- January 14, 2016
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Thailand has abundant rainfall. The wet season is from May to October, when the country is affected by the southwest monsoon bringing warm humid air and much cloud from the Indian Ocean. Temperatures and humidity are high during the wet season, making conditions rather oppressive. Even so, severe heat stress is rare.
The dry season lasts from November to April during the north east monsoon, when wind blow overland from china or Indochina and the air is much drier. Through this period, rain only occurs a few days each month in the north. As such, weather conditions are fresher and usually windier during the dry season. However in the Kra Isthmus, the northeast monsoon winds bring more rain as they have blown from the Pacific Ocean and the Gulf of Siam.
For most of the country, the hottest months are April and May , just before the onset of the southwest monsoon. Sunshine hours for the wet months from June to September average four to five hours a day, and nine to ten hours for the rest of the year.
On the image bellow You can see the average sunshine hours per each month in
Above we can see that August and September have lowest average sunshine hours a month, around 150 hrs, which means only about 5 hours of sunshine per day in those
two months. But a lot of rain (rainy season) falls in the months: May, June, July, August, September and October.
In Nakhon, situation is like this:
In hiang Mai:
I gave You example for 3 cities, but situation in most of the Thai cities is like that. Rainy season falls in the months: May, June, July, August, September and October. So half of the ear is fulfilled with rain.
So Thailand has a big potential market for solar led street light
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