Ascención de Guarayos in Winter

In winter (June, July and August), Ascención de Guarayos sees average daytime highs around 28°C and overnight lows near 18°C, with 133 mm of rain over about 17 wet days across the season. It is the coldest season of the year and the driest season of the year.

Over the season highs climb from about 27°C in early June to 31°C by late August. The sky is clear or mostly clear about 56% of the time across winter, and the air most often feels muggy.

Winter is Ascención de Guarayos's best season of the year to visit on our travel score. For the whole year in context, see Ascención de Guarayos's year-round climate.

Avg daytime high
28°C
coldest season of the year
Avg overnight low
18°C
Rainfall
133 mm
17 wet days
Avg wind
10 km/h
Travel score
6.8
best season of the year
Months
Jun · Jul · Aug

Temperature in Ascención de Guarayos in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 27°C in early June to 31°C by late August.

A typical winter day in Ascención de Guarayos reaches about 28°C and drops to 18°C overnight. The warmest of the three months is August, the coolest July.

10°20°30°40°JunJulAug

How winter really feels in Ascención de Guarayos

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

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

winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ascención de Guarayos weather by month

How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°29525.512.83.1
Feb30° / 23°24622.912.53.2
Mar30° / 23°18522.512.13.5
Apr29° / 21°10414.311.74.7
May27° / 19°7110.311.36.2
Jun27° / 18°537.111.17.0
Jul27° / 17°354.811.17.4
Aug30° / 18°455.111.55.9
Sep31° / 21°92911.94.5
Oct32° / 22°13915.112.43.7
Nov31° / 22°1931912.73.5
Dec30° / 23°24224.212.93.1

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time across winter.

0%25%50%75%100%JunJulAug

Chance of precipitation in Winter

Any precipitation

Ascención de Guarayos gets around 133 mm of rain over 17 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%JunJulAug

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Winter

Winds average 10 km/h across winter.

051015JunJulAug

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 11 h 06 min in early June to 11 h 42 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 4.3 kWh/m².

0246JunJulAug
Planning a trip in winter

Hazard calendar for Ascención de Guarayos

In seasonPeak

None of Ascención de Guarayos's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Ascención de Guarayos's rainy season runs October–March, when most of the year's rain falls.

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

Is winter a good time to visit Ascención de Guarayos?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.8
Sightseeing
1st-best month of the year
7.6
Beach & pool
1st-best month of the year

winter is a reasonable time to visit Ascención de Guarayos for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ascención de Guarayos in Winter

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

In winter, Ascención de Guarayos sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 17 days see rain.

light clothessun protection

UV index in Ascención de Guarayos in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ascención de Guarayos peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeJan 18UV 15Sep 15UV 7
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep7High
Oct8Very high
Nov13Extreme
Dec14Extreme

Air quality in Ascención de Guarayos in Winter

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ascención de Guarayos is worst in September — around 154 µg/m³ PM2.5 (very unhealthy), about 24.0× the cleanest month (May, 6 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateSep 16142 µg/m³May 137 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr7Good
May6Good
Jun8Good
Jul18Moderate
Aug60Unhealthy
Sep154Very unhealthy
Oct64Unhealthy
Nov22Moderate
Dec11Good
Location & terrain

Where is Ascención de Guarayos?

Ascención de Guarayos sits at 15.9°S, 63.2°W, 248 m above sea level, in Bolivia. The nearest listed city is Montero, 161 km away.

MonteroWarnesVilla YapacaníSanta CruzCotocaTrinidadEl TornoSan Ignacio de Velasco

Topography around Ascención de Guarayos

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

Within 3 km, the terrain around Ascención de Guarayos has only modest variations in elevation — a maximum elevation change of 76 m around an average of 220 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 217 m; within 80 km, large variations in elevation — a maximum elevation change of 700 m.

The land around Ascención de Guarayos is covered by grassland (44%) and trees (40%) within 3 km, trees (58%) and grassland (26%) within 16 km, and trees (71%) within 80 km.

3 km
76 m
16 km
217 m
80 km
700 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
Winter weather nearby: Montero 161 km · Warnes 181 km · Villa Yapacaní 181 km · Santa Cruz 211 km · Cotoca 214 km · Trinidad 218 km · El Torno 235 km · San Ignacio de Velasco 244 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 Ascención de Guarayos (-15.893°, -63.1885°, elevation 248 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.