Sierra Leone
Across 3 destinations in Sierra Leone, the warmest is Bo at 34 °C in Feb, the coolest is Freetown at 28 °C, and annual rainfall ranges from 2,287 mm in Kenema to 3,006 mm in Freetown. Figures are 1991–2020 climate normals.
3 destinations with full climate records · 45 awaiting data
The rangeHow much Sierra Leone varies
Climate varies across Sierra Leone. At the warmest month of the year, Bo averages 34 °C by day while Freetown reaches 28 °C — a difference of 6.2 °C between two places in the same country.
DestinationsThe year in each of the largest
All of themEvery destination with a full record
| Destination | Warmest month | Peak avg high | Annual rainfall |
|---|---|---|---|
| Freetown | Dec | 28 °C | 3,006 mm |
| Kenema | Feb | 34 °C | 2,287 mm |
| Bo | Feb | 34 °C | 2,509 mm |
Awaiting climate data
These destinations are in our database but do not yet have complete 30-year records, so they have no page yet.
- Koidu
- Makeni
- Waterloo
- Port Loko
- Njala
- Lunsar
- Kabala
- Segbwema
- Bumpe
- Mile 91
- Magburaka
- Kailahun
- Binkolo
- Yengema
- Rokupr
- Gandorhun
- Gandorhun
- Kambia
- Bonthe
- Pendembu
- Mattru Jong
- Blama
- Kamakwie
- Panguma
- Pujehun
- Kukuna
- Barma
- Boajibu
- Bunumbu
- Sumbuya
- Baoma
- Moyamba
- Mambolo
- Tombodu
- Daru
- Foindu
- Masingbi
- Motema
- Bomi
- Tintafor
- Buedu
- Mamboma
- Kassiri
- Hastings
- Hangha
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: warmest month, annual rainfall total. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.