Montero weather in January

In January, Montero sees average daytime highs of 30°C and overnight lows near 23°C, with 232 mm of rain across 22.6 wet days and about 12.9 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 10% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of January to 12 h 48 min by month's end. Set against the rest of the year, January is Montero's 10th-clearest and 11th-windiest month. For the whole year in context, see Montero's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
23°
12th coldest
Rainfall
232 mm
22.6 wet days
Daylight
12 h 54 min
5:54 AM – 6:50 PM
Cloud cover
77%
10th clearest
Wind
10 km/h
11th windiest
Solar energy
5.4 kWh/m²
Travel score
3.3
out of 10

Montero is city in Bolivia.

Density
316/km²
people per km²
Founded
1854

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Montero reaches about 30°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283023
293023
303023
313023

How January really feels in Montero

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

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

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Montero weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°23222.612.93.3
Feb30° / 23°20620.912.63.4
Mar30° / 22°15519.612.13.8
Apr29° / 21°961411.64.9
May26° / 18°821211.26.3
Jun25° / 17°619.9116.7
Jul26° / 16°466.611.17.4
Aug28° / 18°505.811.46.6
Sep30° / 20°968.411.95.0
Oct31° / 22°13714.612.44.0
Nov31° / 22°17217.112.83.7
Dec30° / 23°23923.3133.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21882
31882
41882
51882
61981
71981
81981
92080
102179
112179
122278
132377
142377
152377
162674
172674
182674
192773
202773
212773
222773
232773
242773
252773
262773
272674
282674
292476
302476
312476

Chance of precipitation in January

Any precipitation

Montero gets around 232 mm of rain over 22.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 80% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
180
280
379
479
579
678
777
876
975
1074
1173
1272
1371
1471
1570
1669
1769
1868
1968
2068
2169
2269
2370
2470
2571
2672
2774
2874
2975
3076
3177

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1167815
2167815
3167716
4177616
5177517
6177517
7187417
8187318
9187318
10187318
11187318
12287218
13287218
14287218
15287218
16287218
17287218
18287218
19277318
20277318
21277318
22267418
23267418
24267319
25257419
26257419
27257320
28257320
29257221
30257221
31267121

Wind in January

Winds average 10 km/h in January.

Across January, 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
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 hours at the start of January to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 5:46 AM to 6:03 AM, and sunset from 6:47 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:466:47
213.05:466:47
313.05:476:47
413.05:476:48
513.05:486:48
613.05:486:48
713.05:496:49
813.05:506:49
913.05:506:49
1013.05:516:49
1113.05:516:50
1213.05:526:50
1313.05:536:50
1412.95:536:50
1512.95:546:50
1612.95:546:50
1712.95:556:50
1812.95:566:50
1912.95:566:50
2012.95:576:51
2112.95:576:51
2212.95:586:51
2312.95:586:51
2412.95:596:51
2512.86:006:50
2612.86:006:50
2712.86:016:50
2812.86:016:50
2912.86:026:50
3012.86:026:50
3112.86:036:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.4 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 5.42 kWh/m² in October across the year — January's 5.4 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Montero

In seasonPeak

In January, Montero sits inside 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.

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

Is January a good time to visit Montero?

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

3.3
Sightseeing
11th-best month of the year
4.6
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Montero.

What to pack for Montero in January

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

In January, Montero sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Montero in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 18UV 15Jul 15UV 7
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul7High
Aug8Very high
Sep9Very high
Oct8Very high
Nov13Extreme
Dec14Extreme

Air quality in Montero in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1749 µg/m³May 118 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr8Good
May8Good
Jun10Good
Jul14Moderate
Aug29Moderate
Sep52Poor
Oct33Moderate
Nov17Moderate
Dec10Good
Location & terrain

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.

Ascención de GuarayosMizqueSan Ignacio de Velasco

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.

3 km
19 m
16 km
84 m
80 km
1,536 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Warnes 22 km · Santa Cruz 50 km · Cotoca 57 km · Villa Yapacaní 62 km · El Torno 75 km · Ascención de Guarayos 161 km · Mizque 231 km · San Ignacio de Velasco 266 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 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. 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).