Gullfoss in October
Short answer: In October, Gullfoss averages about 105 m³/s, 38% of the July peak (low water). Over 2005-2024 daily flow in October ranged from 45 to 501 m³/s.
Low water: 38% of peak
Snowmelt peaks in early summer; in winter parts freeze into ice curtains.
All months
| Month | Flow (share of peak) | Average m³/s | Level |
|---|---|---|---|
| January | 24% | 67 | Low water |
| February | 26% | 71 | Low water |
| March | 23% | 63 | Low water |
| April | 27% | 75 | Low water |
| May | 39% | 108 | Low water |
| June | 95% | 261 | High water |
| July | 100% | 275 | High water |
| August | 40% | 109 | Low water |
| September | 42% | 116 | Medium |
| October | 38% | 105 | Low water |
| November | 29% | 80 | Low water |
| December | 25% | 69 | Low water |
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Questions
Is Gullfoss worth visiting in October?
In October, Gullfoss averages about 105 m³/s, 38% of the July peak (low water). Over 2005-2024 daily flow in October ranged from 45 to 501 m³/s. Snowmelt peaks in early summer; in winter parts freeze into ice curtains.