Costa Rica vs Iran: Precipitation anomalies
Costa Rica
-76.39 millimeters
in 2025
Iran
-77.7 millimeters
in 2025
Costa Rica rank
125th
Iran rank
128th
Precipitation anomalies over time
- Costa Rica
- Iran
How they compare
Costa Rica currently reports -76.39 millimeters against -77.7 millimeters in Iran, a difference of 1.31 millimeters.
The two have swapped places 39 times across 86 shared years of data; in 1940 it was Iran ahead.
Costa Rica ranks 125th and Iran ranks 128th of 192 countries.
Across the 9 decades both report, Costa Rica averaged higher in 6 and Iran in 3.
Head to head by decade
| Decade | Costa Rica | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1940s | 162.74 millimeters | -55.57 millimeters | 218.32 millimeters | Costa Rica |
| 1950s | 91.78 millimeters | 24.68 millimeters | 67.09 millimeters | Costa Rica |
| 1960s | -160.42 millimeters | -24.01 millimeters | 136.41 millimeters | Iran |
| 1970s | 298.13 millimeters | 1.59 millimeters | 296.54 millimeters | Costa Rica |
| 1980s | -259.12 millimeters | -3.05 millimeters | 256.07 millimeters | Iran |
| 1990s | -157.92 millimeters | 18.47 millimeters | 176.4 millimeters | Iran |
| 2000s | 96.03 millimeters | -21.43 millimeters | 117.46 millimeters | Costa Rica |
| 2010s | 12.25 millimeters | -10.39 millimeters | 22.64 millimeters | Costa Rica |
| 2020s | 56.57 millimeters | -36.19 millimeters | 92.76 millimeters | Costa Rica |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher precipitation anomalies, Costa Rica or Iran?
- Costa Rica, at -76.39 millimeters against -77.7 millimeters in Iran as of 2025.
- What is the difference in precipitation anomalies between Costa Rica and Iran?
- 1.31 millimeters, with Costa Rica ahead.
- How many years of comparable data are there for Costa Rica and Iran?
- 86 years are reported by both, from 1940 to 2025.
- How do Costa Rica and Iran rank globally for precipitation anomalies?
- Costa Rica ranks 125th and Iran ranks 128th 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 Precipitation anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.