Rorainópolis weather in May

In May, Rorainópolis sees average daytime highs of 29°C and overnight lows near 23°C, with 456 mm of rain across 29.4 wet days and about 12 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of May to 12 h 06 min by month's end. Set against the rest of the year, May is Rorainópolis's 12th-clearest and 8th-windiest month. For the whole year in context, see Rorainópolis's year-round climate.

Daytime high: 29°; 11th warmest
Overnight low: 23°; 4th coldest
Rainfall: 456 mm; 29.4 wet days
Daylight: 12 hours; 5:57 AM – 5:59 PM
Cloud cover: 88%; 12th clearest
Wind: 4 km/h; 8th windiest
Solar energy: 3.53 kWh/m²
Travel score: 2.9; out of 10

← April Rorainópolis year-round climate June →Best places to visit in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Rorainópolis reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, May runs on par with April and on par with June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29
Avg low (°C)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23

	Avg high (°C)	Avg low (°C)
1	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	23
15	29	23
16	29	23
17	29	23
18	29	23
19	29	23
20	29	23
21	29	23
22	29	23
23	29	23
24	29	23
25	29	23
26	29	23
27	29	23
28	29	23
29	29	23
30	29	23
31	29	23

How May really feels in Rorainópolis

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Rorainópolis weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 23°	117	15	12	3.8
Feb	31° / 24°	108	13.2	12	3.7
Mar	31° / 24°	184	18.1	12	3.5
Apr	30° / 23°	348	24.7	12	3.1
May	29° / 23°	456	29.4	12	2.9
Jun	29° / 23°	341	28.4	12.1	2.9
Jul	29° / 22°	248	28.2	12	3.1
Aug	30° / 23°	185	25.1	12	3.2
Sep	32° / 23°	147	20.6	12	3.1
Oct	32° / 23°	129	18.5	12	3.2
Nov	31° / 23°	161	20.4	12	3.1
Dec	31° / 23°	161	19.9	11.9	3.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of May, with mostly cloudy or overcast conditions the remaining 93%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	7	7	7	6	5	5	5	5	5	5	5	5	6	6	6	7	7	7	8	8	8	8	8	10	10	10	10	10	10	11	11
Cloudier (%)	93	93	93	94	95	95	95	95	95	95	95	95	94	94	94	93	93	93	92	92	92	92	92	90	90	90	90	90	90	89	89

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	6	94
5	5	95
6	5	95
7	5	95
8	5	95
9	5	95
10	5	95
11	5	95
12	5	95
13	6	94
14	6	94
15	6	94
16	7	93
17	7	93
18	7	93
19	8	92
20	8	92
21	8	92
22	8	92
23	8	92
24	10	90
25	10	90
26	10	90
27	10	90
28	10	90
29	10	90
30	11	89
31	11	89

Chance of precipitation in May

Any precipitation

Rorainópolis gets around 456 mm of rain over 29.4 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 95% and peaks near 95% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	93	93	93	93	93	94	94	94	94	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95

	Rain chance (%)
1	93
2	93
3	93
4	93
5	93
6	94
7	94
8	94
9	94
10	95
11	95
12	95
13	95
14	95
15	95
16	95
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Oppressive (%)	62	63	63	63	63	63	63	63	63	63	63	63	63	63	64	64	65	65	66	67	68	69	70	71	72	73	74	75	75	76	76
Miserable (%)	38	37	37	37	37	37	37	37	37	37	37	37	37	37	36	36	35	35	34	33	32	31	30	29	28	27	26	25	25	24	24

	Oppressive (%)	Miserable (%)
1	62	38
2	63	37
3	63	37
4	63	37
5	63	37
6	63	37
7	63	37
8	63	37
9	63	37
10	63	37
11	63	37
12	63	37
13	63	37
14	63	37
15	64	36
16	64	36
17	65	35
18	65	35
19	66	34
20	67	33
21	68	32
22	69	31
23	70	30
24	71	29
25	72	28
26	73	27
27	74	26
28	75	25
29	75	25
30	76	24
31	76	24

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	5	calm
2	5	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm
31	4	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 hours at the start of May to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 5:58 AM to 5:58 AM, and sunset from 6:00 PM to 6:01 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.1
Sunrise (AM)	5:58	5:58	5:58	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:57	5:58
Sunset (PM)	6:00	6:00	6:00	6:00	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	6:00	6:00	6:00	6:00	6:00	6:00	6:00	6:00	6:00	6:01

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.0	5:58	6:00
2	12.0	5:58	6:00
3	12.0	5:58	6:00
4	12.0	5:57	6:00
5	12.0	5:57	5:59
6	12.0	5:57	5:59
7	12.0	5:57	5:59
8	12.0	5:57	5:59
9	12.0	5:57	5:59
10	12.0	5:57	5:59
11	12.0	5:57	5:59
12	12.0	5:57	5:59
13	12.0	5:57	5:59
14	12.0	5:57	5:59
15	12.0	5:57	5:59
16	12.0	5:57	5:59
17	12.0	5:57	5:59
18	12.0	5:57	5:59
19	12.0	5:57	5:59
20	12.0	5:57	5:59
21	12.0	5:57	5:59
22	12.0	5:57	6:00
23	12.0	5:57	6:00
24	12.0	5:57	6:00
25	12.0	5:57	6:00
26	12.0	5:57	6:00
27	12.0	5:57	6:00
28	12.0	5:57	6:00
29	12.0	5:57	6:00
30	12.0	5:57	6:00
31	12.1	5:58	6:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.53 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 5.36 kWh/m² in October across the year — May's 3.53 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.6	3.6	3.6	3.6	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.6	Moderate
2	3.6	Moderate
3	3.6	Moderate
4	3.6	Moderate
5	3.5	Moderate
6	3.5	Moderate
7	3.5	Moderate
8	3.5	Moderate
9	3.5	Moderate
10	3.5	Moderate
11	3.5	Moderate
12	3.5	Moderate
13	3.5	Moderate
14	3.5	Moderate
15	3.5	Moderate
16	3.5	Moderate
17	3.5	Moderate
18	3.5	Moderate
19	3.5	Moderate
20	3.6	Moderate
21	3.6	Moderate
22	3.6	Moderate
23	3.6	Moderate
24	3.6	Moderate
25	3.6	Moderate
26	3.6	Moderate
27	3.6	Moderate
28	3.6	Moderate
29	3.6	Moderate
30	3.6	Moderate
31	3.6	Moderate

Planning a trip in May

Hazard calendar for Rorainópolis

In seasonPeak

In May, Rorainópolis sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Rorainópolis's rainy season runs April–July, 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 Rorainópolis?

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

2.9

Sightseeing

11th-best month of the year

3.8

Beach & pool

12th-best month of the year

May is a weaker month for outdoor sightseeing in Rorainópolis.

What to pack for Rorainópolis in May

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

In May, Rorainópolis sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Rorainópolis in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rorainópolis peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	14	14	15	15	12	11	11	11	12	11	10	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	14	Extreme
Mar	15	Extreme
Apr	15	Extreme
May	12	Extreme
Jun	11	Extreme
Jul	11	Extreme
Aug	11	Extreme
Sep	12	Extreme
Oct	11	Extreme
Nov	10	Very high
Dec	11	Extreme

Air quality in Rorainópolis 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 Rorainópolis is worst in March — around 33 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (July, 9 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	20	24	33	25	11	9	9	11	12	14	16	14
Level	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	20	Moderate
Feb	24	Moderate
Mar	33	Moderate
Apr	25	Moderate
May	11	Good
Jun	9	Good
Jul	9	Good
Aug	11	Good
Sep	12	Good
Oct	14	Moderate
Nov	16	Moderate
Dec	14	Moderate

Location & terrain

Where is Rorainópolis?

Rorainópolis sits at 0.9°N, 60.4°W, 82 m above sea level, in Brazil. The nearest listed city is Caracaraí, 125 km away.

Topography around Rorainópolis

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

Within 3 km, the terrain around Rorainópolis has only modest variations in elevation — a maximum elevation change of 49 m around an average of 87 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, large variations in elevation — a maximum elevation change of 858 m.

The land around Rorainópolis is covered by grassland (46%) and trees (45%) within 3 km, trees (66%) and grassland (34%) within 16 km, and trees (81%) within 80 km.

3 km

49 m

grassland 46%

16 km

226 m

trees 66%

80 km

858 m

trees 81%

treesgrasslandartificial surfaceswetland

← April Rorainópolis year-round climate June →Best places to visit in May

May weather nearby: Caracaraí 125 km · Mucajaí 175 km · Cantá 186 km · Boa Vista 210 km · Alto Alegre 248 km · Lethem 278 km · Presidente Figueiredo 334 km · Barcelos 351 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

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 Rorainópolis (0.9461°, -60.4181°, elevation 82 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).

	Avg high (°C)	Avg low (°C)
1	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	23
15	29	23
16	29	23
17	29	23
18	29	23
19	29	23
20	29	23
21	29	23
22	29	23
23	29	23
24	29	23
25	29	23
26	29	23
27	29	23
28	29	23
29	29	23
30	29	23
31	29	23

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	6	94
5	5	95
6	5	95
7	5	95
8	5	95
9	5	95
10	5	95
11	5	95
12	5	95
13	6	94
14	6	94
15	6	94
16	7	93
17	7	93
18	7	93
19	8	92
20	8	92
21	8	92
22	8	92
23	8	92
24	10	90
25	10	90
26	10	90
27	10	90
28	10	90
29	10	90
30	11	89
31	11	89

	Rain chance (%)
1	93
2	93
3	93
4	93
5	93
6	94
7	94
8	94
9	94
10	95
11	95
12	95
13	95
14	95
15	95
16	95
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Oppressive (%)	Miserable (%)
1	62	38
2	63	37
3	63	37
4	63	37
5	63	37
6	63	37
7	63	37
8	63	37
9	63	37
10	63	37
11	63	37
12	63	37
13	63	37
14	63	37
15	64	36
16	64	36
17	65	35
18	65	35
19	66	34
20	67	33
21	68	32
22	69	31
23	70	30
24	71	29
25	72	28
26	73	27
27	74	26
28	75	25
29	75	25
30	76	24
31	76	24

	Avg high (°C)	Avg low (°C)
1	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	23
15	29	23
16	29	23
17	29	23
18	29	23
19	29	23
20	29	23
21	29	23
22	29	23
23	29	23
24	29	23
25	29	23
26	29	23
27	29	23
28	29	23
29	29	23
30	29	23
31	29	23

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	6	94
5	5	95
6	5	95
7	5	95
8	5	95
9	5	95
10	5	95
11	5	95
12	5	95
13	6	94
14	6	94
15	6	94
16	7	93
17	7	93
18	7	93
19	8	92
20	8	92
21	8	92
22	8	92
23	8	92
24	10	90
25	10	90
26	10	90
27	10	90
28	10	90
29	10	90
30	11	89
31	11	89

	Rain chance (%)
1	93
2	93
3	93
4	93
5	93
6	94
7	94
8	94
9	94
10	95
11	95
12	95
13	95
14	95
15	95
16	95
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Oppressive (%)	Miserable (%)
1	62	38
2	63	37
3	63	37
4	63	37
5	63	37
6	63	37
7	63	37
8	63	37
9	63	37
10	63	37
11	63	37
12	63	37
13	63	37
14	63	37
15	64	36
16	64	36
17	65	35
18	65	35
19	66	34
20	67	33
21	68	32
22	69	31
23	70	30
24	71	29
25	72	28
26	73	27
27	74	26
28	75	25
29	75	25
30	76	24
31	76	24

	Avg high (°C)	Avg low (°C)
1	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	23
15	29	23
16	29	23
17	29	23
18	29	23
19	29	23
20	29	23
21	29	23
22	29	23
23	29	23
24	29	23
25	29	23
26	29	23
27	29	23
28	29	23
29	29	23
30	29	23
31	29	23

	Clearer (%)	Cloudier (%)
1	7	93
2	7	93
3	7	93
4	6	94
5	5	95
6	5	95
7	5	95
8	5	95
9	5	95
10	5	95
11	5	95
12	5	95
13	6	94
14	6	94
15	6	94
16	7	93
17	7	93
18	7	93
19	8	92
20	8	92
21	8	92
22	8	92
23	8	92
24	10	90
25	10	90
26	10	90
27	10	90
28	10	90
29	10	90
30	11	89
31	11	89

	Rain chance (%)
1	93
2	93
3	93
4	93
5	93
6	94
7	94
8	94
9	94
10	95
11	95
12	95
13	95
14	95
15	95
16	95
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Oppressive (%)	Miserable (%)
1	62	38
2	63	37
3	63	37
4	63	37
5	63	37
6	63	37
7	63	37
8	63	37
9	63	37
10	63	37
11	63	37
12	63	37
13	63	37
14	63	37
15	64	36
16	64	36
17	65	35
18	65	35
19	66	34
20	67	33
21	68	32
22	69	31
23	70	30
24	71	29
25	72	28
26	73	27
27	74	26
28	75	25
29	75	25
30	76	24
31	76	24