Amparo weather in December

In December, Amparo sees average daytime highs of 28°C and overnight lows near 19°C, with 225 mm of rain across 21 wet days and about 13.4 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 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 Amparo's 11th-clearest and 6th-windiest month. For the whole year in context, see Amparo's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
225 mm
21 wet days
Daylight
13 h 24 min
6:22 AM – 7:45 PM
Cloud cover
70%
11th clearest
Wind
9 km/h
6th windiest
Solar energy
5.82 kWh/m²
Travel score
4.7
out of 10

Amparo 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 28°C through the month.

A typical December day in Amparo reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°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)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

Amparo weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°27522.813.24.1
Feb28° / 19°18619.112.84.3
Mar28° / 19°14717.812.25.1
Apr27° / 17°769.111.56.8
May24° / 14°717.110.97.6
Jun24° / 13°484.910.68.1
Jul24° / 13°444.110.78.3
Aug25° / 14°354.211.28.2
Sep27° / 16°938.811.96.9
Oct28° / 17°13713.912.55.8
Nov27° / 18°17816.713.15.3
Dec28° / 19°2252113.44.7

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 18% of December, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33565
43466
53466
63466
73367
83367
93367
103367
113367
123367
133367
143466
153367
163367
173466
183466
193565
203565
213664
223664
233565
243565
253565
263367
273367
283169
293070
303070
312971

Chance of precipitation in December

Any precipitation

Amparo gets around 225 mm of rain over 21 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 68% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
159
259
360
461
562
663
764
865
965
1066
1167
1268
1368
1469
1569
1670
1770
1870
1970
2071
2171
2271
2371
2471
2571
2671
2771
2871
2971
3071
3171

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111640420
211540440
311439460
411338470
511238490
611237500
711136511
811135521
911035531
100935551
110935551
120834571
130835561
140735571
150735571
160635581
170636571
180636571
190536581
200536590
210536590
220436600
230436600
240436591
250335611
260335611
270334621
280333631
290333631
300332641
310331651

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
259calm
269calm
279calm
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 6:18 AM to 6:29 AM, and sunset from 7:36 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:187:36
213.36:187:36
313.36:187:37
413.36:187:38
513.36:197:38
613.36:197:39
713.36:197:39
813.36:197:40
913.46:197:41
1013.46:207:41
1113.46:207:42
1213.46:207:42
1313.46:217:43
1413.46:217:44
1513.46:217:44
1613.46:227:45
1713.46:227:45
1813.46:227:46
1913.46:237:46
2013.46:237:47
2113.46:247:47
2213.46:247:48
2313.46:257:48
2413.46:257:49
2513.46:267:49
2613.46:267:50
2713.46:277:50
2813.46:277:50
2913.46:287:51
3013.46:287:51
3113.46:297:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.82 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 5.92 kWh/m² in November across the year — December's 5.82 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in December

Hazard calendar for Amparo

In seasonPeak

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

Amparo'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 Amparo?

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

4.7
Sightseeing
10th-best month of the year
5.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit Amparo for sightseeing.

What to pack for Amparo in December

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

In December, Amparo sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Amparo 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 Amparo peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 6 (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 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Amparo 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 Amparo is worst in September — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1227 µg/m³Dec 1515 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar18Moderate
Apr21Moderate
May24Moderate
Jun25Moderate
Jul26Moderate
Aug25Moderate
Sep27Moderate
Oct20Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Amparo?

Amparo sits at 22.7°S, 46.8°W, 680 m above sea level, in Brazil. The nearest listed city is Serra Negra, 12 km away.

Topography around Amparo

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

Within 3 km, the terrain around Amparo has significant variations in elevation — a maximum elevation change of 304 m around an average of 736 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 714 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,507 m.

The land around Amparo is covered by grassland (39%), trees (38%) and artificial surfaces (21%) within 3 km, trees (47%) and grassland (42%) within 16 km, and trees (41%), grassland (32%) and cropland (20%) within 80 km.

3 km
304 m
16 km
714 m
80 km
1,507 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Serra Negra 12 km · Santo Antônio de Posse 19 km · Pinhalzinho 20 km · Jaguariúna 23 km · Socorro 27 km · Águas de Lindóia 28 km · Souzas 29 km · Itapira 30 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 Amparo (-22.7011°, -46.7644°, elevation 680 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).