Roswell, New Mexico Climate by Month
Roswell, New Mexico, United States
Very hot summers and cold winters, with little rain.
Very hot summers and cold winters, with little rain: that's Roswell's climate in short. July is the warmest month, with highs around 96°F (36°C); January is the coolest at 57°F (14°C), and nights dip to 26°F (-3°C). It gets only 11 in (279 mm) of rain a year. January and February are almost completely dry. The air is dry, averaging 42% relative humidity.
- Warmest month
- 96°F(36°C)
- Average high, July
- Coldest nights
- 26°F(-3°C)
- Average low, January
- Rain per year
- 11 in(279 mm)
- No clear rainy season
- Humidity
- 42%
- Sunniest: June
Best and worst months in Roswell
Best for weatherMarch, April and October are the best time for weather in Roswell: highs near 76°F (24°C) and about 0.7 in (18 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; July is the hottest, with highs of 96°F (36°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Roswell weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 57°F(14°C) | 26°F(-3°C) | 0.3 in(8 mm) | 45% | 3.1 |
| FebFebruary | 62°F(17°C) | 30°F(-1°C) | 0.3 in(8 mm) | 47% | 4.0 |
| MarMarchBest | 70°F(21°C) | 37°F(3°C) | 0.5 in(12 mm) | 36% | 5.3 |
| AprAprilBest | 78°F(26°C) | 44°F(7°C) | 0.6 in(14 mm) | 32% | 6.6 |
| MayMay | 87°F(31°C) | 55°F(13°C) | 1.0 in(25 mm) | 31% | 7.3 |
| JunJune | 95°F(35°C) | 64°F(18°C) | 1.1 in(28 mm) | 35% | 7.7 |
| JulJuly | 96°F(36°C) | 69°F(20°C) | 1.7 in(44 mm) | 42% | 7.2 |
| AugAugust | 94°F(35°C) | 67°F(20°C) | 1.9 in(48 mm) | 45% | 6.5 |
| SepSeptember | 88°F(31°C) | 60°F(16°C) | 1.6 in(40 mm) | 45% | 5.8 |
| OctOctoberBest | 78°F(26°C) | 47°F(9°C) | 1.1 in(28 mm) | 46% | 4.4 |
| NovNovember | 66°F(19°C) | 34°F(1°C) | 0.5 in(12 mm) | 49% | 3.4 |
| DecDecember | 57°F(14°C) | 26°F(-3°C) | 0.5 in(12 mm) | 56% | 2.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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