Imperial weather in January

In January, Imperial sees average daytime highs of 24°C and overnight lows near 18°C, with 27 mm of rain across 8.2 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 4% of the time in January, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of January to 12 h 36 min by month's end. Set against the rest of the year, January is Imperial's 10th-clearest and 2nd-windiest month. For the whole year in context, see Imperial's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
18°
10th coldest
Rainfall
27 mm
8.2 wet days
Daylight
12 h 42 min
5:54 AM – 6:35 PM
Cloud cover
84%
10th clearest
Wind
5 km/h
2nd windiest
Solar energy
6.07 kWh/m²
Travel score
6.7
out of 10

Imperial is city in Lima, 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 24°C through the month.

A typical January day in Imperial reaches about 24°C in the afternoon and slips back to 18°C overnight — a 6°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 on par with December and on par with February.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12418
22418
32418
42418
52418
62418
72418
82418
92418
102418
112418
122418
132418
142418
152418
162418
172418
182418
192418
202418
212418
222418
232418
242418
252418
262418
272418
282418
292418
302418
312418

Imperial weather by month

How January compares with the rest of the year at a glance. January 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
Jan24° / 18°278.212.76.7
Feb24° / 19°4411.712.46.0
Mar24° / 19°267.512.16.8
Apr24° / 18°41.411.78.2
May23° / 16°10.411.48.8
Jun21° / 16°00.111.28.7
Jul21° / 15°10.111.38.7
Aug21° / 15°0011.68.7
Sep21° / 15°00.111.98.6
Oct22° / 15°30.812.38.2
Nov23° / 16°20.412.68.1
Dec23° / 17°72.112.87.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21585
31585
41585
51585
61585
71585
81486
91387
101387
111387
121387
131387
141288
151189
161189
171189
181189
191189
20991
21991
22991
23892
24793
25793
26793
27694
28595
29595
30496
31496

Chance of precipitation in January

Any precipitation

Imperial gets around 27 mm of rain over 8.2 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 27% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
116
217
317
418
519
620
721
822
923
1023
1124
1225
1325
1426
1526
1627
1727
1828
1928
2029
2129
2230
2331
2431
2532
2633
2735
2836
2937
3038
3139

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
124733
222744
320764
419774
517794
616804
715805
814815
914815
1013816
1113816
1213807
1313798
1412799
1512799
16127810
17117811
18117613
19107614
20107515
2197516
2287517
2387418
2477419
2567420
2657421
2757322
2847323
2947224
3037225
3137027

Wind in January

Winds average 5 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 12 h 48 min at the start of January to 12 h 36 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 5:46 AM to 6:01 AM, and sunset from 6:31 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:466:31
212.85:466:32
312.85:476:32
412.75:476:32
512.75:486:33
612.75:496:33
712.75:496:33
812.75:506:34
912.75:506:34
1012.75:516:34
1112.75:516:34
1212.75:526:35
1312.75:526:35
1412.75:536:35
1512.75:536:35
1612.75:546:35
1712.75:546:36
1812.75:556:36
1912.75:566:36
2012.75:566:36
2112.75:576:36
2212.75:576:36
2312.65:586:36
2412.65:586:36
2512.65:596:36
2612.65:596:36
2712.66:006:36
2812.66:006:36
2912.66:006:36
3012.66:016:36
3112.66:016:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.07 kWh/m².

For context, solar energy here swings from a low near 5.28 kWh/m² to a high of 7.33 kWh/m² in November across the year — January's 6.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
216.0Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in January

Is January a good time to visit Imperial?

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

6.7
Sightseeing
11th-best month of the year
5.6
Beach & pool
7th-best month of the year

January is a reasonable time to visit Imperial for sightseeing.

What to pack for Imperial in January

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

In January, Imperial sees daytime highs around 24°C and nights near 18°C. Pack sun protection. Worth having: light clothes and rain gear. About 8 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Imperial 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 offshore is warmest in February at about 21°C and coldest in September near 17°C.

It's comfortable for a long swim from Jan 1 to Apr 21 — about 3.6 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar21Refreshing
Apr20Refreshing
May19Cool
Jun18Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov18Cool
Dec19Cool

UV index in Imperial 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 Imperial peaks around February 12 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 12UV 16Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Extreme
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Imperial?

Imperial sits at 13.1°S, 76.4°W, 91 m above sea level, in Peru. The nearest listed city is San Vicente de Cañete, 4.0 km away.

Topography around Imperial

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

Within 3 km, the terrain around Imperial has only modest variations in elevation — a maximum elevation change of 168 m around an average of 98 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,426 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,195 m.

The land around Imperial is covered by cropland (42%) and bare terrain (22%) within 3 km, bare terrain (48%) within 16 km, and bare terrain (38%) and water (32%) within 80 km.

3 km
168 m
16 km
1,426 m
80 km
5,195 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: San Vicente de Cañete 4.0 km · Nuevo Imperial 4.0 km · Chincha Alta 46 km · Mala 54 km · San Clemente 71 km · Pisco 74 km · Paracas 90 km · Villa Poeta José Gálvez Barrenechea 112 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 Imperial (-13.0593°, -76.3527°, elevation 91 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).