Serro weather in May

In May, Serro sees average daytime highs of 24°C and overnight lows near 14°C, with 34 mm of rain across 6.8 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 18 min at the start of May to 11 hours by month's end. Set against the rest of the year, May is Serro's 5th-clearest and 12th-windiest month. For the whole year in context, see Serro's year-round climate.

Daytime high: 24°; 10th warmest
Overnight low: 14°; 4th coldest
Rainfall: 34 mm; 6.8 wet days
Daylight: 11 h 06 min; 7:16 AM – 6:24 PM
Cloud cover: 57%; 5th clearest
Wind: 7 km/h; 12th windiest
Solar energy: 4.13 kWh/m²
Travel score: 7.4; out of 10

Serro is human settlement in Brazil.

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

← April Serro 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 24°C through the month.

A typical May day in Serro reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°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)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23
Avg low (°C)	15	15	15	15	15	15	15	15	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	13

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

Serro weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 18°	224	17	13	5.3
Feb	27° / 18°	155	13.3	12.6	5.7
Mar	26° / 17°	178	16.7	12.1	5.5
Apr	25° / 16°	90	12.1	11.6	6.4
May	24° / 14°	34	6.8	11.1	7.4
Jun	23° / 13°	11	2.7	10.9	8.0
Jul	23° / 12°	8	2.2	11	8.2
Aug	24° / 12°	12	2.9	11.4	8.4
Sep	26° / 14°	48	6.7	11.9	7.4
Oct	26° / 16°	117	12.1	12.4	6.3
Nov	25° / 17°	256	19.9	12.9	4.9
Dec	26° / 18°	309	21.6	13.1	4.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 49%.

	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 (%)	56	56	56	55	55	54	53	52	51	50	49	48	47	47	47	46	46	47	47	48	48	49	49	51	51	52	53	54	55	56	56
Cloudier (%)	44	44	44	45	45	46	47	48	49	50	51	52	53	53	53	54	54	53	53	52	52	51	51	49	49	48	47	46	45	44	44

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	55	45
5	55	45
6	54	46
7	53	47
8	52	48
9	51	49
10	50	50
11	49	51
12	48	52
13	47	53
14	47	53
15	47	53
16	46	54
17	46	54
18	47	53
19	47	53
20	48	52
21	48	52
22	49	51
23	49	51
24	51	49
25	51	49
26	52	48
27	53	47
28	54	46
29	55	45
30	56	44
31	56	44

Chance of precipitation in May

Any precipitation

Serro gets around 34 mm of rain over 6.8 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 22% and peaks near 25% 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 (%)	25	25	24	23	23	23	23	22	23	23	23	23	23	23	24	24	23	23	23	23	23	22	22	21	21	20	19	18	17	17	16

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

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	9	9	10	11	12	12	13	13	14	14	14	15	15	16	16	17	17	18	18	18	19	20	20	21	21	22	22	23	23	24	25
Comfortable (%)	38	40	41	43	44	46	47	48	49	50	51	50	51	50	50	50	50	49	49	49	49	50	50	50	51	52	53	53	55	55	56
Humid (%)	49	47	45	43	41	39	38	37	36	35	34	34	33	33	33	33	33	33	32	32	32	31	30	29	28	26	25	24	22	21	19
Muggy (%)	5	4	4	3	3	3	2	2	2	2	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	9	38	49	5
2	9	40	47	4
3	10	41	45	4
4	11	43	43	3
5	12	44	41	3
6	12	46	39	3
7	13	47	38	2
8	13	48	37	2
9	14	49	36	2
10	14	50	35	2
11	14	51	34	1
12	15	50	34	1
13	15	51	33	1
14	16	50	33	1
15	16	50	33	1
16	17	50	33	1
17	17	50	33	0
18	18	49	33	0
19	18	49	32	0
20	18	49	32	0
21	19	49	32	0
22	20	50	31	0
23	20	50	30	0
24	21	50	29	0
25	21	51	28	0
26	22	52	26	0
27	22	53	25	0
28	23	53	24	0
29	23	55	22	0
30	24	55	21	0
31	25	56	19	0

Wind in May

Winds average 7 km/h in May, the calmest month.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 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)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7
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	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	7	calm
13	7	calm
14	7	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm
31	7	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 18 min at the start of May to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 7:11 AM to 7:22 AM, and sunset from 6:31 PM to 6:20 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	31
Daylight (h)	11.3	11.3	11.3	11.3	11.3	11.3	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.0	11.0	11.0	11.0	11.0	11.0	11.0	11.0	11.0
Sunrise (AM)	7:11	7:11	7:11	7:12	7:12	7:12	7:13	7:13	7:13	7:14	7:14	7:14	7:15	7:15	7:16	7:16	7:16	7:17	7:17	7:17	7:18	7:18	7:19	7:19	7:19	7:20	7:20	7:21	7:21	7:21	7:22
Sunset (PM)	6:31	6:30	6:30	6:29	6:28	6:28	6:27	6:27	6:26	6:26	6:26	6:25	6:25	6:24	6:24	6:24	6:23	6:23	6:23	6:22	6:22	6:22	6:21	6:21	6:21	6:21	6:21	6:20	6:20	6:20	6:20

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	7:11	6:31
2	11.3	7:11	6:30
3	11.3	7:11	6:30
4	11.3	7:12	6:29
5	11.3	7:12	6:28
6	11.3	7:12	6:28
7	11.2	7:13	6:27
8	11.2	7:13	6:27
9	11.2	7:13	6:26
10	11.2	7:14	6:26
11	11.2	7:14	6:26
12	11.2	7:14	6:25
13	11.2	7:15	6:25
14	11.2	7:15	6:24
15	11.1	7:16	6:24
16	11.1	7:16	6:24
17	11.1	7:16	6:23
18	11.1	7:17	6:23
19	11.1	7:17	6:23
20	11.1	7:17	6:22
21	11.1	7:18	6:22
22	11.1	7:18	6:22
23	11.0	7:19	6:21
24	11.0	7:19	6:21
25	11.0	7:19	6:21
26	11.0	7:20	6:21
27	11.0	7:20	6:21
28	11.0	7:21	6:20
29	11.0	7:21	6:20
30	11.0	7:21	6:20
31	11.0	7:22	6:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.13 kWh/m².

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 6.01 kWh/m² in February across the year — May's 4.13 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)	4.5	4.4	4.4	4.4	4.4	4.3	4.3	4.3	4.3	4.2	4.2	4.2	4.1	4.1	4.1	4.1	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	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	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.5	Bright
2	4.4	Bright
3	4.4	Bright
4	4.4	Bright
5	4.4	Bright
6	4.3	Bright
7	4.3	Bright
8	4.3	Bright
9	4.3	Bright
10	4.2	Bright
11	4.2	Bright
12	4.2	Bright
13	4.1	Bright
14	4.1	Bright
15	4.1	Bright
16	4.1	Bright
17	4.0	Bright
18	4.0	Bright
19	4.0	Bright
20	4.0	Bright
21	4.0	Moderate
22	4.0	Moderate
23	4.0	Moderate
24	4.0	Moderate
25	4.0	Moderate
26	4.0	Moderate
27	4.0	Moderate
28	4.0	Moderate
29	4.0	Moderate
30	4.0	Moderate
31	4.0	Moderate

Planning a trip in May

Hazard calendar for Serro

In seasonPeak

None of Serro's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Serro's monsoon runs November–March, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is May a good time to visit Serro?

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

7.4

Sightseeing

4th-best month of the year

6.1

Beach & pool

5th-best month of the year

May is one of the better times to visit Serro for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Serro in May

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

In May, Serro sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Serro in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Serro peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (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)	15	15	14	11	8	7	7	9	10	12	14	14
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	15	Extreme
Mar	14	Extreme
Apr	11	Extreme
May	8	Very high
Jun	7	Very high
Jul	7	Very high
Aug	9	Very high
Sep	10	Extreme
Oct	12	Extreme
Nov	14	Extreme
Dec	14	Extreme

Location & terrain

Where is Serro?

Serro sits at 18.6°S, 43.4°W, 821 m above sea level, in Brazil. The nearest listed city is Diamantina, 46 km away.

Topography around Serro

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

Within 3 km, the terrain around Serro has only modest variations in elevation — a maximum elevation change of 229 m around an average of 810 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 926 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,684 m.

The land around Serro is covered by trees (52%) and grassland (43%) within 3 km, trees (55%) and grassland (45%) within 16 km, and trees (50%) and grassland (46%) within 80 km.

3 km

229 m

trees 52%

16 km

926 m

trees 55%

80 km

1,684 m

trees 50%

treesshrubsgrasslandartificial surfaces

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

May weather nearby: Diamantina 46 km · Conceição do Mato Dentro 48 km · Guanhães 51 km · São João Evangelista 65 km · Peçanha 87 km · Itamarandiba 100 km · Jaboticatubas 108 km · Curvelo 112 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 Serro (-18.6047°, -43.3794°, elevation 821 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	24	15
2	24	15
3	24	15
4	24	15
5	24	15
6	24	15
7	24	15
8	24	15
9	24	14
10	24	14
11	24	14
12	24	14
13	24	14
14	24	14
15	24	14
16	24	14
17	23	14
18	23	14
19	23	14
20	23	14
21	23	14
22	23	14
23	23	14
24	23	14
25	23	14
26	23	14
27	23	14
28	23	14
29	23	14
30	23	14
31	23	13

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	55	45
5	55	45
6	54	46
7	53	47
8	52	48
9	51	49
10	50	50
11	49	51
12	48	52
13	47	53
14	47	53
15	47	53
16	46	54
17	46	54
18	47	53
19	47	53
20	48	52
21	48	52
22	49	51
23	49	51
24	51	49
25	51	49
26	52	48
27	53	47
28	54	46
29	55	45
30	56	44
31	56	44

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	9	38	49	5
2	9	40	47	4
3	10	41	45	4
4	11	43	43	3
5	12	44	41	3
6	12	46	39	3
7	13	47	38	2
8	13	48	37	2
9	14	49	36	2
10	14	50	35	2
11	14	51	34	1
12	15	50	34	1
13	15	51	33	1
14	16	50	33	1
15	16	50	33	1
16	17	50	33	1
17	17	50	33	0
18	18	49	33	0
19	18	49	32	0
20	18	49	32	0
21	19	49	32	0
22	20	50	31	0
23	20	50	30	0
24	21	50	29	0
25	21	51	28	0
26	22	52	26	0
27	22	53	25	0
28	23	53	24	0
29	23	55	22	0
30	24	55	21	0
31	25	56	19	0

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

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	55	45
5	55	45
6	54	46
7	53	47
8	52	48
9	51	49
10	50	50
11	49	51
12	48	52
13	47	53
14	47	53
15	47	53
16	46	54
17	46	54
18	47	53
19	47	53
20	48	52
21	48	52
22	49	51
23	49	51
24	51	49
25	51	49
26	52	48
27	53	47
28	54	46
29	55	45
30	56	44
31	56	44

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	9	38	49	5
2	9	40	47	4
3	10	41	45	4
4	11	43	43	3
5	12	44	41	3
6	12	46	39	3
7	13	47	38	2
8	13	48	37	2
9	14	49	36	2
10	14	50	35	2
11	14	51	34	1
12	15	50	34	1
13	15	51	33	1
14	16	50	33	1
15	16	50	33	1
16	17	50	33	1
17	17	50	33	0
18	18	49	33	0
19	18	49	32	0
20	18	49	32	0
21	19	49	32	0
22	20	50	31	0
23	20	50	30	0
24	21	50	29	0
25	21	51	28	0
26	22	52	26	0
27	22	53	25	0
28	23	53	24	0
29	23	55	22	0
30	24	55	21	0
31	25	56	19	0

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

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	55	45
5	55	45
6	54	46
7	53	47
8	52	48
9	51	49
10	50	50
11	49	51
12	48	52
13	47	53
14	47	53
15	47	53
16	46	54
17	46	54
18	47	53
19	47	53
20	48	52
21	48	52
22	49	51
23	49	51
24	51	49
25	51	49
26	52	48
27	53	47
28	54	46
29	55	45
30	56	44
31	56	44

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	9	38	49	5
2	9	40	47	4
3	10	41	45	4
4	11	43	43	3
5	12	44	41	3
6	12	46	39	3
7	13	47	38	2
8	13	48	37	2
9	14	49	36	2
10	14	50	35	2
11	14	51	34	1
12	15	50	34	1
13	15	51	33	1
14	16	50	33	1
15	16	50	33	1
16	17	50	33	1
17	17	50	33	0
18	18	49	33	0
19	18	49	32	0
20	18	49	32	0
21	19	49	32	0
22	20	50	31	0
23	20	50	30	0
24	21	50	29	0
25	21	51	28	0
26	22	52	26	0
27	22	53	25	0
28	23	53	24	0
29	23	55	22	0
30	24	55	21	0
31	25	56	19	0