The best times to visit Kumana National Park for ideal weather are

April 23rd to August 19th

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



Other Kumana National Park Travel Info

Weather in Kumana National Park


Average temperatures in Kumana National Park 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 Kumana National Park, the hottest months are June, July, and then May. See average monthly temperatures below. The warmest time of year is generally early June where highs are regularly around 95.6°F (35.3°C) with temperatures rarely dropping below 78.4°F (25.8°C) at night.

Kumana National Park Temperatures (Fahrenheit)


Kumana National Park 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.

Kumana National Park Perceived Temperature (F)


Kumana National Park Perceived Temperature (C)



Average Kumana National Park 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 85.5 80.2 72.8
Feb 86.8 81.4 73.6
Mar 89.4 84 74.9
Apr 91.8 85.7 76.9
May 93.9 86.6 78
Jun 95.1 87.8 78.1
Jul 94.4 87.2 77.5
Aug 93.6 86.1 77.2
Sep 92.9 85.6 77.1
Oct 89.8 83.9 75.9
Nov 87.5 82.3 74.9
Dec 85.1 80.5 74.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 29.7 26.8 22.7
Feb 30.4 27.4 23.1
Mar 31.9 28.9 23.8
Apr 33.2 29.8 24.9
May 34.4 30.3 25.6
Jun 35.1 31 25.6
Jul 34.7 30.7 25.3
Aug 34.2 30.1 25.1
Sep 33.8 29.8 25.1
Oct 32.1 28.8 24.4
Nov 30.8 27.9 23.8
Dec 29.5 26.9 23.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Kumana National Park are July, June, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid June. For example, on the week of June 18th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 4 days of significant precipitation the week of December 17th.

When can you find snow in Kumana National Park? 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 Kumana National Park.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Kumana National Park (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 23% 0 10.2
Feb 24% 0 7.3
Mar 15% 0 3.7
Apr 8% 0 1
May 11% 0 2.1
Jun 3% 0 0.9
Jul 2% 0 0.4
Aug 8% 0 1
Sep 12% 0 2.9
Oct 28% 0 6.3
Nov 40% 0 10.1
Dec 48% 0 17.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 23 0 25.9
Feb 24 0 18.5
Mar 15 0 9.4
Apr 8 0 2.5
May 11 0 5.3
Jun 3 0 2.3
Jul 2 0 1
Aug 8 0 2.5
Sep 12 0 7.4
Oct 28 0 16
Nov 40 0 25.7
Dec 48 0 45.5


Humidity and Wind

Kumana National Park has some very humid months, and above average humidity throughout the year. The least humid month is June (62% relative humidity), and the most humid month is December (80.4%).

Wind in Kumana National Park is usually extremely calm. The windiest month is September, followed by August and June. September’s average wind speed of around 3.4 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 August to early September where average top sustained speeds reach 8.3 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Kumana National Park.

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 Barely noticeable 5.1 Light breeze
Feb 3.1 Barely noticeable 5.2 Light breeze
Mar 2.7 Barely noticeable 4.8 Light breeze
Apr 2.5 Barely noticeable 4.4 Light breeze
May 3.1 Barely noticeable 5.6 Light breeze
Jun 3.1 Barely noticeable 6 Light breeze
Jul 2.9 Barely noticeable 5.7 Light breeze
Aug 3.4 Barely noticeable 7.1 Gentle breeze
Sep 3.4 Barely noticeable 7.4 Light breeze
Oct 3 Barely noticeable 5.8 Light breeze
Nov 2.2 Barely noticeable 4.2 Light breeze
Dec 2.7 Barely noticeable 4.9 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 75.8%
Feb 75.3%
Mar 70.8%
Apr 70.4%
May 69%
Jun 62%
Jul 62.2%
Aug 64.6%
Sep 65.8%
Oct 72%
Nov 76.2%
Dec 80.4%


Is it Safe to Travel to Kumana National Park?

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 Kumana National Park, 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 Kumana National Park 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

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 51.7 in June means 51.7% of the tourists vs. December.



Overall Kumana National Park Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel very warm. Highs range from 95.6°F (35.3°C) and 87.8°F (31°C) with warmer temperatures in the later months. Rain is rare with 2 to 5 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 1 to 3 days of precipitation per month. June – August is fairly slow season for tourism in Kumana National Park, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 93.7°F (34.3°C) and 86.2°F (30.1°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 12 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 Kumana National Park to be enjoyable for warm weather travelers. The average high during this season is between 88°F (31.1°C) and 83.7°F (28.7°C). On average, it rains or snows a fair amount: 7 to 15 times per month. These times of year are the busiest with tourists.


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