Historical weather data, all-time temperature records, and monthly climate averages for Adelanto, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Adelanto is reliably dry, with zero historical chance of rain or snow across 21 years of data. Expect a mild desert spring day — average highs sit at 71° with lows around 43°. That said, this date has swung wildly before, from a scorching 94° in 1961 to a hard freeze at 30° in 1970.
Adelanto plays for keeps on the extremes — the Mojave Desert location has sent temperatures as high as 110° in June 1961 and as low as 9° in January 1963, a 101-degree spread. Even precipitation shows up dramatically when it bothers at all, with a single January day in 1964 dumping 1.73 inches and a 1957 snowstorm piling on 9 inches.
Adelanto is a classic high desert: blazing summers, cool winters, and dry nearly year-round. Peak heat arrives mid-July with average highs of 98°, while early January cools to a modest 55°. If you're chasing the best odds for wet weather, mid-January is your window — though even then, expect only about a quarter inch on average.