Manaus weather in January

In January, Manaus sees average daytime highs of 30°C and overnight lows near 24°C, with 296 mm of rain across 28 wet days and about 12.2 hours of daylight. It is the 8th-warmest and 4th-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 1% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Manaus's 9th-clearest and 3rd-windiest month. For the whole year in context, see Manaus's year-round climate.

Daytime high
30°
8th warmest
Overnight low
24°
8th coldest
Rainfall
296 mm
28 wet days
Daylight
12 h 12 min
6:05 AM – 6:14 PM
Cloud cover
88%
9th clearest
Wind
6 km/h
3rd windiest
Solar energy
4.32 kWh/m²
Travel score
2.8
out of 10

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 Manaus reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How January really feels in Manaus

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.

Manaus weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°2962812.22.8
Feb30° / 24°29225.312.12.8
Mar30° / 24°37529.5122.7
Apr30° / 24°36328.811.92.6
May30° / 24°31229.111.92.7
Jun30° / 23°16423.611.83.2
Jul31° / 23°10519.911.83.6
Aug32° / 24°9917.411.93.3
Sep33° / 24°12119.6122.9
Oct32° / 24°15921.612.12.7
Nov32° / 24°19323.612.12.6
Dec31° / 24°28928.212.22.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 5% of January, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15694
16595
17595
18595
19595
20595
21595
22595
23595
24595
25595
26595
27595
28694
29694
30694
31595

Chance of precipitation in January

Any precipitation

Manaus gets around 296 mm of rain over 28 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 91% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
393
492
592
692
792
892
992
1092
1192
1292
1392
1491
1591
1691
1791
1890
1990
2090
2190
2289
2389
2489
2589
2689
2788
2888
2988
3088
3188

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

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15842
25941
36040
46238
56337
66436
76535
86634
96634
106733
116832
126832
136832
146931
156931
166931
176931
186931
196931
206931
216931
226832
236832
246832
256832
266832
276832
286931
296931
306931
316931

Wind in January

Winds average 6 km/h in January.

Across January, 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
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

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

Days shrink by about 6 minutes over January. Sunrise moves from 5:58 AM to 6:09 AM, and sunset from 6:09 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:586:09
212.25:586:09
312.25:596:09
412.25:596:10
512.26:006:10
612.26:006:11
712.26:016:11
812.26:016:11
912.26:026:12
1012.26:026:12
1112.26:026:13
1212.26:036:13
1312.26:036:13
1412.26:046:14
1512.26:046:14
1612.26:056:14
1712.26:056:15
1812.26:056:15
1912.26:066:15
2012.26:066:15
2112.26:066:16
2212.26:076:16
2312.26:076:16
2412.16:076:16
2512.16:086:17
2612.16:086:17
2712.16:086:17
2812.16:096:17
2912.16:096:17
3012.16:096:17
3112.16:096:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.32 kWh/m².

For context, solar energy here swings from a low near 3.89 kWh/m² to a high of 5.53 kWh/m² in October across the year — January's 4.32 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in January

Is January a good time to visit Manaus?

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

2.8
Sightseeing
5th-best month of the year
3.8
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Manaus.

What to pack for Manaus in January

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

In January, Manaus sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Manaus 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 Manaus peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highExtremeMar 13UV 15Nov 12UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct10Very high
Nov9Very high
Dec12Extreme

Air quality in Manaus 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 Manaus is worst in October — around 29 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1129 µg/m³Jun 1412 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar16Moderate
Apr15Moderate
May12Good
Jun12Good
Jul12Moderate
Aug20Moderate
Sep28Moderate
Oct29Moderate
Nov24Moderate
Dec18Moderate
Location & terrain

Where is Manaus?

Manaus sits at 3.1°S, 60.0°W, 20 m above sea level, in Brazil. The nearest listed city is Careiro da Várzea, 24 km away.

Topography around Manaus

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

Within 3 km, the terrain around Manaus has only modest variations in elevation — a maximum elevation change of 71 m around an average of 45 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, only modest variations in elevation — a maximum elevation change of 180 m.

The land around Manaus is covered by artificial surfaces (78%) within 3 km, trees (42%), water (27%) and artificial surfaces (23%) within 16 km, and trees (79%) within 80 km.

3 km
71 m
16 km
122 m
80 km
180 m
treesgrasslandartificial surfacesbare terrainwaterwetland
January weather nearby: Careiro da Várzea 24 km · Iranduba 27 km · Rio Preto da Eva 57 km · Manaquiri 60 km · Manacapuru 70 km · Careiro 83 km · Autazes 113 km · Novo Airão 115 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 Manaus (-3.1019°, -60.025°, elevation 20 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).