AU
Level 2Exercise increased caution
Exercise increased caution
Sri Lanka · Month guide
Sri Lanka in April
Around 32 °C with 133 mm of rain and 7.4 hours of sun a day.
April is a mixed month for Sri Lanka — worth planning around specific regions. Around 32 °C with 133 mm of rain and 7.4 hours of sun a day. Use the regional grid below to find where this month works best — national averages hide the swings between coast, highlands, and inland.
Acceptable
Sri Lanka · April
What the weather usually does
Sri Lanka · typical month
- Day / night24 – 32 °CYear range 22 – 32 °C
- Rainfall133 mmYear range 70 – 374 mm
- Sunshine7.4 hr / dayYear range 4.5 – 7.8 hr / day
What’s open · April
Things to do in Sri Lanka in April
April closes 1 thing below; the rest run as normal.
- ClosedWhale watching off Trincomalee
the east coast's season is the mirror image of the south's — when one shuts, the other opens
Sources: journalofsrilanka.com, wwhandbook.iwc.int
- OpenBlue whales off Mirissa
the edges of the southern season, which runs roughly November to April
Sources: nomadicboys.com, journalofsrilanka.com
Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.
25 regions · current month
Sri Lanka, taken apart
- Ampara32°C now · 28–34 °C yr
- Anuradhapura34°C now · 29–34 °C yr
- Badulla31°C now · 27–32 °C yr
- Batticaloa32°C now · 28–34 °C yr
- Colombo32°C now · 29–33 °C yr
- Galle30°C now · 28–30 °C yr
- Gampaha33°C now · 29–33 °C yr
- Hambantota32°C now · 29–32 °C yr
- Jaffna31°C now · 27–31 °C yr
- Kalutara31°C now · 29–31 °C yr
- Kandy30°C now · 26–30 °C yr
- Kegalle31°C now · 28–32 °C yr
- Kilinochchi32°C now · 28–32 °C yr
- Kurunegala34°C now · 30–34 °C yr
- Mannar33°C now · 29–33 °C yr
- Matale33°C now · 28–33 °C yr
- Matara31°C now · 29–31 °C yr
- Monaragala32°C now · 29–34 °C yr
- Mullaitivu33°C now · 28–33 °C yr
- Nuwara Eliya28°C now · 25–28 °C yr
- Polonnaruwa34°C now · 29–34 °C yr
- Puttalam32°C now · 30–33 °C yr
- Ratnapura30°C now · 28–30 °C yr
- Trincomalee33°C now · 28–34 °C yr
- Vavuniya35°C now · 29–35 °C yr
Safety · 4 governments
What the governments say about Sri Lanka
Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 4 governments · Advisory last changed
See breakdown by countryHide breakdown
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 2Exercise increased caution
Exercise increased caution
US
Level 2Exercise increased caution
Exercise increased caution
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 28.8 | 21.9 | 19.5 | 30.4 |
| February | 30.0 | 22.3 | 20.2 | 31.6 |
| March | 31.5 | 23.2 | 21.7 | 33.4 |
| April | 32.3 | 24.4 | 23.2 | 33.9 |
| May | 31.5 | 25.2 | 24.0 | 33.6 |
| June | 31.6 | 25.4 | 24.4 | 32.9 |
| July | 31.7 | 25.2 | 24.4 | 33.3 |
| August | 31.5 | 24.9 | 24.1 | 33.5 |
| September | 31.2 | 24.6 | 23.4 | 33.0 |
| October | 30.3 | 23.9 | 23.0 | 32.5 |
| November | 29.2 | 23.2 | 21.9 | 30.9 |
| December | 28.7 | 22.6 | 21.0 | 30.3 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 127 |
| February | 70 |
| March | 82 |
| April | 133 |
| May | 200 |
| June | 84 |
| July | 90 |
| August | 101 |
| September | 121 |
| October | 267 |
| November | 374 |
| December | 186 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 6.2 |
| February | 7.4 |
| March | 7.8 |
| April | 7.4 |
| May | 5.9 |
| June | 6.4 |
| July | 6.2 |
| August | 6.3 |
| September | 6.3 |
| October | 5.5 |
| November | 4.5 |
| December | 5.4 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 9.8 | 6.3 | 12.4 |
| February | 9.8 | 6.2 | 13.6 |
| March | 7.6 | 5.2 | 10.9 |
| April | 7.0 | 4.8 | 11.7 |
| May | 12.1 | 4.8 | 20.3 |
| June | 15.8 | 11.7 | 19.0 |
| July | 15.0 | 9.3 | 20.3 |
| August | 14.6 | 9.4 | 19.4 |
| September | 13.8 | 7.1 | 17.8 |
| October | 9.2 | 4.5 | 16.1 |
| November | 7.6 | 4.5 | 11.9 |
| December | 9.0 | 5.2 | 12.3 |
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