Last updated: August 23, 2025
In Old Kilcullen, Ireland, the average temperature in April hovers around 8°C (47°F). However, be prepared for a range; temperatures can dip as low as -4°C (26°F) or soar up to 21°C (69°F). During this month, expect 55 mm (2.2 in) of precipitation spread over approximately 11 days, contributing to a relatively high average humidity of 85%.
In April in Old Kilcullen, the average temperature is 8°C (47°F). The maximum can reach 21°C (69°F), while the minimum can be as low as -4°C (26°F). This wide range of temperatures makes it essential for travelers to pack both warm clothing for the chilly days and lighter layers for the occasional warmer spells.
In Old Kilcullen, in April, the total precipitation amount is 55 mm (2.2 in) over the course of 11 days.
In Old Kilcullen in April humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.
In Old Kilcullen in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Old Kilcullen.
UV Risk Categories
Weather in Old Kilcullen varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Old Kilcullen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 58 mm (2.3 inches) | 85% | low |
| February Weather | 6°C (42°F) | 89 mm (3.5 inches) | 86% | low |
| March Weather | 6°C (44°F) | 83 mm (3.3 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 55 mm (2.2 inches) | 85% | moderate |
| May Weather | 11°C (52°F) | 70 mm (2.8 inches) | 83% | high |
| June Weather | 14°C (57°F) | 70 mm (2.7 inches) | 85% | very high |
| July Weather | 16°C (61°F) | 71 mm (2.8 inches) | 86% | very high |
| August Weather | 15°C (59°F) | 93 mm (3.7 inches) | 85% | high |
| September Weather | 13°C (56°F) | 67 mm (2.6 inches) | 86% | moderate |
| October Weather | 10°C (50°F) | 90 mm (3.5 inches) | 87% | moderate |
| November Weather | 7°C (45°F) | 91 mm (3.6 inches) | 86% | low |
| December Weather | 6°C (43°F) | 96 mm (3.8 inches) | 84% | low |