Chulucanas weather in December

In December, Chulucanas sees average daytime highs of 30°C and overnight lows near 19°C, with 54 mm of rain across 8.3 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 5th-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 12% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Chulucanas's 8th-clearest and 5th-windiest month. For the whole year in context, see Chulucanas's year-round climate.

Daytime high
30°
5th warmest
Overnight low
19°
7th coldest
Rainfall
54 mm
8.3 wet days
Daylight
12 h 18 min
6:08 AM – 6:26 PM
Cloud cover
71%
8th clearest
Wind
7 km/h
5th windiest
Solar energy
5.79 kWh/m²
Travel score
4.8
out of 10

Chulucanas is city in Morropón, Piura, 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 30°C through the month.

A typical December day in Chulucanas reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13018
23019
33019
43019
53019
63019
73019
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183120
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120
313120

How December really feels in Chulucanas

Once humidity and wind are folded in, December averages 2 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
2
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.

Chulucanas weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°10012.712.33.7
Feb31° / 22°20420.312.23.1
Mar31° / 22°31322.9123.0
Apr31° / 21°13415.211.93.8
May30° / 20°246.211.85.3
Jun29° / 18°51.611.76.9
Jul28° / 17°20.611.78.2
Aug27° / 17°20.611.88.3
Sep28° / 17°61.6127.4
Oct29° / 18°144.312.16.3
Nov29° / 18°255.912.25.7
Dec30° / 19°548.312.34.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33268
43268
53268
63268
73268
83268
93169
103169
113169
123070
133070
143070
153070
162971
172971
182971
192971
202872
212773
222773
232773
242674
252674
262674
272575
282674
292674
302575
312575

Chance of precipitation in December

Any precipitation

Chulucanas gets around 54 mm of rain over 8.3 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 26% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
123
223
323
423
523
623
723
823
923
1023
1123
1223
1323
1424
1524
1625
1726
1826
1927
2028
2129
2229
2330
2430
2531
2631
2731
2831
2931
3031
3132

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11771111
21672111
31572121
41473121
51374121
61274122
71175122
81076122
91075132
10976132
11875143
12776143
13676153
14576163
15575173
16475183
17375193
18373213
19272233
20271243
21170263
22168283
23166303
24065323
25063343
26062353
27060373
28059383
29058393
30057403
31054424

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 18 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 6:02 AM to 6:15 AM, and sunset from 6:19 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:026:19
212.36:036:19
312.36:036:20
412.36:036:20
512.36:046:20
612.36:046:21
712.36:046:21
812.36:056:22
912.36:056:22
1012.36:056:23
1112.36:066:23
1212.36:066:24
1312.36:076:24
1412.36:076:25
1512.36:086:25
1612.36:086:26
1712.36:086:26
1812.36:096:27
1912.36:096:27
2012.36:106:28
2112.36:106:28
2212.36:116:28
2312.36:116:29
2412.36:126:29
2512.36:126:30
2612.36:136:30
2712.36:136:31
2812.36:146:31
2912.36:146:32
3012.36:156:32
3112.36:156:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.79 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.34 kWh/m² in October across the year — December's 5.79 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Bright
66.0Bright
76.0Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Chulucanas

In seasonPeak

None of Chulucanas's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Chulucanas's monsoon runs February–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Chulucanas?

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

4.8
Sightseeing
8th-best month of the year
6.8
Beach & pool
8th-best month of the year

December is a reasonable time to visit Chulucanas for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chulucanas in December

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

In December, Chulucanas sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Chulucanas 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 Chulucanas peaks around February 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 16Jun 23UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May13Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Chulucanas 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 Chulucanas is worst in November — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateNov 1715 µg/m³Aug 167 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar13Moderate
Apr13Moderate
May12Good
Jun10Good
Jul8Good
Aug7Good
Sep8Good
Oct11Good
Nov15Moderate
Dec12Good
Location & terrain

Where is Chulucanas?

Chulucanas sits at 5.1°S, 80.2°W, 92 m above sea level, in Peru. The nearest listed city is Tambo Grande, 27 km away.

Topography around Chulucanas

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

Within 3 km, the terrain around Chulucanas has only modest variations in elevation — a maximum elevation change of 84 m around an average of 92 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,263 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,894 m.

The land around Chulucanas is covered by grassland (33%) and trees (31%) within 3 km, shrubs (44%) and grassland (30%) within 16 km, and shrubs (32%) and grassland (26%) within 80 km.

3 km
84 m
16 km
1,263 m
80 km
3,894 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Tambo Grande 27 km · Piura 56 km · San Martin 57 km · Querecotillo 61 km · Catacaos 61 km · Sullana 62 km · Marcavelica 65 km · La Unión 73 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 Chulucanas (-5.0925°, -80.1625°, elevation 92 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).