The best times to visit Cai Lay for ideal weather are
December 17th to May 13th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Cai Lay Travel Guide
Other Cai Lay Travel Info
Weather in Cai Lay
Average temperatures in Cai Lay vary very little. Considering humidity, temperatures feel hot all year with a low chance of precipitation most of the year. The area is less temperate than some — in the 18th 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 Cai Lay, the hottest months are May, April, and then June. See average monthly temperatures below. The warmest time of year is generally mid May where highs are regularly around 95.3°F (35.2°C) with temperatures rarely dropping below 79.9°F (26.6°C) at night.
Cai Lay Temperatures (Fahrenheit)
Cai Lay 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.
Cai Lay Perceived Temperature (F)
Cai Lay Perceived Temperature (C)
Average Cai Lay 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 Cai Lay are February, March, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid June with an average of 5 days of significant precipitation the week of June 11th.
When can you find snow in Cai Lay? 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 Cai Lay.
Snow on the Ground
The graph below shows the average snow on the ground in Cai Lay (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
Cai Lay has some very humid months, and above average humidity throughout the year. The least humid month is March (63.5% relative humidity), and the most humid month is September (79.7%).
Wind in Cai Lay is usually extremely calm. The windiest month is March, followed by February and July. March’s average wind speed of around 4.6 knots (5.3 MPH or 8.5 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 mid March where average top sustained speeds reach 7.6 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Cai Lay.
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||3.4||Barely noticeable||5.1||Light breeze|
|Feb||4.1||Light breeze||6.3||Light breeze|
|Mar||4.6||Light breeze||7.2||Light breeze|
|Apr||3.7||Barely noticeable||6.1||Light breeze|
|May||2.9||Barely noticeable||5.5||Light breeze|
|Jun||3.2||Barely noticeable||6||Light breeze|
|Jul||3.9||Barely noticeable||6.5||Light breeze|
|Aug||3.6||Barely noticeable||6.2||Light breeze|
|Sep||3.5||Barely noticeable||6.2||Light breeze|
|Oct||2.8||Barely noticeable||5.2||Light breeze|
|Nov||2.9||Barely noticeable||5.1||Light breeze|
|Dec||2.9||Barely noticeable||4.6||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Cai Lay?
Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for Vietnam; exercise a high degree of caution. 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 Cai Lay, Vietnam is January, followed by July and May. 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 Cai Lay in August. 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 Cai Lay 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 90.5°F (32.5°C) with warmer temperatures in the later months. Rain is rare with 0 to 4 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
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 11 to 13 days of precipitation per month. June – August is fairly slow season for tourism in Cai Lay, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 91.2°F (32.9°C) and 88.8°F (31.6°C), which will feel very nice given the humidity and wind. It rains or snows a good amount: 7 to 15 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 Cai Lay to be enjoyable for warm weather travelers. The average high during this season is between 90.5°F (32.5°C) and 86.1°F (30.1°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are the busiest with tourists.