Prainha weather in January

In January, Prainha sees average daytime highs of 31°C and overnight lows near 24°C, with 241 mm of rain across 24.3 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 5% 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 Prainha's 9th-clearest and 7th-windiest month. For the whole year in context, see Prainha's year-round climate.

Daytime high
31°
7th warmest
Overnight low
24°
7th coldest
Rainfall
241 mm
24.3 wet days
Daylight
12 h 06 min
6:40 AM – 6:46 PM
Cloud cover
79%
9th clearest
Wind
8 km/h
7th windiest
Solar energy
4.63 kWh/m²
Travel score
3.0
out of 10

Prainha 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 31°C through the month.

A typical January day in Prainha reaches about 31°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 33°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How January really feels in Prainha

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.

Prainha weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°24124.312.13.0
Feb30° / 24°24623.912.13.0
Mar30° / 24°32028.1122.8
Apr30° / 24°33228.1122.8
May30° / 24°25928.211.92.9
Jun30° / 24°13922.111.93.4
Jul31° / 24°8916.511.94.1
Aug32° / 25°377.911.94.4
Sep33° / 25°315.7123.9
Oct33° / 25°427.1123.6
Nov33° / 25°751012.13.4
Dec32° / 25°11915.812.13.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% 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 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32674
42674
52575
62476
72377
82377
92278
102080
112080
121981
131981
141882
151882
161684
171684
181684
191684
201684
211684
221684
231684
241684
251684
261585
271585
281486
291486
301387
311387

Chance of precipitation in January

Any precipitation

Prainha gets around 241 mm of rain over 24.3 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 78% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
269
370
471
572
673
774
875
976
1077
1178
1279
1379
1480
1581
1681
1781
1881
1981
2081
2181
2281
2381
2481
2581
2681
2781
2881
2981
3081
3181

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17525
27525
37426
47426
57426
67426
77327
87327
97327
107327
117327
127327
137327
147327
157327
167426
177426
187525
197525
207525
217525
227624
237624
247624
257624
267624
277624
287525
297525
307426
317327

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
29calm
39calm
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 6:34 AM to 6:45 AM, and sunset from 6:40 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:346:40
212.16:346:41
312.16:356:41
412.16:356:41
512.16:366:42
612.16:366:42
712.16:376:43
812.16:376:43
912.16:386:43
1012.16:386:44
1112.16:386:44
1212.16:396:45
1312.16:396:45
1412.16:406:45
1512.16:406:46
1612.16:406:46
1712.16:416:46
1812.16:416:47
1912.16:416:47
2012.16:426:47
2112.16:426:48
2212.16:426:48
2312.16:436:48
2412.16:436:48
2512.16:436:48
2612.16:446:49
2712.16:446:49
2812.16:446:49
2912.16:446:49
3012.16:456:49
3112.16:456:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.63 kWh/m².

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 6.41 kWh/m² in October across the year — January's 4.63 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in January

Hazard calendar for Prainha

In seasonPeak

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

Prainha's rainy season runs January–May, when most of the year's rain falls.

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

Is January a good time to visit Prainha?

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

3.0
Sightseeing
8th-best month of the year
4.4
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Prainha.

What to pack for Prainha in January

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

In January, Prainha sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Prainha 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 Prainha peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Prainha 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 Prainha is worst in November — around 26 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1626 µg/m³Jun 239 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar17Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug10Good
Sep12Moderate
Oct20Moderate
Nov26Moderate
Dec20Moderate
Location & terrain

Where is Prainha?

Prainha sits at 1.8°S, 53.5°W, 35 m above sea level, in Brazil. The nearest listed city is Monte Alegre, 70 km away.

Topography around Prainha

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

Within 3 km, the terrain around Prainha has only modest variations in elevation — a maximum elevation change of 52 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 111 m; within 80 km, large variations in elevation — a maximum elevation change of 631 m.

The land around Prainha is covered by trees (39%), water (32%) and grassland (23%) within 3 km, trees (37%), water (31%) and grassland (23%) within 16 km, and trees (66%) within 80 km.

3 km
52 m
16 km
111 m
80 km
631 m
treesgrasslandartificial surfaceswaterwetland
January weather nearby: Monte Alegre 70 km · Almeirim 104 km · Porto de Moz 138 km · Alenquer 141 km · Laranjal do Jari 153 km · Santarém 154 km · Mojuí dos Campos 162 km · Belterra 187 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 Prainha (-1.8°, -53.48°, elevation 35 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).