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Best time to visit Roswell, NM, USA

Our verdict

The best time to visit Roswell is September-October

Based on all the essential things any traveller needs to know about visiting Roswell such as the cost of travel, weather, peak travel seasons and many more, September-October is the best time of year to go.

The very hottest temperatures in Roswell get to around 34℃ (93℉) in the height of summer. In the winter, temperatures can get down to -4℃ (25℉) around January.

If you want to get the most out of your time visiting Roswell, or you’re just afraid of the dark, the days in July are usually the longest between sunrise and sunset. To stay dry, avoid travelling to Roswell in May – It’s the wettest month of the year.

Learn everything you need to know (and none of the stuff you don’t) about when to go to Roswell below. Be sure to check out the handy tools we’ve included to help you search for flights and transport, accommodation, and everything else you need to plan and book your trip.

Warmest month

July

Least rainfall

October

Most daylight

July

Roswell seasons

Before you continue, it’s important to know when the seasons are in Roswell as they might be different to yours depending on where in the world you’re travelling from. Roswell is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Roswell

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Roswell for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Roswell climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Roswell for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Roswell in January

  • Average temperature: 5℃ (41℉)
  • Average high temperature: 10℃ (49℉)
  • Average low temperature: 1℃ (34℉)
  • Average humidity: 73%
  • Average sunny days: 17 days
  • Average rainfall: 80mm (3") over 12 days
  • Average snow days: 2 days
17 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Roswell in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Roswell in February

  • Average temperature: 8℃ (46℉)
  • Average high temperature: 12℃ (54℉)
  • Average low temperature: 3℃ (38℉)
  • Average humidity: 75%
  • Average sunny days: 12 days
  • Average rainfall: 96mm (4") over 15 days
  • Average snow days: 1 days
12 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Roswell in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Roswell in March

  • Average temperature: 12℃ (53℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 7℃ (45℉)
  • Average humidity: 74%
  • Average sunny days: 13 days
  • Average rainfall: 90mm (4") over 15 days
13 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Roswell in March, make sure you pack a warm jacket or coat.


Roswell in April

  • Average temperature: 17℃ (62℉)
  • Average high temperature: 22℃ (72℉)
  • Average low temperature: 12℃ (53℉)
  • Average humidity: 71%
  • Average sunny days: 14 days
  • Average rainfall: 95mm (4") over 15 days
14 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Roswell in April, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Roswell in May

  • Average temperature: 21℃ (70℉)
  • Average high temperature: 27℃ (80℉)
  • Average low temperature: 16℃ (61℉)
  • Average humidity: 71%
  • Average sunny days: 11 days
  • Average rainfall: 112mm (4") over 18 days
11 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Roswell in May, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Roswell in June

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 31℃ (88℉)
  • Average low temperature: 20℃ (68℉)
  • Average humidity: 71%
  • Average sunny days: 9 days
  • Average rainfall: 92mm (4") over 18 days
9 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Roswell in June, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Roswell in July

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 32℃ (90℉)
  • Average low temperature: 21℃ (70℉)
  • Average humidity: 69%
  • Average sunny days: 9 days
  • Average rainfall: 107mm (4") over 20 days
9 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Roswell in July, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Roswell in August

  • Average temperature: 26℃ (78℉)
  • Average high temperature: 32℃ (89℉)
  • Average low temperature: 21℃ (70℉)
  • Average humidity: 69%
  • Average sunny days: 10 days
  • Average rainfall: 112mm (4") over 19 days
10 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Roswell in August, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Roswell in September

  • Average temperature: 23℃ (73℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 18℃ (65℉)
  • Average humidity: 69%
  • Average sunny days: 15 days
  • Average rainfall: 71mm (3") over 13 days
15 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Roswell in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.

Roswell in October

  • Average temperature: 17℃ (62℉)
  • Average high temperature: 23℃ (73℉)
  • Average low temperature: 12℃ (53℉)
  • Average humidity: 70%
  • Average sunny days: 19 days
  • Average rainfall: 60mm (2") over 10 days
19 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Roswell in October, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Roswell in November

  • Average temperature: 11℃ (51℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 71%
  • Average sunny days: 19 days
  • Average rainfall: 82mm (3") over 10 days
19 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Roswell in November, make sure you pack a warm jacket or coat.


Roswell in December

  • Average temperature: 8℃ (46℉)
  • Average high temperature: 12℃ (53℉)
  • Average low temperature: 4℃ (39℉)
  • Average humidity: 77%
  • Average sunny days: 16 days
  • Average rainfall: 97mm (4") over 14 days
  • Average snow days: 1 days
16 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Roswell in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Top FAQs

The hottest month of the year in Roswell is usually July, where temperatures tend to rise to around 32℃ (90℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Roswell is generally around October. The dry season often coincides with cooler weather, so you should check the temperatures in October first to make sure it’s still a good time to go.
The rainiest time of year in Roswell is generally around May, although the wetter season can sometimes extend a few months either side of May too.
If you want to get the most out of your time visiting Roswell, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Roswell map