Last updated: June 24, 2025
In January, the average temperature in Mountain View, United States is a brisk -6°C (22°F). Expect chilling minimums that can plunge to -30°C (-21°F), while the mercury may rise to a maximum of 10°C (51°F). Precipitation is modest, with about 30 mm (1.2 in) falling over 6 days, and be prepared for high humidity levels averaging 91%, adding to the wintery experience.
In January in Mountain View, the average temperature is -6°C (22°F). The maximum can reach 10°C (51°F), while the minimum can drop as low as -30°C (-21°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for the chilly weather.
In Mountain View in January, the total precipitation amount is 30 mm (1.2 in) spread across 6 days.
In Mountain View in January humidity is 91%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel challenging as the air feels dense and heavy, potentially making it more difficult to breathe and leaving a frosty mist on your skin.
In Mountain View in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Mountain View for better planning.
UV Risk Categories
Weather in Mountain View varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mountain View, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (22°F) | 30 mm (1.2 inches) | 91% | moderate |
| February Weather | -5°C (24°F) | 34 mm (1.3 inches) | 92% | high |
| March Weather | -1°C (31°F) | 67 mm (2.6 inches) | 84% | very high |
| April Weather | 4°C (39°F) | 50 mm (2.0 inches) | 74% | very high |
| May Weather | 9°C (49°F) | 67 mm (2.7 inches) | 62% | extreme |
| June Weather | 17°C (62°F) | 24 mm (0.9 inches) | 56% | extreme |
| July Weather | 21°C (70°F) | 15 mm (0.6 inches) | 44% | extreme |
| August Weather | 19°C (67°F) | 24 mm (0.9 inches) | 37% | extreme |
| September Weather | 14°C (58°F) | 29 mm (1.2 inches) | 46% | very high |
| October Weather | 5°C (42°F) | 30 mm (1.2 inches) | 67% | high |
| November Weather | 1°C (34°F) | 32 mm (1.2 inches) | 84% | moderate |
| December Weather | -5°C (23°F) | 31 mm (1.2 inches) | 88% | moderate |