🇱🇰 Weather in Mirissa in April
This is what the weather in Mirissa (Sri Lanka) was like in April in 2017–2026.
Key facts at a glance
Avg. daytime high
30.0 °C
29.2 °C – 30.8 °C
Avg. night-time low
26.8 °C
26.5 °C – 27.5 °C
Avg. rain days in period
25.6
85 % of days · ≥ 1.0 mm
Avg. precipitation in period
197 mm
128 mm – 325 mm
Avg. cloud cover
58 %
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 32.3 °C (9 Apr 2024) · Lowest temperature 24.3 °C (2 Apr 2020) · Avg. daily peak wind 16 km/h
Weather mix of all days
- 25Sunny
- 12Partly cloudy
- 7Cloudy
- 109Light rain
- 147Rain
Summary
- On average 30.0 °C during the day and 26.8 °C at night.
- On average 25.6 rain days (Rain day = at least 1.0 mm of precipitation) with 197 mm of precipitation in total.
- Prevailing: Rain.
- Warmest year: 2024 (avg. 30.8 °C), coolest: 2025 (avg. 29.2 °C).
- Wettest year: 2025 (325 mm), driest: 2024 (128 mm).
- Extremes: 32.3 °C on 9 Apr 2024 and 24.3 °C on 2 Apr 2020.
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
Avg. max30.0°Avg. min27.1°- Rain days
- 28 Rain days
- Precipitation
- 192 mm
- Avg. cloud cover
- 58 % cloudy
- Sea temperature
- –
Max 30.9 °C · Min 24.8 °C
2025
Avg. max29.2°Avg. min26.8°- Rain days
- 30 Rain days
- Precipitation
- 325 mm
- Avg. cloud cover
- 58 % cloudy
- Sea temperature
- –
Max 30.0 °C · Min 25.7 °C
2024
Avg. max30.8°Avg. min27.5°- Rain days
- 28 Rain days
- Precipitation
- 128 mm
- Avg. cloud cover
- 63 % cloudy
- Sea temperature
- –
Max 32.3 °C · Min 26.5 °C
2023
Avg. max30.1°Avg. min26.7°- Rain days
- 26 Rain days
- Precipitation
- 197 mm
- Avg. cloud cover
- 54 % cloudy
- Sea temperature
- –
Max 31.0 °C · Min 25.6 °C
2022
Avg. max29.4°Avg. min26.5°- Rain days
- 30 Rain days
- Precipitation
- 289 mm
- Avg. cloud cover
- 56 % cloudy
- Sea temperature
- –
Max 30.8 °C · Min 26.0 °C
2021
Avg. max29.7°Avg. min26.5°- Rain days
- 24 Rain days
- Precipitation
- 147 mm
- Avg. cloud cover
- 53 % cloudy
- Sea temperature
- –
Max 30.7 °C · Min 25.5 °C
2020
Avg. max30.4°Avg. min26.7°- Rain days
- 25 Rain days
- Precipitation
- 155 mm
- Avg. cloud cover
- 53 % cloudy
- Sea temperature
- –
Max 31.7 °C · Min 24.3 °C
2019
Avg. max30.8°Avg. min26.9°- Rain days
- 20 Rain days
- Precipitation
- 135 mm
- Avg. cloud cover
- 61 % cloudy
- Sea temperature
- –
Max 32.0 °C · Min 25.6 °C
2018
Avg. max29.5°Avg. min26.5°- Rain days
- 29 Rain days
- Precipitation
- 237 mm
- Avg. cloud cover
- 76 % cloudy
- Sea temperature
- –
Max 30.8 °C · Min 25.8 °C
2017
Avg. max30.0°Avg. min26.7°- Rain days
- 16 Rain days
- Precipitation
- 163 mm
- Avg. cloud cover
- 46 % cloudy
- Sea temperature
- –
Max 31.0 °C · Min 25.3 °C
Frequently asked questions
- How warm is it in Mirissa in April?
- Daytime highs averaged 30.0 °C, night-time lows 26.8 °C. The highest value of the past 10 years was 32.3 °C (9 Apr 2024), the lowest 24.3 °C (2 Apr 2020).
- How often does it rain in Mirissa in April?
- On average there were 25.6 rain days (at least 1 mm) with 197 mm of precipitation in total.
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in April
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)