Last updated: March 2, 2024
The weather in Castlebar, Ireland, during August is characterized by an average temperature of 15°C (59°F). Highs can soar to 21°C (71°F), while lows may dip to 8°C (46°F). Typically, the humidity level in Castlebar throughout August hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Castlebar averages 133 mm (5.3 inches) of rainfall, typically over the course of 21 rainy days. The month enjoys an average of 14 hours 42 minutes of daylight, with the sun shining for approximately 10 hours 46 minutes each day. Additionally, there is a 19% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Castlebar reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||