The best times to visit Jaffna for ideal weather are

January 29th to April 8th

or

June 4th to August 12th

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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Weather in Jaffna

Temperature

Average temperatures in Jaffna 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 19th 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 Jaffna, the hottest months are April, June, and then May. See average monthly temperatures below. The warmest time of year is generally early April where highs are regularly around 93.7°F (34.3°C) with temperatures rarely dropping below 79.2°F (26.2°C) at night.

Jaffna Temperatures (Fahrenheit)

Key
High
Average
Low

Jaffna 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.

Jaffna Perceived Temperature (F)

Key
High
Average
Low

Jaffna Perceived Temperature (C)

Key
High
Average
Low

 

Average Jaffna 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 84.2 79.3 71
Feb 86.5 81.1 71.6
Mar 91.1 84.7 74.3
Apr 92.9 87.1 79.3
May 90.8 86.7 82
Jun 90.8 86.8 82.1
Jul 91.2 86.5 81.2
Aug 90 85.4 80.2
Sep 89.5 85.3 79.9
Oct 88.1 83.7 77.6
Nov 85.7 81.2 74.7
Dec 84 79.9 73.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 29 26.3 21.7
Feb 30.3 27.3 22
Mar 32.8 29.3 23.5
Apr 33.8 30.6 26.3
May 32.7 30.4 27.8
Jun 32.7 30.4 27.8
Jul 32.9 30.3 27.3
Aug 32.2 29.7 26.8
Sep 31.9 29.6 26.6
Oct 31.2 28.7 25.3
Nov 29.8 27.3 23.7
Dec 28.9 26.6 23.2


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Jaffna are July, June, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early June. For example, on the week of June 4th 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 Jaffna? 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.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Jaffna.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 11% 0 2.7
Feb 5% 0 1.4
Mar 5% 0 1
Apr 13% 0 3
May 13% 0 3.4
Jun 2% 0 0.5
Jul 1% 0 1.2
Aug 9% 0 2.3
Sep 13% 0 2.5
Oct 35% 0 8.4
Nov 49% 0 15.7
Dec 38% 0 12

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 11 0 6.9
Feb 5 0 3.6
Mar 5 0 2.5
Apr 13 0 7.6
May 13 0 8.6
Jun 2 0 1.3
Jul 1 0 3
Aug 9 0 5.8
Sep 13 0 6.4
Oct 35 0 21.3
Nov 49 0 39.9
Dec 38 0 30.5

 

Humidity and Wind

Jaffna has some very humid months, and above average humidity throughout the year. The least humid month is March (63.2% relative humidity), and the most humid month is November (78.7%).

Wind in Jaffna is usually calm. The windiest month is September, followed by December and June. September’s average wind speed of around 5.2 knots (5.9 MPH or 9.6 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 May where average top sustained speeds reach 9.7 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 4.7 Light breeze 7.1 Gentle breeze
Feb 4.4 Light breeze 6.6 Light breeze
Mar 4.3 Light breeze 6.7 Gentle breeze
Apr 3.3 Barely noticeable 5.4 Light breeze
May 3.8 Barely noticeable 7.2 Gentle breeze
Jun 4.8 Light breeze 8.1 Gentle breeze
Jul 4.2 Light breeze 7.3 Gentle breeze
Aug 4.6 Light breeze 7.4 Gentle breeze
Sep 5.2 Light breeze 7.1 Gentle breeze
Oct 4.2 Light breeze 6.2 Light breeze
Nov 3.8 Barely noticeable 6.2 Gentle breeze
Dec 4.8 Light breeze 7 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 71.3%
Feb 68.4%
Mar 63.2%
Apr 65.9%
May 71.9%
Jun 67.8%
Jul 65.8%
Aug 69.2%
Sep 70.2%
Oct 74%
Nov 78.7%
Dec 77.5%

 

Is it Safe to Travel to Jaffna?

Our best data indicates this area is somewhat safe. As of Jan 18, 2018 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


 

The Busiest and Least Crowded Months

The busiest month for tourism in Jaffna, Sri Lanka is August, followed by January 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 Jaffna 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

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 very reliable. Displayed data is calculated relative to the peak, so a score of 30.7 in May means 30.7% of the tourists vs. August.


Overall Jaffna Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel very warm. Highs range from 93.7°F (34.3°C) and 89°F (31.7°C) with similar temperatures in the later months. Rain is rare with 1 to 4 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 hot weather with high temperatures that are quite warm. These months see the least precipitation with 0 to 3 days of precipitation per month. June – August is the busiest season for tourism in Jaffna, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 89.9°F (32.2°C) and 83.8°F (28.8°C), which will feel very nice given the humidity and wind. It rains or snows a good amount: 4 to 15 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 Jaffna to be enjoyable for warm weather travelers. The average high during this season is between 89°F (31.7°C) and 82.9°F (28.3°C). On average, it rains or snows a fair amount: 1 to 12 times per month. These times of year are the second busiest with tourists.

 

Best Times to TravelSri Lanka › Jaffna, Sri Lanka

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