Last updated: June 24, 2025
In October, the average temperature in Mountain View, United States hovers around 17°C (62°F). Expect a range from a chilly -2°C (28°F) to a sweltering 34°C (93°F), making it essential to prepare for anything! With an average precipitation of 103 mm (4.1 in) spread over 9 days, you might want to keep an umbrella handy. Don't forget, the average humidity reaches a comfortable 76%, creating a pleasantly balmy atmosphere.
In October in Mountain View, the average temperature is 17°C (62°F). Maximum temperatures can reach 34°C (93°F), while minimums can dip as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling during this time.
In Mountain View in October, the precipitation amount is 103 mm (4.1 in) distributed over 9 days.
In Mountain View in October, humidity is 76%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping embrace, making travel feel slightly more challenging as it can lead to a sticky discomfort, especially during outdoor excursions.
In Mountain View in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Mountain View.
UV Risk Categories
Weather in Mountain View varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Mountain View, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 78 mm (3.1 inches) | 84% | moderate |
| February Weather | 6°C (42°F) | 131 mm (5.2 inches) | 83% | high |
| March Weather | 11°C (53°F) | 137 mm (5.4 inches) | 81% | very high |
| April Weather | 15°C (59°F) | 144 mm (5.7 inches) | 81% | very high |
| May Weather | 20°C (69°F) | 174 mm (6.9 inches) | 83% | extreme |
| June Weather | 25°C (77°F) | 100 mm (3.9 inches) | 83% | extreme |
| July Weather | 27°C (81°F) | 89 mm (3.5 inches) | 81% | extreme |
| August Weather | 26°C (79°F) | 116 mm (4.6 inches) | 74% | very high |
| September Weather | 23°C (75°F) | 82 mm (3.2 inches) | 71% | very high |
| October Weather | 17°C (62°F) | 103 mm (4.1 inches) | 76% | high |
| November Weather | 9°C (49°F) | 77 mm (3.0 inches) | 84% | moderate |
| December Weather | 7°C (45°F) | 97 mm (3.8 inches) | 88% | moderate |