Nova Mamoré weather in May

In May, Nova Mamoré sees average daytime highs of 30°C and overnight lows near 22°C, with 75 mm of rain across 15.4 wet days and about 11.5 hours of daylight. It is the 11th-warmest and 8th-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 15% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 24 min by month's end. Set against the rest of the year, May is Nova Mamoré's 5th-clearest and 10th-windiest month. For the whole year in context, see Nova Mamoré's year-round climate.

Daytime high
30°
11th warmest
Overnight low
22°
4th coldest
Rainfall
75 mm
15.4 wet days
Daylight
11 h 30 min
6:32 AM – 6:03 PM
Cloud cover
68%
5th clearest
Wind
6 km/h
10th windiest
Solar energy
4.28 kWh/m²
Travel score
4.2
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 Nova Mamoré 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 27°C and 33°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)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303021
313021

How May really feels in Nova Mamoré

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.

Nova Mamoré weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25327.312.52.8
Feb30° / 23°24224.912.32.8
Mar30° / 23°24726.912.12.8
Apr30° / 23°16522.711.83.2
May30° / 22°7515.411.54.2
Jun31° / 21°265.711.45.3
Jul32° / 20°15311.55.3
Aug33° / 21°32511.74.0
Sep33° / 22°7011.611.93.2
Oct33° / 23°12518.612.22.8
Nov32° / 23°18622.612.52.8
Dec31° / 23°24426.112.62.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32773
42872
52971
62971
72971
82971
93169
103169
113169
123169
133268
143367
153367
163466
173565
183664
193862
203862
214060
224159
234258
244258
254456
264555
274753
284852
294951
305149
315248

Chance of precipitation in May

Any precipitation

Nova Mamoré gets around 75 mm of rain over 15.4 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 50% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
163
262
361
460
560
659
759
858
957
1056
1156
1255
1354
1453
1552
1651
1750
1849
1948
2046
2145
2244
2343
2442
2540
2639
2738
2837
2936
3035
3133

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11384542
22384641
32384740
42394739
52394838
62494837
72494936
83495035
93495034
103495133
113495232
1234105132
1334105231
1433105331
1533115330
1623115430
1723125429
1823125528
1923135527
2023145526
2123145625
2223155624
2323155723
2423165722
2523165821
2623175919
2723176018
2823176117
2924186016
3024186214
3124186313

Wind in May

Winds average 6 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
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 24 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 6:29 AM to 6:35 AM, and sunset from 6:08 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:296:08
211.66:306:07
311.66:306:07
411.66:306:07
511.66:306:06
611.66:306:06
711.66:306:06
811.66:306:05
911.66:316:05
1011.66:316:05
1111.66:316:04
1211.66:316:04
1311.56:316:04
1411.56:316:04
1511.56:326:03
1611.56:326:03
1711.56:326:03
1811.56:326:03
1911.56:326:03
2011.56:336:03
2111.56:336:03
2211.56:336:02
2311.56:336:02
2411.56:346:02
2511.56:346:02
2611.56:346:02
2711.56:346:02
2811.56:356:02
2911.56:356:02
3011.46:356:02
3111.46:356:02

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.28 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.6 kWh/m² in September across the year — May's 4.28 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Nova Mamoré

In seasonPeak

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

Nova Mamoré'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 Nova Mamoré?

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

4.2
Sightseeing
3rd-best month of the year
5.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Nova Mamoré for sightseeing.

What to pack for Nova Mamoré in May

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

In May, Nova Mamoré sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 15 days see rain.

light clothesrain gear

UV index in Nova Mamoré 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 Nova Mamoré peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 19UV 15Sep 12UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug6High
Sep3Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Nova Mamoré 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 Nova Mamoré is worst in September — around 78 µg/m³ PM2.5 (unhealthy), about 9.3× the cleanest month (May, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateSep 1275 µg/m³May 218 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun9Good
Jul16Moderate
Aug63Unhealthy
Sep78Unhealthy
Oct29Moderate
Nov17Moderate
Dec12Moderate
Location & terrain

Where is Nova Mamoré?

Nova Mamoré sits at 10.4°S, 65.3°W, 133 m above sea level, in Brazil. The nearest listed city is Guajará Mirim, 42 km away.

Candeias do Jamari

Topography around Nova Mamoré

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

Within 3 km, the terrain around Nova Mamoré has only modest variations in elevation — a maximum elevation change of 58 m around an average of 136 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, significant variations in elevation — a maximum elevation change of 372 m.

The land around Nova Mamoré is covered by grassland (54%) and trees (35%) within 3 km, trees (55%) and grassland (39%) within 16 km, and trees (78%) and grassland (20%) within 80 km.

3 km
58 m
16 km
135 m
80 km
372 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Guajará Mirim 42 km · Guayaramerín 47 km · Riberalta 104 km · Buritis 165 km · Plácido de Castro 203 km · Alto Paraíso 233 km · Porto Velho 240 km · Candeias do Jamari 252 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 Nova Mamoré (-10.4019°, -65.3267°, elevation 133 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).