Chillán Viejo weather in July

In July, Chillán Viejo sees average daytime highs of 13°C and overnight lows near 4°C, with 159 mm of rain across 11.7 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 28% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of July to 10 h 06 min by month's end. Set against the rest of the year, July is Chillán Viejo's 10th-clearest and 11th-windiest month. For the whole year in context, see Chillán Viejo's year-round climate.

Daytime high
13°
12th warmest
Overnight low
1st coldest
Rainfall
159 mm
11.7 wet days
Daylight
9 h 42 min
9:02 AM – 6:46 PM
Cloud cover
63%
10th clearest
Wind
11 km/h
11th windiest
Solar energy
2.18 kWh/m²
Travel score
3.3
out of 10

Chillán Viejo is city in Chile.

Density
3,158/km²
people per km²
Founded
1895

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical July day in Chillán Viejo reaches about 13°C in the afternoon and slips back to 4°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 15°C. Set against its neighbours, July runs on par with June and about 2°C cooler than August.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1135
2135
3135
4135
5135
6135
7135
8135
9135
10135
11135
12134
13134
14134
15134
16134
17134
18134
19134
20134
21134
22134
23134
24134
25134
26134
27134
28134
29134
30134
31134

Chillán Viejo weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 13°81.114.28.6
Feb27° / 12°181.613.48.6
Mar24° / 11°212.712.38.7
Apr20° / 605.211.17.1
May15° / 1579.610.14.8
Jun13° / 21413.39.53.2
Jul13° / 15911.79.83.3
Aug14° / 13211.310.64.1
Sep16° / 726.911.85.6
Oct19° / 496.512.96.8
Nov22° / 253.1148.2
Dec25° / 11°162.414.58.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23664
33763
43862
53862
63862
74060
84060
94060
104159
114159
124357
134357
144357
154258
164258
174258
184258
194258
204258
214258
224258
234258
244159
254159
264159
274060
284060
294060
304060
313961

Chance of precipitation in July

Any precipitation

Chillán Viejo gets around 159 mm of rain over 11.7 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
244
344
444
543
643
742
841
940
1039
1138
1237
1337
1436
1536
1635
1735
1834
1934
2034
2134
2234
2334
2435
2535
2636
2736
2837
2937
3037
3138

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in July

Winds average 11 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 30 min at the start of July to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over July. Sunrise moves from 9:06 AM to 8:52 AM, and sunset from 6:38 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.59:066:38
29.59:066:38
39.59:066:38
49.69:066:39
59.69:066:39
69.69:066:40
79.69:056:40
89.69:056:41
99.69:056:42
109.69:056:42
119.69:046:43
129.79:046:43
139.79:046:44
149.79:036:45
159.79:036:45
169.79:026:46
179.79:026:47
189.89:016:47
199.89:016:48
209.89:006:49
219.89:006:49
229.98:596:50
239.98:586:51
249.98:586:52
259.98:576:52
269.98:566:53
2710.08:566:54
2810.08:556:55
2910.08:546:56
3010.18:536:56
3110.18:526:57

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.18 kWh/m².

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 8.63 kWh/m² in January across the year — July's 2.18 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
52.0Dim
62.0Dim
72.0Moderate
82.0Moderate
92.0Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in July

Hazard calendar for Chillán Viejo

In seasonPeak

In July, Chillán Viejo sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Chillán Viejo's rainy season runs May–August, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Chillán Viejo?

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

3.3
Sightseeing
11th-best month of the year
0.0
Beach & pool
12th-best month of the year

July is a weaker month for outdoor sightseeing in Chillán Viejo.

What to pack for Chillán Viejo in July

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

In July, Chillán Viejo sees daytime highs around 13°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Chillán Viejo in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chillán Viejo peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 14UV 12Jun 16UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr5Moderate
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5High
Oct8Very high
Nov10Extreme
Dec12Extreme

Air quality in Chillán Viejo in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Chillán Viejo is worst in April — around 40 µg/m³ PM2.5 (poor), about 4.6× the cleanest month (December, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodApr 1539 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb25Moderate
Mar30Moderate
Apr40Poor
May27Moderate
Jun15Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Chillán Viejo?

Chillán Viejo sits at 36.6°S, 72.1°W, 117 m above sea level, in Chile. The nearest listed city is Chillán, 3.0 km away.

Topography around Chillán Viejo

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

Within 3 km, the terrain around Chillán Viejo has only modest variations in elevation — a maximum elevation change of 50 m around an average of 105 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,164 m.

The land around Chillán Viejo is covered by artificial surfaces (39%), grassland (25%) and cropland (20%) within 3 km, trees (33%), grassland (33%) and cropland (26%) within 16 km, and trees (50%) and grassland (26%) within 80 km.

3 km
50 m
16 km
189 m
80 km
3,164 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Chillán 3.0 km · Coihueco 27 km · San Carlos 27 km · Quillón 33 km · Cabrero 52 km · Coelemu 53 km · Parral 60 km · Tomé 74 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 1%

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 Chillán Viejo (-36.623°, -72.1319°, elevation 117 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).