Last updated: June 24, 2025
In May, the average temperature in Valley Center, United States hovers around 19°C (66°F). Expect minimums as cool as 4°C (39°F) and highs reaching up to 35°C (96°F). Precipitation can be significant, totaling 176 mm (6.9 in) over about 14 days, while the average humidity sits at a comfortable 83%.
In May in Valley Center, the average temperature is 19°C (66°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 4°C (39°F). Be prepared for varying temperatures, making it a great time to experience diverse weather conditions while traveling.
In Valley Center in May, the precipitation amount is 176 mm (6.9 in) over a period of 14 days.
In Valley Center in May, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.
In Valley Center 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 Valley Center.
UV Risk Categories
Weather in Valley Center varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Valley Center, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (34°F) | 38 mm (1.5 inches) | 77% | moderate |
February Weather | 1°C (35°F) | 33 mm (1.3 inches) | 76% | high |
March Weather | 9°C (49°F) | 85 mm (3.4 inches) | 71% | high |
April Weather | 13°C (56°F) | 82 mm (3.2 inches) | 73% | very high |
May Weather | 19°C (66°F) | 176 mm (6.9 inches) | 83% | very high |
June Weather | 25°C (78°F) | 105 mm (4.1 inches) | 83% | extreme |
July Weather | 27°C (81°F) | 76 mm (3.0 inches) | 81% | extreme |
August Weather | 25°C (78°F) | 100 mm (4.0 inches) | 73% | very high |
September Weather | 23°C (73°F) | 83 mm (3.3 inches) | 67% | very high |
October Weather | 14°C (58°F) | 114 mm (4.5 inches) | 72% | high |
November Weather | 8°C (46°F) | 26 mm (1.0 inches) | 82% | moderate |
December Weather | 4°C (39°F) | 32 mm (1.2 inches) | 85% | moderate |