The best times to visit Colombo for ideal weather are

January 1st to March 11th

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


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Other Colombo Travel Info

Weather in Colombo

Temperature

Average temperatures in Colombo vary barely at all. 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 4th 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 Colombo, the hottest months are May, June, and then April. See average monthly temperatures below. The warmest time of year is generally early to mid May where highs are regularly around 89.6°F (32°C) with temperatures rarely dropping below 79.2°F (26.2°C) at night.

Colombo Temperatures (Fahrenheit)

Key
High
Average
Low

Colombo Temperatures (Celsius)

Key
High
Average
Low

“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.

Colombo Perceived Temperature (F)

Key
High
Average
Low

Colombo Perceived Temperature (C)

Key
High
Average
Low

 

Average Colombo 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

MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
Jan87.98073.8
Feb88.48174.8
Mar89.282.476.4
Apr89.182.777.1
May88.683.979.7
Jun87.282.879
Jul86.682.379
Aug86.782.178.6
Sep86.681.977.9
Oct86.981.376.7
Nov8780.475.2
Dec86.879.974.6

Show Celsius

MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
Jan31.126.723.2
Feb31.327.223.8
Mar31.82824.7
Apr31.728.225.1
May31.428.826.5
Jun30.728.226.1
Jul30.327.926.1
Aug30.427.825.9
Sep30.327.725.5
Oct30.527.424.8
Nov30.626.924
Dec30.426.623.7


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Colombo are January, February, and then March. 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 October to early November with an average of 5 days of significant precipitation the week of October 29th.

When can you find snow in Colombo? 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 Colombo.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
Jan13%03
Feb14%03.2
Mar24%07.7
Apr38%013.5
May35%010.6
Jun41%08.2
Jul24%03.8
Aug26%04.8
Sep45%09.8
Oct46%010.4
Nov45%013.9
Dec30%09.4

Show Centimeters

MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
Jan1307.6
Feb1408.1
Mar24019.6
Apr38034.3
May35026.9
Jun41020.8
Jul2409.7
Aug26012.2
Sep45024.9
Oct46026.4
Nov45035.3
Dec30023.9

 

Humidity and Wind

Colombo has some very humid months, and above average humidity throughout the year. The least humid month is January (68.9% relative humidity), and the most humid month is November (78.5%).

Wind in Colombo is usually extremely calm. The windiest month is May, followed by June and July. May’s average wind speed of around 3.5 knots (4 MPH or 6.4 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 May 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 Colombo.

Key
Avg. Relative Humidity

Wind

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

Key
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.

MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
Jan3.1Barely noticeable6.1Light breeze
Feb2.5Barely noticeable5.6Light breeze
Mar2.1Barely noticeable4.9Light breeze
Apr2.1Barely noticeable4.8Light breeze
May3.5Barely noticeable6.6Light breeze
Jun3.4Barely noticeable6.3Light breeze
Jul3.2Barely noticeable5.8Light breeze
Aug3.2Barely noticeable5.9Light breeze
Sep2.9Barely noticeable5.6Light breeze
Oct2.1Barely noticeable5Light breeze
Nov1.9Barely noticeable4.5Light breeze
Dec2.6Barely noticeable5.3Light breeze

Show Relative Humidity by Month

MonthAvg. Relative Humidity
Jan68.9%
Feb70.7%
Mar72.7%
Apr76.7%
May76.8%
Jun78.4%
Jul76.8%
Aug76.9%
Sep77.9%
Oct78.4%
Nov78.5%
Dec76%

 

Is it Safe to Travel to Colombo?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for Sri Lanka; 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 Sep 25, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Colombo, Sri Lanka is December, 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 Colombo in June. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 51.7 in June means 51.7% of the tourists vs. December.


Overall Colombo Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 89.6°F (32°C) and 87.4°F (30.8°C) with similar temperatures in the later months. Rain is very common with 7 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 8 to 12 days of precipitation per month. June – August is fairly slow season for tourism in Colombo, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 87.5°F (30.8°C) and 86.1°F (30.1°C), which will feel very nice given the humidity and wind. It rains or snows a great amount: 13 to 14 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 Colombo to be enjoyable for warm weather travelers. The average high during this season is between 89.4°F (31.9°C) and 86.4°F (30.2°C). On average, it rains or snows a fair amount: 4 to 9 times per month. These times of year are the busiest with tourists.

 

Best Times to TravelSri Lanka › Colombo, Sri Lanka


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