Last updated: March 2, 2024
The weather in Castle Hill, Australia, during January is characterized by an average temperature of 27°C (82°F). Highs can soar to 35°C (96°F), while lows may dip to 23°C (73°F). Typically, the humidity level in Castle Hill throughout January hovers around 76%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Castle Hill averages 290 mm (11.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 13 hours 8 minutes of daylight, with the sun shining for approximately 7 hours 40 minutes each day. Additionally, there is a 19% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Castle Hill reaches a maximum of 16, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 4 | 7 | 11 | 14 | 16 | 16 | 13 | 9 | 5 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||