Serro weather in January

In January, Serro sees average daytime highs of 27°C and overnight lows near 18°C, with 224 mm of rain across 17 wet days and about 13 hours of daylight. It is the 2nd-warmest and 3rd-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 16% of the time in January, and the air most often feels humid.

Daylight stretches from about 13 h 06 min at the start of January to 12 h 48 min by month's end. Set against the rest of the year, January is Serro's 10th-clearest and 6th-windiest month. For the whole year in context, see Serro's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
18°
12th coldest
Rainfall
224 mm
17 wet days
Daylight
13 hours
6:33 AM – 7:33 PM
Cloud cover
74%
10th clearest
Wind
7 km/h
6th windiest
Solar energy
5.9 kWh/m²
Travel score
5.3
out of 10

Serro 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 Serro reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12618
22618
32618
42618
52618
62618
72618
82618
92618
102618
112618
122618
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Serro weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°22417135.3
Feb27° / 18°15513.312.65.7
Mar26° / 17°17816.712.15.5
Apr25° / 16°9012.111.66.4
May24° / 14°346.811.17.4
Jun23° / 13°112.710.98.0
Jul23° / 12°82.2118.2
Aug24° / 12°122.911.48.4
Sep26° / 14°486.711.97.4
Oct26° / 16°11712.112.46.3
Nov25° / 17°25619.912.94.9
Dec26° / 18°30921.613.14.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42872
52872
62872
72872
82773
92872
102872
112872
122971
132971
142971
152872
162971
172971
182971
192971
202971
213070
223070
233070
243070
253070
263070
273169
283169
293169
303268
313268

Chance of precipitation in January

Any precipitation

Serro gets around 224 mm of rain over 17 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 55% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
161
261
360
459
558
657
756
856
955
1054
1154
1253
1353
1453
1553
1653
1753
1854
1954
2054
2154
2254
2354
2454
2554
2653
2753
2852
2952
3051
3151

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
1114842
2114842
3114842
4114841
5114841
6114841
7114841
8114840
9114940
10114940
11114940
12114940
13114940
14114940
15114940
16114940
17114941
18114841
19114842
20114742
21114742
22114643
23114643
24114743
25114742
26114742
27114841
28114841
29114940
30114939
31125039

Wind in January

Winds average 7 km/h in January.

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

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 06 min at the start of January to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:24 AM to 6:42 AM, and sunset from 7:30 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:247:30
213.16:247:30
313.16:257:30
413.16:257:31
513.16:267:31
613.16:277:31
713.16:277:31
813.16:287:32
913.16:287:32
1013.16:297:32
1113.06:307:32
1213.06:307:32
1313.06:317:33
1413.06:317:33
1513.06:327:33
1613.06:337:33
1713.06:337:33
1813.06:347:33
1913.06:347:33
2013.06:357:33
2113.06:367:33
2212.96:367:33
2312.96:377:33
2412.96:387:33
2512.96:387:33
2612.96:397:33
2712.96:397:33
2812.96:407:33
2912.96:407:32
3012.96:417:32
3112.86:427:32

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.9 kWh/m².

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 6.01 kWh/m² in February across the year — January's 5.9 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Intense
Planning a trip in January

Hazard calendar for Serro

In seasonPeak

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

Serro's monsoon runs November–March, 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 Serro?

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

5.3
Sightseeing
10th-best month of the year
5.3
Beach & pool
10th-best month of the year

January is a reasonable time to visit Serro for sightseeing.

What to pack for Serro in January

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

In January, Serro sees daytime highs around 27°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

UV index in Serro 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 Serro peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 12UV 15Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Serro?

Serro sits at 18.6°S, 43.4°W, 821 m above sea level, in Brazil. The nearest listed city is Diamantina, 46 km away.

Topography around Serro

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

Within 3 km, the terrain around Serro has only modest variations in elevation — a maximum elevation change of 229 m around an average of 810 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 926 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,684 m.

The land around Serro is covered by trees (52%) and grassland (43%) within 3 km, trees (55%) and grassland (45%) within 16 km, and trees (50%) and grassland (46%) within 80 km.

3 km
229 m
16 km
926 m
80 km
1,684 m
treesshrubsgrasslandartificial surfaces
January weather nearby: Diamantina 46 km · Conceição do Mato Dentro 48 km · Guanhães 51 km · São João Evangelista 65 km · Peçanha 87 km · Itamarandiba 100 km · Jaboticatubas 108 km · Curvelo 112 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 Serro (-18.6047°, -43.3794°, elevation 821 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).