Senador José Porfírio weather in May

In May, Senador José Porfírio sees average daytime highs of 30°C and overnight lows near 24°C, with 256 mm of rain across 28.2 wet days and about 11.9 hours of daylight. It is the 8th-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 6% 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 Senador José Porfírio's 8th-clearest and 12th-windiest month. For the whole year in context, see Senador José Porfírio's year-round climate.

Daytime high
30°
8th warmest
Overnight low
24°
7th coldest
Rainfall
256 mm
28.2 wet days
Daylight
11 h 54 min
6:28 AM – 6:21 PM
Cloud cover
78%
8th clearest
Wind
6 km/h
12th windiest
Solar energy
3.99 kWh/m²
Travel score
2.8
out of 10

Senador José Porfírio is human 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 Senador José Porfírio 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
303124
313124

How May really feels in Senador José Porfírio

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.

Senador José Porfírio weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°28328.312.12.8
Feb30° / 24°30526.212.12.8
Mar30° / 24°37029.6122.7
Apr30° / 24°35128.911.92.7
May30° / 24°25628.211.92.8
Jun31° / 24°12722.411.93.3
Jul31° / 24°7816.811.93.9
Aug32° / 25°4710.911.94.1
Sep33° / 25°418.4124.0
Oct33° / 25°6210.912.13.6
Nov32° / 25°9214.112.13.3
Dec31° / 25°16721.112.13.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 79%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
31090
41189
51288
61288
71486
81585
91585
101783
111882
121882
132080
142179
152179
162278
172377
182377
192476
202476
212476
222575
232575
242674
252773
262773
272872
283070
293169
303268
313367

Chance of precipitation in May

Any precipitation

Senador José Porfírio gets around 256 mm of rain over 28.2 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 90% 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
494
594
694
793
893
992
1092
1192
1291
1391
1491
1591
1691
1791
1891
1990
2090
2190
2290
2389
2489
2588
2687
2787
2886
2985
3084
3183

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1991
2991
3991
4892
5892
6892
7892
8892
9892
10892
11892
12892
13892
14892
15991
16991
17991
181090
191090
201090
211090
221090
231189
241189
251189
261189
271189
281288
291288
301288
311288

Wind in May

Winds average 6 km/h in May, the calmest month.

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 6:28 AM to 6:29 AM, and sunset from 6:22 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:286:22
211.96:286:22
311.96:286:22
411.96:286:22
511.96:276:22
611.96:276:21
711.96:276:21
811.96:276:21
911.96:276:21
1011.96:276:21
1111.96:276:21
1211.96:276:21
1311.96:276:21
1411.96:276:21
1511.96:286:21
1611.96:286:21
1711.96:286:21
1811.96:286:20
1911.96:286:20
2011.96:286:20
2111.96:286:20
2211.96:286:20
2311.96:286:21
2411.96:286:21
2511.96:286:21
2611.96:296:21
2711.96:296:21
2811.96:296:21
2911.96:296:21
3011.96:296:21
3111.96:296:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.99 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 6.27 kWh/m² in October across the year — May's 3.99 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Moderate
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Senador José Porfírio

In seasonPeak

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

Senador José Porfírio's monsoon runs December–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 Senador José Porfírio?

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
3.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Senador José Porfírio.

What to pack for Senador José Porfírio in May

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

In May, Senador José Porfírio sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Senador José Porfírio 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 Senador José Porfírio peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 15UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Senador José Porfírio 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 Senador José Porfírio is worst in November — around 29 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1228 µg/m³Jun 229 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug11Good
Sep14Moderate
Oct25Moderate
Nov29Moderate
Dec17Moderate
Location & terrain

Where is Senador José Porfírio?

Senador José Porfírio sits at 2.6°S, 52.0°W, 7 m above sea level, in Brazil. The nearest listed city is Vitória do Xingu, 33 km away.

Topography around Senador José Porfírio

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

Within 3 km, the terrain around Senador José Porfírio has only modest variations in elevation — a maximum elevation change of 60 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 108 m; within 80 km, only modest variations in elevation — a maximum elevation change of 242 m.

The land around Senador José Porfírio is covered by water (48%) and grassland (33%) within 3 km, trees (46%), water (31%) and grassland (22%) within 16 km, and trees (77%) within 80 km.

3 km
60 m
16 km
108 m
80 km
242 m
treesgrasslandartificial surfaceswaterwetland
May weather nearby: Vitória do Xingu 33 km · Altamira 74 km · Porto de Moz 99 km · Brasil Novo 103 km · Anapu 129 km · Gurupá 136 km · Almeirim 138 km · Medicilândia 141 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 Senador José Porfírio (-2.5908°, -51.9542°, 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).