Last updated: June 24, 2025
In October, the average temperature in Mountain View, United States hovers around 24°C (76°F). Temperatures can dip to a comfortable 19°C (67°F) at night, while sunny days may reach a maximum of 30°C (86°F). However, be prepared for potential rain, as the area receives about 137 mm (5.4 in) of precipitation over 20 days. With an average humidity of 83%, expect a warm and slightly humid atmosphere throughout the month!
In October in Mountain View, the average temperature is 24°C (76°F), with maximums reaching up to 30°C (86°F) and minimums dipping to as low as 19°C (67°F). This pleasant climate makes it an ideal time for traveling and enjoying outdoor activities in Mountain View.
In Mountain View in October, the total precipitation amount reaches 137 mm (5.4 in) over the course of 20 days.
In Mountain View in October, humidity is 83%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and possibly causing travelers to sweat more quickly, prompting frequent breaks in shaded areas or the search for refreshing beverages.
In Mountain View in October, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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 | 22°C (71°F) | 118 mm (4.7 inches) | 79% | very high |
| February Weather | 21°C (71°F) | 209 mm (8.2 inches) | 79% | extreme |
| March Weather | 22°C (71°F) | 154 mm (6.0 inches) | 77% | extreme |
| April Weather | 22°C (73°F) | 117 mm (4.6 inches) | 80% | extreme |
| May Weather | 23°C (74°F) | 127 mm (5.0 inches) | 80% | extreme |
| June Weather | 24°C (75°F) | 90 mm (3.5 inches) | 82% | extreme |
| July Weather | 24°C (76°F) | 97 mm (3.8 inches) | 83% | extreme |
| August Weather | 25°C (77°F) | 188 mm (7.4 inches) | 84% | extreme |
| September Weather | 25°C (77°F) | 93 mm (3.7 inches) | 82% | extreme |
| October Weather | 24°C (76°F) | 137 mm (5.4 inches) | 83% | extreme |
| November Weather | 23°C (74°F) | 108 mm (4.2 inches) | 83% | very high |
| December Weather | 22°C (72°F) | 180 mm (7.1 inches) | 81% | very high |