Princesa Isabel weather in May

In May, Princesa Isabel sees average daytime highs of 30°C and overnight lows near 20°C, with 45 mm of rain across 7.2 wet days and about 11.7 hours of daylight. It is the 10th-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 23% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Princesa Isabel's 8th-clearest and 7th-windiest month. For the whole year in context, see Princesa Isabel's year-round climate.

Daytime high
30°
10th warmest
Overnight low
20°
6th coldest
Rainfall
45 mm
7.2 wet days
Daylight
11 h 36 min
5:39 AM – 5:18 PM
Cloud cover
61%
8th clearest
Wind
12 km/h
7th windiest
Solar energy
4.92 kWh/m²
Travel score
5.4
out of 10

Princesa Isabel 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 Princesa Isabel reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
252920
262920
272920
282920
292920
302920
312920

How May really feels in Princesa Isabel

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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Princesa Isabel 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° / 21°929.612.43.8
Feb32° / 21°10610.612.33.9
Mar31° / 21°13013.612.13.9
Apr31° / 21°8710.311.84.5
May30° / 20°457.211.75.4
Jun29° / 19°173.811.66.5
Jul29° / 18°82.311.66.7
Aug30° / 18°40.911.76.2
Sep32° / 19°10.3125.0
Oct34° / 20°81.112.23.9
Nov34° / 21°111.612.43.6
Dec34° / 21°303.812.43.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
54060
64060
74060
84159
94159
104159
114159
124456
134456
144456
154456
164555
174654
184654
194852
204852
214852
225050
235050
245050
255149
265149
275149
285248
295248
305248
315248

Chance of precipitation in May

Any precipitation

Princesa Isabel gets around 45 mm of rain over 7.2 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 23% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
527
627
726
826
925
1025
1124
1224
1324
1424
1524
1624
1724
1824
1924
2023
2123
2222
2322
2421
2521
2620
2719
2818
2917
3016
3116

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11527616
21528606
31528606
40528616
50529606
60529606
70530596
80530596
90530596
100631585
110631585
120632575
130632575
140633574
150633574
160633574
170634564
180634573
190635563
200636553
210636553
220637552
230638542
240639532
250639532
260640522
270641521
280642511
290644491
300645481
310646461

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
412calm
512calm
612calm
712calm
812calm
912calm
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 36 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 5:37 AM to 5:42 AM, and sunset from 5:21 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:375:21
211.75:375:21
311.75:375:21
411.75:375:20
511.75:375:20
611.75:385:20
711.75:385:19
811.75:385:19
911.75:385:19
1011.75:385:19
1111.75:385:19
1211.75:385:18
1311.75:385:18
1411.75:385:18
1511.75:395:18
1611.65:395:18
1711.65:395:18
1811.65:395:17
1911.65:395:17
2011.65:395:17
2111.65:405:17
2211.65:405:17
2311.65:405:17
2411.65:405:17
2511.65:405:17
2611.65:415:17
2711.65:415:17
2811.65:415:17
2911.65:415:17
3011.65:425:17
3111.65:425:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.92 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 7.08 kWh/m² in October across the year — May's 4.92 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Princesa Isabel

In seasonPeak

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

Princesa Isabel's rainy season runs January–April, 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 Princesa Isabel?

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

5.4
Sightseeing
4th-best month of the year
7.3
Beach & pool
6th-best month of the year

May is a reasonable time to visit Princesa Isabel for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Princesa Isabel in May

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

In May, Princesa Isabel sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Princesa Isabel 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 Princesa Isabel peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 14UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Princesa Isabel?

Princesa Isabel sits at 7.7°S, 38.0°W, 686 m above sea level, in Brazil. The nearest listed city is Flores, 15 km away.

Topography around Princesa Isabel

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

Within 3 km, the terrain around Princesa Isabel has only modest variations in elevation — a maximum elevation change of 113 m around an average of 681 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 753 m; within 80 km, large variations in elevation — a maximum elevation change of 953 m.

The land around Princesa Isabel is covered by shrubs (37%) and grassland (35%) within 3 km, shrubs (47%), grassland (24%) and trees (23%) within 16 km, and shrubs (69%) within 80 km.

3 km
113 m
16 km
753 m
80 km
953 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Flores 15 km · Carnaíba 23 km · Afogados da Ingazeira 39 km · Serra Talhada 44 km · Itaporanga 51 km · Tabira 53 km · Custódia 55 km · Conceição 60 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 Princesa Isabel (-7.7367°, -37.9933°, elevation 686 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).