Precipitation anomalies in Guinea

Guinea: Precipitation anomalies was 147.82 millimeters in 2025. ◆ Volatile

Latest (2025)
147.82 millimeters
Change on year
up 2,802.0%
World rank
30th
of 192 countries
All-time high
557.85 millimeters
in 1979
All-time low
-201.02 millimeters
in 2023
Years of data
86
1940–2025

Precipitation anomalies in Guinea, 1940–2025

-2000200400600194019822025

Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in millimeters.

Analysis

Guinea recorded 147.82 millimeters for precipitation anomalies in 2025.

Compared with earlier readings it is up 2,802.0% on the previous year and up 1,071.3% over ten years.

Over the whole period, precipitation anomalies in Guinea peaked at 557.85 millimeters in 1979 and was at its lowest, -201.02 millimeters, in 2023.

That places Guinea 30th out of 192 countries with data for 2025, putting it in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Precipitation anomalies in Guinea, year by year

Annual values for Precipitation anomalies in Guinea, 1940 to 2025.
Year millimeters Change
1940 -65.15 millimeters
1941 -160.81 millimeters +146.8%
1942 -75.77 millimeters -52.9%
1943 132.93 millimeters -275.5%
1944 275.29 millimeters +107.1%
1945 -136.15 millimeters -149.5%
1946 -56.13 millimeters -58.8%
1947 -49.49 millimeters -11.8%
1948 22.53 millimeters -145.5%
1949 23.16 millimeters +2.8%
1950 109.59 millimeters +373.2%
1951 417.52 millimeters +281.0%
1952 225.59 millimeters -46.0%
1953 205.97 millimeters -8.7%
1954 320.93 millimeters +55.8%
1955 178.78 millimeters -44.3%
1956 232.77 millimeters +30.2%
1957 430.64 millimeters +85.0%
1958 263.9 millimeters -38.7%
1959 134.44 millimeters -49.1%
1960 38.52 millimeters -71.3%
1961 12.78 millimeters -66.8%
1962 172.12 millimeters +1246.4%
1963 57.6 millimeters -66.5%
1964 49.2 millimeters -14.6%
1965 -11.21 millimeters -122.8%
1966 78.79 millimeters -802.9%
1967 366.71 millimeters +365.5%
1968 304.63 millimeters -16.9%
1969 521.02 millimeters +71.0%
1970 158.16 millimeters -69.6%
1971 348.73 millimeters +120.5%
1972 434.91 millimeters +24.7%
1973 216.44 millimeters -50.2%
1974 3.97 millimeters -98.2%
1975 136.96 millimeters +3346.8%
1976 234 millimeters +70.9%
1977 19.17 millimeters -91.8%
1978 355.63 millimeters +1754.9%
1979 557.85 millimeters +56.9%
1980 290.3 millimeters -48.0%
1981 287.52 millimeters -1.0%
1982 141.75 millimeters -50.7%
1983 -37.54 millimeters -126.5%
1984 129.35 millimeters -444.6%
1985 60.46 millimeters -53.3%
1986 35.73 millimeters -40.9%
1987 75.42 millimeters +111.1%
1988 46.7 millimeters -38.1%
1989 225.46 millimeters +382.8%
1990 48.61 millimeters -78.4%
1991 62.75 millimeters +29.1%
1992 67.34 millimeters +7.3%
1993 195.09 millimeters +189.7%
1994 199.38 millimeters +2.2%
1995 25.43 millimeters -87.2%
1996 53.78 millimeters +111.5%
1997 -61.1 millimeters -213.6%
1998 -113.99 millimeters +86.6%
1999 74.74 millimeters -165.6%
2000 82.97 millimeters +11.0%
2001 -105.87 millimeters -227.6%
2002 -156.54 millimeters +47.9%
2003 36.92 millimeters -123.6%
2004 -30.14 millimeters -181.6%
2005 -1.15 millimeters -96.2%
2006 -136.17 millimeters +11746.7%
2007 -127.19 millimeters -6.6%
2008 10.1 millimeters -107.9%
2009 5.86 millimeters -42.0%
2010 55.91 millimeters +854.9%
2011 -135.65 millimeters -342.6%
2012 39.93 millimeters -129.4%
2013 -135.16 millimeters -438.5%
2014 -125.45 millimeters -7.2%
2015 -15.22 millimeters -87.9%
2016 -16.95 millimeters +11.3%
2017 -8.44 millimeters -50.2%
2018 111.67 millimeters -1422.8%
2019 70.91 millimeters -36.5%
2020 76.26 millimeters +7.5%
2021 -92.98 millimeters -221.9%
2022 18.77 millimeters -120.2%
2023 -201.02 millimeters -1171.0%
2024 5.09 millimeters -102.5%
2025 147.82 millimeters +2802.0%

Guinea compared with similar countries

  • Guinea's 147.82 millimeters is above the median for lower middle income countries, which is -16.79 millimeters. (47 countries reporting)
  • Guinea's 147.82 millimeters is above the median for Sub-Saharan Africa, which is -73.9 millimeters. (48 countries reporting)

Biggest year-on-year movements

Years where Precipitation anomalies in Guinea changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
2006 -11746.7% -1.15 millimeters -136.17 millimeters
1975 +3346.8% 3.97 millimeters 136.96 millimeters
2025 +2802.0% 5.09 millimeters 147.82 millimeters
1978 +1754.9% 19.17 millimeters 355.63 millimeters
2018 +1422.8% -8.44 millimeters 111.67 millimeters
1962 +1246.4% 12.78 millimeters 172.12 millimeters

Averages by decade

DecadeAverage LowestHighest Years
1940s -8.96 millimeters -160.81 millimeters 275.29 millimeters 10
1950s 252.01 millimeters 109.59 millimeters 430.64 millimeters 10
1960s 159.02 millimeters -11.21 millimeters 521.02 millimeters 10
1970s 246.58 millimeters 3.97 millimeters 557.85 millimeters 10
1980s 125.51 millimeters -37.54 millimeters 290.3 millimeters 10
1990s 55.2 millimeters -113.99 millimeters 199.38 millimeters 10
2000s -42.12 millimeters -156.54 millimeters 82.97 millimeters 10
2010s -15.84 millimeters -135.65 millimeters 111.67 millimeters 10
2020s -7.68 millimeters -201.02 millimeters 147.82 millimeters 6

Countries ranked near Guinea

  1. 27 Papua New Guinea 200.94 millimeters compare
  2. 28 Nicaragua 185.68 millimeters compare
  3. 29 Laos 153 millimeters compare
  4. 31 Eswatini 140.05 millimeters compare
  5. 32 Gambia 132.42 millimeters compare
  6. 33 South Africa 130.44 millimeters compare

See the full ranking of 192 places →

More climate change data for Guinea

All data for Guinea →

Frequently asked questions

What is precipitation anomalies in Guinea?
Precipitation anomalies in Guinea was 147.82 millimeters in 2025, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
What is the highest precipitation anomalies recorded in Guinea?
The highest recorded value was 557.85 millimeters in 1979.
What is the lowest precipitation anomalies recorded in Guinea?
The lowest recorded value was -201.02 millimeters in 2023.
How does Guinea rank for precipitation anomalies?
Guinea ranks 30th out of 192 countries with data for 2025.
Is precipitation anomalies rising or falling in Guinea?
Over the last ten years it is up 1,071.3%. The long-run trend across the full record is volatile.
Where does this Guinea data come from?
The figures come from Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as part of Precipitation anomalies. Statizoid updates them automatically from the source API.

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CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).

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Precipitation anomalies in Guinea. Statizoid, drawing on Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Retrieved 18 September 2026, from https://climate.statizoid.com/stat/global-precipitation-anomaly/guinea/

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About this data

Indicator
Precipitation anomalies
Unit
millimeters
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
192 places, 16,512 data points, 1940–2025
Last refreshed

Difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.