Júlio de Castilhos weather in January

In January, Júlio de Castilhos sees average daytime highs of 29°C and overnight lows near 19°C, with 173 mm of rain across 15.5 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 2nd-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 32% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of January to 13 h 24 min by month's end. Set against the rest of the year, January is Júlio de Castilhos's 7th-clearest and 8th-windiest month. For the whole year in context, see Júlio de Castilhos's year-round climate.

Daytime high
29°
1st warmest
Overnight low
19°
12th coldest
Rainfall
173 mm
15.5 wet days
Daylight
13 h 42 min
6:54 AM – 8:34 PM
Cloud cover
58%
7th clearest
Wind
12 km/h
8th windiest
Solar energy
6.45 kWh/m²
Travel score
5.0
out of 10

Júlio de Castilhos 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 Júlio de Castilhos reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, January runs on par with December and about 1°C warmer than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
112919
122919
132919
142919
152919
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262819
272819
282819
292819
302819
312819

Júlio de Castilhos weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°17315.513.75.0
Feb28° / 18°14514.2135.4
Mar27° / 17°13212.612.26.2
Apr24° / 15°14610.411.36.8
May20° / 11°1289.210.66.5
Jun18° / 10°13610.110.25.9
Jul18° / 15810.310.35.9
Aug20° / 10°1309.9116.5
Sep21° / 12°16711.211.86.3
Oct24° / 14°22613.212.76.4
Nov26° / 15°15111.313.56.5
Dec28° / 18°17213.213.85.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55248
65248
75248
85248
95248
105149
115248
125248
135149
145149
155149
165149
175149
185149
195149
205149
215149
225149
235149
245149
255050
265050
275050
285149
295149
305149
315149

Chance of precipitation in January

Any precipitation

Júlio de Castilhos gets around 173 mm of rain over 15.5 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 51% and peaks near 55% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
348
448
548
648
749
849
949
1050
1150
1250
1351
1451
1551
1651
1751
1851
1951
2051
2152
2252
2352
2452
2553
2653
2753
2854
2954
3054
3155

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1316253719
2316253719
3315243820
4315243820
5315243920
6314243920
7314234020
8314234020
9413234119
10413234219
11412234318
12412234417
13411234517
14411234516
15410244616
16410244715
17410244715
1849244814
1949244814
2049244814
2149244814
2249244814
2339244915
2439244915
2539244916
2629234917
2729234818
2829234819
2929234720
3029224720
3129224621

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 48 min at the start of January to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over January. Sunrise moves from 6:43 AM to 7:06 AM, and sunset from 8:33 PM to 8:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:438:33
213.86:438:33
313.86:448:34
413.86:458:34
513.86:458:34
613.86:468:34
713.86:478:34
813.86:478:34
913.86:488:34
1013.86:498:35
1113.76:508:35
1213.76:508:35
1313.76:518:35
1413.76:528:35
1513.76:538:35
1613.76:548:34
1713.76:548:34
1813.66:558:34
1913.66:568:34
2013.66:578:34
2113.66:588:34
2213.66:588:33
2313.66:598:33
2413.57:008:33
2513.57:018:33
2613.57:028:32
2713.57:038:32
2813.57:038:31
2913.47:048:31
3013.47:058:31
3113.47:068:30

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.45 kWh/m².

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 6.69 kWh/m² in December across the year — January's 6.45 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in January

Is January a good time to visit Júlio de Castilhos?

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

5.0
Sightseeing
12th-best month of the year
6.1
Beach & pool
4th-best month of the year

January is a reasonable time to visit Júlio de Castilhos for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Júlio de Castilhos in January

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

In January, Júlio de Castilhos sees daytime highs around 29°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Júlio de Castilhos 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 Júlio de Castilhos peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 19UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Júlio de Castilhos?

Júlio de Castilhos sits at 29.2°S, 53.7°W, 529 m above sea level, in Brazil. The nearest listed city is Tupanciretã, 22 km away.

Topography around Júlio de Castilhos

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

Within 3 km, the terrain around Júlio de Castilhos has only modest variations in elevation — a maximum elevation change of 99 m around an average of 483 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, large variations in elevation — a maximum elevation change of 619 m.

The land around Júlio de Castilhos is covered by cropland (47%) and grassland (21%) within 3 km, cropland (72%) within 16 km, and cropland (58%) and trees (24%) within 80 km.

3 km
99 m
16 km
186 m
80 km
619 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Tupanciretã 22 km · Santa Maria 52 km · Agudo 63 km · São Pedro do Sul 65 km · Cruz Alta 65 km · Ibirubá 88 km · Ijuí 96 km · Espumoso 98 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 Júlio de Castilhos (-29.2269°, -53.6817°, elevation 529 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).