UTC Offset
UTC+02:00
Onex, Switzerland Snapshot 2026
Where is Onex?
Onex, Switzerland
- Continent
- Europe
- Country
- Switzerland
- City
- Onex
- Population
- 17.3K
- Coordinates
- 46.18°, 6.10°
Onex is a city in Switzerland with a population of approximately 17.3K. Average temperatures range from -1°C (31°F) in January to 25°C (78°F) in August. The best time to visit is June, July, August, September.
Time in Onex right now
Open full time & time zone page 18:20 20
Tuesday, June 16, 2026
IANA time zone
Europe/Zurich
Daylight saving
DST in effect
CET / CEST
Next DST change
October 25
backward -1h
Live weather in Onex
Daylight in Onex today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 46m
Climate normals for Onex
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Fair June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -1°C | 2°C / -4°C | 14days (157 mm) Wet | 5.2h Fair | 81% Humid | 1.6 Low | Poor | View Details |
| February | 9°C / 1°C | 6°C / -2°C | 11days (99 mm) Wet | 6.7h Fair | 78% Humid | 2.4 Moderate | Poor | View Details |
| March | 12°C / 2°C | 9°C / -1°C | 13days (125 mm) Wet | 8.4h Good | 75% Muggy | 3.9 Moderate | Poor | View Details |
| April | 15°C / 6°C | 14°C / 3°C | 12days (105 mm) Wet | 10.2h Excellent | 70% Muggy | 5.4 High | Fair | View Details |
| May | 18°C / 9°C | 18°C / 8°C | 16days (159 mm) Wet | 10.5h Excellent | 75% Muggy | 5.8 High | Fair | View Details |
| June best | 23°C / 15°C | 25°C / 15°C | 16days (148 mm) Wet | 11.9h Excellent | 74% Muggy | 6.8 High | Excellent | View Details |
| July best | 25°C / 16°C | 27°C / 17°C | 13days (120 mm) Wet | 12.3h Excellent | 70% Muggy | 6.8 High | Excellent | View Details |
| August best | 25°C / 16°C | 27°C / 17°C | 12days (103 mm) Wet | 11.4h Excellent | 70% Muggy | 6.1 High | Excellent | View Details |
| September best | 21°C / 12°C | 21°C / 12°C | 12days (128 mm) Wet | 9.3h Good | 77% Humid | 4.5 Moderate | Excellent | View Details |
| October | 17°C / 8°C | 16°C / 6°C | 12days (141 mm) Wet | 7.4h Good | 81% Humid | 3 Moderate | Fair | View Details |
| November | 10°C / 3°C | 8°C / 0°C | 14days (147 mm) Wet | 5.6h Fair | 84% Humid | 1.8 Low | Poor | View Details |
| December | 7°C / 0°C | 4°C / -3°C | 14days (168 mm) Wet | 4.8h Fair | 84% Humid | 1.4 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 5°C / -1°C . Feb: 9°C / 1°C . Mar: 12°C / 2°C . Apr: 15°C / 6°C . May: 18°C / 9°C . Jun: 23°C / 15°C . Jul: 25°C / 16°C . Aug: 25°C / 16°C . Sep: 21°C / 12°C . Oct: 17°C / 8°C . Nov: 10°C / 3°C . Dec: 7°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 157 mm. Feb: 99 mm. Mar: 125 mm. Apr: 105 mm. May: 159 mm. Jun: 148 mm. Jul: 120 mm. Aug: 103 mm. Sep: 128 mm. Oct: 141 mm. Nov: 147 mm. Dec: 168 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 81%. Feb: 78%. Mar: 75%. Apr: 70%. May: 75%. Jun: 74%. Jul: 70%. Aug: 70%. Sep: 77%. Oct: 81%. Nov: 84%. Dec: 84%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 12 km/h . Mar: 12 km/h . Apr: 12 km/h . May: 12 km/h . Jun: 11 km/h . Jul: 11 km/h . Aug: 10 km/h . Sep: 10 km/h . Oct: 10 km/h . Nov: 10 km/h . Dec: 10 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Frequently Asked Questions
Onex has a population of approximately 17.3K.
The best months to visit Onex are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Onex receives approximately 1600mm of rainfall annually across 159 rainy days.
Onex is located in Switzerland, in the Europe region.