Irituia weather in January

In January, Irituia sees average daytime highs of 32°C and overnight lows near 23°C, with 198 mm of rain across 25.2 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 2% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Irituia's 9th-clearest and 7th-windiest month. For the whole year in context, see Irituia's year-round climate.

Daytime high
32°
6th warmest
Overnight low
23°
9th coldest
Rainfall
198 mm
25.2 wet days
Daylight
12 h 06 min
6:16 AM – 6:22 PM
Cloud cover
81%
9th clearest
Wind
8 km/h
7th windiest
Solar energy
4.59 kWh/m²
Travel score
2.6
out of 10

Irituia is human settlement in 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 32°C through the month.

A typical January day in Irituia reaches about 32°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C warmer than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113223
123223
133223
143223
153223
163223
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Irituia

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.

Irituia weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°19825.212.12.6
Feb31° / 23°27625.912.12.5
Mar31° / 23°35230.1122.5
Apr31° / 23°34828.9122.5
May31° / 23°21525.511.92.8
Jun31° / 23°9518.511.93.5
Jul32° / 22°6613.311.94.0
Aug33° / 23°287.611.94.0
Sep34° / 23°215.6123.6
Oct34° / 24°246123.3
Nov34° / 24°417.312.13.2
Dec33° / 24°891512.13.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32476
42476
52278
62278
72278
82080
92080
101981
111882
121783
131684
141585
151486
161486
171387
181288
191288
201288
211288
221288
231288
241288
251288
261288
271387
281387
291387
301288
311288

Chance of precipitation in January

Any precipitation

Irituia gets around 198 mm of rain over 25.2 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 81% and peaks near 87% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
170
271
372
473
575
676
777
878
979
1079
1180
1281
1382
1483
1583
1684
1784
1884
1985
2085
2185
2285
2385
2485
2585
2686
2786
2886
2987
3087
3187

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11936
21936
31936
41936
51927
61927
71927
80937
90937
100937
110937
120937
130937
140937
150937
160937
170937
180937
190928
200928
210928
220928
230919
240919
250919
2609010
2709010
2809010
2908911
3008911
3108812

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 06 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 grow by about 0 minutes over January. Sunrise moves from 6:10 AM to 6:21 AM, and sunset from 6:16 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:106:16
212.16:106:16
312.16:116:17
412.16:116:17
512.16:126:18
612.16:126:18
712.16:136:18
812.16:136:19
912.16:136:19
1012.16:146:20
1112.16:146:20
1212.16:156:20
1312.16:156:21
1412.16:166:21
1512.16:166:21
1612.16:166:22
1712.16:176:22
1812.16:176:22
1912.16:176:23
2012.16:186:23
2112.16:186:23
2212.16:186:24
2312.16:196:24
2412.16:196:24
2512.16:196:24
2612.16:206:25
2712.16:206:25
2812.16:206:25
2912.16:206:25
3012.16:216:25
3112.16:216:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.59 kWh/m².

For context, solar energy here swings from a low near 4.09 kWh/m² to a high of 6.1 kWh/m² in October across the year — January's 4.59 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
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
294.5Bright
304.5Bright
314.5Bright
Planning a trip in January

Hazard calendar for Irituia

In seasonPeak

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

Irituia's monsoon runs January–May, 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 Irituia?

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

2.6
Sightseeing
9th-best month of the year
4.1
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Irituia.

What to pack for Irituia in January

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

In January, Irituia sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Irituia in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Irituia peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Irituia 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 Irituia is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 2020 µg/m³Jul 128 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar20Moderate
Apr15Moderate
May10Good
Jun8Good
Jul8Good
Aug9Good
Sep11Good
Oct13Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Irituia?

Irituia sits at 1.8°S, 47.4°W, 18 m above sea level, in Brazil. The nearest listed city is São Miguel do Guamá, 17 km away.

Topography around Irituia

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

Within 3 km, the terrain around Irituia has only modest variations in elevation — a maximum elevation change of 60 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, only modest variations in elevation — a maximum elevation change of 163 m.

The land around Irituia is covered by trees (67%) and grassland (30%) within 3 km, trees (67%) and grassland (32%) within 16 km, and trees (60%) and grassland (39%) within 80 km.

3 km
60 m
16 km
80 m
80 km
163 m
treesgrasslandartificial surfaceswaterwetland
January weather nearby: São Miguel do Guamá 17 km · Mãe do Rio 33 km · São Domingos do Capim 39 km · Capitão Poço 42 km · Aurora do Pará 43 km · Ourém 43 km · Garrafão do Norte 47 km · Santa Maria do Pará 49 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 Irituia (-1.7711°, -47.4381°, elevation 18 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).