Last updated: June 24, 2025
In December, the average temperature in Pittsburg, United States hovers around 11°C (52°F), with extremes ranging from a chilly -4°C (26°F) to a warm 28°C (82°F). Prepare for some rainy days, as the total precipitation can reach 116 mm (4.6 in) over the course of 7 days. Don't forget your umbrella! With an average humidity of 87%, the climate can feel quite damp, so be sure to dress accordingly.
In December in Pittsburg, the average temperature is 11°C (52°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -4°C (26°F). It's advisable to pack layers to stay comfortable during your travels.
In Pittsburg in December, the total precipitation amount is 116 mm (4.6 in) accumulated over a span of 7 days.
In Pittsburg in December, humidity is 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down while exploring the area.
In Pittsburg in December, 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 Pittsburg for better planning.
UV Risk Categories
Weather in Pittsburg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Pittsburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 8°C (47°F) | 106 mm (4.2 inches) | 80% | moderate |
February Weather | 10°C (50°F) | 147 mm (5.8 inches) | 79% | high |
March Weather | 15°C (60°F) | 131 mm (5.2 inches) | 78% | very high |
April Weather | 18°C (64°F) | 173 mm (6.8 inches) | 78% | very high |
May Weather | 23°C (74°F) | 160 mm (6.3 inches) | 81% | extreme |
June Weather | 27°C (80°F) | 97 mm (3.8 inches) | 78% | extreme |
July Weather | 29°C (84°F) | 79 mm (3.1 inches) | 73% | extreme |
August Weather | 29°C (84°F) | 80 mm (3.1 inches) | 66% | extreme |
September Weather | 26°C (79°F) | 96 mm (3.8 inches) | 65% | very high |
October Weather | 20°C (68°F) | 120 mm (4.7 inches) | 72% | very high |
November Weather | 13°C (56°F) | 70 mm (2.8 inches) | 82% | high |
December Weather | 11°C (52°F) | 116 mm (4.6 inches) | 87% | moderate |