Guinea-Bissau vs Japan: Annual precipitation
Guinea-Bissau
1,621 millimeters
in 2025
Japan
1,642 millimeters
in 2025
Guinea-Bissau rank
44th
Japan rank
42nd
Annual precipitation over time
- Guinea-Bissau
- Japan
How they compare
Japan currently reports 1,642 millimeters against 1,621 millimeters in Guinea-Bissau, a difference of 21 millimeters.
The two have swapped places 19 times across 86 shared years of data; in 1940 it was Guinea-Bissau ahead.
Guinea-Bissau ranks 44th and Japan ranks 42nd of 192 countries.
Across the 9 decades both report, Guinea-Bissau averaged higher in 2 and Japan in 7.
Head to head by decade
| Decade | Guinea-Bissau | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1940s | 1,480 millimeters | 1,435 millimeters | 44.96 millimeters | Guinea-Bissau |
| 1950s | 1,804 millimeters | 1,727 millimeters | 76.35 millimeters | Guinea-Bissau |
| 1960s | 1,628 millimeters | 1,772 millimeters | 144.82 millimeters | Japan |
| 1970s | 1,544 millimeters | 1,906 millimeters | 361.13 millimeters | Japan |
| 1980s | 1,368 millimeters | 1,723 millimeters | 355 millimeters | Japan |
| 1990s | 1,328 millimeters | 1,754 millimeters | 426.52 millimeters | Japan |
| 2000s | 1,225 millimeters | 1,697 millimeters | 472.16 millimeters | Japan |
| 2010s | 1,363 millimeters | 1,836 millimeters | 472.93 millimeters | Japan |
| 2020s | 1,542 millimeters | 1,819 millimeters | 277.17 millimeters | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual precipitation, Guinea-Bissau or Japan?
- Japan, at 1,642 millimeters against 1,621 millimeters in Guinea-Bissau as of 2025.
- What is the difference in annual precipitation between Guinea-Bissau and Japan?
- 21 millimeters, with Japan ahead.
- How many years of comparable data are there for Guinea-Bissau and Japan?
- 86 years are reported by both, from 1940 to 2025.
- How do Guinea-Bissau and Japan rank globally for annual precipitation?
- Guinea-Bissau ranks 44th and Japan ranks 42nd of 192 countries.
- Where does this data come from?
- Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as Annual precipitation. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total annual precipitation—rain and snow—calculated as the sum of daily averages, reported as the depth of water falling to Earth's surface, excluding fog and dew.