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> Usa > Attu Island, Alaska > Precipitation
Rainfall/ Precipitation in Attu Island, Alaska, Usa
- Attu Island, Alaska receives 1519 mm (59.8 in) of rainfall per year, or 126.6 mm (5 in) per month.
- On average there are 268 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 22.3 days with a quantity of rain, sleet, snow etc. per month.
- The driest weather is in February when an average of 79 mm (3.1 in) of rainfall (precipitation) occurs.
- The wettest weather is in October when an average of 217 mm (8.5 in) of rainfall (precipitation) occurs.
Precipitation Table
| Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Average Precipitation mm (in) | 93 (3.66) | 79 (3.1) | 89 (3.5) | 114 (4.5) | 111 (4.4) | 87 (3.4) | 119 (4.7) | 174 (6.9) | 161 (6.3) | 217 (8.5) | 147 (5.8) | 128 (5) | 1519 (59.8) | |
 | Precipitation Litres/m² (Gallons/ft²) | 93 (2.28) | 79 (1.94) | 89 (2.18) | 114 (2.8) | 111 (2.72) | 87 (2.13) | 119 (2.92) | 174 (4.27) | 161 (3.95) | 217 (5.32) | 147 (3.61) | 128 (3.14) | 1519 (37.26) | |
 | Number of Wet Days (probability of rain on a day) | 26 (84%) | 19 (67%) | 25 (81%) | 23 (77%) | 18 (58%) | 15 (50%) | 18 (58%) | 18 (58%) | 21 (70%) | 27 (87%) | 29 (97%) | 29 (94%) | 268 (73%) |