Guapiara weather in December

In December, Guapiara sees average daytime highs of 26°C and overnight lows near 18°C, with 218 mm of rain across 22.7 wet days and about 13.5 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 10% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of December to 13 h 30 min by month's end. Set against the rest of the year, December is Guapiara's 9th-clearest and 4th-windiest month. For the whole year in context, see Guapiara's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
18°
9th coldest
Rainfall
218 mm
22.7 wet days
Daylight
13 h 30 min
6:26 AM – 7:55 PM
Cloud cover
76%
9th clearest
Wind
9 km/h
4th windiest
Solar energy
5.36 kWh/m²
Travel score
4.5
out of 10

Guapiara is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Guapiara reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72617
82618
92618
102618
112618
122618
132618
142618
152618
162618
172618
182618
192718
202718
212718
222718
232718
242718
252719
262719
272719
282719
292719
302719
312719

Guapiara weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°29926.713.34.0
Feb27° / 19°24023.312.84.0
Mar26° / 18°18322.712.24.7
Apr25° / 16°9013.611.56.2
May22° / 14°9211.310.86.4
Jun21° / 12°838.810.56.6
Jul21° / 12°858.610.76.7
Aug22° / 12°648.311.27.0
Sep23° / 14°13413.211.96.1
Oct24° / 15°15417.812.65.5
Nov25° / 16°16719.213.25.2
Dec26° / 18°21822.713.54.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42179
52179
62179
72179
82278
92179
102179
112377
122377
132377
142476
152476
162575
172575
182575
192674
202674
212575
222674
232674
242476
252476
262476
272278
282278
292278
302179
312179

Chance of precipitation in December

Any precipitation

Guapiara gets around 218 mm of rain over 22.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
269
370
470
571
671
772
872
973
1073
1173
1274
1374
1474
1574
1675
1775
1875
1975
2075
2175
2275
2375
2475
2576
2676
2777
2878
2978
3079
3179

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 57% 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 (%)
111736451
211635461
311635481
411534491
511434502
611433502
711432512
811332522
911331532
1011330542
1111230543
1211229553
1311229553
1411128573
1511127574
1611127574
1711026594
1811026585
1911025595
201925596
211925596
220824617
230724627
240724618
250623638
260523639
270523639
2805236210
2904236310
3004226311
3104226311

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 24 min at the start of December to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:22 AM to 6:33 AM, and sunset from 7:46 PM to 8:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:227:46
213.46:227:46
313.46:227:47
413.46:237:48
513.46:237:48
613.46:237:49
713.46:237:50
813.46:237:50
913.56:237:51
1013.56:247:51
1113.56:247:52
1213.56:247:53
1313.56:257:53
1413.56:257:54
1513.56:257:54
1613.56:267:55
1713.56:267:55
1813.56:267:56
1913.56:277:57
2013.56:277:57
2113.56:287:58
2213.56:287:58
2313.56:297:58
2413.56:297:59
2513.56:307:59
2613.56:308:00
2713.56:318:00
2813.56:318:01
2913.56:328:01
3013.56:328:01
3113.56:338:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.36 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 5.36 kWh/m² in December across the year — December's 5.36 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Guapiara

In seasonPeak

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

Guapiara'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 December a good time to visit Guapiara?

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

4.5
Sightseeing
10th-best month of the year
4.4
Beach & pool
7th-best month of the year

December is a reasonable time to visit Guapiara for sightseeing.

What to pack for Guapiara in December

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

In December, Guapiara sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Guapiara in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Guapiara peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Guapiara?

Guapiara sits at 24.2°S, 48.5°W, 745 m above sea level, in Brazil. The nearest listed city is Ribeirão Branco, 24 km away.

Topography around Guapiara

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

Within 3 km, the terrain around Guapiara has significant variations in elevation — a maximum elevation change of 287 m around an average of 779 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 524 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,432 m.

The land around Guapiara is covered by trees (66%) and grassland (28%) within 3 km, trees (67%) and grassland (25%) within 16 km, and trees (72%) within 80 km.

3 km
287 m
16 km
524 m
80 km
1,432 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Ribeirão Branco 24 km · Capão Bonito 27 km · Itapeva 41 km · Buri 44 km · Apiaí 48 km · São Miguel Arcanjo 64 km · Itaberá 71 km · Cajati 74 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 Guapiara (-24.185°, -48.5328°, elevation 745 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).