Vargem Grande weather in May

In May, Vargem Grande sees average daytime highs of 31°C and overnight lows near 23°C, with 170 mm of rain across 20.2 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 5th-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 17% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Vargem Grande's 8th-clearest and 10th-windiest month. For the whole year in context, see Vargem Grande's year-round climate.

Daytime high
31°
10th warmest
Overnight low
23°
5th coldest
Rainfall
170 mm
20.2 wet days
Daylight
11 h 48 min
5:57 AM – 5:47 PM
Cloud cover
67%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
4.65 kWh/m²
Travel score
3.3
out of 10

Vargem Grande is human settlement in Maranhão, 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 31°C through the month.

A typical May day in Vargem Grande reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°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)
13123
23123
33123
43123
53123
63123
73123
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233123
243123
253123
263123
273123
283123
293123
303123
313123

How May really feels in Vargem Grande

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.

Vargem Grande weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°20922.112.22.6
Feb32° / 24°24223.412.12.6
Mar31° / 23°30628.3122.5
Apr31° / 23°30026.811.92.6
May31° / 23°17020.211.83.3
Jun31° / 23°509.911.84.4
Jul32° / 23°27511.84.5
Aug34° / 24°61.311.93.8
Sep35° / 24°40.7123.0
Oct36° / 25°132.512.12.5
Nov36° / 25°32512.22.5
Dec35° / 25°7511.412.22.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22377
32575
42575
52674
62773
72872
82971
93070
103169
113268
123466
133664
143763
153961
163961
174159
184258
194456
204456
214555
224753
234753
244852
254951
265050
275149
285248
295347
305446
315545

Chance of precipitation in May

Any precipitation

Vargem Grande gets around 170 mm of rain over 20.2 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 65% and peaks near 80% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
180
279
378
476
575
674
773
872
971
1070
1170
1269
1368
1468
1567
1667
1766
1865
1964
2063
2162
2261
2359
2458
2556
2655
2753
2851
2950
3048
3147

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15347
25347
35347
45347
55248
65248
75248
85248
95248
105248
115248
125248
135248
145347
155446
165446
175545
185644
195743
205842
215941
226040
236139
246238
256436
266535
276733
286832
296931
307129
317228

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 7 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
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 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 5:57 AM to 5:59 AM, and sunset from 5:49 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:575:49
211.95:565:49
311.95:565:49
411.95:565:49
511.95:565:48
611.95:565:48
711.95:565:48
811.95:565:48
911.95:565:48
1011.95:565:48
1111.95:565:48
1211.85:565:47
1311.85:575:47
1411.85:575:47
1511.85:575:47
1611.85:575:47
1711.85:575:47
1811.85:575:47
1911.85:575:47
2011.85:575:47
2111.85:575:47
2211.85:575:47
2311.85:575:47
2411.85:585:47
2511.85:585:47
2611.85:585:47
2711.85:585:47
2811.85:585:47
2911.85:585:47
3011.85:595:47
3111.85:595:47

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.34 kWh/m² in October across the year — May's 4.65 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Vargem Grande

In seasonPeak

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

Vargem Grande'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 Vargem Grande?

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

3.3
Sightseeing
4th-best month of the year
5.0
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Vargem Grande.

What to pack for Vargem Grande in May

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

In May, Vargem Grande sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Vargem Grande 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 Vargem Grande peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Vargem Grande 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 Vargem Grande is worst in October — around 25 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 2125 µg/m³Jun 199 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar15Moderate
Apr13Moderate
May10Good
Jun8Good
Jul9Good
Aug12Good
Sep16Moderate
Oct25Moderate
Nov23Moderate
Dec17Moderate
Location & terrain

Where is Vargem Grande?

Vargem Grande sits at 3.5°S, 43.9°W, 44 m above sea level, in Brazil. The nearest listed city is Pirapemas, 40 km away.

Topography around Vargem Grande

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

Within 3 km, the terrain around Vargem Grande has only modest variations in elevation — a maximum elevation change of 77 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 101 m; within 80 km, only modest variations in elevation — a maximum elevation change of 139 m.

The land around Vargem Grande is covered by grassland (45%) and trees (30%) within 3 km, trees (71%) and grassland (24%) within 16 km, and trees (72%) within 80 km.

3 km
77 m
16 km
101 m
80 km
139 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Pirapemas 40 km · São Benedito do Rio Preto 49 km · Itapecuru Mirim 52 km · Cantanhede 52 km · Santa Rita 64 km · Chapadinha 65 km · Urbano Santos 68 km · Coroatá 69 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 Vargem Grande (-3.5431°, -43.9158°, elevation 44 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).