Juanjuí weather in October

In October, Juanjuí sees average daytime highs of 31°C and overnight lows near 21°C, with 169 mm of rain across 20.8 wet days and about 12.2 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 12% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 18 min by month's end. Set against the rest of the year, October is Juanjuí's 6th-clearest and 3rd-windiest month. For the whole year in context, see Juanjuí's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
21°
10th coldest
Rainfall
169 mm
20.8 wet days
Daylight
12 h 12 min
5:47 AM – 5:57 PM
Cloud cover
73%
6th clearest
Wind
3 km/h
3rd windiest
Solar energy
5.71 kWh/m²
Travel score
3.4
out of 10

Juanjuí is town in San Martín, 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 31°C through the month.

A typical October day in Juanjuí reaches about 31°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, October runs on par with September and on par with November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223121
233021
243021
253021
263021
273021
283021
293021
303021
313021

How October really feels in Juanjuí

Once humidity and wind are folded in, October averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Juanjuí weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°2212512.43.3
Feb29° / 21°2142312.23.2
Mar29° / 21°22725.5123.3
Apr29° / 21°16721.611.83.7
May29° / 21°11717.611.74.4
Jun29° / 20°7312.411.65.3
Jul29° / 20°6010.411.65.6
Aug30° / 20°619.311.85.1
Sep31° / 21°8813.3124.1
Oct31° / 21°16920.812.23.4
Nov30° / 21°23324.412.33.1
Dec30° / 21°23725.912.43.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53862
63862
73862
83664
93664
103565
113466
123466
133466
143268
153169
163070
172872
182773
192674
202674
212575
222476
232377
242278
252179
262179
272080
281981
291981
301882
311882

Chance of precipitation in October

Any precipitation

Juanjuí gets around 169 mm of rain over 20.8 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 67% and peaks near 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
155
256
357
458
559
659
760
861
962
1063
1163
1264
1365
1465
1566
1667
1768
1868
1969
2070
2171
2271
2372
2473
2574
2674
2775
2876
2976
3077
3177

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
15248
25050
34951
44753
54654
64456
74258
84159
93961
103862
113763
123565
133466
143367
153169
163070
172872
182773
192575
202476
212278
222080
231981
241882
251684
261585
271486
281486
291387
301387
311288

Wind in October

Winds average 3 km/h in October.

Across October, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over October. Sunrise moves from 5:54 AM to 5:43 AM, and sunset from 5:58 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:545:58
212.15:535:58
312.15:535:58
412.15:525:57
512.15:525:57
612.15:515:57
712.15:515:57
812.15:515:57
912.15:505:57
1012.15:505:57
1112.15:495:57
1212.15:495:57
1312.15:485:57
1412.15:485:57
1512.25:485:57
1612.25:475:57
1712.25:475:57
1812.25:465:57
1912.25:465:57
2012.25:465:57
2112.25:455:57
2212.25:455:57
2312.25:455:57
2412.25:445:57
2512.25:445:57
2612.25:445:57
2712.25:445:57
2812.25:435:58
2912.25:435:58
3012.25:435:58
3112.35:435:58

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.71 kWh/m².

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 5.79 kWh/m² in September across the year — October's 5.71 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in October

Is October a good time to visit Juanjuí?

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

3.4
Sightseeing
7th-best month of the year
5.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Juanjuí.

What to pack for Juanjuí in October

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

In October, Juanjuí sees daytime highs around 31°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Juanjuí 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 Juanjuí peaks around February 13 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 13UV 16Jun 23UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May12Extreme
Jun10Very high
Jul10Extreme
Aug11Extreme
Sep10Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme

Air quality in Juanjuí 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 Juanjuí is worst in August — around 63 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (May, 11 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateAug 2160 µg/m³May 2111 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb20Moderate
Mar16Moderate
Apr13Moderate
May11Good
Jun11Good
Jul16Moderate
Aug63Unhealthy
Sep50Poor
Oct17Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Juanjuí?

Juanjuí sits at 7.2°S, 76.7°W, 278 m above sea level, in Peru. The nearest listed city is Bellavista, 20 km away.

TocacheMoyobambaRiojaUchizaYurimaguasHuamachuco

Topography around Juanjuí

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

Within 3 km, the terrain around Juanjuí has only modest variations in elevation — a maximum elevation change of 210 m around an average of 299 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 897 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,562 m.

The land around Juanjuí is covered by trees (56%) within 3 km, trees (82%) within 16 km, and trees (93%) within 80 km.

3 km
210 m
16 km
897 m
80 km
3,562 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Bellavista 20 km · La Banda 87 km · Tocache 115 km · Moyobamba 130 km · Rioja 134 km · Uchiza 146 km · Yurimaguas 157 km · Huamachuco 163 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 Juanjuí (-7.177°, -76.7277°, elevation 278 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).