The best times to visit Chiang Saen for ideal weather are

November 19th to February 18th

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



Other Chiang Saen Travel Info

Weather in Chiang Saen


Average temperatures in Chiang Saen vary somewhat. Considering humidity, temperatures feel hot for most of the year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 25th 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 Chiang Saen, the hottest months are May, April, and then June. See average monthly temperatures below. The warmest time of year is generally mid April where highs are regularly around 95.3°F (35.2°C) with temperatures rarely dropping below 70.9°F (21.6°C) at night.

Chiang Saen Temperatures (Fahrenheit)


Chiang Saen 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.

Chiang Saen Perceived Temperature (F)


Chiang Saen Perceived Temperature (C)



Average Chiang Saen 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 81.6 71.4 58.4
Feb 89.2 76.7 60.4
Mar 91.3 79.9 64.9
Apr 94 84 69.9
May 91.9 84.1 73.5
Jun 89.9 83.3 74.8
Jul 87.7 81.4 74.1
Aug 87.4 80.9 74
Sep 88.3 81.4 73.3
Oct 87.2 79.7 70.2
Nov 85.1 76.5 65.3
Dec 80.7 71.6 60.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 27.6 21.9 14.7
Feb 31.8 24.8 15.8
Mar 32.9 26.6 18.3
Apr 34.4 28.9 21.1
May 33.3 28.9 23.1
Jun 32.2 28.5 23.8
Jul 30.9 27.4 23.4
Aug 30.8 27.2 23.3
Sep 31.3 27.4 22.9
Oct 30.7 26.5 21.2
Nov 29.5 24.7 18.5
Dec 27.1 22 15.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Chiang Saen 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 late January. For example, on the week of January 22nd 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 5 days of significant precipitation the week of July 23rd.

When can you find snow in Chiang Saen? 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 Chiang Saen.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 2% 0 0.9
Feb 1% 0 0.1
Mar 9% 0 1.6
Apr 22% 0 4.9
May 27% 0 7.1
Jun 33% 0 5.9
Jul 56% 0 16.7
Aug 55% 0 14.4
Sep 42% 0 11.5
Oct 20% 0 3.3
Nov 11% 0 1.9
Dec 7% 0 1.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 2 0 2.3
Feb 1 0 0.3
Mar 9 0 4.1
Apr 22 0 12.4
May 27 0 18
Jun 33 0 15
Jul 56 0 42.4
Aug 55 0 36.6
Sep 42 0 29.2
Oct 20 0 8.4
Nov 11 0 4.8
Dec 7 0 4.1


Humidity and Wind

Chiang Saen has some very humid months, with other moderately humid months on the other side of the year. The least humid month is February (43.6% relative humidity), and the most humid month is August (76.7%).

Wind in Chiang Saen is usually extremely calm. The windiest month is March, followed by June and January. March’s average wind speed of around 4.4 knots (5 MPH or 8.1 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late March where average top sustained speeds reach 7.8 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 3.8 Barely noticeable 6.1 Light breeze
Feb 3.8 Barely noticeable 6.4 Light breeze
Mar 4.4 Light breeze 7.2 Light breeze
Apr 3.8 Barely noticeable 6.5 Light breeze
May 3.8 Barely noticeable 6.2 Light breeze
Jun 4.2 Light breeze 6.6 Light breeze
Jul 3.8 Barely noticeable 6.2 Light breeze
Aug 3.5 Barely noticeable 5.6 Light breeze
Sep 3.4 Barely noticeable 5.6 Light breeze
Oct 3.7 Barely noticeable 5.5 Light breeze
Nov 3.6 Barely noticeable 5.6 Light breeze
Dec 3.7 Barely noticeable 5.6 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 54.6%
Feb 43.6%
Mar 45.5%
Apr 50%
May 62.9%
Jun 68.4%
Jul 75.3%
Aug 76.7%
Sep 74.2%
Oct 68%
Nov 62.6%
Dec 61%


Is it Safe to Travel to Chiang Saen?

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 Chiang Saen, Thailand is January, followed by July and February. 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 Chiang Saen 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 65.5 in May means 65.5% of the tourists vs. January.



Overall Chiang Saen Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 95.3°F (35.2°C) and 89.6°F (32°C) with warmer 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 the most precipitation with 10 to 17 days of precipitation per month. June – August is fairly slow season for tourism in Chiang Saen, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 89°F (31.7°C) and 82.7°F (28.2°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 13 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 Chiang Saen to be enjoyable for warm weather travelers. The average high during this season is between 92.6°F (33.7°C) and 78.2°F (25.7°C). On average, it rains or snows a smalll amount: 0 to 2 times per month. These times of year are the busiest with tourists.


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