weather and climate in paradise city ...
Like any tropical country, Thailand is ruled by seasons, although they can vary quite markedly from the north to the south.
Hua Hin is fortunate, in as much as it is fairly centrally located and on a narrow peninsula that extends down to Malaysia. As a result, Hua Hin has three distinctive seasons - as opposed to four that most western countries experience. Thais will refer to these as "cool, dry", "hot" and "rainy". However many a westerner will experience them as "hot", "even hotter" and "hot,rainy"! Having said that, Hua Hin gets one of the lowest rainfall measurements in the country despite what the photo above shows!
Roughly speaking the "cool,dry" season is from November-February. At this time of year, nights can get cool and the average temperature is 26 degrees centigrade. There is plenty of sunshine, although it is not as strong as later in the year. Tides are high and it can get windy in the afternoons, although rain is very seldom experienced.
The "hot" season extends from March-June. Temperatures can easily reach an average of 29 degrees centigrade, with daytime heat rising to 35 degrees+. Nights are also hot and humidity rises. Tides are not so high, but it can again get windy in the afternoons. Towards the end of this season, it is not unusual to get some showers, but only in the afternoons and lasting generally not longer than an hour or so.
The "rainy" season lasts from July-October. However, Hua Hin does not suffer from the monsoon downpours that the north and south get. You can expect temperatures to be at an average of 28 degrees centigrade with the evenings slightly cooler than in the hot season. Mornings can be overcast, but most days brighten up and become hot and humid. Any rain is normally reserved for mid afternoons as cloud cover builds up over the hills in Burma (Myanmar) and when showers occur, they don't last long and are a refreshing respite to the balmy days. Tides are low and the sea is generally calm.
Flooding has been known in downtown areas after heavy downpours however runoff is usually fairly quick as backed up rain water makes its way to the ocean.