Weather & Climate in Adamstown, Pitcairn
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Adamstown has a warm climate with an average annual temperature of 73°F (23°C). Winters average 77°F in January while summers reach 68°F in July / relatively mild seasonal variation. Annual precipitation totals 57.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 220 feet.
Temperature
77°F Jan (25°C)
68°F Jul (20°C)
| Annual Average | 72.5°F |
| 34% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 68°F (20°C) |
Geography
| Elevation | 220 ft (67 m) |
| Area | 1.8 sq mi (4.6 km²) |
| Population Density | 28/sq mi |
| Coordinates | 25.0660°S, 130.1015°W |
| Timezone | Pacific/Pitcairn |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Jul 18, 2021 | Pitcairn Islands region | M5.0 | 54 km | 10 km |
| Mar 4, 1994 | Pitcairn Islands region | M4.8 | 92 km | 10 km |
| Jul 24, 2002 | Pitcairn Islands region | M4.7 | 37 km | 10 km |
| Nov 23, 2001 | Pitcairn Islands region | M4.6 | 37 km | 10 km |
| Nov 15, 2001 | Pitcairn Islands region | M4.4 | 43 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 3.6 in | Driest |
| February | 77°F (25°C) | 5.2 in | Warmest |
| March | 77°F (25°C) | 4.1 in | |
| April | 75°F (24°C) | 4.1 in | |
| May | 73°F (23°C) | 4.3 in | |
| June | 70°F (21°C) | 5.8 in | |
| July | 68°F (20°C) | 5.2 in | |
| August | 68°F (20°C) | 4.6 in | Coldest |
| September | 68°F (20°C) | 4.8 in | |
| October | 70°F (21°C) | 4.7 in | |
| November | 72°F (22°C) | 4.7 in | |
| December | 74°F (24°C) | 6.6 in | Wettest |
Adamstown has a seasonal temperature swing of 10°F / from 68°F in August to 77°F in February. Total annual precipitation is 57.7 inches, with December being the wettest month (6.6") and January the driest (3.6").