Piranhas weather in May

In May, Piranhas sees average daytime highs of 30°C and overnight lows near 22°C, with 39 mm of rain across 9.9 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 30 min by month's end. Set against the rest of the year, May is Piranhas's 9th-clearest and 10th-windiest month. For the whole year in context, see Piranhas's year-round climate.

Daytime high: 30°; 9th warmest
Overnight low: 22°; 6th coldest
Rainfall: 39 mm; 9.9 wet days
Daylight: 11 h 36 min; 5:40 AM – 5:14 PM
Cloud cover: 59%; 9th clearest
Wind: 13 km/h; 10th windiest
Solar energy: 4.32 kWh/m²
Travel score: 4.9; out of 10

← April Piranhas year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 29°C by the end.

A typical May day in Piranhas reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

	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)	31	31	31	31	31	31	31	31	31	31	31	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	29	29	29	29
Avg low (°C)	23	23	23	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22

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

How May really feels in Piranhas

Once humidity and wind are folded in, May averages 23 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Piranhas weather by month

How May compares with the rest of the year at a glance. May is the 9th-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	34° / 23°	34	5.3	12.5	3.2
Feb	34° / 24°	36	6.4	12.3	3.3
Mar	34° / 24°	48	7.7	12.1	3.4
Apr	32° / 23°	38	8	11.8	4.0
May	30° / 22°	39	9.9	11.6	4.9
Jun	28° / 21°	33	10.8	11.4	5.8
Jul	28° / 20°	30	11.1	11.5	6.2
Aug	28° / 20°	21	7.6	11.7	6.1
Sep	31° / 21°	12	4.3	11.9	5.3
Oct	33° / 22°	10	2.1	12.2	4.3
Nov	34° / 23°	15	2.2	12.4	3.5
Dec	34° / 23°	19	3	12.6	3.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 29% of May, with mostly cloudy or overcast conditions the remaining 48%.

	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 (%)	50	51	51	51	51	51	52	53	53	53	54	53	52	53	52	51	51	51	50	50	51	50	50	51	51	51	53	53	53	55	55
Cloudier (%)	50	49	49	49	49	49	48	47	47	47	46	47	48	47	48	49	49	49	50	50	49	50	50	49	49	49	47	47	47	45	45

	Clearer (%)	Cloudier (%)
1	50	50
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	52	48
8	53	47
9	53	47
10	53	47
11	54	46
12	53	47
13	52	48
14	53	47
15	52	48
16	51	49
17	51	49
18	51	49
19	50	50
20	50	50
21	51	49
22	50	50
23	50	50
24	51	49
25	51	49
26	51	49
27	53	47
28	53	47
29	53	47
30	55	45
31	55	45

Chance of precipitation in May

Any precipitation

Piranhas gets around 39 mm of rain over 9.9 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 32% and peaks near 35% 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	31
Rain chance (%)	30	31	31	31	31	31	31	31	31	31	30	30	30	30	30	30	30	31	31	31	31	32	32	33	33	33	34	34	34	35	35

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

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 98% 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
Humid (%)	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Muggy (%)	51	51	52	52	52	53	54	54	55	55	56	56	56	56	56	56	56	57	57	57	58	59	60	61	62	64	65	67	69	71	73
Oppressive (%)	47	47	46	46	46	45	44	44	43	43	42	42	42	42	42	42	42	41	41	41	40	39	38	37	36	34	33	31	29	27	25

	Humid (%)	Muggy (%)	Oppressive (%)
1	2	51	47
2	2	51	47
3	2	52	46
4	2	52	46
5	2	52	46
6	2	53	45
7	2	54	44
8	2	54	44
9	2	55	43
10	2	55	43
11	2	56	42
12	2	56	42
13	2	56	42
14	2	56	42
15	2	56	42
16	2	56	42
17	2	56	42
18	2	57	41
19	2	57	41
20	2	57	41
21	2	58	40
22	2	59	39
23	2	60	38
24	2	61	37
25	2	62	36
26	2	64	34
27	2	65	33
28	2	67	31
29	2	69	29
30	2	71	27
31	2	73	25

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 14 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	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 5:38 AM to 5:44 AM, and sunset from 5:18 PM to 5:13 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)	11.7	11.7	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5
Sunrise (AM)	5:38	5:38	5:38	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:40	5:40	5:40	5:40	5:40	5:40	5:41	5:41	5:41	5:41	5:41	5:42	5:42	5:42	5:42	5:43	5:43	5:43	5:43	5:44	5:44
Sunset (PM)	5:18	5:18	5:17	5:17	5:17	5:16	5:16	5:16	5:16	5:15	5:15	5:15	5:15	5:14	5:14	5:14	5:14	5:14	5:14	5:14	5:13	5:13	5:13	5:13	5:13	5:13	5:13	5:13	5:13	5:13	5:13

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.7	5:38	5:18
2	11.7	5:38	5:18
3	11.6	5:38	5:17
4	11.6	5:39	5:17
5	11.6	5:39	5:17
6	11.6	5:39	5:16
7	11.6	5:39	5:16
8	11.6	5:39	5:16
9	11.6	5:39	5:16
10	11.6	5:39	5:15
11	11.6	5:40	5:15
12	11.6	5:40	5:15
13	11.6	5:40	5:15
14	11.6	5:40	5:14
15	11.6	5:40	5:14
16	11.6	5:40	5:14
17	11.6	5:41	5:14
18	11.5	5:41	5:14
19	11.5	5:41	5:14
20	11.5	5:41	5:14
21	11.5	5:41	5:13
22	11.5	5:42	5:13
23	11.5	5:42	5:13
24	11.5	5:42	5:13
25	11.5	5:42	5:13
26	11.5	5:43	5:13
27	11.5	5:43	5:13
28	11.5	5:43	5:13
29	11.5	5:43	5:13
30	11.5	5:44	5:13
31	11.5	5:44	5:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.32 kWh/m².

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 6.64 kWh/m² in November across the year — May's 4.32 kWh/m² sits near the bottom.

	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)	4.8	4.7	4.7	4.7	4.6	4.6	4.5	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.3	4.3	4.3	4.3	4.3	4.2	4.2	4.2	4.2	4.1	4.1	4.1	4.1	4.1	4.0	4.0	4.0
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	4.8	Bright
2	4.7	Bright
3	4.7	Bright
4	4.7	Bright
5	4.6	Bright
6	4.6	Bright
7	4.5	Bright
8	4.5	Bright
9	4.5	Bright
10	4.5	Bright
11	4.5	Bright
12	4.4	Bright
13	4.4	Bright
14	4.4	Bright
15	4.3	Bright
16	4.3	Bright
17	4.3	Bright
18	4.3	Bright
19	4.3	Bright
20	4.2	Bright
21	4.2	Bright
22	4.2	Bright
23	4.2	Bright
24	4.1	Bright
25	4.1	Bright
26	4.1	Bright
27	4.1	Bright
28	4.1	Bright
29	4.0	Bright
30	4.0	Bright
31	4.0	Bright

Planning a trip in May

Is May a good time to visit Piranhas?

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

4.9

Sightseeing

5th-best month of the year

6.8

Beach & pool

5th-best month of the year

May is a reasonable time to visit Piranhas for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Piranhas in May

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

In May, Piranhas sees daytime highs around 30°C and nights near 22°C. Pack light clothes. Worth having: rain gear. About 10 days see rain.

light clothesrain gear

UV index in Piranhas in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Piranhas peaks around February 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 9 (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)	14	15	15	13	10	9	9	10	11	13	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

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

Location & terrain

Where is Piranhas?

Piranhas sits at 9.6°S, 37.8°W, 73 m above sea level, in Brazil. The nearest listed city is Canindé de São Francisco, 5.0 km away.

Topography around Piranhas

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

Within 3 km, the terrain around Piranhas has only modest variations in elevation — a maximum elevation change of 215 m around an average of 133 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 520 m; within 80 km, large variations in elevation — a maximum elevation change of 835 m.

The land around Piranhas is covered by shrubs (54%) and grassland (27%) within 3 km, shrubs (48%) and grassland (34%) within 16 km, and grassland (53%) and shrubs (31%) within 80 km.

3 km

215 m

shrubs 54%

16 km

520 m

shrubs 48%

80 km

835 m

grassland 53%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

← April Piranhas year-round climate June →Best places to visit in May

May weather nearby: Canindé de São Francisco 5.0 km · Poço Redondo 22 km · Delmiro Gouveia 37 km · Pão de Açúcar 38 km · São José da Tapera 42 km · Inhapi 45 km · Água Branca 45 km · Olho d'Água das Flores 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 Piranhas (-9.6236°, -37.7567°, elevation 73 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	31	23
2	31	23
3	31	23
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	30	22
13	30	22
14	30	22
15	30	22
16	30	22
17	30	22
18	30	22
19	30	22
20	30	22
21	30	22
22	30	22
23	30	22
24	30	22
25	30	22
26	30	22
27	30	22
28	29	22
29	29	22
30	29	22
31	29	22

	Clearer (%)	Cloudier (%)
1	50	50
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	52	48
8	53	47
9	53	47
10	53	47
11	54	46
12	53	47
13	52	48
14	53	47
15	52	48
16	51	49
17	51	49
18	51	49
19	50	50
20	50	50
21	51	49
22	50	50
23	50	50
24	51	49
25	51	49
26	51	49
27	53	47
28	53	47
29	53	47
30	55	45
31	55	45

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	2	51	47
2	2	51	47
3	2	52	46
4	2	52	46
5	2	52	46
6	2	53	45
7	2	54	44
8	2	54	44
9	2	55	43
10	2	55	43
11	2	56	42
12	2	56	42
13	2	56	42
14	2	56	42
15	2	56	42
16	2	56	42
17	2	56	42
18	2	57	41
19	2	57	41
20	2	57	41
21	2	58	40
22	2	59	39
23	2	60	38
24	2	61	37
25	2	62	36
26	2	64	34
27	2	65	33
28	2	67	31
29	2	69	29
30	2	71	27
31	2	73	25

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

	Clearer (%)	Cloudier (%)
1	50	50
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	52	48
8	53	47
9	53	47
10	53	47
11	54	46
12	53	47
13	52	48
14	53	47
15	52	48
16	51	49
17	51	49
18	51	49
19	50	50
20	50	50
21	51	49
22	50	50
23	50	50
24	51	49
25	51	49
26	51	49
27	53	47
28	53	47
29	53	47
30	55	45
31	55	45

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	2	51	47
2	2	51	47
3	2	52	46
4	2	52	46
5	2	52	46
6	2	53	45
7	2	54	44
8	2	54	44
9	2	55	43
10	2	55	43
11	2	56	42
12	2	56	42
13	2	56	42
14	2	56	42
15	2	56	42
16	2	56	42
17	2	56	42
18	2	57	41
19	2	57	41
20	2	57	41
21	2	58	40
22	2	59	39
23	2	60	38
24	2	61	37
25	2	62	36
26	2	64	34
27	2	65	33
28	2	67	31
29	2	69	29
30	2	71	27
31	2	73	25

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

	Clearer (%)	Cloudier (%)
1	50	50
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	52	48
8	53	47
9	53	47
10	53	47
11	54	46
12	53	47
13	52	48
14	53	47
15	52	48
16	51	49
17	51	49
18	51	49
19	50	50
20	50	50
21	51	49
22	50	50
23	50	50
24	51	49
25	51	49
26	51	49
27	53	47
28	53	47
29	53	47
30	55	45
31	55	45

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	2	51	47
2	2	51	47
3	2	52	46
4	2	52	46
5	2	52	46
6	2	53	45
7	2	54	44
8	2	54	44
9	2	55	43
10	2	55	43
11	2	56	42
12	2	56	42
13	2	56	42
14	2	56	42
15	2	56	42
16	2	56	42
17	2	56	42
18	2	57	41
19	2	57	41
20	2	57	41
21	2	58	40
22	2	59	39
23	2	60	38
24	2	61	37
25	2	62	36
26	2	64	34
27	2	65	33
28	2	67	31
29	2	69	29
30	2	71	27
31	2	73	25