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Holiday Weather Rewind
Photo of Mirissa
Photo: Ji-Elle · CC BY-SA 3.0

🇱🇰 Weather in Mirissa in March

This is what the weather in Mirissa (Sri Lanka) was like in March in 2017–2026.

Key facts at a glance

Prevailing weather: Light rain

Avg. daytime high

29.8 °C

29.0 °C – 30.7 °C

Avg. night-time low

25.6 °C

25.2 °C – 26.0 °C

Avg. rain days in period

19.7

64 % of days · ≥ 1.0 mm

Avg. precipitation in period

146 mm

44.8 mm – 399 mm

Avg. cloud cover

51 %

This data source has no sunshine hours – average cloud cover shown instead.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 32.2 °C (28 Mar 2019) · Lowest temperature 23.2 °C (2 Mar 2021) · Avg. daily peak wind 16 km/h

Weather mix of all days

  • 52Sunny
  • 41Partly cloudy
  • 20Cloudy
  • 117Light rain
  • 80Rain

Summary

  • On average 29.8 °C during the day and 25.6 °C at night.
  • On average 19.7 rain days (Rain day = at least 1.0 mm of precipitation) with 146 mm of precipitation in total.
  • Prevailing: Light rain.
  • Warmest year: 2019 (avg. 30.7 °C), coolest: 2021 (avg. 29.0 °C).
  • Wettest year: 2025 (399 mm), driest: 2020 (44.8 mm).
  • Extremes: 32.2 °C on 28 Mar 2019 and 23.2 °C on 2 Mar 2021.

Overall values from all 10 years. How is this calculated?

Charts

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

  • 2026

    Sunny
    Avg. max29.7°Avg. min25.3°
    Rain days
    12 Rain days
    Precipitation
    49.9 mm
    Avg. cloud cover
    27 % cloudy
    Sea temperature
    –

    Max 31.1 °C · Min 23.5 °C

  • 2025

    Light rain
    Avg. max29.5°Avg. min25.8°
    Rain days
    27 Rain days
    Precipitation
    399 mm
    Avg. cloud cover
    61 % cloudy
    Sea temperature
    –

    Max 30.9 °C · Min 23.7 °C

  • 2024

    Light rain
    Avg. max30.4°Avg. min26.0°
    Rain days
    15 Rain days
    Precipitation
    48.4 mm
    Avg. cloud cover
    48 % cloudy
    Sea temperature
    –

    Max 31.4 °C · Min 24.3 °C

  • 2023

    Rain
    Avg. max29.4°Avg. min25.7°
    Rain days
    24 Rain days
    Precipitation
    174 mm
    Avg. cloud cover
    56 % cloudy
    Sea temperature
    –

    Max 30.7 °C · Min 24.5 °C

  • 2022

    Light rain
    Avg. max29.5°Avg. min25.7°
    Rain days
    20 Rain days
    Precipitation
    112 mm
    Avg. cloud cover
    50 % cloudy
    Sea temperature
    –

    Max 30.6 °C · Min 24.3 °C

  • 2021

    Rain
    Avg. max29.0°Avg. min25.2°
    Rain days
    26 Rain days
    Precipitation
    220 mm
    Avg. cloud cover
    68 % cloudy
    Sea temperature
    –

    Max 30.5 °C · Min 23.2 °C

  • 2020

    Light rain
    Avg. max30.4°Avg. min25.5°
    Rain days
    12 Rain days
    Precipitation
    44.8 mm
    Avg. cloud cover
    48 % cloudy
    Sea temperature
    –

    Max 31.4 °C · Min 24.3 °C

  • 2019

    Sunny
    Avg. max30.7°Avg. min25.5°
    Rain days
    12 Rain days
    Precipitation
    75.2 mm
    Avg. cloud cover
    50 % cloudy
    Sea temperature
    –

    Max 32.2 °C · Min 24.2 °C

  • 2018

    Light rain
    Avg. max29.5°Avg. min25.6°
    Rain days
    23 Rain days
    Precipitation
    174 mm
    Avg. cloud cover
    57 % cloudy
    Sea temperature
    –

    Max 30.5 °C · Min 24.1 °C

  • 2017

    Light rain
    Avg. max29.4°Avg. min25.7°
    Rain days
    26 Rain days
    Precipitation
    162 mm
    Avg. cloud cover
    49 % cloudy
    Sea temperature
    –

    Max 30.9 °C · Min 24.4 °C

Frequently asked questions

How warm is it in Mirissa in March?
Daytime highs averaged 29.8 °C, night-time lows 25.6 °C. The highest value of the past 10 years was 32.2 °C (28 Mar 2019), the lowest 23.2 °C (2 Mar 2021).
How often does it rain in Mirissa in March?
On average there were 19.7 rain days (at least 1 mm) with 146 mm of precipitation in total.

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Destination
🇱🇰 Mirissa
Sri Lanka
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Data sources

Weather data
Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature
MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search
Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)