Imperial weather in April

In April, Imperial sees average daytime highs of 24°C and overnight lows near 18°C, with 4 mm of rain across 1.4 wet days and about 11.7 hours of daylight. It is the 4th-warmest and 5th-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 31% of the time in April, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 36 min by month's end. Set against the rest of the year, April is Imperial's 7th-clearest and 7th-windiest month. For the whole year in context, see Imperial's year-round climate.

Daytime high
24°
4th warmest
Overnight low
18°
9th coldest
Rainfall
4 mm
1.4 wet days
Daylight
11 h 42 min
6:14 AM – 5:57 PM
Cloud cover
59%
7th clearest
Wind
5 km/h
7th windiest
Solar energy
5.7 kWh/m²
Travel score
8.2
out of 10

Imperial is city in Lima, Peru.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical April 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, April runs on par with March and about 1°C warmer than May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12418
22418
32418
42418
52418
62418
72418
82418
92418
102418
112418
122418
132418
142418
152418
162417
172417
182417
192417
202417
212417
222317
232317
242317
252317
262317
272317
282317
292317
302317

Imperial weather by month

How April compares with the rest of the year at a glance. April is the 4th-warmest and 5th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22278
32377
42575
52674
62971
73169
83367
93565
103763
114060
124258
134456
144852
155050
165248
175446
185545
195842
205941
216139
226238
236436
246634
256832
267030
277228
287327
297525
307624

Chance of precipitation in April

Any precipitation

Imperial gets around 4 mm of rain over 1.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 10% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
110
210
39
49
58
67
77
86
95
105
114
124
134
143
153
163
173
183
193
203
213
223
233
243
253
263
273
283
293
303

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1014806
2015796
3017785
4018775
5020764
6022744
7024733
8026713
9028693
10031672
11033652
12035641
13037621
14139591
15141571
16143560
17145540
18147520
19148510
20150490
21152470
22154450
23156430
24158410
25159400
26161380
27262360
28263350
29265330
30267310

Wind in April

Winds average 5 km/h in April.

Across April, 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.

0246810151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over April. Sunrise moves from 6:13 AM to 6:16 AM, and sunset from 6:07 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:136:07
211.96:136:06
311.96:136:05
411.96:136:05
511.86:146:04
611.86:146:03
711.86:146:03
811.86:146:02
911.86:146:01
1011.86:146:01
1111.86:146:00
1211.86:145:59
1311.76:145:59
1411.76:145:58
1511.76:145:58
1611.76:145:57
1711.76:145:56
1811.76:155:56
1911.76:155:55
2011.76:155:55
2111.76:155:54
2211.66:155:53
2311.66:155:53
2411.66:155:52
2511.66:155:52
2611.66:165:51
2711.66:165:51
2811.66:165:50
2911.66:165:50
3011.66:165:49

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.7 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 — April's 5.7 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in April

Is April a good time to visit Imperial?

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

8.2
Sightseeing
6th-best month of the year
6.7
Beach & pool
1st-best month of the year

April is one of the better times to visit Imperial for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Imperial in April

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

In April, Imperial sees daytime highs around 24°C and nights near 18°C. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near Imperial in April

The nearest coast averages about 20°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 12 (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
April 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).