Diamantino weather in January

In January, Diamantino sees average daytime highs of 30°C and overnight lows near 22°C, with 267 mm of rain across 27 wet days and about 12.8 hours of daylight. It is the 9th-warmest and 1st-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 4% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of January to 12 h 36 min by month's end. Set against the rest of the year, January is Diamantino's 12th-clearest and 8th-windiest month. For the whole year in context, see Diamantino's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
12th coldest
Rainfall
267 mm
27 wet days
Daylight
12 h 48 min
6:32 AM – 7:18 PM
Cloud cover
82%
12th clearest
Wind
7 km/h
8th windiest
Solar energy
5.23 kWh/m²
Travel score
2.9
out of 10

Diamantino is human settlement in Diamantino municipality, Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Diamantino 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 33°C. Set against its neighbours, January runs on par with December and on par with February.

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
303022
313022

How January really feels in Diamantino

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Diamantino weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°2672712.82.9
Feb30° / 22°24524.912.52.8
Mar31° / 22°22626.212.12.9
Apr31° / 22°1101711.73.9
May30° / 20°34611.35.5
Jun30° / 19°91.311.26.2
Jul31° / 18°40.811.26.2
Aug33° / 19°111.911.54.8
Sep33° / 21°488.511.93.6
Oct33° / 22°13018.912.33.0
Nov31° / 22°1932312.72.9
Dec31° / 22°2242612.82.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31783
41783
51783
61684
71684
81684
91684
101684
111684
121684
131684
141783
151783
161783
171882
181882
191882
201981
211981
221981
231981
241981
251981
261981
271981
281981
291981
301981
311882

Chance of precipitation in January

Any precipitation

Diamantino gets around 267 mm of rain over 27 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
287
387
487
587
687
787
887
987
1087
1187
1286
1386
1486
1586
1686
1786
1886
1986
2086
2186
2286
2386
2487
2587
2687
2788
2888
2988
3089
3189

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12971
22971
31981
41981
51981
61981
71981
81981
91972
101972
111972
121972
131972
141972
151972
161972
171972
181972
191972
201972
211972
221972
231963
242953
252953
262953
272953
282953
292953
302953
312944

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 7 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
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 48 min at the start of January to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 6:24 AM to 6:40 AM, and sunset from 7:14 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:247:14
212.86:247:14
312.86:257:15
412.86:257:15
512.86:267:15
612.86:277:16
712.86:277:16
812.86:287:16
912.86:287:17
1012.86:297:17
1112.86:297:17
1212.86:307:17
1312.86:307:18
1412.86:317:18
1512.86:327:18
1612.86:327:18
1712.86:337:18
1812.86:337:18
1912.76:347:18
2012.76:347:19
2112.76:357:19
2212.76:357:19
2312.76:367:19
2412.76:367:19
2512.76:377:19
2612.76:377:19
2712.76:387:19
2812.76:387:19
2912.76:397:19
3012.76:397:18
3112.66:407:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.23 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 5.94 kWh/m² in October across the year — January's 5.23 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Diamantino

In seasonPeak

In January, Diamantino sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Diamantino's monsoon runs October–March, when most of the year's rain falls.

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

Is January a good time to visit Diamantino?

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

2.9
Sightseeing
8th-best month of the year
4.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Diamantino.

What to pack for Diamantino in January

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

In January, Diamantino sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Diamantino in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Diamantino peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 22UV 15Sep 15UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep5Moderate
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Diamantino in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Diamantino is worst in September — around 50 µg/m³ PM2.5 (poor), about 7.8× the cleanest month (July, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1646 µg/m³Jul 107 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar10Good
Apr9Good
May8Good
Jun7Good
Jul6Good
Aug20Moderate
Sep50Poor
Oct20Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Diamantino?

Diamantino sits at 14.4°S, 56.4°W, 282 m above sea level, in Brazil. The nearest listed city is Nobres, 37 km away.

Topography around Diamantino

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

Within 3 km, the terrain around Diamantino has only modest variations in elevation — a maximum elevation change of 237 m around an average of 303 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 327 m; within 80 km, significant variations in elevation — a maximum elevation change of 542 m.

The land around Diamantino is covered by trees (49%) and grassland (32%) within 3 km, trees (47%), grassland (23%) and cropland (22%) within 16 km, and trees (45%), grassland (29%) and cropland (22%) within 80 km.

3 km
237 m
16 km
327 m
80 km
542 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: Nobres 37 km · Rosário Oeste 48 km · Nova Mutum 75 km · Nova Olímpia 100 km · Barra do Bugres 108 km · Tangará da Serra 114 km · Cuiabá 137 km · Chapada dos Guimarães 139 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 Diamantino (-14.4086°, -56.4461°, elevation 282 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).