Montero in Winter
In winter (June, July and August), Montero sees average daytime highs around 27°C and overnight lows near 17°C, with 157 mm of rain over about 22 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 25°C in early June to 30°C by late August. The sky is clear or mostly clear about 44% of the time across winter, and the air most often feels muggy.
Winter is Montero's best season of the year to visit on our travel score. For the whole year in context, see Montero's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 157 mm
- 22 wet days
- Avg wind
- 12 km/h
- Travel score
- 6.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Montero in Winter
Over the season highs climb from about 25°C in early June to 30°C by late August.
A typical winter day in Montero reaches about 27°C and drops to 17°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Montero
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.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Montero 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 23° | 232 | 22.6 | 12.9 | 3.3 |
| Feb | 30° / 23° | 206 | 20.9 | 12.6 | 3.4 |
| Mar | 30° / 22° | 155 | 19.6 | 12.1 | 3.8 |
| Apr | 29° / 21° | 96 | 14 | 11.6 | 4.9 |
| May | 26° / 18° | 82 | 12 | 11.2 | 6.3 |
| Jun | 25° / 17° | 61 | 9.9 | 11 | 6.7 |
| Jul | 26° / 16° | 46 | 6.6 | 11.1 | 7.4 |
| Aug | 28° / 18° | 50 | 5.8 | 11.4 | 6.6 |
| Sep | 30° / 20° | 96 | 8.4 | 11.9 | 5.0 |
| Oct | 31° / 22° | 137 | 14.6 | 12.4 | 4.0 |
| Nov | 31° / 22° | 172 | 17.1 | 12.8 | 3.7 |
| Dec | 30° / 23° | 239 | 23.3 | 13 | 3.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 44% of the time across winter.
Chance of precipitation in Winter
Montero gets around 157 mm of rain over 22 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 12 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 hours in early June to 11 h 36 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.9 kWh/m².
Hazard calendar for Montero
None of Montero's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Montero's rainy season runs October–March, when most of the year's rain falls.
Is winter a good time to visit Montero?
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.
winter is a reasonable time to visit Montero for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Montero in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Montero sees daytime highs around 27°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 22 days see rain.
UV index in Montero in Winter
Clear-sky midday UV across winter averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Montero peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 7 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 14 | 14 | 11 | 9 | 7 | 7 | 8 | 9 | 8 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | Very high | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | Very high |
| Jul | 7 | High |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 8 | Very high |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Montero in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Montero is worst in September — around 52 µg/m³ PM2.5 (poor), about 6.7× the cleanest month (May, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 11 | 10 | 8 | 8 | 10 | 14 | 29 | 52 | 33 | 17 | 10 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Poor | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 10 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 10 | Good |
| Jul | 14 | Moderate |
| Aug | 29 | Moderate |
| Sep | 52 | Poor |
| Oct | 33 | Moderate |
| Nov | 17 | Moderate |
| Dec | 10 | Good |
Where is Montero?
Montero sits at 17.3°S, 63.3°W, 300 m above sea level, in Bolivia. The nearest listed city is Warnes, 22 km away.
Topography around Montero
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Montero.
Within 3 km, the terrain around Montero has only modest variations in elevation — a maximum elevation change of 19 m around an average of 291 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,536 m.
The land around Montero is covered by artificial surfaces (52%) and trees (21%) within 3 km, grassland (44%), trees (26%) and cropland (23%) within 16 km, and trees (37%), cropland (34%) and grassland (25%) within 80 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
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 Montero (-17.3387°, -63.2509°, elevation 300 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.