what's the weather like in early Jan? We will be there for New Years.
Usually it’s great. Normal high mid 70’s F, normal low, low 60’s F.
Every 3rd or 4th year you can get a cool snap that may lower temps 10 or more degs F below normal.
Chances of rain are low.
Historical weather data can also be found by using search tool like google.
The rainy season is from May to October, January should be in the 70's or 80's but a cold front is not unknown to travel south for a few days. Cold means 50's or 60's during the night.