The climates are Mediterranean with mild temperatures. Sunny weather prevails during the afternoons. Occasionally, temperatures may rise to 90 F in later summer and fall. In winter, when much of the rest of the nation is chopping ice and shoveling snow, Point Mugu enjoys typical temperatures ranging from the 40s to 60s with warm days getting up into the 70s and 80s. Freezing temperatures have never been recorded at San Nicolas Island, and occurrences are very rare at Point Mugu.
Sunny weather prevails both morning and afternoon during the winter, spring, and fall.
As has been demonstrated in every recent military conflict, weather plays an important role in determining which weapons are most effective in a given scenario.