Bom Jesus das Selvas weather in January

In January, Bom Jesus das Selvas sees average daytime highs of 31°C and overnight lows near 23°C, with 202 mm of rain across 25.1 wet days and about 12.2 hours of daylight. It is the 9th-warmest and 3rd-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 3% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Bom Jesus das Selvas's 10th-clearest and 9th-windiest month. For the whole year in context, see Bom Jesus das Selvas's year-round climate.

Daytime high
31°
9th warmest
Overnight low
23°
7th coldest
Rainfall
202 mm
25.1 wet days
Daylight
12 h 12 min
6:10 AM – 6:24 PM
Cloud cover
83%
10th clearest
Wind
6 km/h
9th windiest
Solar energy
4.58 kWh/m²
Travel score
2.9
out of 10

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 Bom Jesus das Selvas reaches about 31°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 28°C and 33°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223122
233122
243122
253122
263022
273022
283022
293022
303022
313022

How January really feels in Bom Jesus das Selvas

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.

Bom Jesus das Selvas weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20225.112.22.9
Feb30° / 22°21924.412.12.9
Mar30° / 23°24328.2122.8
Apr30° / 23°18425.411.93.0
May31° / 22°9615.511.83.9
Jun32° / 22°194.411.74.9
Jul33° / 21°92.311.84.5
Aug34° / 22°40.711.93.8
Sep35° / 23°91.7123.4
Oct34° / 23°234.312.13.3
Nov33° / 23°5810.212.23.2
Dec32° / 23°1191712.33.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41585
51585
61387
71387
81387
91387
101288
111288
121189
131189
141189
151189
161189
171189
181189
191189
201189
211189
221288
231288
241288
251288
261288
271189
281189
291189
301189
311189

Chance of precipitation in January

Any precipitation

Bom Jesus das Selvas gets around 202 mm of rain over 25.1 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 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
172
273
374
475
576
676
777
878
979
1079
1180
1281
1382
1482
1583
1683
1784
1884
1984
2084
2184
2284
2384
2484
2584
2684
2784
2884
2983
3083
3183

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 (%)
11981
21990
31990
41990
52980
62980
72980
82980
92980
102980
112980
122980
132980
142980
152980
162980
172971
182971
192971
202971
212971
221981
231981
241981
251972
261972
271972
281972
290973
300973
310973

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 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
16calm
26calm
36calm
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 January

DaylightNight

Daylight runs from about 12 h 18 min at the start of January to 12 h 12 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 6:03 AM to 6:15 AM, and sunset from 6:18 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:036:18
212.36:036:19
312.36:046:19
412.36:046:19
512.36:056:20
612.36:056:20
712.26:066:21
812.26:066:21
912.26:076:21
1012.26:076:22
1112.26:086:22
1212.26:086:22
1312.26:086:23
1412.26:096:23
1512.26:096:23
1612.26:106:24
1712.26:106:24
1812.26:106:24
1912.26:116:25
2012.26:116:25
2112.26:126:25
2212.26:126:25
2312.26:126:25
2412.26:136:26
2512.26:136:26
2612.26:136:26
2712.26:146:26
2812.26:146:26
2912.26:146:26
3012.26:156:27
3112.26:156:27

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.58 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.09 kWh/m² in September across the year — January's 4.58 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
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 Bom Jesus das Selvas

In seasonPeak

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

Bom Jesus das Selvas's monsoon runs December–April, 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 Bom Jesus das Selvas?

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

2.9
Sightseeing
10th-best month of the year
4.2
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Bom Jesus das Selvas.

What to pack for Bom Jesus das Selvas in January

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

In January, Bom Jesus das Selvas sees daytime highs around 31°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 Bom Jesus das Selvas 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 Bom Jesus das Selvas peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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 15Dec 11UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Bom Jesus das Selvas 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 Bom Jesus das Selvas is worst in November — around 43 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (June, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateNov 1442 µg/m³Jun 157 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar13Moderate
Apr11Good
May9Good
Jun7Good
Jul10Good
Aug15Moderate
Sep16Moderate
Oct35Moderate
Nov43Poor
Dec30Moderate
Location & terrain

Where is Bom Jesus das Selvas?

Bom Jesus das Selvas sits at 4.5°S, 46.9°W, 199 m above sea level, in Brazil. The nearest listed city is Buriticupu, 48 km away.

Topography around Bom Jesus das Selvas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bom Jesus das Selvas.

Within 3 km, the terrain around Bom Jesus das Selvas has only modest variations in elevation — a maximum elevation change of 145 m around an average of 165 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, significant variations in elevation — a maximum elevation change of 401 m.

The land around Bom Jesus das Selvas is covered by grassland (54%) and trees (35%) within 3 km, trees (50%) and grassland (48%) within 16 km, and trees (55%) and grassland (41%) within 80 km.

3 km
145 m
16 km
231 m
80 km
401 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: Buriticupu 48 km · Itinga do Maranhão 75 km · Dom Eliseu 76 km · Açailândia 89 km · Arame 104 km · Ulianópolis 109 km · Amarante do Maranhão 121 km · João Lisboa 123 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 Bom Jesus das Selvas (-4.4835°, -46.8533°, elevation 199 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).