Henderson, Nevada's year-round climate reflects desert characteristics, with hot and dry summers and relatively mild winters. January starts with an average high of about 56°F (13°C) and a low of 34°F (1°C), with precipitation around 0.5 inches (13mm). In February, the high temperature rises to 61°F (16°C) and the low to 37°F (3°C), making it slightly warmer, with rainfall at 0.8 inches (20mm), one of the wettest times of the year.

In March and April, the average high temperatures gradually increase to 69°F (21°C) and 77°F (25°C), while the lows rise from 43°F (6°C) to 50°F (10°C). During this period, precipitation decreases from about 0.5 inches (13mm) to 0.2 inches (5mm). From May, summer begins, with high temperatures reaching 88°F (31°C) and lows at 60°F (16°C), while rainfall drops to 0.2 inches (5mm).

From June to August, summer temperatures soar, with average highs ranging from 99°F (37°C) to 104°F (40°C), and lows from 69°F (21°C) to 75°F (24°C), indicating very hot weather. Rainfall during this period remains very low, between 0.1 inches (3mm) and 0.5 inches (13mm).

Fall begins in September, with high temperatures at 94°F (34°C) and lows at 66°F (19°C), gradually cooling down, and rainfall at 0.3 inches (8mm). In October, the high temperature is 81°F (27°C) and the low is 54°F (12°C), providing pleasant weather, with precipitation around 0.3 inches (8mm).

In November, the high temperature drops to 66°F (19°C) and the low to 41°F (5°C), becoming cooler, with rainfall at about 0.4 inches (10mm). December marks the onset of winter, with an average high of 57°F (14°C), a low of 33°F (1°C), and precipitation at 0.4 inches (10mm) as the year comes to a close.

Henderson has an average annual rainfall of about 4.6 inches (117mm), making it a very dry area with mostly clear weather throughout the year. This climate provides an ideal environment for enjoying outdoor activities and recreation.