Reserva weather in December

In December, Reserva sees average daytime highs of 27°C and overnight lows near 17°C, with 189 mm of rain across 20.1 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 16% 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 Reserva's 10th-clearest and 6th-windiest month. For the whole year in context, see Reserva's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
17°
10th coldest
Rainfall
189 mm
20.1 wet days
Daylight
13 h 30 min
6:34 AM – 8:05 PM
Cloud cover
70%
10th clearest
Wind
8 km/h
6th windiest
Solar energy
5.97 kWh/m²
Travel score
4.9
out of 10

Reserva is town in Reserva Municipality, Paraná, 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 27°C through the month.

A typical December day in Reserva reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°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)
12716
22716
32717
42717
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262718
272718
282718
292718
302718
312718

Reserva weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°24623.113.44.5
Feb27° / 18°18820.712.94.5
Mar27° / 17°13617.312.25.5
Apr25° / 15°9210.411.46.8
May21° / 12°1109.410.86.7
Jun20° / 10°1228.910.56.6
Jul21° / 10°917.710.66.9
Aug23° / 11°857.311.17.5
Sep24° / 13°1551111.86.9
Oct25° / 15°17915.912.65.8
Nov26° / 16°15015.613.25.6
Dec27° / 17°18920.113.54.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43664
53664
63664
73664
83565
93565
103565
113664
123664
133664
143664
153664
163664
173664
183664
193664
203565
213565
223565
233466
243367
253367
263268
273268
283169
293169
303169
313169

Chance of precipitation in December

Any precipitation

Reserva gets around 189 mm of rain over 20.1 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 65% and peaks near 73% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
156
257
358
459
559
660
761
861
962
1062
1162
1263
1363
1464
1564
1665
1765
1865
1966
2066
2167
2267
2368
2469
2569
2670
2771
2871
2972
3072
3173

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162138350
252038360
352038370
451938380
551937390
641837400
741837410
841836420
941836430
1041735440
1131735440
1231734450
1331734460
1431733470
1531733471
1631732481
1721632491
1821631501
1921631501
2021630511
2121530521
2221529522
2311429542
2411429542
2511328562
2611328562
2701228573
2801228573
2901128583
3001127593
3101027603

Wind in December

Winds average 8 km/h in December.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
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 6:31 AM to 6:41 AM, and sunset from 7:56 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:317:56
213.46:317:56
313.46:317:57
413.46:317:58
513.56:317:58
613.56:317:59
713.56:318:00
813.56:328:00
913.56:328:01
1013.56:328:02
1113.56:328:02
1213.56:338:03
1313.56:338:03
1413.56:338:04
1513.56:348:05
1613.56:348:05
1713.56:348:06
1813.56:358:06
1913.56:358:07
2013.56:368:07
2113.56:368:08
2213.56:368:08
2313.56:378:09
2413.56:378:09
2513.56:388:10
2613.56:388:10
2713.56:398:10
2813.56:408:11
2913.56:408:11
3013.56:418:12
3113.56:418:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.97 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.1 kWh/m² to a high of 5.97 kWh/m² in December across the year — December's 5.97 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.8Bright
Planning a trip in December

Is December a good time to visit Reserva?

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

4.9
Sightseeing
10th-best month of the year
5.0
Beach & pool
7th-best month of the year

December is a reasonable time to visit Reserva for sightseeing.

What to pack for Reserva in December

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

In December, Reserva sees daytime highs around 27°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

UV index in Reserva 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 Reserva peaks around January 19 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 19UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7High
Sep5High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Reserva 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 Reserva is worst in September — around 23 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1123 µg/m³Mar 126 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun8Good
Jul10Good
Aug20Moderate
Sep23Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Reserva?

Reserva sits at 24.7°S, 50.9°W, 943 m above sea level, in Brazil. The nearest listed city is Telêmaco Borba, 43 km away.

Topography around Reserva

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

Within 3 km, the terrain around Reserva has only modest variations in elevation — a maximum elevation change of 237 m around an average of 923 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 470 m; within 80 km, large variations in elevation — a maximum elevation change of 928 m.

The land around Reserva is covered by trees (37%) and cropland (37%) within 3 km, trees (56%) and cropland (29%) within 16 km, and trees (53%) and cropland (28%) within 80 km.

3 km
237 m
16 km
470 m
80 km
928 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Telêmaco Borba 43 km · Tibagi 47 km · Cândido de Abreu 50 km · Ortigueira 50 km · Prudentópolis 64 km · Imbituva 69 km · Ponta Grossa 85 km · Castro 86 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 Reserva (-24.6503°, -50.8506°, elevation 943 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).