Ilulissat Geography and environment Geography and environment

| Month_ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec_ | Year_ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average low °C (°F) | −17 , (1) | −18 , (0) | −19 , (−2) | −12 , (10) | −3 , (27) | 2 , (36) | 5 , (41) | 4 , (39) | −1 , (30) | −7 , (19) | −11 , (12) | −14 , (7) | −7.6 , (18.3) |
| Precipitation mm (inches) | 12 , (0.47) | 13 , (0.51) | 12 , (0.47) | 13 , (0.51) | 16 , (0.63) | 22 , (0.87) | 29 , (1.14) | 26 , (1.02) | 35 , (1.38) | 26 , (1.02) | 23 , (0.91) | 17 , (0.67) | 244 , (9.6) |
| Avg. precipitation days (≥ 1.0 mm) | 9 | 9 | 10 | 9 | 8 | 7 | 8 | 9 | 10 | 10 | 11 | 10 | 110 |
| Mean monthly sunshine hours | 0 | 28 | 93 | 180 | 279 | 300 | 279 | 217 | 120 | 62 | 30 | 0 | 1588 |