Last updated: June 24, 2025
In May, the average temperature in Pasadena Hills, United States hovers around 20°C (68°F), offering a pleasant climate for outdoor activities. Temperatures can fluctuate, with a minimum low of 4°C (40°F) and a maximum high reaching 34°C (94°F). Be prepared for some rain, as the area receives approximately 145 mm (5.7 in) of precipitation over 14 days. With an average humidity level of 82%, the air can feel quite moist, making it essential to stay hydrated during your visit!
In May in Pasadena Hills, the average temperature is 20°C (68°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 4°C (40°F). This diverse temperature range makes Pasadena Hills an ideal destination for travelers who enjoy a mix of warm and cool weather experiences.
In Pasadena Hills in May, the total precipitation amount is 145 mm (5.7 in) over a span of 14 days.
In Pasadena Hills in May humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.
In Pasadena Hills in May, 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 Pasadena Hills.
UV Risk Categories
Weather in Pasadena Hills varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Pasadena Hills, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 76 mm (3.0 inches) | 82% | moderate |
| February Weather | 2°C (35°F) | 80 mm (3.2 inches) | 80% | moderate |
| March Weather | 8°C (47°F) | 131 mm (5.2 inches) | 80% | high |
| April Weather | 13°C (55°F) | 129 mm (5.1 inches) | 80% | very high |
| May Weather | 20°C (68°F) | 145 mm (5.7 inches) | 82% | very high |
| June Weather | 25°C (77°F) | 101 mm (4.0 inches) | 83% | extreme |
| July Weather | 26°C (80°F) | 97 mm (3.8 inches) | 81% | very high |
| August Weather | 25°C (76°F) | 130 mm (5.1 inches) | 80% | very high |
| September Weather | 22°C (73°F) | 56 mm (2.2 inches) | 76% | very high |
| October Weather | 15°C (59°F) | 105 mm (4.1 inches) | 76% | high |
| November Weather | 7°C (44°F) | 75 mm (2.9 inches) | 85% | moderate |
| December Weather | 4°C (39°F) | 59 mm (2.3 inches) | 86% | moderate |