North Thailand

Jan Dry

Feb Dry

Mar Transition

Apr Transition

May Wet

Jun Wet

Jul Peak wet

Aug Peak wet

Sep Peak wet

Oct Wet

Nov Transition

Dec Dry

Monthly detail

Month	Median rainfall	Rainy days	Season	Confidence
Jan	13.49 mm	1.86	Dry	0.990
Feb	8.52 mm	1.45	Dry	0.990
Mar	30.01 mm	3.54	Transition	0.990
Apr	72.30 mm	7.29	Transition	0.990
May	180.20 mm	15.01	Wet	0.990
Jun	146.52 mm	17.03	Wet	0.990
Jul	188.13 mm	19.90	Peak wet	0.990
Aug	224.75 mm	20.82	Peak wet	0.990
Sep	241.34 mm	18.48	Peak wet	0.990
Oct	123.26 mm	11.85	Wet	0.990
Nov	29.52 mm	3.77	Transition	0.990
Dec	8.08 mm	1.43	Dry	0.990

Thai Meteorological Department, Monthly Rainfall (https://data.tmd.go.th/dataset/index.php). No license stated by the publisher; published openly, no access restriction. Baseline 2001–2025, method v1. Regional classification and derived indicators are our own calculations.