Last updated: March 2, 2024
The weather in Greymouth, New Zealand, during January is characterized by an average temperature of 16°C (62°F). Highs can soar to 24°C (75°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Greymouth throughout January hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Greymouth averages 202 mm (7.9 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 14 hours 52 minutes of daylight, with the sun shining for approximately 7 hours 58 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Greymouth reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 3 | 6 | 9 | 11 | 13 | 13 | 11 | 9 | 6 | 3 | 2 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||