Roswell climate and temperatures

Climate type
Mediterranean
Best time to visit
September – November
Avg. temperature
14°C – 30°C
Annual rainfall
600 mm
Warmest month
August (35°C)
Coldest month
January (11°C)
Driest month
July (22 mm)
Wettest month
October (84 mm)

The climate of Roswell is a hot semi-arid (steppe) climate (Köppen: BSh), hot with low precipitation. Monthly temperatures range from a minimum of 14°C in winter (December–February) to a maximum of 36°C in summer (June–August). The average annual temperature is around 26°C.

During the winter months, nighttime temperatures can drop to an average of -2°C, while summer nights average around 21°C.

Climate table of Roswell

The climate table below gives you a clear overview of the climate in Roswell by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 14 16 17 19 23 27 30 30 27 23 18 16
Temp. min (°C) 6 7 9 11 15 19 22 22 19 15 10 7
Rainfall
Droplet
Droplet
Droplet
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Rainfall (mm) 46 34 46 64 43 23 22 75 77 84 61 25
UV index 4 5 6 7 8 8 8 8 6 5 4 4

Best time to visit Roswell

The best time to visit Roswell is March en April. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between March and April, average high temperatures range roughly from 22°C to 27°C, while rainfall remains limited. For a sun or beach holiday, April are the most suitable months. It is often warm to hot and relatively dry during this time. For a city trip, round trip, or active holiday, March, April en November are often more comfortable, as it is warm without the heat becoming too intense. The warmest month is June, with an average daytime temperature of around 36°C. The driest month is January, with about 9 mm of rainfall, while October is usually the wettest month of the year, with approximately 74 mm. Snow is rare here, but may occasionally fall in November, December, February en January.

Average temperature per month

This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Roswell. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.

Average rainfall per month

This chart shows the average monthly rainfall in Roswell. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.

Average UV index per month

This chart shows the average monthly sun intensity in Roswell. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.

Average annual temperature

This chart shows the average annual temperature in Roswell based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.

Average annual rainfall

This chart shows the average annual rainfall in Roswell over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.

Weather experiences in Roswell

The weather in Roswell is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Roswell? Share your experience with the weather to help other visitors plan their trip.

Average weather per month

Click on a month below and discover what the weather in Roswell is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.