The best times to visit Sawi for ideal weather are

January 15th to March 4th

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



Other Sawi Travel Info

Weather in Sawi


Average temperatures in Sawi vary very little. Considering humidity, temperatures feel hot all year with a chance of rain throughout most of the year. The area is far less temperate than some — in the 6th 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 Sawi, 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 94.2°F (34.6°C) with temperatures rarely dropping below 75.3°F (24.1°C) at night.

Sawi Temperatures (Fahrenheit)


Sawi Temperatures (Celsius)


“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.

Sawi Perceived Temperature (F)


Sawi Perceived Temperature (C)



Average Sawi 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 86.7 77.5 70
Feb 89.3 79.3 70.9
Mar 91.2 81.2 72.8
Apr 93.2 82.6 74.9
May 92.6 82.4 75.9
Jun 90.7 82 76.1
Jul 89.4 81.1 75.4
Aug 90.6 81.6 75.4
Sep 89.2 80.8 75.1
Oct 88.7 80.2 74.4
Nov 87.2 79.3 73.7
Dec 86.5 78.2 71.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 30.4 25.3 21.1
Feb 31.8 26.3 21.6
Mar 32.9 27.3 22.7
Apr 34 28.1 23.8
May 33.7 28 24.4
Jun 32.6 27.8 24.5
Jul 31.9 27.3 24.1
Aug 32.6 27.6 24.1
Sep 31.8 27.1 23.9
Oct 31.5 26.8 23.6
Nov 30.7 26.3 23.2
Dec 30.3 25.7 22.1



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sawi are February, January, and then April. 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 late July with an average of 4 days of significant precipitation the week of July 23rd.

When can you find snow in Sawi? 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 Sawi.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 15% 0 3.4
Feb 7% 0 1
Mar 21% 0 5.6
Apr 19% 0 4.1
May 39% 0 6.9
Jun 39% 0 7.7
Jul 47% 0 7.6
Aug 33% 0 5
Sep 43% 0 8.5
Oct 37% 0 8.4
Nov 50% 0 20
Dec 20% 0 5.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 15 0 8.6
Feb 7 0 2.5
Mar 21 0 14.2
Apr 19 0 10.4
May 39 0 17.5
Jun 39 0 19.6
Jul 47 0 19.3
Aug 33 0 12.7
Sep 43 0 21.6
Oct 37 0 21.3
Nov 50 0 50.8
Dec 20 0 13.7


Humidity and Wind

Sawi has some very humid months, and high humidity throughout the year. The least humid month is April (71.6% relative humidity), and the most humid month is November (79.2%).

Wind in Sawi is usually extremely calm. The windiest month is December, followed by January and July. December’s average wind speed of around 1.7 knots (2 MPH or 3.2 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 December where average top sustained speeds reach 8.2 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 1.5 Barely noticeable 7.2 Gentle breeze
Feb 1.2 Barely noticeable 6.6 Light breeze
Mar 1.4 Barely noticeable 6.9 Gentle breeze
Apr 0.9 Still 6.4 Light breeze
May 0.9 Still 5.7 Gentle breeze
Jun 1.3 Barely noticeable 6.6 Light breeze
Jul 1.4 Barely noticeable 6.7 Gentle breeze
Aug 1.3 Barely noticeable 7.1 Gentle breeze
Sep 1.1 Barely noticeable 6.2 Gentle breeze
Oct 0.7 Still 5.3 Light breeze
Nov 1.2 Barely noticeable 6.7 Gentle breeze
Dec 1.7 Barely noticeable 7.3 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 75%
Feb 73.2%
Mar 71.8%
Apr 71.6%
May 74%
Jun 74.6%
Jul 75.5%
Aug 73.9%
Sep 75.6%
Oct 77.8%
Nov 79.2%
Dec 75.6%


Is it Safe to Travel to Sawi?

Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Dec 04, 2023 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 Nov 27, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Sawi, Thailand is January, followed by October 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 Sawi in May. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 64.5 in May means 64.5% of the tourists vs. January.



Overall Sawi Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 94.2°F (34.6°C) and 90.6°F (32.6°C) with similar temperatures in the later months. Rain is somewhat common with 6 to 12 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 10 to 14 days of precipitation per month. June – August is fairly slow season for tourism in Sawi, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 89.8°F (32.1°C) and 86.4°F (30.2°C), which will feel very nice given the humidity and wind. It rains or snows a great amount: 12 to 15 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 Sawi to be enjoyable for warm weather travelers. The average high during this season is between 90.6°F (32.6°C) and 85.8°F (29.9°C). On average, it rains or snows a fair amount: 2 to 6 times per month. These times of year are the busiest with tourists.


Best Times to TravelThailand › Sawi, Thailand