Breves weather in May

In May, Breves sees average daytime highs of 31°C and overnight lows near 24°C, with 286 mm of rain across 27.8 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 10% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Breves's 8th-clearest and 11th-windiest month. For the whole year in context, see Breves's year-round climate.

Daytime high
31°
8th warmest
Overnight low
24°
7th coldest
Rainfall
286 mm
27.8 wet days
Daylight
11 h 54 min
6:20 AM – 6:16 PM
Cloud cover
75%
8th clearest
Wind
6 km/h
11th windiest
Solar energy
4.22 kWh/m²
Travel score
2.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in Breves reaches about 31°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How May really feels in Breves

Once humidity and wind are folded in, May averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Breves weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°25028.112.12.7
Feb30° / 24°32326.812.12.7
Mar30° / 24°39730122.6
Apr30° / 24°37328.9122.6
May31° / 24°28627.811.92.8
Jun31° / 24°14421.611.93.3
Jul31° / 24°8416.411.93.9
Aug32° / 25°399.511.94.1
Sep33° / 25°256.6124.0
Oct33° / 25°337.7123.7
Nov33° / 25°549.312.13.6
Dec32° / 25°12519.812.13.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41486
51585
61684
71783
81882
92080
102179
112278
122377
132476
142476
152674
162674
172872
182872
192971
202971
213070
223169
233268
243367
253466
263466
273664
283664
293862
304060
314258

Chance of precipitation in May

Any precipitation

Breves gets around 286 mm of rain over 27.8 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 89% and peaks near 95% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
495
595
694
794
894
993
1093
1192
1292
1391
1491
1590
1690
1789
1889
1988
2088
2187
2287
2386
2486
2585
2685
2784
2883
2982
3081
3181

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10496
11496
12397
13496
14496
15496
16496
17496
18496
19496
20496
21595
22595
23595
24595
25694
26694
27694
28793
29793
30892
31892

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 0 minutes over May. Sunrise moves from 6:21 AM to 6:22 AM, and sunset from 6:17 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:216:17
211.96:216:17
311.96:216:17
411.96:216:17
511.96:216:17
611.96:206:17
711.96:206:17
811.96:206:16
911.96:206:16
1011.96:206:16
1111.96:206:16
1211.96:206:16
1311.96:206:16
1411.96:206:16
1511.96:206:16
1611.96:206:16
1711.96:206:16
1811.96:216:16
1911.96:216:16
2011.96:216:16
2111.96:216:16
2211.96:216:16
2311.96:216:16
2411.96:216:16
2511.96:216:16
2611.96:216:16
2711.96:216:16
2811.96:226:16
2911.96:226:16
3011.96:226:17
3111.96:226:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.22 kWh/m².

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 6.42 kWh/m² in October across the year — May's 4.22 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.0Bright
84.1Bright
94.1Bright
104.1Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Breves

In seasonPeak

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

Breves's monsoon runs January–May, 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 Breves?

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

2.8
Sightseeing
8th-best month of the year
4.0
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Breves.

What to pack for Breves in May

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

In May, Breves sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Breves in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Breves peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Jul 18UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Breves in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Breves is worst in February — around 19 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (June, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2019 µg/m³Jun 229 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar19Moderate
Apr16Moderate
May11Good
Jun9Good
Jul10Good
Aug10Good
Sep13Moderate
Oct15Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Breves?

Breves sits at 1.7°S, 50.5°W, 7 m above sea level, in Brazil. The nearest listed city is Melgaço, 29 km away.

Topography around Breves

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

Within 3 km, the terrain around Breves has only modest variations in elevation — a maximum elevation change of 28 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 75 m.

The land around Breves is covered by trees (70%) within 3 km, trees (92%) within 16 km, and trees (90%) within 80 km.

3 km
28 m
16 km
37 m
80 km
75 m
treesgrasslandartificial surfaceswater
May weather nearby: Melgaço 29 km · Bagre 39 km · Portel 47 km · Curralinho 78 km · Oeiras do Pará 78 km · Anajás 98 km · São Sebastião da Boa Vista 106 km · Limoeiro do Ajuru 124 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
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Breves (-1.6822°, -50.4803°, elevation 7 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).