The best times to visit Thailand for ideal weather are

December 3rd to March 25th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

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Weather in Thailand

Temperature

Average temperatures in Thailand vary little. Considering humidity, temperatures feel hot all year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 12th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Thailand, the hottest months are April, May, and then June. See average monthly temperatures below. The warmest time of year is generally mid April where highs are regularly around 96.7°F (35.9°C) with temperatures rarely dropping below 77°F (25°C) at night.

Thailand Temperatures (Fahrenheit)

Key
High
Average
Low

Thailand Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Thailand Perceived Temperature (F)

Key
High
Average
Low

Thailand Perceived Temperature (C)

Key
High
Average
Low

 

Average Thailand Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 86.9 76.1 66.2
Feb 91.2 80 69.7
Mar 93.5 82.7 73
Apr 95.4 85 75.9
May 93.8 84.4 77
Jun 92 83.6 76.9
Jul 90.4 82.5 76.2
Aug 90.1 82.1 75.9
Sep 89.8 81.7 75.6
Oct 89.2 80.9 74.2
Nov 88.7 79.5 71.7
Dec 86.8 76.8 67.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 30.5 24.5 19
Feb 32.9 26.7 20.9
Mar 34.2 28.2 22.8
Apr 35.2 29.4 24.4
May 34.3 29.1 25
Jun 33.3 28.7 24.9
Jul 32.4 28.1 24.6
Aug 32.3 27.8 24.4
Sep 32.1 27.6 24.2
Oct 31.8 27.2 23.4
Nov 31.5 26.4 22.1
Dec 30.4 24.9 19.9


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Thailand are February, January, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early February. For example, on the week of February 5th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid September with an average of 3 days of significant precipitation the week of September 10th.

When can you find snow in Thailand? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Thailand.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Thailand (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 6% 0 1.3
Feb 5% 0 0.7
Mar 10% 0 2.3
Apr 18% 0 3.6
May 31% 0 6.7
Jun 33% 0 6.6
Jul 37% 0 7.9
Aug 38% 0 8.6
Sep 42% 0 9.9
Oct 31% 0 7
Nov 16% 0 4
Dec 8% 0 2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 6 0 3.3
Feb 5 0 1.8
Mar 10 0 5.8
Apr 18 0 9.1
May 31 0 17
Jun 33 0 16.8
Jul 37 0 20.1
Aug 38 0 21.8
Sep 42 0 25.1
Oct 31 0 17.8
Nov 16 0 10.2
Dec 8 0 5.1

 

Humidity and Wind

Thailand has some very humid months, and above average humidity throughout the year. The least humid month is March (60.1% relative humidity), and the most humid month is September (77.1%).

Wind in Thailand is usually extremely calm. The windiest month is June, followed by July and March. June’s average wind speed of around 2.6 knots (3 MPH or 4.8 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid June where average top sustained speeds reach 7.1 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Thailand.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 2.5 Barely noticeable 6.3 Light breeze
Feb 2.4 Barely noticeable 6.3 Light breeze
Mar 2.6 Barely noticeable 6.7 Light breeze
Apr 2.4 Barely noticeable 6.6 Light breeze
May 2.3 Barely noticeable 6.6 Light breeze
Jun 2.6 Barely noticeable 6.9 Light breeze
Jul 2.6 Barely noticeable 6.8 Light breeze
Aug 2.4 Barely noticeable 6.6 Light breeze
Sep 2.1 Barely noticeable 6.1 Light breeze
Oct 1.9 Barely noticeable 5.8 Light breeze
Nov 2.3 Barely noticeable 6.2 Light breeze
Dec 2.5 Barely noticeable 6.3 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 61.7%
Feb 60.4%
Mar 60.1%
Apr 62.6%
May 69.4%
Jun 71.8%
Jul 73.9%
Aug 75.4%
Sep 77.1%
Oct 75.4%
Nov 69.3%
Dec 64.8%

 

Is it Safe to Travel to Thailand?

Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Nov 23, 2018 there are travel warnings and regional advisories for Thailand; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories


 

The Busiest and Least Crowded Months

The busiest month for tourism in Thailand is January, followed by July and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Thailand in April. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 74.4 in April means 74.4% of the tourists vs. January.



Overall Thailand Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 96.7°F (35.9°C) and 93.2°F (34°C) with similar temperatures in the later months. Rain is somewhat common with 3 to 10 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 10 to 12 days of precipitation per month. June – August is the second busiest season for tourism in Thailand, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 90.2°F (32.3°C) and 88.1°F (31.2°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 5 to 13 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is perfect this time of year in Thailand to be enjoyable for warm weather travelers. The average high during this season is between 93.4°F (34.1°C) and 85.6°F (29.8°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are the busiest with tourists.

 

Best Times to Travel › Thailand

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