Santiago de Cao weather in January

In January, Santiago de Cao sees average daytime highs of 23°C and overnight lows near 20°C, with 8 mm of rain across 2.3 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 11% of the time in January, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Santiago de Cao's 9th-clearest and 10th-windiest month. For the whole year in context, see Santiago de Cao's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
8 mm
2.3 wet days
Daylight
12 h 24 min
6:14 AM – 6:39 PM
Cloud cover
72%
9th clearest
Wind
13 km/h
10th windiest
Solar energy
6.31 kWh/m²
Travel score
7.7
out of 10

Santiago de Cao is human settlement in Peru.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical January day in Santiago de Cao reaches about 23°C in the afternoon and slips back to 20°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, January runs about 2°C warmer than December and about 1°C cooler than February.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12219
22219
32319
42320
52320
62320
72320
82320
92320
102320
112320
122320
132320
142320
152320
162320
172320
182320
192320
202320
212320
222421
232421
242421
252421
262421
272421
282421
292421
302421
312421

Santiago de Cao weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 20°82.312.47.7
Feb25° / 22°163.912.37.4
Mar24° / 21°175.112.17.2
Apr23° / 20°71.711.87.8
May21° / 18°10.311.67.9
Jun20° / 17°1011.57.9
Jul19° / 16°20.111.67.7
Aug18° / 16°30.311.77.6
Sep18° / 16°20.2127.3
Oct19° / 16°20.312.27.2
Nov20° / 17°20.412.47.3
Dec21° / 18°41.112.57.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53268
63268
73268
83070
93070
102872
112872
122773
132674
142674
152575
162575
172575
182674
192575
202575
212674
222575
232575
242575
252674
262575
272674
282575
292575
302476
312377

Chance of precipitation in January

Any precipitation

Santiago de Cao gets around 8 mm of rain over 2.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 14% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
55
65
75
85
96
106
116
127
137
147
157
168
178
188
198
208
219
229
239
2410
2510
2611
2711
2812
2913
3013
3114

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
140573
237603
334633
432653
529683
627703
725723
822753
921763
1019783
1117803
1216804
1315814
1413834
1512844
1612844
1711854
1810855
199865
208866
218866
227867
237858
246868
256859
2658510
2758411
2848412
2948313
3038314
3138116

Wind in January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 30 min at the start of January to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 6:06 AM to 6:20 AM, and sunset from 6:34 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:066:34
212.56:076:34
312.56:076:35
412.56:086:35
512.46:086:35
612.46:096:36
712.46:096:36
812.46:106:36
912.46:106:37
1012.46:116:37
1112.46:116:37
1212.46:126:38
1312.46:126:38
1412.46:136:38
1512.46:136:38
1612.46:146:39
1712.46:146:39
1812.46:156:39
1912.46:156:39
2012.46:166:40
2112.46:166:40
2212.46:166:40
2312.46:176:40
2412.46:176:40
2512.46:186:40
2612.46:186:40
2712.46:186:41
2812.46:196:41
2912.46:196:41
3012.46:196:41
3112.36:206:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.31 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 6.84 kWh/m² in November across the year — January's 6.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.0Intense
Planning a trip in January

Is January a good time to visit Santiago de Cao?

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

7.7
Sightseeing
4th-best month of the year
6.0
Beach & pool
3rd-best month of the year

January is one of the better times to visit Santiago de Cao for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santiago de Cao in January

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

In January, Santiago de Cao sees daytime highs around 23°C and nights near 20°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Santiago de Cao in January

The nearest coast averages about 21°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in February at about 22°C and coldest in October near 17°C.

It's comfortable for a long swim from Jan 3 to Apr 17 — about 3.5 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb22Refreshing
Mar22Refreshing
Apr20Refreshing
May19Cool
Jun19Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov18Cool
Dec19Cool

UV index in Santiago de Cao in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santiago de Cao peaks around February 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 16Jun 22UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Santiago de Cao?

Santiago de Cao sits at 8.0°S, 79.2°W, 18 m above sea level, in Peru. The nearest listed city is Chocope, 19 km away.

Topography around Santiago de Cao

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

Within 3 km, the terrain around Santiago de Cao has only modest variations in elevation — a maximum elevation change of 33 m around an average of 13 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 940 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,279 m.

The land around Santiago de Cao is covered by cropland (53%) and water (21%) within 3 km, water (45%), bare terrain (23%) and cropland (22%) within 16 km, and water (36%) and bare terrain (31%) within 80 km.

3 km
33 m
16 km
940 m
80 km
4,279 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Chocope 19 km · Paiján 26 km · Trujillo 29 km · Laredo 34 km · Moche 35 km · San Pedro de Lloc 66 km · Pacasmayo 72 km · Virú 74 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 Santiago de Cao (-7.9589°, -79.2392°, elevation 18 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).