Roswell weather by month & the best time to visit
United States · small town · cold desert climate

The best time to visit Roswell is March — its sunniest month (Sunshine Score 97/100), with April and May close behind. Roswell averages about 3,563 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 15 mm of rain in March.
When is the best time to visit Roswell?
For sunshine, the best time to visit Roswell is March, then April and May. The dullest month is January (41/100, 9 mm of rain). The full month-by-month picture is in the table below.
How sunny is Roswell?
Roswell is one of the sunniest places on Earth: about 3,563 hours of sunshine a year. 56 Sunshine Score points separate March (97) from January (41), so the month you pick matters. It ranks #31 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around August, carries about 50% of the annual 313 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 41 | 13° / 55°F | -2° / 28°F | 9 mm | 3 |
| February | 65 | 16° / 61°F | 0° / 32°F | 10 mm | 5 |
| March | 97 | 21° / 70°F | 5° / 41°F | 15 mm | 7 |
| April | 97 | 27° / 81°F | 9° / 48°F | 14 mm | 9 |
| May | 95 | 31° / 88°F | 14° / 57°F | 26 mm | 10 |
| June | 47 | 37° / 99°F | 20° / 68°F | 29 mm | 11 |
| July | 55 | 36° / 97°F | 22° / 72°F | 50 mm | 11 |
| August | 63 | 35° / 95°F | 21° / 70°F | 53 mm | 10 |
| September | 90 | 31° / 88°F | 17° / 63°F | 52 mm | 8 |
| October | 94 | 25° / 77°F | 10° / 50°F | 34 mm | 6 |
| November | 82 | 18° / 64°F | 3° / 37°F | 11 mm | 4 |
| December | 41 | 13° / 55°F | -1° / 30°F | 10 mm | 3 |
Nearest destinations
Roswell: questions and answers
What kind of destination is Roswell?
Roswell is a small town in United States at 1,113 m elevation with a cold desert climate.
How many hours of sunshine does Roswell get a year?
Roswell gets about 3,563 hours of sunshine a year, at its best around March.
When is the best time to visit Roswell?
The sunniest time to visit Roswell is March, when the Sunshine Score peaks at 97/100 (with April and May close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Roswell?
January is the least sunny month in Roswell, scoring 41/100 with about 9 mm of rain.
How strong is the sun in Roswell?
The typical midday UV index in Roswell peaks around 11 (extreme) in June, easing to about 3 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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