Sierra Leone Average Annual Temperature 2025: 26.31 °C
Sierra Leone's average annual temperature in 2025 is 26.31 °C, down 2.1% from 2024. It ranks #43 of 191 countries.
Average annual temperature measures the typical warmth of a country over a year, crucial for climate studies.
Source (2025): Average annual surface temperature | Our World in Data
Average Annual Temperature over time
| Year | Value | Change | % Change | Actions |
|---|---|---|---|---|
| 2025 | 26.31 °C | 0.55 °C | -2.06% | |
| 2024 | 26.86 °C | +0.47 °C | +1.78% | |
| 2023 | 26.39 °C | +0.17 °C | +0.66% | |
| 2022 | 26.22 °C | 0.16 °C | -0.60% | |
| 2021 | 26.38 °C | 0.03 °C | -0.10% | |
| 2020 | 26.4 °C | +0.03 °C | +0.12% | |
| 2019 | 26.37 °C | +0.32 °C | +1.24% | |
| 2018 | 26.05 °C | 0.21 °C | -0.80% | |
| 2017 | 26.26 °C | +0.14 °C | +0.53% | |
| 2016 | 26.12 °C | +0.36 °C | +1.38% | |
| 2015 | 25.76 °C | +0.14 °C | +0.54% | |
| 2014 | 25.63 °C | 0.15 °C | -0.58% | |
| 2013 | 25.78 °C | +0.28 °C | +1.09% | |
| 2012 | 25.5 °C | 0.06 °C | -0.23% | |
| 2011 | 25.56 °C | 0.25 °C | -0.99% | |
| 2010 | 25.81 °C | 0.03 °C | -0.12% | |
| 2009 | 25.84 °C | +0.31 °C | +1.21% | |
| 2008 | 25.53 °C | 0.25 °C | -0.96% | |
| 2007 | 25.78 °C | 0.03 °C | -0.10% | |
| 2006 | 25.81 °C | +0.16 °C | +0.62% | |
| 2005 | 25.65 °C | 0.04 °C | -0.17% | |
| 2004 | 25.69 °C | 0.1 °C | -0.39% | |
| 2003 | 25.79 °C | +0.06 °C | +0.23% | |
| 2002 | 25.73 °C | +0.21 °C | +0.84% | |
| 2001 | 25.52 °C | — | — |
Frequently Asked Questions About Sierra Leone Average Annual Temperature
What is Sierra Leone's average annual temperature in 2025?▾
Sierra Leone's average annual temperature is 26.31 °C in 2025, according to Average annual surface temperature | Our World in Data.
Is Sierra Leone's average annual temperature increasing or decreasing?▾
Sierra Leone's average annual temperature fell by 2.1% from 2024 (26.86 °C) to 2025 (26.31 °C). Over the past decade (2015–2025) it rose by 2.1%.
How does Sierra Leone rank for average annual temperature?▾
In 2025, Sierra Leone has the 43rd highest average annual temperature out of 191 countries with data.
What was Sierra Leone's average annual temperature in 2001?▾
In 2001, Sierra Leone's average annual temperature was 25.52 °C. By 2025 it rose by 3.1%.
Explore additional statistical insights
Agriculture Value Added as a Share of GDP by Country in Sierra Leone
Explore the agriculture value added as a share of GDP by country, measuring the economic impact of farming sectors. This statistic highlights the importance of agriculture in national economies and informs investment decisions.
Currently married (Percent) in Sierra Leone
The percentage of currently married individuals by country highlights societal trends in family structure and relationships. Understanding these statistics can provide insights into cultural norms and demographic shifts, influencing policies and social programs.
Gross Domestic Product (GDP) by Country in Current US Dollars in Sierra Leone
Discover the Gross Domestic Product (GDP) by country in current US dollars, a key indicator of economic performance. This statistic reveals the financial health and growth potential of nations, making it essential for investors and policymakers.
Human Capital Index in Sierra Leone
The Human Capital Index measures a country's investment in education and health, reflecting its potential for economic growth and productivity. This vital statistic highlights the importance of nurturing human resources for sustainable development.
Life expectancy at birth in Sierra Leone
Life expectancy at birth measures the average years a newborn is expected to live, reflecting a country's health standards and quality of life. This vital statistic highlights disparities in healthcare and living conditions across nations, making it essential for global health assessments.
Median age of population in Sierra Leone
The median age of a population is a key demographic indicator, reflecting the age distribution within a country. Understanding median age helps assess economic development, healthcare needs, and social dynamics. Countries with a higher median age may face challenges related to aging populations, while younger populations often indicate growth potential.