Last updated: June 24, 2025
In January, the average temperature in Monterey, United States hovers around -1°C (31°F), with minimums dipping as low as -25°C (-13°F) and maximums reaching up to 17°C (63°F). This chilly month brings 76 mm (3.0 in) of precipitation spread over 11 days, while humidity levels rise to a notable 86%, creating a crisp and damp atmosphere.
In January in Monterey, the average temperature is -1°C (31°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -25°C (-13°F). Be prepared for a wide range of temperatures when traveling during this month, as the weather can vary significantly from day to night.
In Monterey in January, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 days.
In Monterey in January humidity is 86%. With an average temperature of -1°C (31°F), this humidity feels like an eerie chill enveloping you, making travel uncomfortable as the damp air bites into your skin and the cold seeps through even the warmest of clothes, creating an atmosphere that is heavy and uninviting.
In Monterey in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Monterey, you can check the information here.
UV Risk Categories
Weather in Monterey varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Monterey, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (31°F) | 76 mm (3.0 inches) | 86% | moderate |
February Weather | 2°C (36°F) | 115 mm (4.5 inches) | 86% | high |
March Weather | 5°C (41°F) | 86 mm (3.4 inches) | 86% | very high |
April Weather | 10°C (50°F) | 126 mm (5.0 inches) | 84% | very high |
May Weather | 15°C (60°F) | 151 mm (5.9 inches) | 78% | extreme |
June Weather | 19°C (66°F) | 107 mm (4.2 inches) | 79% | extreme |
July Weather | 21°C (70°F) | 86 mm (3.4 inches) | 70% | extreme |
August Weather | 20°C (68°F) | 129 mm (5.1 inches) | 59% | very high |
September Weather | 17°C (64°F) | 117 mm (4.6 inches) | 68% | very high |
October Weather | 12°C (54°F) | 115 mm (4.5 inches) | 80% | high |
November Weather | 4°C (40°F) | 72 mm (2.8 inches) | 86% | moderate |
December Weather | 2°C (35°F) | 96 mm (3.8 inches) | 85% | moderate |