Boa Viagem weather in May

In May, Boa Viagem sees average daytime highs of 30°C and overnight lows near 22°C, with 69 mm of rain across 13.2 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 5th-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 27% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Boa Viagem's 8th-clearest and 10th-windiest month. For the whole year in context, see Boa Viagem's year-round climate.

Daytime high: 30°; 11th warmest
Overnight low: 22°; 4th coldest
Rainfall: 69 mm; 13.2 wet days
Daylight: 11 h 48 min; 5:42 AM – 5:28 PM
Cloud cover: 58%; 8th clearest
Wind: 10 km/h; 10th windiest
Solar energy: 4.87 kWh/m²
Travel score: 4.6; out of 10

← April Boa Viagem 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

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

A typical May day in Boa Viagem 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 32°C. Set against its neighbours, May runs on par with April and on par with 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)	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30
Avg low (°C)	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	22	22	22

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	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	30	22
29	30	22
30	30	22
31	30	22

How May really feels in Boa Viagem

Once humidity and wind are folded in, May averages 27 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.

Boa Viagem weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	32° / 23°	89	13.8	12.3	3.5
Feb	32° / 22°	82	15.6	12.2	3.5
Mar	31° / 22°	120	19.5	12	3.5
Apr	30° / 22°	109	20	11.9	3.7
May	30° / 22°	69	13.2	11.8	4.6
Jun	30° / 21°	31	8.2	11.7	5.3
Jul	31° / 21°	18	4.4	11.7	5.5
Aug	32° / 21°	8	2	11.8	5.1
Sep	33° / 22°	3	0.9	12	4.5
Oct	34° / 22°	9	0.8	12.1	4.0
Nov	34° / 23°	5	1.2	12.2	3.8
Dec	33° / 23°	20	4.6	12.3	3.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 26% of May, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up 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 (%)	40	41	41	44	45	45	47	47	49	49	50	50	51	51	53	53	54	55	56	57	57	59	60	60	61	62	63	64	65	64	65
Cloudier (%)	60	59	59	56	55	55	53	53	51	51	50	50	49	49	47	47	46	45	44	43	43	41	40	40	39	38	37	36	35	36	35

	Clearer (%)	Cloudier (%)
1	40	60
2	41	59
3	41	59
4	44	56
5	45	55
6	45	55
7	47	53
8	47	53
9	49	51
10	49	51
11	50	50
12	50	50
13	51	49
14	51	49
15	53	47
16	53	47
17	54	46
18	55	45
19	56	44
20	57	43
21	57	43
22	59	41
23	60	40
24	60	40
25	61	39
26	62	38
27	63	37
28	64	36
29	65	35
30	64	36
31	65	35

Chance of precipitation in May

Any precipitation

Boa Viagem gets around 69 mm of rain over 13.2 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 44% and peaks near 58% 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	31
Rain chance (%)	58	57	55	54	52	50	48	47	45	44	43	43	42	42	42	42	42	42	41	41	41	41	40	40	40	39	38	37	37	35	34

	Rain chance (%)
1	58
2	57
3	55
4	54
5	52
6	50
7	48
8	47
9	45
10	44
11	43
12	43
13	42
14	42
15	42
16	42
17	42
18	42
19	41
20	41
21	41
22	41
23	40
24	40
25	40
26	39
27	38
28	37
29	37
30	35
31	34

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 97% 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	3	3	3	3	3	3	3	3	3	3	3	3	3	3	4	4	4	4	5	6	6	7	8
Muggy (%)	29	31	33	34	36	38	40	42	44	45	47	48	50	51	52	53	54	55	56	57	59	60	60	62	63	65	66	66	68	69	70
Oppressive (%)	69	67	65	64	62	60	58	56	53	52	50	49	47	46	45	44	43	42	41	40	38	37	36	34	33	31	29	28	26	24	22

	Humid (%)	Muggy (%)	Oppressive (%)
1	2	29	69
2	2	31	67
3	2	33	65
4	2	34	64
5	2	36	62
6	2	38	60
7	2	40	58
8	2	42	56
9	3	44	53
10	3	45	52
11	3	47	50
12	3	48	49
13	3	50	47
14	3	51	46
15	3	52	45
16	3	53	44
17	3	54	43
18	3	55	42
19	3	56	41
20	3	57	40
21	3	59	38
22	3	60	37
23	4	60	36
24	4	62	34
25	4	63	33
26	4	65	31
27	5	66	29
28	6	66	28
29	6	68	26
30	7	69	24
31	8	70	22

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 11 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)	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	11	11	11	11
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	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	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 May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:41 AM to 5:45 AM, and sunset from 5:31 PM to 5:28 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)	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	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	11.7
Sunrise (AM)	5:41	5:41	5:41	5:41	5:41	5:41	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:43	5:43	5:43	5:43	5:43	5:43	5:44	5:44	5:44	5:44	5:44	5:45
Sunset (PM)	5:31	5:31	5:30	5:30	5:30	5:30	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.8	5:41	5:31
2	11.8	5:41	5:31
3	11.8	5:41	5:30
4	11.8	5:41	5:30
5	11.8	5:41	5:30
6	11.8	5:41	5:30
7	11.8	5:42	5:29
8	11.8	5:42	5:29
9	11.8	5:42	5:29
10	11.8	5:42	5:29
11	11.8	5:42	5:29
12	11.8	5:42	5:29
13	11.8	5:42	5:29
14	11.8	5:42	5:28
15	11.8	5:42	5:28
16	11.8	5:42	5:28
17	11.8	5:42	5:28
18	11.8	5:42	5:28
19	11.8	5:42	5:28
20	11.8	5:43	5:28
21	11.8	5:43	5:28
22	11.7	5:43	5:28
23	11.7	5:43	5:28
24	11.7	5:43	5:28
25	11.7	5:43	5:28
26	11.7	5:44	5:28
27	11.7	5:44	5:28
28	11.7	5:44	5:28
29	11.7	5:44	5:28
30	11.7	5:44	5:28
31	11.7	5:45	5:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.87 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 6.99 kWh/m² in October across the year — May's 4.87 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	4.8	4.8	4.8	4.8	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8
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	4.8	Bright
3	4.8	Bright
4	4.8	Bright
5	4.8	Bright
6	4.9	Bright
7	4.9	Bright
8	4.9	Bright
9	4.9	Bright
10	4.9	Bright
11	4.9	Bright
12	4.9	Bright
13	4.9	Bright
14	4.9	Bright
15	4.9	Bright
16	4.9	Bright
17	4.9	Bright
18	4.9	Bright
19	4.9	Bright
20	4.9	Bright
21	4.9	Bright
22	4.9	Bright
23	4.8	Bright
24	4.8	Bright
25	4.8	Bright
26	4.8	Bright
27	4.8	Bright
28	4.8	Bright
29	4.8	Bright
30	4.8	Bright
31	4.8	Bright

Planning a trip in May

Hazard calendar for Boa Viagem

In seasonPeak

In May, Boa Viagem sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Boa Viagem's rainy season runs January–May, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is May a good time to visit Boa Viagem?

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

4.6

Sightseeing

4th-best month of the year

6.3

Beach & pool

8th-best month of the year

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

What to pack for Boa Viagem in May

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

In May, Boa Viagem sees daytime highs around 30°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Boa Viagem in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Boa Viagem peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (extreme).

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	16	14	11	10	10	10	12	12	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	16	Extreme
Apr	14	Extreme
May	11	Extreme
Jun	10	Very high
Jul	10	Extreme
Aug	10	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	12	Extreme
Dec	12	Extreme

Location & terrain

Where is Boa Viagem?

Boa Viagem sits at 5.1°S, 39.7°W, 288 m above sea level, in Brazil. The nearest listed city is Madalena, 35 km away.

Topography around Boa Viagem

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

Within 3 km, the terrain around Boa Viagem has only modest variations in elevation — a maximum elevation change of 64 m around an average of 292 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 437 m; within 80 km, large variations in elevation — a maximum elevation change of 982 m.

The land around Boa Viagem is covered by grassland (50%) and shrubs (37%) within 3 km, shrubs (74%) and grassland (24%) within 16 km, and shrubs (75%) and grassland (21%) within 80 km.

3 km

64 m

grassland 50%

16 km

437 m

shrubs 74%

80 km

982 m

shrubs 75%

treesshrubsgrasslandcroplandartificial surfaces

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

May weather nearby: Madalena 35 km · Pedra Branca 36 km · Quixeramobim 49 km · Monsenhor Tabosa 53 km · Senador Pompeu 65 km · Itatira 68 km · Mombaça 69 km · Independência 70 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 Boa Viagem (-5.1275°, -39.7322°, elevation 288 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	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	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	30	22
29	30	22
30	30	22
31	30	22

	Clearer (%)	Cloudier (%)
1	40	60
2	41	59
3	41	59
4	44	56
5	45	55
6	45	55
7	47	53
8	47	53
9	49	51
10	49	51
11	50	50
12	50	50
13	51	49
14	51	49
15	53	47
16	53	47
17	54	46
18	55	45
19	56	44
20	57	43
21	57	43
22	59	41
23	60	40
24	60	40
25	61	39
26	62	38
27	63	37
28	64	36
29	65	35
30	64	36
31	65	35

	Rain chance (%)
1	58
2	57
3	55
4	54
5	52
6	50
7	48
8	47
9	45
10	44
11	43
12	43
13	42
14	42
15	42
16	42
17	42
18	42
19	41
20	41
21	41
22	41
23	40
24	40
25	40
26	39
27	38
28	37
29	37
30	35
31	34

	Humid (%)	Muggy (%)	Oppressive (%)
1	2	29	69
2	2	31	67
3	2	33	65
4	2	34	64
5	2	36	62
6	2	38	60
7	2	40	58
8	2	42	56
9	3	44	53
10	3	45	52
11	3	47	50
12	3	48	49
13	3	50	47
14	3	51	46
15	3	52	45
16	3	53	44
17	3	54	43
18	3	55	42
19	3	56	41
20	3	57	40
21	3	59	38
22	3	60	37
23	4	60	36
24	4	62	34
25	4	63	33
26	4	65	31
27	5	66	29
28	6	66	28
29	6	68	26
30	7	69	24
31	8	70	22

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	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	30	22
29	30	22
30	30	22
31	30	22

	Clearer (%)	Cloudier (%)
1	40	60
2	41	59
3	41	59
4	44	56
5	45	55
6	45	55
7	47	53
8	47	53
9	49	51
10	49	51
11	50	50
12	50	50
13	51	49
14	51	49
15	53	47
16	53	47
17	54	46
18	55	45
19	56	44
20	57	43
21	57	43
22	59	41
23	60	40
24	60	40
25	61	39
26	62	38
27	63	37
28	64	36
29	65	35
30	64	36
31	65	35

	Rain chance (%)
1	58
2	57
3	55
4	54
5	52
6	50
7	48
8	47
9	45
10	44
11	43
12	43
13	42
14	42
15	42
16	42
17	42
18	42
19	41
20	41
21	41
22	41
23	40
24	40
25	40
26	39
27	38
28	37
29	37
30	35
31	34

	Humid (%)	Muggy (%)	Oppressive (%)
1	2	29	69
2	2	31	67
3	2	33	65
4	2	34	64
5	2	36	62
6	2	38	60
7	2	40	58
8	2	42	56
9	3	44	53
10	3	45	52
11	3	47	50
12	3	48	49
13	3	50	47
14	3	51	46
15	3	52	45
16	3	53	44
17	3	54	43
18	3	55	42
19	3	56	41
20	3	57	40
21	3	59	38
22	3	60	37
23	4	60	36
24	4	62	34
25	4	63	33
26	4	65	31
27	5	66	29
28	6	66	28
29	6	68	26
30	7	69	24
31	8	70	22

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	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	30	22
29	30	22
30	30	22
31	30	22

	Clearer (%)	Cloudier (%)
1	40	60
2	41	59
3	41	59
4	44	56
5	45	55
6	45	55
7	47	53
8	47	53
9	49	51
10	49	51
11	50	50
12	50	50
13	51	49
14	51	49
15	53	47
16	53	47
17	54	46
18	55	45
19	56	44
20	57	43
21	57	43
22	59	41
23	60	40
24	60	40
25	61	39
26	62	38
27	63	37
28	64	36
29	65	35
30	64	36
31	65	35

	Rain chance (%)
1	58
2	57
3	55
4	54
5	52
6	50
7	48
8	47
9	45
10	44
11	43
12	43
13	42
14	42
15	42
16	42
17	42
18	42
19	41
20	41
21	41
22	41
23	40
24	40
25	40
26	39
27	38
28	37
29	37
30	35
31	34

	Humid (%)	Muggy (%)	Oppressive (%)
1	2	29	69
2	2	31	67
3	2	33	65
4	2	34	64
5	2	36	62
6	2	38	60
7	2	40	58
8	2	42	56
9	3	44	53
10	3	45	52
11	3	47	50
12	3	48	49
13	3	50	47
14	3	51	46
15	3	52	45
16	3	53	44
17	3	54	43
18	3	55	42
19	3	56	41
20	3	57	40
21	3	59	38
22	3	60	37
23	4	60	36
24	4	62	34
25	4	63	33
26	4	65	31
27	5	66	29
28	6	66	28
29	6	68	26
30	7	69	24
31	8	70	22