Ready-made plans

Custom planning is temporarily unavailable for this route. Ready-made plans are still available.

Best Time for Lille to Calais via the Opal Coast

Last updated: 2026-09-23

Preferred months for this journey: May, June, July, August, September. Check the seasonal notes before choosing your dates.

Longer daylight suits all five public circuits. Check live traffic, coastal wind, rain, parking and any event closures.
The public route remains possible with shorter daylight, stronger coastal weather and reduced venue hours. Keep exposed coastal walks and timed interiors separate and check live conditions.

Month	Low	High	Rain	Daylight
January	1.3°C	6.1°C	66 mm	8.2 h	❄
February	1.0°C	6.9°C	57 mm	9.7 h	❄
March	2.4°C	9.9°C	54 mm	11.5 h
April	4.8°C	13.8°C	41 mm	13.6 h
May	8.2°C	17.0°C	59 mm	15.3 h
June	11.2°C	20.0°C	58 mm	16.2 h
July	13.3°C	21.8°C	65 mm	15.8 h
August	13.3°C	21.6°C	72 mm	14.3 h
September	10.8°C	19.1°C	54 mm	12.4 h
October	8.1°C	15.1°C	73 mm	10.4 h
November	4.9°C	10.2°C	80 mm	8.7 h
December	2.1°C	6.8°C	81 mm	7.8 h	❄