Suhu rata-rata tahunan di Meulayu adalah +26.8°. Bulan terpanas adalah Juli (rata-rata siang +30.8°), dan terdingin Januari (rata-rata malam +23.1°). Chove cerca de 2273 mm por ano, com pico em November (357 mm). Data merupakan rata-rata iklim 60 tahun terakhir dan rekor dari 66 tahun pengamatan.
| Bulan | Siang | Malam | Curah hujan | Hari hujan | Rekor maks. | Rekor min. |
|---|---|---|---|---|---|---|
| Januari | +28.7° | +23.1° | 151 mm | 20 | +32.4° (2020) | +19° (2023) |
| Februari | +29.5° | +23.2° | 113 mm | 18 | +34.1° (2020) | +19.5° (2019) |
| Maret | +29.9° | +23.7° | 166 mm | 23 | +34.8° (2024) | +19.9° (2024) |
| April | +30.1° | +24.2° | 209 mm | 26 | +34.5° (2024) | +21.2° (2023) |
| Mei | +30.3° | +24.5° | 214 mm | 22 | +35.9° (2024) | +22.2° (2018) |
| Juni | +30.8° | +24.4° | 94 mm | 14 | +36.8° (2024) | +21.3° (2018) |
| Juli | +30.8° | +24.2° | 105 mm | 15 | +38.3° (2024) | +20.9° (2021) |
| Agustus | +30.7° | +24.1° | 119 mm | 16 | +37.4° (2024) | +21.1° (2022) |
| September | +30° | +23.9° | 188 mm | 20 | +35.9° (2019) | +21.2° (2022) |
| Oktober | +29° | +23.6° | 283 mm | 25 | +34.8° (2025) | +20.3° (2021) |
| November | +28.5° | +23.4° | 357 mm | 27 | +33.2° (2025) | +20.6° (2025) |
| Desember | +28.3° | +23.2° | 273 mm | 25 | +31° (2024) | +19.7° (1996) |