Londrina weather in December

In December, Londrina sees average daytime highs of 29°C and overnight lows near 20°C, with 208 mm of rain across 18.4 wet days and about 13.4 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 22% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Londrina's 10th-clearest and 6th-windiest month. For the whole year in context, see Londrina's year-round climate.

Daytime high
29°
1st warmest
Overnight low
20°
10th coldest
Rainfall
208 mm
18.4 wet days
Daylight
13 h 24 min
6:38 AM – 8:04 PM
Cloud cover
68%
10th clearest
Wind
9 km/h
6th windiest
Solar energy
6.09 kWh/m²
Travel score
4.3
out of 10

Londrina 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 29°C through the month.

A typical December day in Londrina reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Londrina weather by month

How December compares with the rest of the year at a glance. December 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° / 20°26821.413.34.0
Feb29° / 20°20419.212.84.0
Mar29° / 20°13615.612.24.8
Apr28° / 18°858.611.56.5
May24° / 15°988.210.97.3
Jun23° / 13°907.210.67.5
Jul23° / 13°625.610.77.9
Aug26° / 14°625.511.27.9
Sep27° / 16°119911.96.8
Oct28° / 18°16113.512.55.4
Nov29° / 19°16914.313.14.9
Dec29° / 20°20818.413.44.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33763
43763
53763
63862
73763
83763
93862
103862
113862
123961
133961
143961
154060
164060
174060
184060
194159
204159
214159
223961
233862
243862
253862
263664
273664
283664
293466
303466
313466

Chance of precipitation in December

Any precipitation

Londrina gets around 208 mm of rain over 18.4 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 59% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
152
253
354
455
556
657
757
858
959
1059
1159
1259
1359
1459
1559
1659
1759
1859
1959
2059
2159
2259
2360
2460
2561
2661
2762
2863
2963
3064
3164

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1311254616
2310244617
3210234718
429234718
529224819
628224820
728214821
828214821
928204822
1028204822
1118204823
1218194823
1318194824
1418194824
1518184825
1618184726
1718184727
1817184727
1907184629
2007174630
2106174631
2206164532
2305164533
2405164535
2504164536
2603154437
2703154438
2802154339
2902154340
3002154341
3102144341

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
239calm
249calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 18 min at the start of December to 13 h 24 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 6:34 AM to 6:45 AM, and sunset from 7:54 PM to 8:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:347:54
213.36:357:55
313.46:357:56
413.46:357:56
513.46:357:57
613.46:357:58
713.46:357:58
813.46:367:59
913.46:368:00
1013.46:368:00
1113.46:368:01
1213.46:378:01
1313.46:378:02
1413.46:378:02
1513.46:388:03
1613.46:388:04
1713.46:388:04
1813.46:398:05
1913.46:398:05
2013.46:408:06
2113.46:408:06
2213.46:418:07
2313.46:418:07
2413.46:428:08
2513.46:428:08
2613.46:438:08
2713.46:438:09
2813.46:448:09
2913.46:448:10
3013.46:458:10
3113.46:458:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.09 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 6.11 kWh/m² in November across the year — December's 6.09 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Bright
306.0Bright
315.9Bright
Planning a trip in December

Hazard calendar for Londrina

In seasonPeak

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

Londrina'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 Londrina?

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
5.6
Beach & pool
10th-best month of the year

December is a reasonable time to visit Londrina for sightseeing.

What to pack for Londrina in December

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

In December, Londrina sees daytime highs around 29°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Londrina 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 Londrina peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 21UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep5High
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Londrina 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 Londrina is worst in September — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1620 µg/m³Nov 228 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul12Good
Aug14Moderate
Sep21Moderate
Oct14Moderate
Nov8Good
Dec9Good
Location & terrain

Where is Londrina?

Londrina sits at 23.3°S, 51.2°W, 605 m above sea level, in Brazil. The nearest listed city is Cambé, 12 km away.

Topography around Londrina

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

Within 3 km, the terrain around Londrina has only modest variations in elevation — a maximum elevation change of 122 m around an average of 558 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 371 m; within 80 km, large variations in elevation — a maximum elevation change of 1,014 m.

The land around Londrina is covered by artificial surfaces (79%) within 3 km, cropland (46%) and trees (27%) within 16 km, and cropland (59%) and trees (23%) within 80 km.

3 km
122 m
16 km
371 m
80 km
1,014 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Cambé 12 km · Ibiporã 13 km · Rolândia 21 km · Arapongas 29 km · Sertanópolis 31 km · Apucarana 40 km · Jaguapitã 44 km · Astorga 52 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 Londrina (-23.3103°, -51.1628°, elevation 605 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).