Answer:
WET SEASONS ACTIVITIES
-waves like surfing, windsurfing, kitesurfing, kayak surfing, etc. can be done during the rainy monsoon or the 'habagat' season. So don't let the overcast skies keep you down. Just be cautious when trying out this extreme sport especially if you are not yet an expert.
DRY SEASONS ACTIVITIES
Of course, the idea of FUN is relative, but here are some of my top recommendations.
Mountain biking.
Hiking / mountaineering.
Off-roading.
Caving / Spelunking.
Surfing.
Stand-up Paddleboarding.
Waterfalls Canyoneering.
Whitewater rafting / tubing / kayaking.