Unawatuna Temperatures: Monthly Averages and Year-Round Insights

On this page, we’ll explore Unawatuna’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Sri Lanka.

Monthly Temperature Averages

The temperature in Unawatuna remains steady throughout the year, providing a consistently very warm climate. Typically, maximum daytime temperatures range from a very warm 30°C in March to a warm 29°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 25°C, particularly during the colder months.

The chart below illustrates the average maximum day and minimum night temperatures in Unawatuna by month:

The minimum temperature is commonly observed between 4 AM and 6 AM, with the maximum occurring around 3 PM, when the sun’s strength is at its peak. March, the city’s warmest month, sees 270 hours of sunshine.

The chart below shows the average temperature throughout the year:

January, the city’s coldest month, sees about 76 mm of rainfall spread over roughly 5 days. It records 250 hours of sunshine of sunshine.

Annual Temperatures in Sri Lanka Compared

The map below shows the annual temperature across Sri Lanka. You can also select the different months in case you are interested in a specific month.

Annual

Annual

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Legend

very warm

warm

pleasant

moderate

cold

very cold

Very warm means maximum temperatures above 32°C. Warm: 25°C to 32°C. Pleasant: 18°C to 25°C Moderate: 10°C to 18°C. Cold: 5°C to 10°C. Very cold: lower than 5°C

Unawatuna Temperatures Compared World Wide

Unawatuna’s average annual maximum temperature is 29°C. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, the average annual temperature is around 21°C, resulting in warm summers and mild winters throughout the year.

Meanwhile, Queenstown, New Zealand, the average annual temperature is significantly lower at 10°C, with mild summers and cold winters.

The climate in San Francisco, USA, is mild, with an average annual temperature of 19°C and minimal seasonal variation.

Melbourne, Australia, has a slightly cooler climate, with an average annual temperature of 20°C.

How are these Temperatures Measured?

Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.

This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.

Temperatures in the Mountains

Although not all regions have mountains, elevated areas exhibit distinct temperature variations.

Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.

For more detailed information about Unawatuna’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Unawatuna climate page.