I just went to accuweather and they show "abundant sunshine" for the next 10 days, no rain, no clouds. I think you're fine! I went in December and it showed rain everyday on the forecasts but was absolutely perfect on AC.
The sun always shines bright in Belize. If you are going to AC, do not fear, the weather will be perfect. Maybe some showers, but mostly perfect. Have fun.
The only accurate way to forecast the weather in San Pedro is to stand outside in it, and even then it can fool you. Because of distance, currents, weather patterns, etc. the weather forecast for BZ city is hopelessly inappropriate for the island. Go enjoy---when it's sunny it's sunny---when it's not it's not, you'll have a great time in either case.
I'm crossing my fingers that this miserable weather will not cause any airport delays tomorrow morning-- esecially since I hear that getting from BZE City to AC later in the evening can be difficult. Now I'm just being paranoid-- I'm sure it will be fine and the sun will shine brightly.
Good luck with your travels from lovely VF, Pa-- I will see you in AC!
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