Precipitation anomalies in Guinea-Bissau
Guinea-Bissau: Precipitation anomalies was 300.08 millimeters in 2025. ◆ Volatile
Precipitation anomalies in Guinea-Bissau, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in millimeters.
Analysis
The most recent figure for precipitation anomalies in Guinea-Bissau is 300.08 millimeters, measured in 2025.
That represents a change of down 39.1% on the previous year and up 28.8% over ten years.
Over the whole period, precipitation anomalies in Guinea-Bissau peaked at 798.41 millimeters in 1958 and was at its lowest, -446.18 millimeters, in 1941.
Guinea-Bissau ranks 15th of 192 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 159.36 millimeters | -446.18 millimeters | 476.23 millimeters | 10 |
| 1950s | 482.71 millimeters | 171.53 millimeters | 798.41 millimeters | 10 |
| 1960s | 306.66 millimeters | -58.17 millimeters | 560.72 millimeters | 10 |
| 1970s | 223.53 millimeters | -246.16 millimeters | 392.61 millimeters | 10 |
| 1980s | 46.78 millimeters | -45.79 millimeters | 146 millimeters | 10 |
| 1990s | 6.97 millimeters | -197.18 millimeters | 165.97 millimeters | 10 |
| 2000s | -96.17 millimeters | -348.36 millimeters | 129.04 millimeters | 10 |
| 2010s | 42.32 millimeters | -203.63 millimeters | 324.34 millimeters | 10 |
| 2020s | 221.3 millimeters | -67.82 millimeters | 492.45 millimeters | 6 |
Countries ranked near Guinea-Bissau
More reference data data for Guinea-Bissau
- Spring temperature anomalies 0.0461 °C (2026)
- Summer temperature anomalies 0.1951 °C (2026)
- Temperature anomalies by month 0.1558 °C (2026)
- Universal right to vote in practice 0 (2025)
- Autumn temperature anomalies -0.0727 °C (2025)
- Winter temperature anomalies -0.6203 °C (2025)
- Consumer price index 142.94 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 0 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is precipitation anomalies in Guinea-Bissau?
- Precipitation anomalies in Guinea-Bissau was 300.08 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-Bissau?
- The highest recorded value was 798.41 millimeters in 1958.
- What is the lowest precipitation anomalies recorded in Guinea-Bissau?
- The lowest recorded value was -446.18 millimeters in 1941.
- How does Guinea-Bissau rank for precipitation anomalies?
- Guinea-Bissau ranks 15th out of 192 countries with data for 2025.
- Is precipitation anomalies rising or falling in Guinea-Bissau?
- Over the last ten years it is up 28.8%. The long-run trend across the full record is volatile.
- Where does this Guinea-Bissau 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.
Download this data
CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.