Roswell, NM has a semi-arid climate characterized by hot, dry summers and mild winters. The average temperature in the summer is typically around 90°F with very low humidity levels. In the winter, temperatures tend to be more mild and range from the high 40s to mid 60s during the day. Rainfall is limited, averaging just over 11 inches annually, so most of the precipitation that Roswell receives falls as snow in the winter months.
Roswell, New Mexico gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Roswell averages 9 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 279 sunny days per year in Roswell. The US average is 205 sunny days.
Roswell gets some kind of precipitation, on average, 55 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 94 degrees
Winter Low: the January low is 23
Rain: averages 15 inches of rain a year
Snow: averages 9 inches of snow a year