The best times to visit Sai Yok for ideal weather are
November 26th to March 18th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Sai Yok Travel Guide
Other Sai Yok Travel Info
Weather in Sai Yok
Average temperatures in Sai Yok 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 14th 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 Sai Yok, the hottest months are April, May, and then March. See average monthly temperatures below. The warmest time of year is generally mid April where highs are regularly around 101.3°F (38.5°C) with temperatures rarely dropping below 77.9°F (25.5°C) at night.
Sai Yok Temperatures (Fahrenheit)
Sai Yok Temperatures (Celsius)
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.
Sai Yok Perceived Temperature (F)
Sai Yok Perceived Temperature (C)
Average Sai Yok 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sai Yok are December, January, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early October with an average of 4 days of significant precipitation the week of October 1st.
When can you find snow in Sai Yok? 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.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Sai Yok.
Snow on the Ground
The graph below shows the average snow on the ground in Sai Yok (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Sai Yok has some very humid months, with other comfortably humid months. The least humid month is January (54.1% relative humidity), and the most humid month is October (74%).
Wind in Sai Yok is usually extremely calm. The windiest month is August, followed by July and April. August’s average wind speed of around 1.5 knots (1.7 MPH or 2.8 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 to late August where average top sustained speeds reach 5.4 knots, which is considered a light breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Sai Yok.
The graph below shows wind speed (max and average) in knots.
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|
|Feb||1||Barely noticeable||4.3||Light breeze|
|Mar||1.3||Barely noticeable||4.8||Light breeze|
|Apr||1.3||Barely noticeable||4.8||Light breeze|
|May||1.3||Barely noticeable||5||Light breeze|
|Jun||1.2||Barely noticeable||4.8||Light breeze|
|Jul||1.4||Barely noticeable||4.9||Light breeze|
|Aug||1.5||Barely noticeable||5.2||Light breeze|
|Sep||1.3||Barely noticeable||4.7||Light breeze|
|Nov||1.2||Barely noticeable||4.7||Light breeze|
|Dec||1.1||Barely noticeable||4.6||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Sai Yok?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 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. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Sai Yok, Thailand is July, followed by June and January. 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 Sai Yok 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
Overall Sai Yok Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very warm. Highs range from 101.3°F (38.5°C) and 96.4°F (35.8°C) with similar temperatures in the later months. Rain is somewhat common with 3 to 8 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 moderate precipitation with 8 to 9 days of precipitation per month. June – August is the busiest season for tourism in Sai Yok, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 93.3°F (34.1°C) and 89.4°F (31.9°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 12 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is perfect this time of year in Sai Yok to be enjoyable for warm weather travelers. The average high during this season is between 97.5°F (36.4°C) and 88.4°F (31.3°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are fairly slow with tourists.