Momostenango in Fall
In fall (September, October and November), Momostenango sees average daytime highs around 20°C and overnight lows near 11°C, with 619 mm of rain over about 69 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 20°C. The sky is clear or mostly clear about 10% of the time across fall, and the air most often feels dry.
Fall is Momostenango's 3rd-best season to visit on our travel score. For the whole year in context, see Momostenango's year-round climate.
- Avg daytime high
- 20°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Rainfall
- 619 mm
- 69 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.2
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Momostenango in Fall
Across fall, daytime highs hold fairly steady around 20°C.
A typical fall day in Momostenango reaches about 20°C and drops to 11°C overnight. The warmest of the three months is September, the coolest November.
Momostenango weather by month
How the three fall months (September, October and November) 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 | 19° / 9° | 16 | 5 | 11.2 | 7.2 |
| Feb | 21° / 9° | 16 | 4.1 | 11.5 | 7.6 |
| Mar | 22° / 10° | 42 | 9.7 | 11.9 | 7.0 |
| Apr | 22° / 11° | 94 | 17 | 12.3 | 5.7 |
| May | 22° / 12° | 258 | 27 | 12.7 | 4.0 |
| Jun | 20° / 12° | 344 | 28.4 | 12.9 | 3.4 |
| Jul | 20° / 11° | 203 | 25.7 | 12.8 | 3.9 |
| Aug | 20° / 12° | 244 | 27.8 | 12.5 | 3.6 |
| Sep | 20° / 12° | 322 | 29.3 | 12.1 | 3.3 |
| Oct | 20° / 12° | 231 | 26.3 | 11.7 | 3.8 |
| Nov | 19° / 10° | 66 | 13.7 | 11.3 | 5.6 |
| Dec | 19° / 9° | 27 | 6.2 | 11.1 | 6.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 10% of the time across fall.
Chance of precipitation in Fall
Momostenango gets around 619 mm of rain over 69 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 12 min by late November. 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 4.7 kWh/m².
Hazard calendar for Momostenango
In fall, Momostenango overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Momostenango's rainy season runs May–October, when most of the year's rain falls.
Is fall a good time to visit Momostenango?
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 Momostenango for sightseeing.
What to pack for Momostenango in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Momostenango sees daytime highs around 20°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 69 days see rain.
UV index in Momostenango in Fall
Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Momostenango peaks around April 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (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) | 10 | 14 | 15 | 16 | 13 | 14 | 14 | 14 | 13 | 12 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 16 | Extreme |
| May | 13 | Extreme |
| Jun | 14 | Extreme |
| Jul | 14 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Extreme |
| Dec | 10 | Very high |
Air quality in Momostenango 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 Momostenango is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 23 | 22 | 25 | 34 | 34 | 23 | 23 | 22 | 23 | 23 | 23 | 25 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 23 | Moderate |
| Feb | 22 | Moderate |
| Mar | 25 | Moderate |
| Apr | 34 | Moderate |
| May | 34 | Moderate |
| Jun | 23 | Moderate |
| Jul | 23 | Moderate |
| Aug | 22 | Moderate |
| Sep | 23 | Moderate |
| Oct | 23 | Moderate |
| Nov | 23 | Moderate |
| Dec | 25 | Moderate |
Where is Momostenango?
Momostenango sits at 15.0°N, 91.4°W, 2,215 m above sea level, in Guatemala. The nearest listed city is San Francisco El Alto, 12 km away.
Topography around Momostenango
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Momostenango.
Within 3 km, the terrain around Momostenango has significant variations in elevation — a maximum elevation change of 442 m around an average of 2,252 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,670 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,169 m.
The land around Momostenango is covered by trees (83%) within 3 km, trees (69%) within 16 km, and trees (80%) within 80 km.
Guatemala travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 43% of US
- price level, 2025
- GDP per capita
- $6,598
- 2025
- Happiness
- 6.5 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 23.4
- per 100k, 2023
- Road deaths
- 22.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 510
- 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 Momostenango (15.0444°, -91.4086°, elevation 2,215 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.