Last updated: June 24, 2025
In April, the average temperature in Hartwell, United States hovers around 17°C (63°F), making it a pleasant time to explore. However, be prepared for fluctuations, as temperatures can dip as low as 0°C (33°F) and soar up to 30°C (87°F). Expect a fair amount of moisture with average precipitation reaching 115 mm (4.5 in) over about 9 days, and keep in mind that the average humidity is relatively high at 82%. Enjoy the unique climate while planning your activities!
In April in Hartwell, the average temperature is 17°C (63°F), with maximums reaching 30°C (87°F) and minimums dropping as low as 0°C (33°F). This variability in temperature makes it essential for travelers to pack layers to stay comfortable during their visit.
In Hartwell in April, the precipitation amount is 115 mm (4.5 in) over the course of 9 days, indicating a relatively wet period for the region.
In Hartwell in April, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.
In Hartwell in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hartwell.
UV Risk Categories
Weather in Hartwell varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hartwell, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (46°F) | 105 mm (4.1 inches) | 86% | moderate |
| February Weather | 10°C (51°F) | 138 mm (5.4 inches) | 86% | high |
| March Weather | 13°C (56°F) | 110 mm (4.3 inches) | 86% | very high |
| April Weather | 17°C (63°F) | 115 mm (4.5 inches) | 82% | very high |
| May Weather | 22°C (72°F) | 131 mm (5.2 inches) | 85% | extreme |
| June Weather | 25°C (77°F) | 103 mm (4.1 inches) | 85% | extreme |
| July Weather | 27°C (81°F) | 105 mm (4.1 inches) | 83% | extreme |
| August Weather | 26°C (80°F) | 128 mm (5.1 inches) | 76% | very high |
| September Weather | 24°C (76°F) | 118 mm (4.7 inches) | 76% | very high |
| October Weather | 19°C (67°F) | 125 mm (4.9 inches) | 80% | very high |
| November Weather | 12°C (53°F) | 85 mm (3.4 inches) | 88% | high |
| December Weather | 9°C (49°F) | 128 mm (5.1 inches) | 88% | moderate |