| Local Time | Sa May 18 | Su May 19 | Mo May 20 | Tu May 21 |
| UV index | 2 | 1 | 2 | 2 |
The strength of the sun's ultraviolet (UV) radiation is expressed as a Solar UV Index or Sun Index.The UV Index does not exceed 8 in the UK (8 is rare; 7 may occur on exceptional days, mostly in the two weeks around the summer solstice). Indices of 9 and 10 are common in the Mediterranean area. The Sun Index forecast refers to the daily maximum. |
| Nearby Weather Stations - Arthur's Pass | Distance |
| Hokitika Airport | 71.6 km |
| Christchurch Airport | 121.0 km |
| Christchurch Airport | 124.3 km |
| Westport Airport | 132.1 km |
| Timaru Airport | 154.0 km |
| Kaikōura Airport | 241.1 km |
| Tara Hills AWS | 254.6 km |
| Nelson Airport | 262.5 km |
| Haast | 302.9 km |
| Farewell Spit AWS | 307.5 km |
| Cape Campbell AWS | 330.5 km |
| Dunedin | 360.6 km |
| Queenstown Airport | 387.8 km |
| Wellington Airport | 401.8 km |
| Kapiti Coast Airport | 442.6 km |
| Invercargill Airport | 520.8 km |
| New Plymouth Airport | 523.9 km |
| Palmerston North Airport | 535.9 km |
| Waiouru Airstrip | 598.0 km |
