The best times to visit Nan for ideal weather are
November 12th to February 11th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Nan Travel Guide
Other Nan Travel Info
Weather in Nan
Temperature
Average temperatures in Nan 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 21st 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 Nan, 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 100.2°F (37.9°C) with temperatures rarely dropping below 73.7°F (23.2°C) at night.
Nan Temperatures (Fahrenheit)
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Nan Temperatures (Celsius)
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“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.
Nan Perceived Temperature (F)
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Nan Perceived Temperature (C)
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Average Nan 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 | 87.3 | 72.7 | 57.6 |
| Feb | 93.2 | 77.7 | 61.5 |
| Mar | 96.7 | 82.1 | 66.4 |
| Apr | 98.7 | 85.9 | 72.4 |
| May | 95.9 | 85.3 | 74.7 |
| Jun | 93.7 | 84.8 | 75.4 |
| Jul | 91.3 | 83.1 | 75.1 |
| Aug | 90.6 | 82.2 | 74.7 |
| Sep | 91.6 | 82.2 | 74.7 |
| Oct | 91 | 81 | 72.2 |
| Nov | 90 | 77.9 | 66.5 |
| Dec | 86.4 | 73.3 | 60.2 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 30.7 | 22.6 | 14.2 |
| Feb | 34 | 25.4 | 16.4 |
| Mar | 35.9 | 27.8 | 19.1 |
| Apr | 37.1 | 29.9 | 22.4 |
| May | 35.5 | 29.6 | 23.7 |
| Jun | 34.3 | 29.3 | 24.1 |
| Jul | 32.9 | 28.4 | 23.9 |
| Aug | 32.6 | 27.9 | 23.7 |
| Sep | 33.1 | 27.9 | 23.7 |
| Oct | 32.8 | 27.2 | 22.3 |
| Nov | 32.2 | 25.5 | 19.2 |
| Dec | 30.2 | 22.9 | 15.7 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Nan 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 mid January. For example, on the week of January 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid August with an average of 4 days of significant precipitation the week of August 6th.
When can you find snow in Nan? 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 Nan.
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Snow on the Ground
The graph below shows the average snow on the ground in Nan (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 3% | 0 | 0.6 |
| Feb | 2% | 0 | 0.4 |
| Mar | 10% | 0 | 1.6 |
| Apr | 24% | 0 | 4.9 |
| May | 35% | 0 | 7.7 |
| Jun | 32% | 0 | 5.6 |
| Jul | 43% | 0 | 8.2 |
| Aug | 45% | 0 | 11.2 |
| Sep | 40% | 0 | 9.3 |
| Oct | 20% | 0 | 3.4 |
| Nov | 5% | 0 | 0.9 |
| Dec | 3% | 0 | 0.7 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 3 | 0 | 1.5 |
| Feb | 2 | 0 | 1 |
| Mar | 10 | 0 | 4.1 |
| Apr | 24 | 0 | 12.4 |
| May | 35 | 0 | 19.6 |
| Jun | 32 | 0 | 14.2 |
| Jul | 43 | 0 | 20.8 |
| Aug | 45 | 0 | 28.4 |
| Sep | 40 | 0 | 23.6 |
| Oct | 20 | 0 | 8.6 |
| Nov | 5 | 0 | 2.3 |
| Dec | 3 | 0 | 1.8 |
Humidity and Wind
Nan has some very humid months, with other moderately humid months on the other side of the year. The least humid month is March (48.9% relative humidity), and the most humid month is September (76.4%).
Wind in Nan is usually extremely calm. The windiest month is July, followed by June and May. July’s average wind speed of around 1.7 knots (1.9 MPH or 3.1 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 late April where average top sustained speeds reach 7.5 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Nan.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 1.1 | Barely noticeable | 4.7 | Light breeze |
| Feb | 1.4 | Barely noticeable | 5.6 | Light breeze |
| Mar | 1.3 | Barely noticeable | 5.9 | Light breeze |
| Apr | 1.5 | Barely noticeable | 6.5 | Light breeze |
| May | 1.5 | Barely noticeable | 6.6 | Light breeze |
| Jun | 1.6 | Barely noticeable | 6.9 | Light breeze |
| Jul | 1.7 | Barely noticeable | 6.7 | Light breeze |
| Aug | 1.4 | Barely noticeable | 5.7 | Light breeze |
| Sep | 1 | Barely noticeable | 4.9 | Light breeze |
| Oct | 0.9 | Still | 4.4 | Light breeze |
| Nov | 0.9 | Still | 4.4 | Light breeze |
| Dec | 1 | Barely noticeable | 4.3 | Light breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 57.7% |
| Feb | 51.4% |
| Mar | 48.9% |
| Apr | 53.6% |
| May | 63.6% |
| Jun | 66.7% |
| Jul | 71.8% |
| Aug | 75.6% |
| Sep | 76.4% |
| Oct | 72.3% |
| Nov | 64.5% |
| Dec | 62.1% |
Is it Safe to Travel to Nan?
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 Nan, Thailand is February, followed by November and July. 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 Nan in March. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Nan Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very warm. Highs range from 100.2°F (37.9°C) and 95.5°F (35.3°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 11 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 14 days of precipitation per month. June – August is the second busiest season for tourism in Nan, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 92.1°F (33.4°C) and 88°F (31.1°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 1 to 12 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 Nan to be enjoyable for warm weather travelers. The average high during this season is between 96.4°F (35.8°C) and 85°F (29.4°C). On average, it rains or snows a smalll amount: consistently 1 times per month. These times of year are the busiest with tourists.
Best Times to Travel› Thailand › Nan, Thailand