Roswell weather by month

Check out Roswell weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Roswell (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	13	16	20	25	29	34	35	33	30	25	19	13
Min temperature (night-time)	-4	-2	2	7	12	16	19	18	15	8	1	-4
Heat & Humidity	0	0	0	0	M	H	H	H	M	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Roswell

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	7	8	9	10	11	12	11	10	9	9	7	7
Daily hours of daylight	10	11	12	13	14	14	14	13	12	11	10	10
UV Index (Maximum)	3	5	7	9	10	11	11	11	9	6	4	3

Rainfall in Roswell

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	4	4	3	3	4	5	6	9	7	4	3	4
Average monthly rainfall (mm)	9	11	8	11	25	35	50	56	46	25	11	11

More about Roswell

Roswell by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Mexico

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

The climate guide for New Mexico (Roswell) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Roswell?

Roswell has a cool semi arid climate with hot summers.

Roswell weather in January

Expect daytime maximum temperatures of 13°C in Roswell, New Mexico in January based on long-term weather averages. There are 7 hours of sunshine per day on average.

13
13°C max day temperature
7
7 hours of sunshine per day
4
4 days with some rainfall
-4
-4°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
9
9 mm of monthly rainfall
3
3 (Moderate) UV index

Back to months

Roswell weather in February

Expect daytime maximum temperatures of 16°C in Roswell, New Mexico in February based on long-term weather averages. There are 8 hours of sunshine per day on average.

16
16°C max day temperature
8
8 hours of sunshine per day
4
4 days with some rainfall
-2
-2°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
11
11 mm of monthly rainfall
5
5 (Moderate) UV index

Back to months

Roswell weather in March

Expect daytime maximum temperatures of 20°C in Roswell, New Mexico in March based on long-term weather averages. There are 9 hours of sunshine per day on average.

20
20°C max day temperature
9
9 hours of sunshine per day
3
3 days with some rainfall
2
2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
8
8 mm of monthly rainfall
7
7 (High) UV index

Back to months

Roswell weather in April

Expect daytime maximum temperatures of 25°C in Roswell, New Mexico in April based on long-term weather averages. There are 10 hours of sunshine per day on average.

25
25°C max day temperature
10
10 hours of sunshine per day
3
3 days with some rainfall
7
7°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
11
11 mm of monthly rainfall
9
9 (Very High) UV index

Back to months

Roswell weather in May

Expect daytime maximum temperatures of 29°C in Roswell, New Mexico in May based on long-term weather averages. There are 11 hours of sunshine per day on average.

29
29°C max day temperature
11
11 hours of sunshine per day
4
4 days with some rainfall
12
12°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
25
25 mm of monthly rainfall
10
10 (Very High) UV index

Back to months

Roswell weather in June

Expect daytime maximum temperatures of 34°C in Roswell, New Mexico in June and high heat and humidity based on long-term weather averages. There are 12 hours of sunshine per day on average.

34
34°C max day temperature
12
12 hours of sunshine per day
5
5 days with some rainfall
16
16°C min night temperature
14
14 hours of daylight per day
H
High heat & humidity
35
35 mm of monthly rainfall
11
11 (Extreme) UV index

Back to months

Roswell weather in July

Expect daytime maximum temperatures of 35°C in Roswell, New Mexico in July and high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 50 mm of rainfall in the month.

35
35°C max day temperature
11
11 hours of sunshine per day
6
6 days with some rainfall
19
19°C min night temperature
14
14 hours of daylight per day
H
High heat & humidity
50
50 mm of monthly rainfall
11
11 (Extreme) UV index

Back to months

Roswell weather in August

Expect daytime maximum temperatures of 33°C in Roswell, New Mexico in August and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 56 mm of rainfall in the month.

33
33°C max day temperature
10
10 hours of sunshine per day
9
9 days with some rainfall
18
18°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
56
56 mm of monthly rainfall
11
11 (Extreme) UV index

Back to months

Roswell weather in September

Expect daytime maximum temperatures of 30°C in Roswell, New Mexico in September based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 46 mm of rainfall in the month.

30
30°C max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
15
15°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
46
46 mm of monthly rainfall
9
9 (Very High) UV index

Back to months

Roswell weather in October

Expect daytime maximum temperatures of 25°C in Roswell, New Mexico in October based on long-term weather averages. There are 9 hours of sunshine per day on average.

25
25°C max day temperature
9
9 hours of sunshine per day
4
4 days with some rainfall
8
8°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
25
25 mm of monthly rainfall
6
6 (High) UV index

Back to months

Roswell weather in November

Expect daytime maximum temperatures of 19°C in Roswell, New Mexico in November based on long-term weather averages. There are 7 hours of sunshine per day on average.

19
19°C max day temperature
7
7 hours of sunshine per day
3
3 days with some rainfall
1
1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
11
11 mm of monthly rainfall
4
4 (Moderate) UV index

Back to months

Roswell weather in December

Expect daytime maximum temperatures of 13°C in Roswell, New Mexico in December based on long-term weather averages. There are 7 hours of sunshine per day on average.