Plano, Texas boasts a mild climate with distinct four seasons, featuring annual temperatures and precipitation.

The average high temperature in January is about 50°F (10°C), with a low of around 30°F (-1°C). Precipitation is about 1.7 inches (43mm), with relatively moderate rain during winter. In February, temperatures remain similar, with a high of 55°F (13°C) and a low of 34°F (1°C). Precipitation is about 1.9 inches (48mm), still reflecting the winter season.

Starting in March, spring begins, and temperatures rise. The average high in March is 65°F (18°C), with a low of 44°F (7°C). Precipitation is 3.5 inches (89mm), with frequent spring rains. In April and May, temperatures continue to rise, with an average high of 85°F (29°C) and a low of 64°F (18°C) in May, signaling the approach of summer. During this period, precipitation is relatively high at 4.8 inches (122mm).

From June to August, summer arrives, with many days exceeding 90°F (32°C). July and August are particularly hot, with highs around 96°F (36°C) and lows of 75°F (24°C). Precipitation remains consistent at about 3.5 inches (89mm) each month, although there are many dry days.

Starting in September, temperatures gradually decrease, with an average high of 88°F (31°C) and a low of 64°F (18°C) in September. Precipitation is 3.5 inches (89mm), with frequent autumn rains. In October and November, temperatures drop further, with an average high of 75°F (24°C) and a low of 52°F (11°C) in October, providing pleasant weather. Precipitation continues to hold steady at 3.5 inches (89mm).

In December, winter begins, and temperatures drop again. The average high in December is 54°F (12°C), with a low of around 34°F (1°C), and precipitation is 2.4 inches (61mm), marking the start of winter rains. Snow is rare during this time due to Texas's characteristics.

Plano maintains a warm climate year-round, with evenly distributed precipitation, making it suitable for various outdoor activities.