Cajazeiras weather in May

In May, Cajazeiras sees average daytime highs of 31°C and overnight lows near 22°C, with 50 mm of rain across 7.5 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 31°C through the month. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Cajazeiras's 8th-clearest and 8th-windiest month. For the whole year in context, see Cajazeiras's year-round climate.

Daytime high
31°
10th warmest
Overnight low
22°
5th coldest
Rainfall
50 mm
7.5 wet days
Daylight
11 h 42 min
5:40 AM – 5:21 PM
Cloud cover
57%
8th clearest
Wind
10 km/h
8th windiest
Solar energy
5.1 kWh/m²
Travel score
4.5
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 Cajazeiras reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°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
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How May really feels in Cajazeiras

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.

Cajazeiras 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
Jan33° / 24°9912.612.43.1
Feb33° / 23°12113.312.23.3
Mar32° / 23°15817.8123.4
Apr32° / 23°9713.611.93.8
May31° / 22°507.511.74.5
Jun31° / 21°193.511.65.1
Jul31° / 20°8211.65.1
Aug33° / 21°50.511.84.5
Sep35° / 22°10.4123.6
Oct35° / 23°6112.23.0
Nov35° / 24°61.312.32.9
Dec35° / 24°274.512.43.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34753
44654
54753
64852
74852
84951
94951
105050
115149
125248
135248
145347
155347
165446
175545
185644
195644
205743
215743
225842
235842
245842
255941
265842
275842
285941
295842
305842
315743

Chance of precipitation in May

Any precipitation

Cajazeiras gets around 50 mm of rain over 7.5 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 25% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
333
432
531
630
729
827
926
1025
1125
1224
1324
1424
1524
1624
1724
1824
1924
2023
2123
2223
2322
2422
2521
2620
2720
2819
2918
3017
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 56% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11114839
21124938
31125037
41135135
52135134
62145232
72145331
82155429
92155627
103155626
113165724
123165823
133175822
143175921
153185920
163185920
173195919
183196018
193205918
203215917
213225916
223225916
233235915
243245914
253255814
263255913
273265912
284275811
294285711
304295710
31430579

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 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 12 minutes over May. Sunrise moves from 5:39 AM to 5:43 AM, and sunset from 5:24 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:395:24
211.85:395:24
311.85:395:24
411.75:395:23
511.75:395:23
611.75:395:23
711.75:395:23
811.75:395:22
911.75:395:22
1011.75:395:22
1111.75:395:22
1211.75:395:22
1311.75:395:21
1411.75:405:21
1511.75:405:21
1611.75:405:21
1711.75:405:21
1811.75:405:21
1911.75:405:21
2011.75:405:21
2111.75:415:21
2211.75:415:21
2311.75:415:21
2411.75:415:20
2511.75:415:20
2611.65:425:20
2711.65:425:20
2811.65:425:20
2911.65:425:21
3011.65:425:21
3111.65:435:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.1 kWh/m².

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 7.14 kWh/m² in October across the year — May's 5.1 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Cajazeiras

In seasonPeak

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

Cajazeiras'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 Cajazeiras?

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

4.5
Sightseeing
3rd-best month of the year
6.9
Beach & pool
5th-best month of the year

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

What to pack for Cajazeiras in May

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

In May, Cajazeiras sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Cajazeiras 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 Cajazeiras peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 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 13UV 15Jul 16UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in Cajazeiras 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 Cajazeiras is worst in November — around 18 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (July, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1418 µg/m³Jul 164 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar9Good
Apr9Good
May7Good
Jun5Good
Jul4Good
Aug5Good
Sep9Good
Oct15Moderate
Nov18Moderate
Dec13Moderate
Location & terrain

Where is Cajazeiras?

Cajazeiras sits at 6.9°S, 38.6°W, 305 m above sea level, in Brazil. The nearest listed city is São João do Rio do Peixe, 21 km away.

Topography around Cajazeiras

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

Within 3 km, the terrain around Cajazeiras has only modest variations in elevation — a maximum elevation change of 87 m around an average of 302 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 455 m; within 80 km, large variations in elevation — a maximum elevation change of 774 m.

The land around Cajazeiras is covered by grassland (37%), shrubs (28%) and artificial surfaces (22%) within 3 km, shrubs (54%) and grassland (31%) within 16 km, and shrubs (60%) and grassland (27%) within 80 km.

3 km
87 m
16 km
455 m
80 km
774 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: São João do Rio do Peixe 21 km · São José de Piranhas 26 km · Sousa 39 km · Barro 41 km · Aurora 46 km · Lavras da Mangabeira 48 km · Mauriti 61 km · Milagres 64 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 Cajazeiras (-6.8903°, -38.5553°, elevation 305 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).