The best times to visit Si Racha for ideal weather are
November 19th 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.
Si Racha Travel Guide
Other Si Racha Travel Info
Weather in Si Racha
Average temperatures in Si Racha vary very 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 16th 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 Si Racha, the hottest months are May, April, and then June. See average monthly temperatures below. The warmest time of year is generally early May where highs are regularly around 93.1°F (33.9°C) with temperatures rarely dropping below 81°F (27.2°C) at night.
Si Racha Temperatures (Fahrenheit)
Si Racha 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.
Si Racha Perceived Temperature (F)
Si Racha Perceived Temperature (C)
Average Si Racha 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 Si Racha are January, December, 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 Si Racha? 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 Si Racha.
Snow on the Ground
The graph below shows the average snow on the ground in Si Racha (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
Si Racha has some very humid months, with other comfortably humid months. The least humid month is January (53.8% relative humidity), and the most humid month is October (73.7%).
Wind in Si Racha is usually moderate. The windiest month is June, followed by July and August. June’s average wind speed of around 9.5 knots (10.9 MPH or 17.6 KPH) is considered “a gentle breeze.” 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 15.2 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Si Racha.
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|
|Jan||5.8||Light breeze||9.6||Gentle breeze|
|Feb||7.2||Gentle breeze||11.8||Significant breeze|
|Mar||8.3||Gentle breeze||13||Gentle breeze|
|Apr||6.9||Light breeze||11.8||Significant breeze|
|May||7.7||Gentle breeze||12.4||Gentle breeze|
|Jun||9.5||Gentle breeze||13.8||Significant breeze|
|Jul||9.5||Gentle breeze||13.7||Gentle breeze|
|Aug||8.4||Gentle breeze||12.7||Significant breeze|
|Sep||6.5||Light breeze||10.7||Gentle breeze|
|Oct||4.3||Light breeze||8.4||Gentle breeze|
|Nov||4.7||Light breeze||8.4||Gentle breeze|
|Dec||5.9||Light breeze||9.7||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Si Racha?
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 Si Racha, Thailand is December, followed by May 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 Si Racha in September. 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 Si Racha Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very warm. Highs range from 93.1°F (33.9°C) and 88.4°F (31.3°C) with warmer temperatures in the later months. Rain is rare with 2 to 5 days of significant precipitation per month. Spring is fairly slow 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 7 to 10 days of precipitation per month. June – August is the second busiest season for tourism in Si Racha, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 91.8°F (33.2°C) and 87.3°F (30.7°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 4 to 12 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is perfect this time of year in Si Racha to be enjoyable for warm weather travelers. The average high during this season is between 91°F (32.8°C) and 87.6°F (30.9°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.