Hualmay weather in October

In October, Hualmay sees average daytime highs of 22°C and overnight lows near 15°C, with 4 mm of rain across 1.3 wet days and about 12.2 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 32% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 24 min by month's end. Set against the rest of the year, October is Hualmay's 6th-clearest and 2nd-windiest month. For the whole year in context, see Hualmay's year-round climate.

Daytime high
22°
8th warmest
Overnight low
15°
4th coldest
Rainfall
4 mm
1.3 wet days
Daylight
12 h 18 min
5:48 AM – 6:03 PM
Cloud cover
58%
6th clearest
Wind
9 km/h
2nd windiest
Solar energy
7.03 kWh/m²
Travel score
8.0
out of 10

Hualmay is city in Lima, Peru.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical October day in Hualmay reaches about 22°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, October runs on par with September and about 1°C cooler than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82215
92215
102215
112215
122215
132215
142215
152215
162215
172215
182215
192215
202215
212215
222215
232215
242215
252215
262315
272315
282315
292316
302316
312316

Hualmay weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 18°268.712.66.5
Feb25° / 19°5415.312.45.3
Mar25° / 19°5716.712.15.4
Apr24° / 18°113.611.87.8
May23° / 16°10.211.58.7
Jun22° / 15°00.111.48.6
Jul22° / 15°0011.48.6
Aug21° / 15°10.111.68.6
Sep22° / 15°20.511.98.3
Oct22° / 15°41.312.28.0
Nov23° / 16°41.312.58.0
Dec24° / 17°113.612.67.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 20% of October, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36733
46733
56733
66634
76535
86436
96337
106139
116040
125941
135743
145545
155347
165248
174951
184852
194753
204555
214456
224357
234258
244159
254060
264060
273961
284060
294060
303961
314060

Chance of precipitation in October

Any precipitation

Hualmay gets around 4 mm of rain over 1.3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
123
134
144
154
164
174
184
194
205
215
225
235
245
255
265
275
285
295
305
315

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18020
27921
37822
47822
57723
67723
77624
87525
97525
107426
117426
127327
137228
147129
157030
166931
176832
186733
196535
206436
216337
226238
236238
246139
256040
266040
276040
285941
295941
305941
315941

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over October. Sunrise moves from 5:57 AM to 5:42 AM, and sunset from 6:02 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:576:02
212.15:566:02
312.15:556:02
412.15:556:02
512.15:546:02
612.15:536:02
712.25:536:02
812.25:526:02
912.25:526:02
1012.25:516:03
1112.25:516:03
1212.25:506:03
1312.25:496:03
1412.25:496:03
1512.25:486:03
1612.35:486:03
1712.35:476:03
1812.35:476:03
1912.35:476:03
2012.35:466:04
2112.35:466:04
2212.35:456:04
2312.35:456:04
2412.35:446:04
2512.35:446:04
2612.35:446:05
2712.45:436:05
2812.45:436:05
2912.45:436:05
3012.45:436:06
3112.45:426:06

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 7.03 kWh/m².

For context, solar energy here swings from a low near 5.18 kWh/m² to a high of 7.23 kWh/m² in November across the year — October's 7.03 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.1Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
317.2Intense
Planning a trip in October

Is October a good time to visit Hualmay?

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

8.0
Sightseeing
6th-best month of the year
5.7
Beach & pool
7th-best month of the year

October is one of the better times to visit Hualmay for general sightseeing.

What to pack for Hualmay in October

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

In October, Hualmay sees daytime highs around 22°C and nights near 15°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Hualmay in October

The nearest coast averages about 17°C in October — 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 22°C and coldest in October near 17°C.

It's comfortable for a long swim from Jan 2 to Apr 7 — about 3.2 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb22Refreshing
Mar21Refreshing
Apr20Cool
May19Cool
Jun19Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov18Cool
Dec19Cool

UV index in Hualmay in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Hualmay peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 13UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar13Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Extreme
Sep10Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme

Air quality in Hualmay in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Hualmay is worst in May — around 30 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (January, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 2130 µg/m³Jan 1818 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar23Moderate
Apr26Moderate
May30Moderate
Jun29Moderate
Jul27Moderate
Aug26Moderate
Sep24Moderate
Oct24Moderate
Nov23Moderate
Dec22Moderate
Location & terrain

Where is Hualmay?

Hualmay sits at 11.1°S, 77.6°W, 39 m above sea level, in Peru. The nearest listed city is Huacho, 2.0 km away.

CallaoCarmen De La Legua Reynoso

Topography around Hualmay

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

Within 3 km, the terrain around Hualmay has only modest variations in elevation — a maximum elevation change of 120 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 861 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,156 m.

The land around Hualmay is covered by water (29%) and artificial surfaces (24%) within 3 km, water (44%) and bare terrain (34%) within 16 km, and water (43%) and bare terrain (35%) within 80 km.

3 km
120 m
16 km
861 m
80 km
5,156 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Huacho 2.0 km · Huaura 3.0 km · Barranca 42 km · Paramonga 53 km · Huaral 63 km · Chancay 65 km · Callao 118 km · Carmen De La Legua Reynoso 120 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 Hualmay (-11.0964°, -77.6139°, elevation 39 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. 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).