Ocoyoacac in Fall
In fall (September, October and November), Ocoyoacac sees average daytime highs around 19°C and overnight lows near 7°C, with 359 mm of rain over about 44 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 19°C. The sky is clear or mostly clear about 22% of the time across fall, and the air most often feels dry.
Fall is Ocoyoacac's 3rd-best season to visit on our travel score. For the whole year in context, see Ocoyoacac's year-round climate.
- Avg daytime high
- 19°C
- 3rd-warmest season
- Avg overnight low
- 7°C
- Rainfall
- 359 mm
- 44 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.4
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Ocoyoacac in Fall
Across fall, daytime highs hold fairly steady around 19°C.
A typical fall day in Ocoyoacac reaches about 19°C and drops to 7°C overnight. The warmest of the three months is September, the coolest November.
Ocoyoacac 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 | 17° / 3° | 24 | 4.9 | 11 | 6.6 |
| Feb | 19° / 4° | 24 | 5.6 | 11.3 | 7.1 |
| Mar | 21° / 5° | 32 | 7.6 | 11.9 | 7.1 |
| Apr | 22° / 7° | 60 | 11.1 | 12.4 | 6.6 |
| May | 22° / 8° | 129 | 17 | 12.9 | 5.6 |
| Jun | 21° / 9° | 232 | 21.1 | 13.1 | 4.5 |
| Jul | 19° / 9° | 301 | 27.8 | 13 | 3.6 |
| Aug | 19° / 9° | 282 | 26.7 | 12.7 | 3.7 |
| Sep | 19° / 9° | 226 | 23.4 | 12.1 | 4.0 |
| Oct | 19° / 7° | 99 | 14.4 | 11.6 | 5.4 |
| Nov | 18° / 5° | 34 | 6.5 | 11.1 | 6.7 |
| Dec | 18° / 3° | 14 | 3.5 | 10.9 | 7.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 22% of the time across fall.
Chance of precipitation in Fall
Ocoyoacac gets around 359 mm of rain over 44 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 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 h 54 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 5.1 kWh/m².
Hazard calendar for Ocoyoacac
In fall, Ocoyoacac overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Ocoyoacac's monsoon runs June–September, when most of the year's rain falls.
Is fall a good time to visit Ocoyoacac?
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 Ocoyoacac for sightseeing.
What to pack for Ocoyoacac in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Ocoyoacac sees daytime highs around 19°C and nights near 7°C. Pack rain gear. Worth having: a warm layer and sun protection. About 44 days see rain.
UV index in Ocoyoacac in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ocoyoacac peaks around March 23 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (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 | 12 | 15 | 14 | 12 | 15 | 12 | 13 | 11 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 12 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 15 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Ocoyoacac 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 Ocoyoacac is worst in December — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Seasonal pattern from CAMS reanalysis, scaled to Ocoyoacac's WHO annual average of 14.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 14 | 12 | 12 | 13 | 13 | 15 | 14 | 15 | 15 | 17 | 17 |
| Level | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 14 | Moderate |
| Mar | 12 | Moderate |
| Apr | 12 | Good |
| May | 13 | Moderate |
| Jun | 13 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 15 | Moderate |
| Oct | 15 | Moderate |
| Nov | 17 | Moderate |
| Dec | 17 | Moderate |
Where is Ocoyoacac?
Ocoyoacac sits at 19.3°N, 99.5°W, 2,597 m above sea level, in Mexico. The nearest listed city is Lerma de Villada, 6.0 km away.
Topography around Ocoyoacac
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ocoyoacac.
Within 3 km, the terrain around Ocoyoacac has only modest variations in elevation — a maximum elevation change of 233 m around an average of 2,636 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,284 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,746 m.
The land around Ocoyoacac is covered by trees (36%), artificial surfaces (29%) and cropland (21%) within 3 km, trees (39%) and cropland (28%) within 16 km, and trees (41%) and cropland (22%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- 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 Ocoyoacac (19.2713°, -99.4579°, elevation 2,597 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.