Monte Alegre weather in May

In May, Monte Alegre sees average daytime highs of 30°C and overnight lows near 24°C, with 223 mm of rain across 27.4 wet days and about 11.9 hours of daylight. It is the 9th-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 7% 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 Monte Alegre's 8th-clearest and 12th-windiest month. For the whole year in context, see Monte Alegre's year-round climate.

Daytime high
30°
9th warmest
Overnight low
24°
6th coldest
Rainfall
223 mm
27.4 wet days
Daylight
11 h 54 min
6:35 AM – 6:30 PM
Cloud cover
77%
8th clearest
Wind
8 km/h
12th windiest
Solar energy
4.14 kWh/m²
Travel score
2.9
out of 10

Monte Alegre is settlement in Brazil.

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

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 Monte Alegre reaches about 30°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 28°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
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How May really feels in Monte Alegre

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.

Monte Alegre weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°22824.112.13.0
Feb30° / 24°22523.612.13.0
Mar30° / 24°29727.2122.9
Apr30° / 24°29227.4122.8
May30° / 24°22327.411.92.9
Jun31° / 24°11921.611.93.4
Jul31° / 24°6714.811.94.2
Aug32° / 25°357.611.94.3
Sep33° / 26°326.4123.8
Oct33° / 26°477.3123.5
Nov33° / 26°7910.712.13.3
Dec32° / 25°11615.612.13.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 78%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21189
31288
41387
51387
61585
71684
81783
91882
101981
112179
122179
132278
142377
152377
162377
172575
182575
192575
202575
212575
222674
232575
242674
252773
262872
272971
283070
293169
303268
313367

Chance of precipitation in May

Any precipitation

Monte Alegre gets around 223 mm of rain over 27.4 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 88% and peaks near 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
393
492
592
692
791
891
990
1090
1190
1289
1389
1489
1588
1688
1788
1888
1987
2087
2187
2287
2387
2486
2586
2685
2784
2884
2983
3082
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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12575
22575
32476
42476
52476
62476
72377
82377
92377
102278
112278
122278
132278
142377
152377
162476
172476
182575
192575
202674
212674
222773
232773
242872
252971
263070
273070
283169
293268
303268
313367

Wind in May

Winds average 8 km/h in May, the calmest month.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:36 AM to 6:37 AM, and sunset from 6:31 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:366:31
211.96:366:31
311.96:356:31
411.96:356:31
511.96:356:31
611.96:356:31
711.96:356:31
811.96:356:30
911.96:356:30
1011.96:356:30
1111.96:356:30
1211.96:356:30
1311.96:356:30
1411.96:356:30
1511.96:356:30
1611.96:356:30
1711.96:356:30
1811.96:356:30
1911.96:356:30
2011.96:366:30
2111.96:366:30
2211.96:366:30
2311.96:366:30
2411.96:366:30
2511.96:366:30
2611.96:366:30
2711.96:366:30
2811.96:366:30
2911.96:376:30
3011.96:376:30
3111.96:376:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.14 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 6.41 kWh/m² in October across the year — May's 4.14 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Monte Alegre

In seasonPeak

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

Monte Alegre'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 Monte Alegre?

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

2.9
Sightseeing
10th-best month of the year
4.1
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Monte Alegre.

What to pack for Monte Alegre in May

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

In May, Monte Alegre sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Monte Alegre 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 Monte Alegre peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Monte Alegre 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 Monte Alegre is worst in November — around 32 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1631 µg/m³Jun 229 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb16Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug11Good
Sep14Moderate
Oct23Moderate
Nov32Moderate
Dec23Moderate
Location & terrain

Where is Monte Alegre?

Monte Alegre sits at 2.0°S, 54.1°W, 57 m above sea level, in Brazil. The nearest listed city is Prainha, 70 km away.

Topography around Monte Alegre

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

Within 3 km, the terrain around Monte Alegre has only modest variations in elevation — a maximum elevation change of 143 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 423 m; within 80 km, large variations in elevation — a maximum elevation change of 744 m.

The land around Monte Alegre is covered by grassland (51%) within 3 km, grassland (32%), trees (31%) and water (27%) within 16 km, and trees (53%) and grassland (25%) within 80 km.

3 km
143 m
16 km
423 m
80 km
744 m
treesgrasslandartificial surfaceswaterwetland
May weather nearby: Prainha 70 km · Alenquer 73 km · Santarém 85 km · Mojuí dos Campos 98 km · Belterra 119 km · Óbidos 160 km · Almeirim 175 km · Uruará 195 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 Monte Alegre (-2.0008°, -54.081°, elevation 57 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).