Giruá weather in January

In January, Giruá sees average daytime highs of 30°C and overnight lows near 20°C, with 182 mm of rain across 15.7 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 37% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 42 min at the start of January to 13 h 18 min by month's end. Set against the rest of the year, January is Giruá's 11th-clearest and 9th-windiest month. For the whole year in context, see Giruá's year-round climate.

Daytime high
30°
1st warmest
Overnight low
20°
12th coldest
Rainfall
182 mm
15.7 wet days
Daylight
13 h 36 min
6:59 AM – 8:35 PM
Cloud cover
56%
11th clearest
Wind
11 km/h
9th windiest
Solar energy
6.53 kWh/m²
Travel score
4.3
out of 10

Giruá is 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 30°C through the month.

A typical January day in Giruá reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, January runs on par with December and about 1°C warmer than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73120
83120
93120
103120
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
313020

How January really feels in Giruá

Once humidity and wind are folded in, January averages 11 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
11
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.

Giruá weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°18215.713.64.3
Feb30° / 20°17615.6134.5
Mar29° / 19°15012.912.25.4
Apr26° / 16°18410.611.46.6
May22° / 13°1689.410.66.8
Jun20° / 12°16110.210.36.3
Jul20° / 11°16810.110.46.4
Aug22° / 12°1159117.1
Sep24° / 14°1781111.86.8
Oct26° / 16°25113.912.76.1
Nov28° / 17°18111.913.45.7
Dec30° / 19°19414.213.74.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45347
55446
65347
75446
85446
95446
105545
115545
125545
135545
145545
155545
165644
175545
185545
195446
205446
215545
225446
235446
245446
255347
265446
275446
285446
295446
305446
315446

Chance of precipitation in January

Any precipitation

Giruá gets around 182 mm of rain over 15.7 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 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
350
450
551
651
751
851
951
1051
1151
1251
1351
1451
1551
1651
1751
1851
1950
2050
2150
2251
2351
2451
2552
2652
2753
2853
2954
3054
3154

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
139243332
229243332
328243333
428233333
528233433
628223433
728223534
828213634
928203633
1027203733
1127193933
1227194032
1327184132
1427184231
1526174431
1626174530
1726174630
1826174629
1926174729
2026174729
2116174729
2216174729
2315174729
2415184729
2515184730
2615184730
2714184631
2814184632
2914174533
3014174533
3104174434

Wind in January

Winds average 11 km/h in January.

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

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 42 min at the start of January to 13 h 18 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 6:48 AM to 7:11 AM, and sunset from 8:33 PM to 8:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:488:33
213.76:498:33
313.76:498:34
413.76:508:34
513.76:518:34
613.76:518:34
713.76:528:34
813.76:538:34
913.76:548:35
1013.76:548:35
1113.76:558:35
1213.66:568:35
1313.66:568:35
1413.66:578:35
1513.66:588:35
1613.66:598:35
1713.67:008:35
1813.67:008:34
1913.67:018:34
2013.57:028:34
2113.57:038:34
2213.57:038:34
2313.57:048:34
2413.57:058:33
2513.57:068:33
2613.47:078:33
2713.47:078:32
2813.47:088:32
2913.47:098:32
3013.47:108:31
3113.37:118:31

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.53 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.65 kWh/m² in December across the year — January's 6.53 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.2Intense
Planning a trip in January

Is January a good time to visit Giruá?

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

4.3
Sightseeing
12th-best month of the year
6.0
Beach & pool
5th-best month of the year

January is a reasonable time to visit Giruá for sightseeing.

What to pack for Giruá in January

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

In January, Giruá sees daytime highs around 30°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Giruá 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 Giruá peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct7Very high
Nov11Extreme
Dec12Extreme

Air quality in Giruá 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 Giruá is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1516 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug12Moderate
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Giruá?

Giruá sits at 28.0°S, 54.3°W, 432 m above sea level, in Brazil. The nearest listed city is Santa Rosa, 22 km away.

Topography around Giruá

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

Within 3 km, the terrain around Giruá has only modest variations in elevation — a maximum elevation change of 93 m around an average of 392 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 206 m; within 80 km, significant variations in elevation — a maximum elevation change of 509 m.

The land around Giruá is covered by cropland (62%) and trees (20%) within 3 km, cropland (74%) and trees (21%) within 16 km, and cropland (59%) and trees (30%) within 80 km.

3 km
93 m
16 km
206 m
80 km
509 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Santa Rosa 22 km · Três de Maio 30 km · Santo Ângelo 31 km · Santo Cristo 38 km · Horizontina 45 km · Ijuí 58 km · São Luiz Gonzaga 73 km · Três Passos 76 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 Giruá (-28.0283°, -54.3497°, elevation 432 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).