	58	42
21	59	41
22	59	41
23	59	41
24	59	41
25	60	40
26	60	40
27	60	40
28	60	40
29	62	38
30	62	38

	Rain chance (%)
1	76
2	76
3	76
4	76
5	76
6	76
7	76
8	76
9	77
10	77
11	78
12	79
13	79
14	80
15	80
16	81
17	81
18	81
19	82
20	82
21	82
22	81
23	81
24	81
25	81
26	81
27	81
28	80
29	80
30	80

	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	88	11
2	1	88	11
3	1	88	11
4	1	88	11
5	1	88	11
6	1	88	11
7	1	88	11
8	1	89	10
9	1	89	10
10	1	89	10
11	1	89	10
12	1	90	9
13	1	90	9
14	2	90	8
15	2	90	8
16	2	91	7
17	3	90	7
18	3	91	6
19	3	91	6
20	4	91	5
21	4	91	5
22	5	91	4
23	5	91	4
24	6	91	3
25	6	91	3
26	6	91	3
27	7	91	2
28	7	91	2
29	8	90	2
30	8	91	1

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

	Clearer (%)	Cloudier (%)
1	61	39
2	60	40
3	60	40
4	60	40
5	59	41
6	59	41
7	59	41
8	59	41
9	59	41
10	58	42
11	57	43
12	57	43
13	57	43
14	57	43
15	57	43
16	58	42
17	58	42
18	58	42
19	58	42
20	58	42
21	59	41
22	59	41
23	59	41
24	59	41
25	60	40
26	60	40
27	60	40
28	60	40
29	62	38
30	62	38

	Rain chance (%)
1	76
2	76
3	76
4	76
5	76
6	76
7	76
8	76
9	77
10	77
11	78
12	79
13	79
14	80
15	80
16	81
17	81
18	81
19	82
20	82
21	82
22	81
23	81
24	81
25	81
26	81
27	81
28	80
29	80
30	80

	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	88	11
2	1	88	11
3	1	88	11
4	1	88	11
5	1	88	11
6	1	88	11
7	1	88	11
8	1	89	10
9	1	89	10
10	1	89	10
11	1	89	10
12	1	90	9
13	1	90	9
14	2	90	8
15	2	90	8
16	2	91	7
17	3	90	7
18	3	91	6
19	3	91	6
20	4	91	5
21	4	91	5
22	5	91	4
23	5	91	4
24	6	91	3
25	6	91	3
26	6	91	3
27	7	91	2
28	7	91	2
29	8	90	2
30	8	91	1

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

	Clearer (%)	Cloudier (%)
1	61	39
2	60	40
3	60	40
4	60	40
5	59	41
6	59	41
7	59	41
8	59	41
9	59	41
10	58	42
11	57	43
12	57	43
13	57	43
14	57	43
15	57	43
16	58	42
17	58	42
18	58	42
19	58	42
20	58	42
21	59	41
22	59	41
23	59	41
24	59	41
25	60	40
26	60	40
27	60	40
28	60	40
29	62	38
30	62	38

	Rain chance (%)
1	76
2	76
3	76
4	76
5	76
6	76
7	76
8	76
9	77
10	77
11	78
12	79
13	79
14	80
15	80
16	81
17	81
18	81
19	82
20	82
21	82
22	81
23	81
24	81
25	81
26	81
27	81
28	80
29	80
30	80

	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	88	11
2	1	88	11
3	1	88	11
4	1	88	11
5	1	88	11
6	1	88	11
7	1	88	11
8	1	89	10
9	1	89	10
10	1	89	10
11	1	89	10
12	1	90	9
13	1	90	9
14	2	90	8
15	2	90	8
16	2	91	7
17	3	90	7
18	3	91	6
19	3	91	6
20	4	91	5
21	4	91	5
22	5	91	4
23	5	91	4
24	6	91	3
25	6	91	3
26	6	91	3
27	7	91	2
28	7	91	2
29	8	90	2
30	8	91	1