Medianeira weather in December

In December, Medianeira sees average daytime highs of 30°C and overnight lows near 20°C, with 207 mm of rain across 17.3 wet days and about 13.5 hours of daylight. It is the 2nd-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 31% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 30 min at the start of December to 13 h 36 min by month's end. Set against the rest of the year, December is Medianeira's 11th-clearest and 8th-windiest month. For the whole year in context, see Medianeira's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
20°
10th coldest
Rainfall
207 mm
17.3 wet days
Daylight
13 h 36 min
6:46 AM – 8:20 PM
Cloud cover
61%
11th clearest
Wind
9 km/h
8th windiest
Solar energy
6.41 kWh/m²
Travel score
4.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Medianeira 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 26°C and 33°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233021
243021
253021
263021
273021
283021
293021
303021
313021

How December really feels in Medianeira

Once humidity and wind are folded in, December averages 5 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
5
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Medianeira weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°19718.913.44.0
Feb30° / 21°18617.212.94.1
Mar29° / 20°16114.812.24.9
Apr27° / 18°13910.411.46.5
May23° / 14°1599.710.87.0
Jun22° / 14°1349.210.56.9
Jul22° / 13°1168.610.67.2
Aug25° / 14°1007.211.17.6
Sep26° / 16°15510.311.86.7
Oct28° / 18°20314.812.65.5
Nov29° / 19°16713.413.25.1
Dec30° / 20°20717.313.54.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34753
44654
54753
64753
74852
84753
94852
104951
115050
124951
135050
145149
155149
165149
175149
185149
195149
205149
215050
224951
234951
244753
254654
264654
274555
284555
294555
304555
314555

Chance of precipitation in December

Any precipitation

Medianeira gets around 207 mm of rain over 17.3 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
251
352
452
553
653
753
854
954
1054
1154
1255
1355
1455
1555
1655
1755
1855
1955
2055
2156
2257
2357
2458
2559
2660
2760
2860
2961
3061
3161

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
149224818
249214918
338204919
438204920
538205020
637195021
737194922
837194922
937194923
1027194923
1127194924
1227194824
1327194825
1426194826
1516194726
1616194727
1716194628
1815194629
1915184531
2015184432
2115184433
2214174335
2314174237
2413164238
2513154140
2613154141
2712144043
2812143944
2912143945
3012133846
3112133847

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 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
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 30 min at the start of December to 13 h 36 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 6:42 AM to 6:53 AM, and sunset from 8:10 PM to 8:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:428:10
213.56:428:11
313.56:428:11
413.56:438:12
513.56:438:13
613.56:438:13
713.56:438:14
813.56:438:15
913.56:438:15
1013.56:448:16
1113.56:448:17
1213.66:448:17
1313.66:458:18
1413.66:458:18
1513.66:458:19
1613.66:468:20
1713.66:468:20
1813.66:468:21
1913.66:478:21
2013.66:478:22
2113.66:488:22
2213.66:488:23
2313.66:498:23
2413.66:498:24
2513.66:508:24
2613.66:508:24
2713.66:518:25
2813.66:518:25
2913.66:528:26
3013.66:528:26
3113.66:538:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.41 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 6.41 kWh/m² in December across the year — December's 6.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in December

Is December a good time to visit Medianeira?

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

4.3
Sightseeing
10th-best month of the year
5.8
Beach & pool
7th-best month of the year

December is a reasonable time to visit Medianeira for sightseeing.

What to pack for Medianeira in December

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

In December, Medianeira sees daytime highs around 30°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Medianeira in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Medianeira peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep6High
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Medianeira in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Medianeira is worst in September — around 19 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1618 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul7Good
Aug11Good
Sep19Moderate
Oct12Good
Nov8Good
Dec7Good
Location & terrain

Where is Medianeira?

Medianeira sits at 25.3°S, 54.1°W, 417 m above sea level, in Brazil. The nearest listed city is Matelândia, 13 km away.

Topography around Medianeira

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

Within 3 km, the terrain around Medianeira has only modest variations in elevation — a maximum elevation change of 165 m around an average of 400 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 428 m; within 80 km, large variations in elevation — a maximum elevation change of 699 m.

The land around Medianeira is covered by artificial surfaces (33%), cropland (31%) and trees (25%) within 3 km, cropland (49%) and trees (30%) within 16 km, and trees (44%) and cropland (37%) within 80 km.

3 km
165 m
16 km
428 m
80 km
699 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Matelândia 13 km · São Miguel do Iguaçu 16 km · Santa Terezinha de Itaipu 35 km · Capanema 51 km · Santa Helena 54 km · Foz do Iguacu 57 km · Iguazu 59 km · Presidente Franco 60 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 Medianeira (-25.2953°, -54.0939°, elevation 417 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).