Montero in Fall
In fall (March, April and May), Montero sees average daytime highs around 28°C and overnight lows near 20°C, with 332 mm of rain over about 46 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 30°C in early March to 25°C by late May. The sky is clear or mostly clear about 21% of the time across fall, and the air most often feels oppressive.
Fall is Montero's 2nd-best season to visit on our travel score. For the whole year in context, see Montero's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 332 mm
- 46 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Montero in Fall
Over the season highs ease from about 30°C in early March to 25°C by late May.
A typical fall day in Montero reaches about 28°C and drops to 20°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Montero
Once humidity and wind are folded in, fall brings about 37 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Montero weather by month
How the three fall months (March, April and May) 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 Fall
The sky is clear or mostly clear about 21% of the time across fall.
Chance of precipitation in Fall
Montero gets around 332 mm of rain over 46 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early March to 11 hours by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.3 kWh/m².
Hazard calendar for Montero
In fall, Montero overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Montero's rainy season runs October–March, when most of the year's rain falls.
Is fall a good time to visit Montero?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Montero for sightseeing.
What to pack for Montero in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Montero sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 46 days see rain.
UV index in Montero in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). 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 Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall 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.