Trincomalee monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Trincomalee

Trincomalee average temperature chart (Celsius) Trincomalee average temperature chart (Fahrenheit)
Average monthly temperatures in Trincomalee (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.8 29.1 30.8 32.8 34.4 34.6 34.2 34 33.7 31.6 29.2 28.1
°F 82.1 84.4 87.4 91.1 93.8 94.2 93.6 93.3 92.7 88.9 84.6 82.5

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Trincomalee monthly rainfall chart (mm) Trincomalee monthly rainfall chart (inches)
Average monthly rainfall in Trincomalee (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 125 106 56 55 49 25 63 84 96 223 343 367
inches 4.9 4.2 2.2 2.2 1.9 1 2.5 3.3 3.8 8.8 13.5 14.4
Rainy days 7 5 4 6 4 2 4 5 6 12 16 16

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Trincomalee

Trincomalee average daily sunshine chart
Average daily sunshine Trincomalee
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.1 8 9.2 8.7 7.7 7.1 6.9 7.8 7.3 7 6 6

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Trincomalee average minimum / maximum temperatures (Celsius) Trincomalee average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Trincomalee (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 24.3 24.6 25.1 25.8 26.5 26.5 25.8 25.6 25.3 24.6 24.3 24.3
Max °C 27.9 29.3 30.9 33 34.6 34.8 34.4 34.3 34 31.8 29.4 28.2
Min °F 75.7 76.2 77.2 78.4 79.6 79.6 78.4 78 77.5 76.3 75.7 75.7
Max °F 79 80.4 82.4 84.9 86.9 87.1 86.2 85.8 85.3 82.8 80.2 79.2

Sea temperature

The graph below shows the average sea temperature.

Trincomalee average sea temperature chart (Celsius) Trincomalee average sea temperature chart (Fahrenheit)
Average sea temperature around Trincomalee in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.3 27.8 28.9 30 30 29.4 29.1 28.9 28.9 29.1 28.7 27.8
°F 81.1 82.1 84 85.9 86 84.9 84.5 84.1 84.1 84.3 83.7 82

Wind speed

The graph below shows the average wind speed.

Trincomalee average winspeed by month (km/h) Trincomalee average winspeed by month (mph)
Average wind speed in Trincomalee (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 12 9 9 13 18 16 15 14 10 12 16
mph 10 7 6 5 8 11 10 9 9 7 7 10

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Trincomalee relative humidity averages
Average relative humidity in Trincomalee
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 74% 75% 74% 69% 63% 64% 65% 68% 74% 80% 81%

Other monthly averages

UV index Best time to go?

Trincomalee weather stats

Trincomalee weather statistics
Hottest month: June 34.6°C 94.3°F
Driest month: June 25mm 1ins
Sunniest month: March 9.2hrs
Coldest month: January 27.8°C 82°F
Wettest month: December 367mm 14.4ins
Warmest sea: May 30°C 86°F
Map showing location of Trincomalee (8.5711, 81.2335)

Locations nearby

Top Sri Lanka locations

Change units