CERN Organisation européenne pour la recherche nucléaire

CERN is an international organization and nuclear research institute located in France, with administrative areas including Villarodin Bourget and Meyrin. Established in 1954, it ranks as one of the most looked-up sights in France on English Wikipedia.
Planning a visit
The site experiences daily highs and lows throughout the year. Temperatures range from a high of 24 °C in July and August with 88 mm and 92 mm of rain, down to a high of 5 °C and a low of -2 °C in January with 90 mm of rain. October sees the highest rain at 120 mm.
The nearest airport is Geneva International Airport, located 5 km away. The capital Paris is 402 km away. Nearby sights to combine with a visit include the Palace of Nations at 7.1 km, the United Nations Office at Geneva at 7.1 km, St. Pierre Cathedral at 8.5 km, Jet d'Eau at 8.8 km, and Villa Diodati at 10.4 km.
Weather by month
The warmest month is July, with an average high of 24 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 5 | 7 | 11 | 14 | 18 | 22 | 24 | 24 | 20 | 16 | 9 | 6 |
| Average low, °C | -2 | -1 | 2 | 4 | 9 | 12 | 15 | 15 | 11 | 7 | 2 | -1 |
| Rainfall, mm | 90 | 75 | 88 | 84 | 102 | 92 | 88 | 92 | 104 | 120 | 102 | 114 |
| Rainy days | 13 | 10 | 12 | 11 | 17 | 17 | 12 | 11 | 11 | 12 | 13 | 14 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.