Climate of Gampaha, Sri Lanka
Area-weighted average across Gampaha. For where people actually live and travel, see the cities below.
Gampaha, a subdivision of Sri Lanka, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 26.2°C / 79.2°F in December to 28.3°C / 82.9°F in April, with rainfall from 65 mm / 2.6 in to 397 mm / 15.6 in depending on the season (2575 mm / 101.4 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 26.4°C79.5°F | 65 mm2.6″ | — |
| February | 27°C80.6°F | 85 mm3.3″ | Tropical |
| March | 27.9°C82.2°F | 168 mm6.6″ | Tropical |
| April | 28.3°C82.9°F | 280 mm11″ | Tropical |
| May | 28.2°C82.8°F | 353 mm13.9″ | Tropical |
| June | 27.6°C81.7°F | 232 mm9.1″ | Tropical |
| July | 27.3°C81.1°F | 152 mm6″ | Tropical |
| August | 27.3°C81.1°F | 133 mm5.2″ | Tropical |
| September | 27.3°C81.1°F | 218 mm8.6″ | Tropical |
| October | 26.9°C80.4°F | 397 mm15.6″ | Tropical |
| November | 26.5°C79.7°F | 338 mm13.3″ | Tropical |
| December | 26.2°C79.2°F | 154 mm6.1″ | Tropical |
Frequently asked questions
What is the best time to visit Gampaha?
Gampaha, Sri Lanka does not have a clear sunny-and-dry window by our cutoffs. The warmest month is April at 28.3°C / 82.9°F, and the driest is January at 65 mm / 2.6 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Gampaha?
Gampaha, Sri Lanka has area-weighted monthly average temperatures ranging from 26.2°C / 79.2°F in December to 28.3°C / 82.9°F in April. Annual rainfall averages about 2575 mm / 101.4 in, with the wettest month being October (397 mm / 15.6 in) and the driest January (65 mm / 2.6 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Gampaha?
The hottest month in Gampaha is April, with an area-wide average temperature of 28.3°C / 82.9°F.
What is the coldest month in Gampaha?
The coldest month in Gampaha is December, with an area-wide average temperature of 26.2°C / 79.2°F.
When does it rain most in Gampaha?
The wettest month in Gampaha is October, averaging about 397 mm / 15.6 in of rainfall. The driest is January with about 65 mm / 2.6 in.