Guinea vs Sierra Leone: Average annual surface temperature

Guinea

26.42 °C

in 2025

Sierra Leone

26.31 °C

in 2025

Guinea rank

40th

Sierra Leone rank

43rd

Average annual surface temperature over time

Guinea currently reports 26.42 °C against 26.31 °C in Sierra Leone, a difference of 0.1104 °C.

The two have swapped places 30 times across 86 shared years of data; in 1940 it was Guinea ahead.

Guinea ranks 40th and Sierra Leone ranks 43rd of 193 countries.

Indicator: Average annual surface temperature
Unit: °C
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 193 places, 16,598 data points, 1940–2025
Last refreshed: 07 August 2026

The temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.