Colniza weather in May

In May, Colniza sees average daytime highs of 30°C and overnight lows near 22°C, with 88 mm of rain across 16.5 wet days and about 11.6 hours of daylight. It is the 7th-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 19% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 30 min by month's end. Set against the rest of the year, May is Colniza's 5th-clearest and 5th-windiest month. For the whole year in context, see Colniza's year-round climate.

Daytime high
30°
7th warmest
Overnight low
22°
3rd coldest
Rainfall
88 mm
16.5 wet days
Daylight
11 h 36 min
7:05 AM – 6:39 PM
Cloud cover
68%
5th clearest
Wind
5 km/h
5th windiest
Solar energy
4.52 kWh/m²
Travel score
4.1
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 Colniza reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°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 about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313122

How May really feels in Colniza

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.

Colniza weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°3233012.52.8
Feb29° / 23°30927.112.32.7
Mar30° / 23°30129.512.12.7
Apr30° / 23°22026.211.83.0
May30° / 22°8816.511.64.1
Jun32° / 22°17411.55.0
Jul33° / 22°91.911.54.3
Aug35° / 23°25411.73.2
Sep33° / 24°10114.911.93.0
Oct32° / 23°20424.812.22.8
Nov30° / 23°24826.712.42.7
Dec30° / 23°30529.112.52.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22476
32476
42476
52674
62674
72773
82773
92872
103070
113070
123070
133268
143367
153466
163565
173763
183862
193961
204159
214357
224456
234555
244753
254951
264951
275248
285347
295545
305644
315941

Chance of precipitation in May

Any precipitation

Colniza gets around 88 mm of rain over 16.5 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 53% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
269
368
466
565
663
762
861
960
1059
1157
1256
1356
1455
1554
1653
1752
1851
1950
2049
2148
2247
2346
2445
2544
2643
2741
2840
2938
3037
3135

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
115868
215868
315877
415877
526857
626857
726857
826857
927847
1027847
1127847
1227847
1328837
1428837
1528846
1628846
1729836
1829836
19210826
20211816
21211816
22212815
23213805
24214795
25215794
26216784
27218764
28219754
29221734
30222733
31223723

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 30 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 7:03 AM to 7:09 AM, and sunset from 6:43 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:036:43
211.77:036:43
311.77:036:43
411.77:036:42
511.67:046:42
611.67:046:42
711.67:046:42
811.67:046:41
911.67:046:41
1011.67:046:41
1111.67:046:40
1211.67:056:40
1311.67:056:40
1411.67:056:40
1511.67:056:40
1611.67:056:39
1711.67:056:39
1811.67:066:39
1911.67:066:39
2011.57:066:39
2111.57:066:39
2211.57:066:39
2311.57:076:39
2411.57:076:39
2511.57:076:38
2611.57:076:38
2711.57:086:38
2811.57:086:38
2911.57:086:38
3011.57:086:38
3111.57:096:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.52 kWh/m².

For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 5.57 kWh/m² in September across the year — May's 4.52 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Hazard calendar for Colniza

In seasonPeak

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

Colniza's rainy season runs October–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 Colniza?

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

4.1
Sightseeing
3rd-best month of the year
5.7
Beach & pool
4th-best month of the year

May is a reasonable time to visit Colniza for sightseeing.

What to pack for Colniza in May

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

In May, Colniza sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Colniza in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colniza peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeFeb 17UV 15Sep 14UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep4Moderate
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Colniza 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 Colniza is worst in September — around 124 µg/m³ PM2.5 (unhealthy), about 16.6× the cleanest month (July, 8 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateSep 14115 µg/m³Jul 98 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr9Good
May8Good
Jun8Good
Jul8Good
Aug62Unhealthy
Sep124Unhealthy
Oct30Moderate
Nov17Moderate
Dec13Moderate
Location & terrain

Where is Colniza?

Colniza sits at 9.4°S, 59.0°W, 142 m above sea level, in Brazil. The nearest listed city is Aripuanã, 97 km away.

JuaraApuíEspigão dOesteBrasnorteMachadinho d'OestePimenta Bueno

Topography around Colniza

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

Within 3 km, the terrain around Colniza has only modest variations in elevation — a maximum elevation change of 125 m around an average of 158 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 294 m; within 80 km, significant variations in elevation — a maximum elevation change of 341 m.

The land around Colniza is covered by grassland (68%) and trees (32%) within 3 km, grassland (66%) and trees (34%) within 16 km, and trees (80%) and grassland (20%) within 80 km.

3 km
125 m
16 km
294 m
80 km
341 m
treesgrasslandwater
May weather nearby: Aripuanã 97 km · Juína 226 km · Juara 263 km · Apuí 264 km · Espigão dOeste 320 km · Brasnorte 321 km · Machadinho d'Oeste 324 km · Pimenta Bueno 346 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 Colniza (-9.4092°, -59.025°, elevation 142 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).