Viacha weather in July

In July, Viacha sees average daytime highs of 15°C and overnight lows near -2°C, with 11 mm of precipitation across 3 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 70% of the time in July, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of July to 11 h 12 min by month's end. Set against the rest of the year, July is Viacha's 1st-clearest and 3rd-windiest month. For the whole year in context, see Viacha's year-round climate.

Daytime high
15°
9th warmest
Overnight low
-2°
1st coldest
Precipitation
11 mm
3 wet days
Daylight
11 h 06 min
7:06 AM – 6:12 PM
Cloud cover
30%
1st clearest
Wind
6 km/h
3rd windiest
Solar energy
5.61 kWh/m²
Travel score
5.6
out of 10

Viacha is city in Bolivia.

Density
18,344/km²
people per km²

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 15°C through the month.

A typical July day in Viacha reaches about 15°C in the afternoon and slips back to -2°C overnight — a 17°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 17°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
115-2
215-2
315-2
415-2
515-2
615-2
715-2
815-2
915-2
1015-2
1115-2
1215-2
1315-2
1415-2
1515-2
1615-2
1715-2
1815-2
1915-2
2015-2
2115-2
2215-2
2315-2
2415-2
2515-2
2615-2
2715-2
2815-2
2915-2
3015-2
3115-2

How July really feels in Viacha

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in July is cold — wind chill drags the overnight "feels like" below the raw low.

Viacha weather by month

How July compares with the rest of the year at a glance. July is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan15° / 14324.80.612.92.7
Feb15° / 12422.60.412.62.7
Mar15° / 9622.40.112.13.1
Apr15° / 4613.60.111.64.2
May16° / 144.80.111.25.7
Jun15° / -2°82.50.3115.7
Jul15° / -2°1130.911.15.6
Aug16° / -1°174.50.911.45.7
Sep16° / 329.60.611.95.4
Oct17° / 5313.30.512.45.0
Nov17° / 5813.90.112.84.8
Dec16° / 11020.90.5133.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28317
38317
48317
58317
68317
78317
88218
98218
108317
118317
128218
138317
148317
158317
168317
178416
188416
198416
208416
218515
228515
238515
248515
258515
268515
278515
288515
298515
308515
318416

Chance of precipitation in July

Any precipitationSnow

Viacha gets around 11 mm of rain and snow over 3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 10% and peaks near 11% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
183
283
383
493
593
693
793
893
993
1093
11103
12103
13103
14103
15103
16103
17113
18113
19113
20113
21103
22103
23103
24102
25102
2692
2792
2892
2992
3092
3192

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 6 km/h in July.

Across July, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 hours at the start of July to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over July. Sunrise moves from 7:06 AM to 7:02 AM, and sunset from 6:07 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:066:07
211.07:066:07
311.07:066:08
411.07:066:08
511.07:066:08
611.07:066:09
711.07:066:09
811.07:066:09
911.17:066:09
1011.17:066:10
1111.17:066:10
1211.17:066:10
1311.17:066:11
1411.17:066:11
1511.17:066:11
1611.17:066:12
1711.17:066:12
1811.17:066:12
1911.17:066:13
2011.17:056:13
2111.17:056:13
2211.17:056:14
2311.27:056:14
2411.27:046:14
2511.27:046:15
2611.27:046:15
2711.27:046:15
2811.27:036:15
2911.27:036:16
3011.27:036:16
3111.27:026:16

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.61 kWh/m².

For context, solar energy here swings from a low near 5.44 kWh/m² to a high of 7.44 kWh/m² in November across the year — July's 5.61 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.9Bright
Planning a trip in July

Hazard calendar for Viacha

In seasonPeak

None of Viacha's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Viacha's rainy season runs December–March, 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 Viacha?

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

5.6
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

July is a reasonable time to visit Viacha for sightseeing.

What to pack for Viacha in July

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

In July, Viacha sees daytime highs around 15°C and nights near -2°C. Worth packing: a warm layer and sun protection. About 3 days see rain.

a warm layersun protection

UV index in Viacha in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Viacha peaks around February 8 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 9 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 8UV 19Jul 9UV 9
UV index (midday)Level
Jan19Extreme
Feb19Extreme
Mar17Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug13Extreme
Sep15Extreme
Oct17Extreme
Nov17Extreme
Dec18Extreme
Location & terrain

Where is Viacha?

Viacha sits at 16.6°S, 68.3°W, 3,870 m above sea level, in Bolivia. The nearest listed city is Laja, 16 km away.

CopacabanaSorataIsla del SolCaranavi

Topography around Viacha

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

Within 3 km, the terrain around Viacha has only modest variations in elevation — a maximum elevation change of 115 m around an average of 3,856 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 360 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,498 m.

The land around Viacha is covered by cropland (45%) and grassland (36%) within 3 km, grassland (43%) and cropland (43%) within 16 km, and grassland (65%) within 80 km.

3 km
115 m
16 km
360 m
80 km
5,498 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewaterwetland
July weather nearby: Laja 16 km · Achocalla 18 km · La Paz 23 km · Tiahuanaco 42 km · Copacabana 99 km · Sorata 104 km · Isla del Sol 113 km · Caranavi 120 km

Bolivia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$5,148
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2023
Road deaths
21.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 521
Religion
Roman Catholic 65%Protestant 20%none 6%other 5%

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 Viacha (-16.65°, -68.3°, elevation 3,870 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).