Last updated: June 24, 2025
In Vista West, United States, the average temperature for May hovers around 10°C (51°F). However, be prepared for a broad range, with minimums plummeting to -13°C (8°F) and maximums reaching up to 29°C (85°F). During this month, expect 61 mm (2.4 in) of precipitation over approximately 11 days, contributing to an average humidity of 70%.
In May in Vista West, the average temperature is 10°C (51°F). Maximum can reach 29°C (85°F) and minimum can be as low as -13°C (8°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and cool clothing for your travels.
In Vista West in May, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.
In Vista West in May, humidity is 70%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that penetrates your layers, making outdoor adventures feel much colder than they appear and leaving you longing for a cozy café to escape the clammy air.
In Vista West 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 Vista West.
UV Risk Categories
Weather in Vista West varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Vista West, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 21 mm (0.8 inches) | 79% | moderate |
| February Weather | -7°C (19°F) | 28 mm (1.1 inches) | 81% | high |
| March Weather | 0°C (32°F) | 43 mm (1.7 inches) | 70% | high |
| April Weather | 4°C (40°F) | 54 mm (2.1 inches) | 67% | extreme |
| May Weather | 10°C (51°F) | 61 mm (2.4 inches) | 70% | very high |
| June Weather | 19°C (66°F) | 24 mm (1.0 inches) | 75% | extreme |
| July Weather | 23°C (74°F) | 11 mm (0.4 inches) | 76% | extreme |
| August Weather | 21°C (71°F) | 13 mm (0.5 inches) | 76% | extreme |
| September Weather | 16°C (61°F) | 24 mm (0.9 inches) | 72% | very high |
| October Weather | 5°C (42°F) | 38 mm (1.5 inches) | 70% | high |
| November Weather | 1°C (35°F) | 23 mm (0.9 inches) | 76% | moderate |
| December Weather | -4°C (24°F) | 25 mm (1.0 inches) | 81% | moderate |