The best time to visit Thailand is from
November to February when the northeast monsoon is
blowing cool, dry air which serves as a respite from the heat.
During this cool season, the temperature ranges from 18ºC
to 32ºC in Bangkok, while in northern and northeast Thailand,
temperatures can get quite cool with morning temperatures as
low as 8º C to 12º C with the occasional 20º C day. Nights can
be particularly chilly and at high altitudes the temperatures can
and do drop below freezing.The best time to visit Thailand is from
November to February when the northeast monsoon is
blowing cool, dry air which serves as a respite from the heat.
During this cool season, the temperature ranges from 18ºC
to 32ºC in Bangkok, while in northern and northeast Thailand,
temperatures can get quite cool with morning temperatures as
low as 8º C to 12º C with the occasional 20º C day. Nights can
be particularly chilly and at high altitudes the temperatures can
and do drop below freezing.

The summer period, or hot and dry season, is from March to June.
At this time temperatures in Bangkok average around 34º C, but
can often reach 40º C with the humidity levels of 75%.

From July to October is the monsoonal season when most of
Thailand's annual rainfall is accumulated. The humidity averages
just under 90%, with temperatures averaging around 29º C in Bangkok.