Last updated: June 24, 2025
In May, the average temperature in Pomona, United States is a comfortable 19°C (67°F), with a minimum of 2°C (36°F) and a maximum reaching up to 33°C (92°F). Visitors can expect 187 mm (7.4 in) of precipitation spread over 15 days, contributing to an average humidity of 83%. 🌦️ Stay prepared and enjoy the unique weather of this vibrant destination!
In May in Pomona, the average temperature is 19°C (67°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 2°C (36°F). This range makes it a great time to visit for those who enjoy mild weather but should be prepared for both warm days and cooler nights.
In Pomona in May, the precipitation amount is 187 mm (7.4 in) over a span of 15 days.
In Pomona in May humidity is 83%. With an average temperature of 19°C (67°F), this humidity feels like a warm, tropical blanket wrapping around you, making traveling feel a bit sluggish and sticky, yet still inviting as long as you stay hydrated and take breaks in the shade.
In Pomona in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Pomona.
UV Risk Categories
Weather in Pomona varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Pomona, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (36°F) | 84 mm (3.3 inches) | 83% | moderate |
February Weather | 4°C (39°F) | 113 mm (4.4 inches) | 81% | high |
March Weather | 10°C (50°F) | 153 mm (6.0 inches) | 80% | high |
April Weather | 13°C (56°F) | 163 mm (6.4 inches) | 80% | very high |
May Weather | 19°C (67°F) | 187 mm (7.4 inches) | 83% | extreme |
June Weather | 24°C (75°F) | 79 mm (3.1 inches) | 83% | extreme |
July Weather | 26°C (79°F) | 77 mm (3.0 inches) | 76% | extreme |
August Weather | 25°C (77°F) | 109 mm (4.3 inches) | 69% | very high |
September Weather | 23°C (73°F) | 50 mm (2.0 inches) | 68% | very high |
October Weather | 15°C (60°F) | 127 mm (5.0 inches) | 72% | high |
November Weather | 8°C (46°F) | 76 mm (3.0 inches) | 83% | moderate |
December Weather | 5°C (42°F) | 77 mm (3.0 inches) | 86% | moderate |