Last updated: March 2, 2024
The weather in Portmarnock, Ireland, during July is characterized by an average temperature of 16°C (62°F). Highs can soar to 24°C (75°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Portmarnock throughout July hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In July, Portmarnock averages 73 mm (2.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 16 hours 24 minutes of daylight, with the sun shining for approximately 12 hours 10 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In July, the UV Index in Portmarnock reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||