Last updated: March 2, 2024
The weather in Whanganui, New Zealand, during January is characterized by an average temperature of 18°C (64°F). Highs can soar to 22°C (72°F), while lows may dip to 13°C (55°F). Typically, the humidity level in Whanganui throughout January hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Whanganui averages 61 mm (2.4 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 14 hours 37 minutes of daylight, with the sun shining for approximately 8 hours 55 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Whanganui 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 | 4 | 7 | 10 | 12 | 13 | 13 | 11 | 8 | 5 | 3 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||