Oyonnax in Fall
In fall (September, October and November), Oyonnax sees average daytime highs around 14°C and overnight lows near 7°C, with 417 mm of precipitation over about 39 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 21°C in early September to 6°C by late November. The sky is clear or mostly clear about 24% of the time across fall, and the air most often feels dry.
Fall is Oyonnax's 2nd-best season to visit on our travel score. For the whole year in context, see Oyonnax's year-round climate.
- Avg daytime high
- 14°C
- 3rd-warmest season
- Avg overnight low
- 7°C
- Precipitation
- 417 mm
- 39 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.7
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Oyonnax in Fall
Over the season highs ease from about 21°C in early September to 6°C by late November.
A typical fall day in Oyonnax reaches about 14°C and drops to 7°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Oyonnax
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 15 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Oyonnax 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 5° / -1° | 141 | 13.3 | 6.9 | 8.8 | 0.0 |
| Feb | 6° / -1° | 117 | 11.7 | 6.5 | 10 | 0.5 |
| Mar | 11° / 2° | 126 | 13.2 | 4.4 | 11.6 | 2.4 |
| Apr | 14° / 5° | 124 | 14.3 | 2 | 13.3 | 3.7 |
| May | 18° / 9° | 150 | 16.4 | 0.3 | 14.7 | 4.9 |
| Jun | 22° / 12° | 134 | 14.5 | 0 | 15.5 | 5.9 |
| Jul | 24° / 14° | 124 | 13.6 | 0 | 15.2 | 6.6 |
| Aug | 23° / 14° | 124 | 12.8 | 0 | 14 | 6.6 |
| Sep | 19° / 10° | 126 | 11.9 | 0 | 12.3 | 5.8 |
| Oct | 14° / 7° | 139 | 13.4 | 0.3 | 10.7 | 3.9 |
| Nov | 9° / 2° | 152 | 13.9 | 3.5 | 9.2 | 1.4 |
| Dec | 5° / -0° | 162 | 14.1 | 6.4 | 8.5 | 0.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 24% of the time across fall.
Chance of precipitation in Fall
Oyonnax gets around 417 mm of rain and snow over 39 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 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 12 min in early September to 8 h 42 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 2.6 kWh/m².
Is fall a good time to visit Oyonnax?
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 weaker month for outdoor sightseeing in Oyonnax.
What to pack for Oyonnax in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Oyonnax sees daytime highs around 14°C and nights near 7°C. Pack a warm layer and rain gear. About 39 days see rain.
UV index in Oyonnax in Fall
Clear-sky midday UV across fall averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Oyonnax peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 6 | 7 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 7 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Oyonnax 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 Oyonnax is worst in April — around 15 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) | 13 | 12 | 15 | 15 | 13 | 15 | 11 | 11 | 11 | 10 | 10 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 12 | Moderate |
| Mar | 15 | Moderate |
| Apr | 15 | Moderate |
| May | 13 | Moderate |
| Jun | 15 | Moderate |
| Jul | 11 | Good |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 11 | Good |
Where is Oyonnax?
Oyonnax sits at 46.3°N, 5.7°E, 556 m above sea level, in France. The nearest listed city is Meyrin, 33 km away.
Topography around Oyonnax
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oyonnax.
Within 3 km, the terrain around Oyonnax has significant variations in elevation — a maximum elevation change of 587 m around an average of 648 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,257 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,448 m.
The land around Oyonnax is covered by trees (65%) and artificial surfaces (25%) within 3 km, trees (76%) within 16 km, and trees (49%) and grassland (27%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- 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 Oyonnax (46.2592°, 5.6573°, elevation 556 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.