Last updated: June 24, 2025
In January, the average temperature in Hollister, United States is a pleasant 10°C (50°F), with temperatures ranging from a chilly -3°C (28°F) to a warm 23°C (74°F). You can expect about 99 mm (3.9 in) of precipitation over 8 days, while the average humidity lingers at a comfortable 82%.
In January in Hollister, the average temperature is 10°C (50°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -3°C (28°F). This range makes it a great time for travelers to pack layers and enjoy varied outdoor activities.
In Hollister in January, the precipitation amount is 99 mm (3.9 in) spread over 8 days.
In Hollister in January, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.
In Hollister 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 Hollister for better planning.
UV Risk Categories
Weather in Hollister varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Hollister, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 10°C (50°F) | 99 mm (3.9 inches) | 82% | moderate |
February Weather | 10°C (51°F) | 76 mm (3.0 inches) | 84% | moderate |
March Weather | 11°C (53°F) | 83 mm (3.3 inches) | 82% | very high |
April Weather | 13°C (56°F) | 26 mm (1.0 inches) | 78% | very high |
May Weather | 14°C (58°F) | 17 mm (0.7 inches) | 71% | extreme |
June Weather | 17°C (63°F) | 1 mm (0.0 inches) | 64% | extreme |
July Weather | 18°C (65°F) | 0 mm (0.0 inches) | 58% | extreme |
August Weather | 19°C (67°F) | 1 mm (0.0 inches) | 54% | very high |
September Weather | 18°C (65°F) | 5 mm (0.2 inches) | 55% | very high |
October Weather | 16°C (61°F) | 15 mm (0.6 inches) | 62% | high |
November Weather | 13°C (55°F) | 32 mm (1.3 inches) | 78% | moderate |
December Weather | 10°C (50°F) | 83 mm (3.3 inches) | 80% | moderate |