Santa Bárbara weather in May

In May, Santa Bárbara sees average daytime highs of 29°C and overnight lows near 21°C, with 53 mm of rain across 14.6 wet days and about 11.5 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 24 min by month's end. Set against the rest of the year, May is Santa Bárbara's 9th-clearest and 8th-windiest month. For the whole year in context, see Santa Bárbara's year-round climate.

Daytime high: 29°; 9th warmest
Overnight low: 21°; 6th coldest
Rainfall: 53 mm; 14.6 wet days
Daylight: 11 h 30 min; 5:49 AM – 5:16 PM
Cloud cover: 61%; 9th clearest
Wind: 11 km/h; 8th windiest
Solar energy: 3.94 kWh/m²
Travel score: 4.9; out of 10

← April Santa Bárbara 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 29°C through the month.

A typical May day in Santa Bárbara reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°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)	30	30	30	30	30	30	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	28	28	28	28	28	28
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

	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	29	22
8	29	22
9	29	22
10	29	22
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	28	21
27	28	21
28	28	21
29	28	21
30	28	21
31	28	21

How May really feels in Santa Bárbara

Once humidity and wind are folded in, May averages 7 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.

Santa Bárbara weather by month

How May compares with the rest of the year at a glance. May is the 9th-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	33° / 23°	55	8.8	12.6	3.5
Feb	33° / 23°	40	9.5	12.4	3.4
Mar	33° / 23°	54	11.9	12.1	3.4
Apr	31° / 22°	53	14.7	11.7	3.9
May	29° / 21°	53	14.6	11.5	4.9
Jun	27° / 20°	48	16.4	11.3	5.5
Jul	27° / 19°	39	14.2	11.4	5.9
Aug	28° / 19°	32	12.9	11.6	5.8
Sep	30° / 20°	25	8.8	11.9	5.3
Oct	32° / 21°	25	6.2	12.3	4.6
Nov	32° / 22°	44	7.4	12.6	4.0
Dec	33° / 23°	39	7.3	12.7	3.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 32% of May, with mostly cloudy or overcast conditions the remaining 50%.

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

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

Chance of precipitation in May

Any precipitation

Santa Bárbara gets around 53 mm of rain over 14.6 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 48% and peaks near 51% 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 (%)	51	51	51	51	50	50	49	49	48	47	47	46	46	46	45	45	45	45	45	46	46	46	46	47	47	48	48	49	50	50	51

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

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 51% 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 (%)	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	3	3	3	3	3	3	3	3	3	3	3	3	3
Muggy (%)	37	38	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	53	54	55	56	57	58	59	60	61	62	63	64	66
Oppressive (%)	62	61	61	60	59	58	57	56	55	54	52	51	50	49	48	47	46	45	44	43	42	41	40	39	38	37	36	35	34	33	31

	Humid (%)	Muggy (%)	Oppressive (%)
1	1	37	62
2	1	38	61
3	1	38	61
4	1	39	60
5	1	40	59
6	1	41	58
7	1	42	57
8	1	43	56
9	1	44	55
10	1	45	54
11	2	46	52
12	2	47	51
13	2	48	50
14	2	49	49
15	2	50	48
16	2	51	47
17	2	52	46
18	2	53	45
19	3	53	44
20	3	54	43
21	3	55	42
22	3	56	41
23	3	57	40
24	3	58	39
25	3	59	38
26	3	60	37
27	3	61	36
28	3	62	35
29	3	63	34
30	3	64	33
31	3	66	31

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 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	31
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	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	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	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	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	12	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 24 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 5:46 AM to 5:53 AM, and sunset from 5:21 PM to 5:14 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)	11.6	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	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4
Sunrise (AM)	5:46	5:46	5:46	5:46	5:46	5:46	5:47	5:47	5:47	5:47	5:47	5:48	5:48	5:48	5:48	5:49	5:49	5:49	5:49	5:50	5:50	5:50	5:50	5:51	5:51	5:51	5:51	5:52	5:52	5:52	5:53
Sunset (PM)	5:21	5:20	5:20	5:19	5:19	5:19	5:18	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	5:15	5:15	5:14	5:14	5:14	5:14	5:14	5:14	5:14	5:14	5:14

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	5:46	5:21
2	11.6	5:46	5:20
3	11.6	5:46	5:20
4	11.6	5:46	5:19
5	11.5	5:46	5:19
6	11.5	5:46	5:19
7	11.5	5:47	5:18
8	11.5	5:47	5:18
9	11.5	5:47	5:18
10	11.5	5:47	5:17
11	11.5	5:47	5:17
12	11.5	5:48	5:17
13	11.5	5:48	5:16
14	11.5	5:48	5:16
15	11.5	5:48	5:16
16	11.5	5:49	5:16
17	11.4	5:49	5:15
18	11.4	5:49	5:15
19	11.4	5:49	5:15
20	11.4	5:50	5:15
21	11.4	5:50	5:15
22	11.4	5:50	5:15
23	11.4	5:50	5:14
24	11.4	5:51	5:14
25	11.4	5:51	5:14
26	11.4	5:51	5:14
27	11.4	5:51	5:14
28	11.4	5:52	5:14
29	11.4	5:52	5:14
30	11.4	5:52	5:14
31	11.4	5:53	5:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.94 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.04 kWh/m² in December across the year — May's 3.94 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)	4.3	4.3	4.2	4.2	4.2	4.1	4.1	4.1	4.0	4.0	4.0	4.0	4.0	4.0	3.9	3.9	3.9	3.9	3.9	3.9	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.7	3.7	3.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.3	Bright
2	4.3	Bright
3	4.2	Bright
4	4.2	Bright
5	4.2	Bright
6	4.1	Bright
7	4.1	Bright
8	4.1	Bright
9	4.0	Bright
10	4.0	Bright
11	4.0	Bright
12	4.0	Moderate
13	4.0	Moderate
14	4.0	Moderate
15	3.9	Moderate
16	3.9	Moderate
17	3.9	Moderate
18	3.9	Moderate
19	3.9	Moderate
20	3.9	Moderate
21	3.8	Moderate
22	3.8	Moderate
23	3.8	Moderate
24	3.8	Moderate
25	3.8	Moderate
26	3.8	Moderate
27	3.8	Moderate
28	3.8	Moderate
29	3.7	Moderate
30	3.7	Moderate
31	3.7	Moderate

Planning a trip in May

Is May a good time to visit Santa Bárbara?

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

6.2

Beach & pool

7th-best month of the year

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

What to pack for Santa Bárbara in May

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

In May, Santa Bárbara sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. About 15 days see rain.

light clothesrain gear

UV index in Santa Bárbara in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Bárbara peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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	14	12	9	9	9	10	11	12	13	12
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

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

Location & terrain

Where is Santa Bárbara?

Santa Bárbara sits at 12.0°S, 39.0°W, 277 m above sea level, in Brazil. The nearest listed city is Irará, 25 km away.

Topography around Santa Bárbara

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

Within 3 km, the terrain around Santa Bárbara has only modest variations in elevation — a maximum elevation change of 97 m around an average of 255 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 386 m; within 80 km, large variations in elevation — a maximum elevation change of 626 m.

The land around Santa Bárbara is covered by grassland (76%) within 3 km, grassland (85%) within 16 km, and grassland (73%) within 80 km.

3 km

97 m

grassland 76%

16 km

386 m

grassland 85%

80 km

626 m

grassland 73%

treesshrubsgrasslandcroplandartificial surfaceswater

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

May weather nearby: Irará 25 km · Serrinha 33 km · Feira de Santana 34 km · Coração de Maria 39 km · Biritinga 42 km · Serra Preta 45 km · Conceição do Jacuípe 46 km · Riachão do Jacuípe 48 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 Santa Bárbara (-11.9583°, -38.975°, elevation 277 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	29	22
8	29	22
9	29	22
10	29	22
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	28	21
27	28	21
28	28	21
29	28	21
30	28	21
31	28	21

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

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	1	37	62
2	1	38	61
3	1	38	61
4	1	39	60
5	1	40	59
6	1	41	58
7	1	42	57
8	1	43	56
9	1	44	55
10	1	45	54
11	2	46	52
12	2	47	51
13	2	48	50
14	2	49	49
15	2	50	48
16	2	51	47
17	2	52	46
18	2	53	45
19	3	53	44
20	3	54	43
21	3	55	42
22	3	56	41
23	3	57	40
24	3	58	39
25	3	59	38
26	3	60	37
27	3	61	36
28	3	62	35
29	3	63	34
30	3	64	33
31	3	66	31

	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	29	22
8	29	22
9	29	22
10	29	22
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	28	21
27	28	21
28	28	21
29	28	21
30	28	21
31	28	21

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

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	1	37	62
2	1	38	61
3	1	38	61
4	1	39	60
5	1	40	59
6	1	41	58
7	1	42	57
8	1	43	56
9	1	44	55
10	1	45	54
11	2	46	52
12	2	47	51
13	2	48	50
14	2	49	49
15	2	50	48
16	2	51	47
17	2	52	46
18	2	53	45
19	3	53	44
20	3	54	43
21	3	55	42
22	3	56	41
23	3	57	40
24	3	58	39
25	3	59	38
26	3	60	37
27	3	61	36
28	3	62	35
29	3	63	34
30	3	64	33
31	3	66	31

	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	29	22
8	29	22
9	29	22
10	29	22
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	28	21
27	28	21
28	28	21
29	28	21
30	28	21
31	28	21

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

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

	Humid (%)	Muggy (%)	Oppressive (%)
1	1	37	62
2	1	38	61
3	1	38	61
4	1	39	60
5	1	40	59
6	1	41	58
7	1	42	57
8	1	43	56
9	1	44	55
10	1	45	54
11	2	46	52
12	2	47	51
13	2	48	50
14	2	49	49
15	2	50	48
16	2	51	47
17	2	52	46
18	2	53	45
19	3	53	44
20	3	54	43
21	3	55	42
22	3	56	41
23	3	57	40
24	3	58	39
25	3	59	38
26	3	60	37
27	3	61	36
28	3	62	35
29	3	63	34
30	3	64	33
31	3	66	31