Guaíra weather in January

In January, Guaíra sees average daytime highs of 30°C and overnight lows near 22°C, with 251 mm of rain across 22.1 wet days and about 13.1 hours of daylight. It is the 8th-warmest and 1st-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 14% of the time in January, and the air most often feels oppressive.

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 Guaíra's 12th-clearest and 10th-windiest month. For the whole year in context, see Guaíra's year-round climate.

Daytime high
30°
8th warmest
Overnight low
22°
12th coldest
Rainfall
251 mm
22.1 wet days
Daylight
13 h 06 min
6:49 AM – 7:56 PM
Cloud cover
75%
12th clearest
Wind
7 km/h
10th windiest
Solar energy
5.72 kWh/m²
Travel score
3.5
out of 10

Guaíra 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 Guaíra reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How January really feels in Guaíra

Once humidity and wind are folded in, January averages 31 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
31
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.

Guaíra weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°25122.113.13.5
Feb30° / 22°17718.212.73.6
Mar30° / 22°16018.912.13.9
Apr30° / 20°618.511.55.3
May28° / 18°334.7117.1
Jun28° / 17°172.210.87.9
Jul28° / 17°111.610.97.7
Aug30° / 18°121.711.36.2
Sep32° / 20°496.111.94.6
Oct32° / 22°9911.912.53.8
Nov31° / 22°16417.9133.7
Dec30° / 22°21822.513.23.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32674
42674
52575
62476
72575
82575
92575
102575
112674
122773
132773
142773
152872
162872
172971
182872
192971
203070
213070
223070
233169
243169
253169
263268
273169
283268
293367
303367
313466

Chance of precipitation in January

Any precipitation

Guaíra gets around 251 mm of rain over 22.1 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 71% and peaks near 73% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
272
372
472
572
672
771
871
970
1070
1170
1269
1369
1469
1570
1670
1770
1870
1970
2071
2171
2271
2371
2472
2572
2672
2771
2871
2971
3070
3170

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1024949
2024850
3024751
4024751
5034750
6034651
7034651
8034651
9034651
10034651
11034651
12034651
13034651
14034552
15034552
16034453
17034453
18034354
19034354
20034255
21034255
22034156
23034156
24034156
25034156
26034156
27034156
28034156
29134155
30134155
31134254

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 6:40 AM to 6:59 AM, and sunset from 7:53 PM to 7:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:407:53
213.26:417:53
313.26:417:53
413.26:427:54
513.26:427:54
613.26:437:54
713.26:447:54
813.26:447:55
913.26:457:55
1013.26:467:55
1113.26:467:55
1213.16:477:55
1313.16:477:55
1413.16:487:56
1513.16:497:56
1613.16:497:56
1713.16:507:56
1813.16:517:56
1913.16:517:56
2013.16:527:56
2113.16:537:56
2213.06:537:56
2313.06:547:56
2413.06:547:56
2513.06:557:55
2613.06:567:55
2713.06:567:55
2813.06:577:55
2913.06:587:55
3012.96:587:55
3112.96:597:54

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.72 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.16 kWh/m² in October across the year — January's 5.72 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Guaíra

In seasonPeak

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

Guaíra'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 Guaíra?

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

3.5
Sightseeing
11th-best month of the year
4.9
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Guaíra.

What to pack for Guaíra in January

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

In January, Guaíra sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Guaíra 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 Guaíra peaks around January 23 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 highExtremeJan 23UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Guaíra 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 Guaíra is worst in September — around 42 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (November, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1539 µg/m³Nov 227 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr9Good
May10Good
Jun10Good
Jul10Good
Aug20Moderate
Sep42Poor
Oct15Moderate
Nov7Good
Dec8Good
Location & terrain

Where is Guaíra?

Guaíra sits at 20.3°S, 48.3°W, 516 m above sea level, in Brazil. The nearest listed city is Miguelópolis, 33 km away.

Topography around Guaíra

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

Within 3 km, the terrain around Guaíra has only modest variations in elevation — a maximum elevation change of 51 m around an average of 510 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 151 m; within 80 km, significant variations in elevation — a maximum elevation change of 537 m.

The land around Guaíra is covered by cropland (47%) and artificial surfaces (26%) within 3 km, cropland (81%) within 16 km, and cropland (71%) within 80 km.

3 km
51 m
16 km
151 m
80 km
537 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Miguelópolis 33 km · Barretos 38 km · Conceição das Alagoas 46 km · Colina 50 km · Guará 52 km · Morro Agudo 53 km · Ituverava 55 km · São Joaquim da Barra 56 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 Guaíra (-20.3183°, -48.3106°, elevation 516 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).