Annual precipitation in Heard Island and McDonald Islands
Heard Island and McDonald Islands: Annual precipitation was 1,377 millimeters in 2025. ▲ Rising
Latest (2025)
1,377 millimeters
Change on year
up 3.0%
World rank
61st
of 192 countries
All-time high
1,545 millimeters
in 2019
All-time low
867.41 millimeters
in 1949
Years of data
86
1940–2025
Annual precipitation in Heard Island and McDonald Islands, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in millimeters.
Analysis
In 2025, annual precipitation in Heard Island and McDonald Islands stood at 1,377 millimeters.
Compared with earlier readings it is up 3.0% on the previous year and up 2.9% over ten years.
Over the whole period, annual precipitation in Heard Island and McDonald Islands peaked at 1,545 millimeters in 2019 and was at its lowest, 867.41 millimeters, in 1949.
Heard Island and McDonald Islands ranks 61st of 192 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 86 years of available data.
Annual precipitation in Heard Island and McDonald Islands, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | 1,323 millimeters | — |
| 1941 | 1,232 millimeters | -6.8% |
| 1942 | 1,334 millimeters | +8.3% |
| 1943 | 1,195 millimeters | -10.4% |
| 1944 | 1,200 millimeters | +0.4% |
| 1945 | 1,184 millimeters | -1.4% |
| 1946 | 1,287 millimeters | +8.7% |
| 1947 | 1,290 millimeters | +0.2% |
| 1948 | 1,254 millimeters | -2.8% |
| 1949 | 867.41 millimeters | -30.8% |
| 1950 | 941.37 millimeters | +8.5% |
| 1951 | 897.77 millimeters | -4.6% |
| 1952 | 999.11 millimeters | +11.3% |
| 1953 | 1,103 millimeters | +10.4% |
| 1954 | 1,135 millimeters | +2.9% |
| 1955 | 1,014 millimeters | -10.7% |
| 1956 | 1,046 millimeters | +3.2% |
| 1957 | 1,042 millimeters | -0.4% |
| 1958 | 1,212 millimeters | +16.3% |
| 1959 | 1,005 millimeters | -17.1% |
| 1960 | 1,164 millimeters | +15.9% |
| 1961 | 1,250 millimeters | +7.4% |
| 1962 | 1,145 millimeters | -8.4% |
| 1963 | 1,123 millimeters | -1.9% |
| 1964 | 1,141 millimeters | +1.6% |
| 1965 | 1,177 millimeters | +3.2% |
| 1966 | 1,232 millimeters | +4.6% |
| 1967 | 1,091 millimeters | -11.4% |
| 1968 | 1,164 millimeters | +6.7% |
| 1969 | 1,175 millimeters | +0.9% |
| 1970 | 1,083 millimeters | -7.8% |
| 1971 | 1,075 millimeters | -0.7% |
| 1972 | 1,132 millimeters | +5.3% |
| 1973 | 1,298 millimeters | +14.7% |
| 1974 | 1,199 millimeters | -7.6% |
| 1975 | 1,315 millimeters | +9.6% |
| 1976 | 1,269 millimeters | -3.5% |
| 1977 | 1,234 millimeters | -2.7% |
| 1978 | 1,204 millimeters | -2.4% |
| 1979 | 1,342 millimeters | +11.4% |
| 1980 | 1,317 millimeters | -1.9% |
| 1981 | 1,312 millimeters | -0.3% |
| 1982 | 1,292 millimeters | -1.5% |
| 1983 | 1,282 millimeters | -0.8% |
| 1984 | 1,245 millimeters | -2.9% |
| 1985 | 1,264 millimeters | +1.5% |
| 1986 | 1,416 millimeters | +12.1% |
| 1987 | 1,331 millimeters | -6.0% |
| 1988 | 1,251 millimeters | -6.0% |
| 1989 | 1,376 millimeters | +10.0% |
| 1990 | 1,368 millimeters | -0.6% |
| 1991 | 1,372 millimeters | +0.3% |
| 1992 | 1,339 millimeters | -2.4% |
| 1993 | 1,375 millimeters | +2.7% |
| 1994 | 1,375 millimeters | +0.0% |
| 1995 | 1,348 millimeters | -2.0% |
| 1996 | 1,062 millimeters | -21.2% |
| 1997 | 1,327 millimeters | +24.9% |
| 1998 | 1,313 millimeters | -1.0% |
| 1999 | 1,312 millimeters | -0.1% |
| 2000 | 1,335 millimeters | +1.7% |
| 2001 | 1,327 millimeters | -0.6% |
| 2002 | 1,334 millimeters | +0.5% |
| 2003 | 1,384 millimeters | +3.8% |
| 2004 | 1,409 millimeters | +1.8% |
| 2005 | 1,284 millimeters | -8.9% |
| 2006 | 1,390 millimeters | +8.3% |
| 2007 | 1,346 millimeters | -3.2% |
| 2008 | 1,335 millimeters | -0.8% |
| 2009 | 1,250 millimeters | -6.4% |
| 2010 | 1,438 millimeters | +15.1% |
| 2011 | 1,240 millimeters | -13.8% |
| 2012 | 1,520 millimeters | +22.6% |
| 2013 | 1,414 millimeters | -7.0% |
| 2014 | 1,373 millimeters | -2.9% |
| 2015 | 1,338 millimeters | -2.5% |
| 2016 | 1,353 millimeters | +1.1% |
| 2017 | 1,346 millimeters | -0.5% |
| 2018 | 1,340 millimeters | -0.4% |
| 2019 | 1,545 millimeters | +15.3% |
| 2020 | 1,300 millimeters | -15.9% |
| 2021 | 1,347 millimeters | +3.6% |
| 2022 | 1,359 millimeters | +0.9% |
| 2023 | 1,314 millimeters | -3.3% |
| 2024 | 1,336 millimeters | +1.7% |
| 2025 | 1,377 millimeters | +3.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 1,217 millimeters | 867.41 millimeters | 1,334 millimeters | 10 |
| 1950s | 1,040 millimeters | 897.77 millimeters | 1,212 millimeters | 10 |
| 1960s | 1,166 millimeters | 1,091 millimeters | 1,250 millimeters | 10 |
| 1970s | 1,215 millimeters | 1,075 millimeters | 1,342 millimeters | 10 |
| 1980s | 1,309 millimeters | 1,245 millimeters | 1,416 millimeters | 10 |
| 1990s | 1,319 millimeters | 1,062 millimeters | 1,375 millimeters | 10 |
| 2000s | 1,339 millimeters | 1,250 millimeters | 1,409 millimeters | 10 |
| 2010s | 1,391 millimeters | 1,240 millimeters | 1,545 millimeters | 10 |
| 2020s | 1,339 millimeters | 1,300 millimeters | 1,377 millimeters | 6 |
Countries ranked near Heard Island and McDonald Islands
- 58 India 1,404 millimeters compare
- 59 Trinidad and Tobago 1,391 millimeters compare
- 60 Democratic Republic of Congo 1,383 millimeters compare
- 62 El Salvador 1,358 millimeters compare
- 63 Lesotho 1,329 millimeters compare
- 64 Uganda 1,308 millimeters compare
More climate change data for Heard Island and McDonald Islands
- Summer temperature anomalies 1.56 °C (2026)
- Spring temperature anomalies 0.8521 °C (2026)
- Temperature anomalies by month 0.876 °C (2026)
- Precipitation anomalies 29.5 millimeters (2025)
- Autumn temperature anomalies 0.9668 °C (2025)
- Winter temperature anomalies 0.8706 °C (2025)
- Precipitation anomalies, annual growth rate 363.4 % change on previous year (2025)
- Annual PM2.5 emissions from wildfires 0 tonnes (2026)
- Temperature anomalies vs. latitude 0.8308 °C (2025)
- Annual CO₂ emissions from wildfires 0 tonnes (2026)
Frequently asked questions
- What is annual precipitation in Heard Island and McDonald Islands?
- Annual precipitation in Heard Island and McDonald Islands was 1,377 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 annual precipitation recorded in Heard Island and McDonald Islands?
- The highest recorded value was 1,545 millimeters in 2019.
- What is the lowest annual precipitation recorded in Heard Island and McDonald Islands?
- The lowest recorded value was 867.41 millimeters in 1949.
- How does Heard Island and McDonald Islands rank for annual precipitation?
- Heard Island and McDonald Islands ranks 61st out of 192 countries with data for 2025.
- Is annual precipitation rising or falling in Heard Island and McDonald Islands?
- Over the last ten years it is up 2.9%. The long-run trend across the full record is rising.
- Where does this Heard Island and McDonald Islands 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 Annual precipitation. 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
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.