Last updated: June 24, 2025
In May, the average temperature in Harvey, United States hovers around 13°C (55°F). Expect a range of temperatures, with minimums dipping to -4°C (25°F) and maximums soaring to 32°C (89°F). This month, you can also anticipate 41 mm (1.6 in) of precipitation spread over 8 days, accompanied by an average humidity of 76%.
In May in Harvey, the average temperature is 13°C (55°F), with maximums reaching 32°C (89°F) and minimums dipping as low as -4°C (25°F). This range makes it essential for travelers to pack versatile clothing to accommodate both warm afternoons and chilly evenings.
In Harvey in May, the total precipitation amount is 41 mm (1.6 in) occurring over the course of 8 days.
In Harvey in May humidity is 76%. With an average temperature of 13°C (55°F), this humidity feels like a damp, heavy blanket enveloping you, making it feel cooler than it actually is, which can be quite refreshing for short excursions but may also lead to discomfort during prolonged outdoor activities.
In Harvey in May, 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 Harvey.
UV Risk Categories
Weather in Harvey varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Harvey, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (12°F) | 15 mm (0.6 inches) | 84% | low |
| February Weather | -13°C (9°F) | 19 mm (0.7 inches) | 88% | moderate |
| March Weather | -3°C (27°F) | 25 mm (1.0 inches) | 78% | moderate |
| April Weather | 3°C (38°F) | 30 mm (1.2 inches) | 75% | very high |
| May Weather | 13°C (55°F) | 41 mm (1.6 inches) | 76% | very high |
| June Weather | 20°C (68°F) | 72 mm (2.9 inches) | 79% | very high |
| July Weather | 22°C (71°F) | 71 mm (2.8 inches) | 78% | very high |
| August Weather | 20°C (68°F) | 70 mm (2.7 inches) | 78% | very high |
| September Weather | 15°C (59°F) | 58 mm (2.3 inches) | 69% | high |
| October Weather | 6°C (43°F) | 59 mm (2.3 inches) | 71% | moderate |
| November Weather | -2°C (28°F) | 23 mm (0.9 inches) | 82% | moderate |
| December Weather | -8°C (18°F) | 27 mm (1.1 inches) | 84% | low |