Weather in Thailand, and in Bangkok in particular, is always hot. It may be wet and hot or dry and hot. It may be less hot or more hot, but you can always count on it being hot. Even when the thermometer doesn’t show the temperature to be particularly high, the humidity plays an essential role in how hot it feels.

          The hot season runs from March through May, with April being the hottest month. Higher temperatures combined with high humidity and little rain makes this a challenging time of the year for travel. Rivers, waterfalls and lakes are very low at this time of year, so if you are after rafting or visiting waterfalls, this may not be the time of year for it.

          The rainy season begins in June and runs through October, with the most rain in September. Temperatures are slightly lower and the rains clear the air of humidity, if only temporarily. During most of the rainy season, rain comes in quick bursts and the skies clear quickly. Umbrellas and rain ponchos are readily available everywhere, and Thai buildings are usually designed with overhangs so you can still move about and stay under cover.

          The relatively cooler period from November through February brings lower humidity and slightly lower temperatures. It is also dryer than the rainy season, though you can still experience periods of rain. This is also the high season for travel to Thailand, so prices are correspondingly higher at this time of year.

          Most businesses and hotels have air conditioning, so it’s easy to beat the heat by staying inside. In fact, you might want to carry a small scarf or light wrap of some kind, because aircon in some places can be downright arctic. The SkyTrain, in particular, is the best place to go to beat the heat.

          A fan (easily obtained from souvenier stands everywhere) and a bandana or pocket handkerchief are indispensable for mopping wet faces.

          If you are outside, there is no shortage of refreshment stands selling cold juice, smoothies, water and beer. Keep hydrated and you’ll stay healthy.