This content was generated using artificial intelligence based on publicly available information. It is provided for general informational purposes only and does not constitute legal, tax, immigration, or professional advice. Information may be incomplete or outdated. Always verify with official sources before making decisions.
Data Source: Safety, crime, and quality metrics are sourced from Numbeo, a crowd-sourced global database of reported data.
All scores are relative comparisons on a 0-100 scale, where 50 = global average. Higher scores mean better than average, lower scores mean worse than average.
Les Ulis offers a pragmatic, family-oriented alternative to the frantic pace of central Paris, making it a strategic choice for professionals seeking stability. With a significant international community making up nearly 20% of the population, you’ll find a familiar social fabric and a lifestyle centered around ease of living rather than tourist spectacle. The area provides reliable access to quality healthcare and functional public transport, which simplifies the daily logistics of relocation.
However, the trade-off for this practical convenience is a more suburban, residential atmosphere. While you benefit from a respectable safety profile and a smoother transition for families, you may find the local environment lacks the high-octane cultural energy found in the city center. It is a place for those prioritizing functional comfort over urban intensity.
Les Ulis has an oceanic climate (Köppen Cfb), with mild to warm summers, cool winters, and rainfall spread across the year. Long-term climate data for the commune shows about 673 mm of annual precipitation, with relatively low winter temperatures for the Paris basin and no true dry season.
Summer Average
22°C
Winter Average
5°C
Climate Type
Oceanic
Rainy Days
120
Sunny Days
170
Humidity
72%
Spring
March - May
9-17°C
Spring is cool to mild, with changeable weather and regular showers. Temperatures rise steadily through May, while conditions can still feel fresh in the mornings and evenings.
Moderate rainfall
Summer
June - August
18-25°C
Summer is generally warm but not hot, with comfortable daytime temperatures and occasional cloudy or rainy periods. Heat waves can occur, but most days are moderate compared with inland continental climates.
Moderate rainfall
Autumn
September - November
10-18°C
Autumn is cool and often overcast, with gradually falling temperatures and increasing dampness. Rain is fairly frequent, and November is typically one of the wetter and colder months.
Moderate rainfall
Winter
December - February
2-8°C
Winter is cool to cold, with frequent cloud cover and occasional frost. Snow is possible but usually limited, and the season remains relatively moist rather than severely dry.
Moderate rainfall
Loading Weather...
Air Quality
Les Ulis
Advantages
Les Ulis
Abundant parks and green spaces
Strong school network nearby
Rich cultural attractions available
Suburban peace with Paris access
Family-friendly community environment
Disadvantages
Les Ulis
Limited nightlife options
No universities nearby
Suburban car dependency
Few coworking spaces
Safety & Security in Les Ulis
Overall Safety Score
Includes resilience and environmental factors
Moderate
53
/100
France Avg
55
Europe Avg
58
Worldwide Avg
56
Crime & Safety Metrics
Thermometer compares Les Ulis to France averages using different marker styles.Compare:
Les Ulis
France Average
No city-specific data available — showing France country averages instead.
Safety Index
0510
Low
Safety from Crime
0510
Concerning
Safe Alone (Day)
0510
Moderate
Safe Alone (Night)
0510
Low
Safety from Violent Crime
0510
Concerning
Safety from Property Crime
0510
Concerning
Environmental & Natural Hazard Risks
Resilience Score: 79/100
No data for Les Ulis — showing hazard indicators from nearby Antony (~13 km).
