Roswell (NM) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Roswell.
Climate overview of Roswell
Roswell, New Mexico, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 36°C (97°F) in June, while winters cool to 13°C (55°F) in December.
The city has a relatively dry climate, receiving around 337 mm (13 in) of rain/snowfall per year. It does experience a distinct dry season from October to June, with very hot summers and mild winters. September is the wettest month and November the driest. The most sunshine falls in May, with an average of 11.4 hours of daily sunshine.
Roswell Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Roswell - and find the best time to visit.
Monthly Temperature in Roswell
Depending on the time of the year, temperatures range from very hot to moderate in Roswell. On average, daytime temperatures range from a very hot 36°C (97°F) in June to a moderate 13°C (55°F) in December.
Nighttime temperatures range from 19°C (66°F) in June to -6°C (21°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Roswell
Roswell maintains relatively dry conditions year-round, recording average annual precipitation of 337 mm (13 in). The seasons in Roswell bring significant changes in precipitation. The wettest month, September, receives moderate rainfall, with an average of 64 mm (2.5 in) of precipitation. This rainfall is distributed across 8 rainy days.
In contrast, the driest month, November, experiences much less rainfall, totaling 7.4 mm (0.3 in) over 3 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Roswell Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Roswell
In Roswell, summer days are longer and more sunny, with daily sunshine hours peaking at 11.4 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 6.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Roswell by Month
The relative humidity is moderate throughout the year in Roswell.
The city experiences its highest humidity in September, reaching 57%. In April, the humidity drops to its lowest level at 35%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Roswell
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, April, May, October and November
- Warmest weather: June and July
- Most sunshine: May and July
- Seasonal pattern: A distinct dry season from October to June, with very hot summers and mild winters
- Coldest conditions: December, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Roswell
What is the best time to visit Roswell?
March, April, May, October and November typically offer the most optimal weather in Roswell. In contrast, June, July and August tend to have less optimal conditions. Roswell has a distinct dry season from October to June, with very hot summers and mild winters.
What temperatures can I expect in Roswell?
Daytime highs range from 13°C (55°F) in December to 36°C (97°F) in June. Nighttime lows range from -6°C (21°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Roswell get?
Annual rainfall is around 337 mm (13 in). September is the wettest month with 64 mm (2.5 in), while November is the driest with 7.4 mm (0.3 in).
How sunny is Roswell?
Roswell receives around 3,195 hours of sunshine per year. May is the sunniest month with 342 hours, while December is the cloudiest with just 208 hours. Overall, Roswell enjoys abundant sunshine.
Roswell 3-Day Forecast
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