The Louvre, Montmartre and café life in Paris, then the Eurostar to London in about two and a quarter hours for museums, markets, the West End and the Tower. Late spring and early autumn are best for both.
Month by month
Best: April, May, June, July, August, September, October
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Avoid Poor OK Good Excellent Peak
Weather and crowds
| Month | Avg high | Avg low | Wet days | Crowds |
|---|---|---|---|---|
| January | 7°C / 45°F | 2°C / 35°F | 13 | Quiet |
| February | 10°C / 50°F | 3°C / 37°F | 9 | Quiet |
| March | 13°C / 56°F | 4°C / 39°F | 13 | Moderate |
| April | 16°C / 60°F | 6°C / 42°F | 10 | Moderate |
| May | 20°C / 67°F | 10°C / 49°F | 13 | Moderate |
| June | 24°C / 76°F | 14°C / 57°F | 12 | Moderate |
| July | 25°C / 77°F | 15°C / 59°F | 11 | Busy |
| August | 25°C / 78°F | 15°C / 59°F | 10 | Busy |
| September | 22°C / 71°F | 12°C / 54°F | 12 | Moderate |
| October | 18°C / 64°F | 10°C / 49°F | 13 | Moderate |
| November | 11°C / 52°F | 5°C / 42°F | 12 | Quiet |
| December | 9°C / 48°F | 4°C / 38°F | 12 | Moderate |
Weather: averages of recent years from Open-Meteo historical data (CC BY 4.0). Crowds: estimated from the seasons and holiday periods, not measured.
How long to stay
5–9 days is the sweet spot.
Flight time
About 8h from the US East Coast, 1.5h from Europe, 8.5h from South Asia.
Good to know
- Book the Eurostar early; fares climb steeply in the final weeks.
- Eurostar asks Standard and Plus travellers to arrive 75–90 minutes early for security and passport checks; gates close 30 minutes before departure.
- Since February 2026, visa-free visitors, including US and EU citizens, need a UK ETA before travel; others need a visa.
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