Guaçuí weather in January

In January, Guaçuí sees average daytime highs of 29°C and overnight lows near 20°C, with 195 mm of rain across 16.4 wet days and about 13.1 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 18% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 12 min at the start of January to 12 h 54 min by month's end. Set against the rest of the year, January is Guaçuí's 10th-clearest and 6th-windiest month. For the whole year in context, see Guaçuí's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
20°
12th coldest
Rainfall
195 mm
16.4 wet days
Daylight
13 h 06 min
6:22 AM – 7:30 PM
Cloud cover
73%
10th clearest
Wind
7 km/h
6th windiest
Solar energy
5.99 kWh/m²
Travel score
4.7
out of 10

Guaçuí 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 29°C through the month.

A typical January day in Guaçuí reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92820
102820
112820
122820
132820
142820
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Guaçuí weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°19516.413.14.7
Feb29° / 19°13612.712.74.8
Mar28° / 19°19618.712.14.9
Apr26° / 17°10514.211.55.9
May24° / 15°569.5117.0
Jun24° / 14°27610.87.7
Jul24° / 14°225.610.97.8
Aug24° / 14°275.811.37.8
Sep25° / 15°741011.96.8
Oct26° / 17°12813.712.55.9
Nov26° / 18°23319134.9
Dec27° / 19°27821.513.24.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% 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 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22971
32971
42971
52971
62971
72971
82872
92872
102971
112971
122971
133070
143070
153070
163070
173070
183169
193169
203169
213169
223169
233268
243268
253367
263367
273466
283565
293565
303565
313565

Chance of precipitation in January

Any precipitation

Guaçuí gets around 195 mm of rain over 16.4 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 53% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
160
259
358
457
556
655
754
853
953
1052
1152
1252
1352
1452
1552
1652
1752
1853
1953
2053
2153
2253
2353
2452
2552
2651
2751
2850
2950
3049
3149

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
121754
221754
322735
422735
522735
623725
723725
823716
923716
1024706
1124706
1224706
1324706
1424706
1524706
1624706
1724706
1824706
1924706
2024706
2124706
2225696
2325705
2425705
2525705
2625705
2725705
2825705
2925705
3025705
3126695

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 12 min at the start of January to 12 h 54 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 6:13 AM to 6:32 AM, and sunset from 7:27 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:137:27
213.26:137:27
313.26:147:28
413.26:147:28
513.26:157:28
613.26:167:29
713.26:167:29
813.26:177:29
913.26:177:29
1013.26:187:29
1113.26:197:30
1213.26:197:30
1313.26:207:30
1413.26:217:30
1513.16:217:30
1613.16:227:30
1713.16:237:30
1813.16:237:30
1913.16:247:30
2013.16:257:30
2113.16:257:30
2213.16:267:30
2313.16:277:30
2413.06:277:30
2513.06:287:30
2613.06:287:30
2713.06:297:29
2813.06:307:29
2913.06:307:29
3013.06:317:29
3112.96:327:29

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.99 kWh/m².

For context, solar energy here swings from a low near 3.54 kWh/m² to a high of 6.05 kWh/m² in February across the year — January's 5.99 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Bright
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in January

Hazard calendar for Guaçuí

In seasonPeak

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

Guaçuí's rainy season runs October–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 Guaçuí?

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

4.7
Sightseeing
11th-best month of the year
5.8
Beach & pool
8th-best month of the year

January is a reasonable time to visit Guaçuí for sightseeing.

What to pack for Guaçuí in January

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

In January, Guaçuí sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Guaçuí in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guaçuí peaks around February 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 11UV 15Jun 21UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Guaçuí?

Guaçuí sits at 20.8°S, 41.7°W, 597 m above sea level, in Brazil. The nearest listed city is Alegre, 15 km away.

Topography around Guaçuí

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

Within 3 km, the terrain around Guaçuí has significant variations in elevation — a maximum elevation change of 340 m around an average of 663 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,092 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,840 m.

The land around Guaçuí is covered by grassland (56%) and trees (36%) within 3 km, grassland (59%) and trees (39%) within 16 km, and grassland (54%) and trees (45%) within 80 km.

3 km
340 m
16 km
1,092 m
80 km
2,840 m
treesgrasslandartificial surfaces
January weather nearby: Alegre 15 km · Espera Feliz 27 km · Carangola 37 km · Bom Jesus do Itabapoana 40 km · Natividade 43 km · Porciúncula 43 km · Muniz Freire 44 km · Mimoso do Sul 46 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 Guaçuí (-20.7756°, -41.6794°, elevation 597 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).