Monte Sião weather in January

In January, Monte Sião sees average daytime highs of 27°C and overnight lows near 19°C, with 235 mm of rain across 22.5 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 12% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Monte Sião's 12th-clearest and 9th-windiest month. For the whole year in context, see Monte Sião's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
19°
12th coldest
Rainfall
235 mm
22.5 wet days
Daylight
13 h 12 min
6:39 AM – 7:53 PM
Cloud cover
76%
12th clearest
Wind
8 km/h
9th windiest
Solar energy
5.4 kWh/m²
Travel score
4.5
out of 10

Monte Sião 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 27°C through the month.

A typical January day in Monte Sião reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282819
292819
302819
312819

Monte Sião weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°23522.513.24.5
Feb28° / 19°16918.812.84.8
Mar27° / 18°12918.112.25.3
Apr26° / 16°619.111.57.0
May23° / 14°536.110.97.7
Jun23° / 13°354.110.78.1
Jul23° / 12°313.410.88.4
Aug25° / 13°263.811.28.4
Sep27° / 15°758.511.97.1
Oct27° / 17°10413.412.56.0
Nov27° / 18°14416.813.15.4
Dec27° / 19°19920.713.34.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
32773
42773
52773
62674
72674
82674
92674
102674
112674
122674
132674
142674
152674
162674
172674
182674
192674
202674
212773
222773
232872
242872
252872
262971
272971
282971
293070
303169
313268

Chance of precipitation in January

Any precipitation

Monte Sião gets around 235 mm of rain over 22.5 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 72% and peaks near 73% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
373
473
573
673
772
872
972
1072
1171
1271
1371
1471
1571
1671
1771
1871
1971
2072
2172
2272
2372
2472
2573
2673
2773
2873
2973
3072
3172

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1064747
2064647
3064648
4064648
5064549
6064549
7064549
8064549
9064549
10064549
11064549
12064648
13064648
14064648
15064648
16064748
17054748
18054648
19054649
20054550
21054550
22054451
23154351
24154252
25154153
26154054
27154054
28163954
29163855
30173854
31173854

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
127calm
137calm
147calm
157calm
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 13 h 24 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over January. Sunrise moves from 6:29 AM to 6:49 AM, and sunset from 7:50 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:297:50
213.36:297:50
313.36:307:51
413.36:317:51
513.36:317:51
613.36:327:51
713.36:337:52
813.36:337:52
913.36:347:52
1013.36:357:52
1113.36:357:52
1213.36:367:52
1313.36:377:52
1413.36:377:53
1513.26:387:53
1613.26:397:53
1713.26:397:53
1813.26:407:53
1913.26:417:53
2013.26:417:53
2113.26:427:52
2213.26:437:52
2313.26:437:52
2413.16:447:52
2513.16:457:52
2613.16:457:52
2713.16:467:52
2813.16:477:51
2913.16:477:51
3013.06:487:51
3113.06:497:51

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.4 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 5.78 kWh/m² in November across the year — January's 5.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in January

Hazard calendar for Monte Sião

In seasonPeak

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

Monte Sião's rainy season runs November–March, 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 Monte Sião?

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

4.5
Sightseeing
12th-best month of the year
4.7
Beach & pool
12th-best month of the year

January is a reasonable time to visit Monte Sião for sightseeing.

What to pack for Monte Sião in January

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

In January, Monte Sião sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Monte Sião 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 Monte Sião peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 24UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Monte Sião 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 Monte Sião is worst in September — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1227 µg/m³Dec 1515 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar18Moderate
Apr21Moderate
May24Moderate
Jun25Moderate
Jul26Moderate
Aug25Moderate
Sep27Moderate
Oct20Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Monte Sião?

Monte Sião sits at 22.4°S, 46.6°W, 857 m above sea level, in Brazil. The nearest listed city is Águas de Lindóia, 8.0 km away.

Topography around Monte Sião

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

Within 3 km, the terrain around Monte Sião has significant variations in elevation — a maximum elevation change of 454 m around an average of 904 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 685 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,494 m.

The land around Monte Sião is covered by grassland (53%) and trees (30%) within 3 km, grassland (52%) and trees (36%) within 16 km, and grassland (40%) and trees (36%) within 80 km.

3 km
454 m
16 km
685 m
80 km
1,494 m
treesgrasslandcroplandartificial surfaces
January weather nearby: Águas de Lindóia 8.0 km · Jacutinga 17 km · Socorro 18 km · Serra Negra 24 km · Itapira 26 km · Ouro Fino 27 km · Espírito Santo do Pinhal 32 km · Amparo 36 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 Monte Sião (-22.4325°, -46.5725°, elevation 857 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).