Weather in Grindavík in maj
Climate normals based on 10 years of historical data for Grindavík, Island.
Average high
8°C
Average low
5°C
Rainfall
125 mm
17 rainy days
Sunshine
3.0h/day
Luftfuktighet
77%
How Hot Is Grindavík in maj?
Grindavík sees steady cool weather: 8°C days, 5°C nights — a typical 3°C swing.
Sunshine Hours in maj
Daylight stretches from 4:15 am to 10:35 pm but clouds keep sun to about 3.0h a day.
Does It Rain In Grindavík In maj?
Heavy rain is common in Grindavík: 125mm across 17 days in May.
Is Grindavík Humid In maj?
Air feels constantly thick in Grindavík: 77% humidity is the norm in May.
Wind In Grindavík In maj
Expect a breezy May in Grindavík — winds average 29 kph.
Cloud Cover In Grindavík In maj
Cloudy skies dominate Grindavík in May — averaging 73% cloud cover.
Cities With Similar Weather In maj
Weather in Grindavík, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 3°C / -1°C | 137mm | Details → |
| Vädret i februari | 4°C / 0°C | 138mm | Details → |
| Vädret i mars | 4°C / 0°C | 125mm | Details → |
| Vädret i april | 6°C / 3°C | 126mm | Details → |
| Vädret i maj | 8°C / 5°C | 125mm | |
| Vädret i juni | 10°C / 8°C | 96mm | Details → |
| Vädret i juli | 12°C / 9°C | 93mm | Details → |
| Vädret i augusti | 12°C / 9°C | 111mm | Details → |
| Vädret i september | 10°C / 7°C | 147mm | Details → |
| Vädret i oktober | 8°C / 5°C | 152mm | Details → |
| Vädret i november | 5°C / 2°C | 127mm | Details → |
| Vädret i december | 3°C / 0°C | 126mm | Details → |