Rubiataba weather in May

In May, Rubiataba sees average daytime highs of 30°C and overnight lows near 19°C, with 18 mm of rain across 2.7 wet days and about 11.3 hours of daylight. It is the 5th-warmest and 9th-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 55% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 30 min at the start of May to 11 h 12 min by month's end. Set against the rest of the year, May is Rubiataba's 5th-clearest and 5th-windiest month. For the whole year in context, see Rubiataba's year-round climate.

Daytime high
30°
5th warmest
Overnight low
19°
4th coldest
Rainfall
18 mm
2.7 wet days
Daylight
11 h 18 min
7:37 AM – 6:54 PM
Cloud cover
41%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
4.94 kWh/m²
Travel score
6.2
out of 10

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 Rubiataba reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193018
203018
213018
223018
233018
243018
253018
263018
273018
283018
293018
303018
313018

How May really feels in Rubiataba

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.

Rubiataba weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°27724.112.83.8
Feb29° / 21°21321.812.53.7
Mar29° / 21°21022.712.13.8
Apr30° / 20°9213.611.74.8
May30° / 19°182.711.36.2
Jun29° / 17°40.611.16.9
Jul30° / 17°00.111.26.8
Aug32° / 18°5111.55.5
Sep33° / 20°30511.94.1
Oct32° / 21°1251612.33.6
Nov29° / 21°23323.312.73.6
Dec28° / 21°28424.512.93.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37327
47228
57228
67228
77129
87030
97030
106931
116832
126832
136832
146832
156832
166832
176832
186931
196931
207030
217129
227228
237327
247525
257525
267624
277723
287921
297921
308119
318119

Chance of precipitation in May

Any precipitation

Rubiataba gets around 18 mm of rain over 2.7 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 9% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
214
313
412
511
611
711
810
910
1010
1111
1211
1311
1410
1510
1610
1710
1810
199
209
219
228
238
248
257
267
276
286
296
306
315

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111444373
221645353
321745332
421945322
522045302
632245292
732345281
832444271
932543271
1042643261
1142742261
1242842261
1352841251
1452842241
1562842231
1662843220
1772843220
1882744210
1982745200
2092745190
2192746180
22102746170
23112746160
24112846150
25112946130
26123046120
27123146110
28133245100
29133344100
3013354390
3114374180

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 30 min at the start of May to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 7:32 AM to 7:41 AM, and sunset from 7:00 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:327:00
211.57:337:00
311.47:336:59
411.47:336:59
511.47:336:58
611.47:346:58
711.47:346:58
811.47:346:57
911.47:356:57
1011.47:356:56
1111.37:356:56
1211.37:356:56
1311.37:366:55
1411.37:366:55
1511.37:366:55
1611.37:376:54
1711.37:376:54
1811.37:376:54
1911.37:376:54
2011.37:386:53
2111.37:386:53
2211.27:386:53
2311.27:396:53
2411.27:396:53
2511.27:396:52
2611.27:406:52
2711.27:406:52
2811.27:406:52
2911.27:416:52
3011.27:416:52
3111.27:416:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.94 kWh/m².

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 5.93 kWh/m² in September across the year — May's 4.94 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Rubiataba

In seasonPeak

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

Rubiataba's monsoon runs November–March, 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 Rubiataba?

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

6.2
Sightseeing
3rd-best month of the year
8.3
Beach & pool
4th-best month of the year

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

What to pack for Rubiataba in May

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

In May, Rubiataba sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Rubiataba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rubiataba peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 24UV 15Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Rubiataba 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 Rubiataba is worst in September — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (June, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1923 µg/m³Jun 156 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr7Good
May7Good
Jun6Good
Jul7Good
Aug11Good
Sep24Moderate
Oct19Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Rubiataba?

Rubiataba sits at 15.2°S, 49.8°W, 638 m above sea level, in Brazil. The nearest listed city is Ceres, 27 km away.

Topography around Rubiataba

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

Within 3 km, the terrain around Rubiataba has only modest variations in elevation — a maximum elevation change of 188 m around an average of 642 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 527 m; within 80 km, large variations in elevation — a maximum elevation change of 841 m.

The land around Rubiataba is covered by grassland (48%) and trees (20%) within 3 km, grassland (52%) and trees (29%) within 16 km, and grassland (50%) and trees (31%) within 80 km.

3 km
188 m
16 km
527 m
80 km
841 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Ceres 27 km · Itapaci 36 km · Itapuranga 47 km · Crixás 71 km · Goianésia 76 km · Jaraguá 83 km · Goiás 93 km · Itaberaí 95 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 Rubiataba (-15.1644°, -49.8033°, elevation 638 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).