Junín weather in December

In December, Junín sees average daytime highs of 11°C and overnight lows near 1°C, with 196 mm of precipitation across 27.7 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 2% of the time in December, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Junín's 10th-clearest and 11th-windiest month. For the whole year in context, see Junín's year-round climate.

Daytime high
11°
2nd warmest
Overnight low
9th coldest
Precipitation
196 mm
27.7 wet days
Daylight
12 h 42 min
5:41 AM – 6:20 PM
Cloud cover
90%
10th clearest
Wind
5 km/h
11th windiest
Solar energy
6.11 kWh/m²
Travel score
1.5
out of 10

Junín is capital city of Junín, Peru.

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 11°C through the month.

A typical December day in Junín reaches about 11°C in the afternoon and slips back to 1°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 13°C. Set against its neighbours, December runs on par with November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1111
2111
3111
4111
5111
6111
7111
8111
9111
10111
11111
12111
13111
14111
15111
16111
17111
18111
19111
20111
21111
22111
23101
24101
25101
26101
27101
28111
29111
30111
31111

How December really feels in Junín

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Junín weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 203288.512.61.4
Feb10° / 20626.68.212.41.3
Mar10° / 20029.37.212.11.3
Apr10° / 11025311.81.4
May10° / -1°6219.51.811.51.8
Jun10° / -2°3311.61.511.42.0
Jul / -2°32112.711.42.0
Aug / -2°5115.9411.61.8
Sep10° / -1°9323.75.111.91.4
Oct10° / 13826.96.112.31.4
Nov11° / 14824.95.212.51.6
Dec11° / 19627.7812.61.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 2% of December, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7595
8595
9595
10595
11595
12595
13595
14595
15496
16496
17496
18496
19496
20397
21397
22397
23397
24397
25397
26397
27397
28397
29397
30397
31397

Chance of precipitation in December

Any precipitationSnow

Junín gets around 196 mm of rain and snow over 27.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 89% and peaks near 92% on the wettest days, and about 8 days bring snow. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)Snow chance (%)
18522
28522
38522
48522
58522
68522
78622
88622
98623
108723
118723
128824
138824
148924
158924
169025
179025
189126
199126
209227
219227
229228
239228
249228
259228
269228
279228
289227
299227
309127
319127

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 36 min at the start of December to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:36 AM to 5:48 AM, and sunset from 6:12 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:366:12
212.65:366:12
312.65:366:13
412.65:366:13
512.65:376:14
612.65:376:15
712.65:376:15
812.65:386:16
912.65:386:16
1012.65:386:17
1112.65:396:17
1212.65:396:18
1312.65:396:18
1412.65:406:19
1512.65:406:19
1612.75:416:20
1712.75:416:20
1812.75:416:21
1912.75:426:21
2012.75:426:22
2112.75:436:22
2212.75:436:23
2312.75:446:23
2412.75:446:23
2512.75:456:24
2612.75:456:24
2712.75:466:25
2812.75:466:25
2912.65:476:26
3012.65:476:26
3112.65:486:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.11 kWh/m².

For context, solar energy here swings from a low near 5.36 kWh/m² to a high of 6.55 kWh/m² in November across the year — December's 6.11 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in December

Hazard calendar for Junín

In seasonPeak

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

Junín's rainy season runs September–April, 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 Junín?

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

1.5
Sightseeing
6th-best month of the year
Beach & pool
never really warm enough

December is a weaker month for outdoor sightseeing in Junín.

What to pack for Junín in December

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

In December, Junín sees daytime highs around 11°C and nights near 1°C. Pack a warm layer, rain gear and sun protection. About 28 days see rain.

a warm layerrain gearsun protection

UV index in Junín in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 18 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Junín peaks around February 13 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 13UV 19Jun 23UV 11
UV index (midday)Level
Jan19Extreme
Feb20Extreme
Mar18Extreme
Apr16Extreme
May14Extreme
Jun11Extreme
Jul11Extreme
Aug14Extreme
Sep15Extreme
Oct18Extreme
Nov17Extreme
Dec18Extreme
Location & terrain

Where is Junín?

Junín sits at 11.2°S, 76.0°W, 4,117 m above sea level, in Peru. The nearest listed city is La Oroya, 41 km away.

ChosicaSanta Rosa

Topography around Junín

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

Within 3 km, the terrain around Junín has only modest variations in elevation — a maximum elevation change of 208 m around an average of 4,126 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 759 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,917 m.

The land around Junín is covered by grassland (47%) and wetland (39%) within 3 km, grassland (77%) within 16 km, and grassland (74%) within 80 km.

3 km
208 m
16 km
759 m
80 km
4,917 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: La Oroya 41 km · Tarma 44 km · Cerro de Pasco 62 km · Yanacancha 62 km · Jauja 87 km · Chaupimarca 98 km · Chosica 117 km · Santa Rosa 124 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 Junín (-11.159°, -75.993°, elevation 4,117 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).