Last updated: June 24, 2025
In April, the average temperature in New Castle Northwest, United States hovers around 10°C (50°F), with extremes reaching a chilly -5°C (23°F) at night and a pleasant 28°C (83°F) during the day. This month sees an average precipitation of 139 mm (5.5 in) spread over 16 days, contributing to a notably high average humidity of 87%. Be prepared for a mix of wet and mild weather!
In April in New Castle Northwest, the average temperature is 10°C (50°F). Maximums can reach 28°C (83°F), while minimums can be as low as -5°C (23°F). This makes it a diverse month for travelers, with the potential for both warm and chilly experiences, so be sure to pack accordingly!
In New Castle Northwest in April, the total precipitation amount is 139 mm (5.5 in) spread over 16 days.
In New Castle Northwest in April humidity is 87%. With an average temperature of 10°C (50°F), this humidity feels like a heavy cloak wrapping around you, making every step feel laborious and the air thick with moisture, challenging your comfort while traveling.
In New Castle Northwest in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in New Castle Northwest.
UV Risk Categories
Weather in New Castle Northwest varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in New Castle Northwest, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 98 mm (3.9 inches) | 88% | moderate |
| February Weather | 0°C (33°F) | 111 mm (4.4 inches) | 88% | moderate |
| March Weather | 4°C (40°F) | 108 mm (4.3 inches) | 87% | high |
| April Weather | 10°C (50°F) | 139 mm (5.5 inches) | 87% | very high |
| May Weather | 16°C (61°F) | 141 mm (5.6 inches) | 81% | very high |
| June Weather | 20°C (69°F) | 138 mm (5.4 inches) | 83% | very high |
| July Weather | 23°C (74°F) | 141 mm (5.5 inches) | 82% | very high |
| August Weather | 22°C (72°F) | 99 mm (3.9 inches) | 76% | very high |
| September Weather | 19°C (66°F) | 115 mm (4.5 inches) | 77% | very high |
| October Weather | 13°C (56°F) | 125 mm (4.9 inches) | 82% | high |
| November Weather | 5°C (41°F) | 103 mm (4.0 inches) | 89% | moderate |
| December Weather | 1°C (35°F) | 103 mm (4.0 inches) | 86% | low |