This will be our second trip (2017) to Alaska towing our 23ft travel trailer. Our first was in 2015 and we travelled starting in mid June. For a change we thought it would be nice have regular night...
I have been to Alaska (although not with an RV) the first week of September, high points can be noted as not seeing the sun for 6 days straight, and an early season winter storm with 75 mph winds along the coast.