Will weather be a problem- july to aug?

[South East Asia]

Hi i am planning a trip beinning 28th june to 5 th september.

30/06/10 - 13/07/10 Travelling up through laos, vang vieng, luang prang, phonsavan, vieng xai to vietnam

14/07/10-01/08/10 - hanoi, halong bay, hue, hoi an, nha trang, to saigon, phu quoc island~( was hoping for some sun on this island- 29th july )

02/08/10 - 13/08/10 - cambodia = sikhanoukville, koh rong island (sun??) phnom penh, siem reap,

Back to bangkok & fly to kuala lumpur for 3 days
then off to bali & gili islands for 2 1/2 weeks.

Will there be sun before indonesia?? any obvious problems in this itinerary. if the weather is going to effect certain parts any suggestions. ??

[critinamori]

Well... Sydney boasts very warm and slightly humid days in summer, which are tempered by frequent afternoon sea-breezes.During the winter months, some mornings will be quite cool and frosty in areas away from the coast, but the abundant sunshine ensures comfortable daytime temperatures.