Last updated: June 24, 2025
In Pleasant Hill, United States, the average temperature in January hovers around 11°C (52°F). Be prepared for a range that can dip as low as -9°C (16°F) or soar to a pleasant 28°C (83°F). This month also brings 108 mm (4.3 in) of precipitation over approximately 9 days, coupled with an average humidity of 81%.
In January in Pleasant Hill, the average temperature is 11°C (52°F). The maximum can reach 28°C (83°F) and the minimum can be as low as -9°C (16°F). Be prepared for a wide range of temperatures while packing for your trip to Pleasant Hill during this month.
In Pleasant Hill in January, the precipitation amount is 108 mm (4.3 in) spread over 9 days.
In Pleasant Hill in January humidity is 81%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor excursions quite uncomfortable, causing a muggy heaviness that dampens clothes and leaves travelers longing for dryer weather.
In Pleasant Hill in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Pleasant Hill.
UV Risk Categories
Weather in Pleasant Hill varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Pleasant Hill, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 11°C (52°F) | 108 mm (4.3 inches) | 81% | moderate |
February Weather | 13°C (55°F) | 124 mm (4.9 inches) | 81% | very high |
March Weather | 18°C (64°F) | 102 mm (4.0 inches) | 79% | very high |
April Weather | 20°C (67°F) | 139 mm (5.5 inches) | 80% | very high |
May Weather | 24°C (76°F) | 166 mm (6.5 inches) | 81% | extreme |
June Weather | 27°C (81°F) | 138 mm (5.4 inches) | 76% | extreme |
July Weather | 28°C (84°F) | 98 mm (3.9 inches) | 73% | extreme |
August Weather | 29°C (84°F) | 167 mm (6.6 inches) | 71% | extreme |
September Weather | 26°C (80°F) | 158 mm (6.2 inches) | 72% | very high |
October Weather | 21°C (70°F) | 113 mm (4.5 inches) | 73% | very high |
November Weather | 15°C (60°F) | 72 mm (2.8 inches) | 83% | high |
December Weather | 13°C (55°F) | 117 mm (4.6 inches) | 88% | moderate |