Climate and monthly weather forecastCostilla, NM
Climate and monthly weather forecast
Weather in January
January, the same as December, in Costilla, New Mexico, is a freezing cold winter month, with an average temperature ranging between min 9.3°F (-12.6°C) and max 30.6°F (-0.8°C). January is the coldest month, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 9.3°F (-12.6°C). Weather in January »Weather in February
February, the last month of the winter in Costilla, is a wintry month, with an average temperature fluctuating between 33.1°F (0.6°C) and 14.2°F (-9.9°C). Costilla experiences a minor change to a wintry 33.1°F (0.6°C) in average high-temperature during February, closely reflecting January. Weather in February »Weather in March
March, the first month of the spring in Costilla, is a chilly month, with an average temperature ranging between min 24.1°F (-4.4°C) and max 43.5°F (6.4°C). March's arrival sees a rise in the average high-temperature, jumping from February's cold 33.1°F (0.6°C) to a chilly 43.5°F (6.4°C). Weather in March »Weather in April
April in Costilla, New Mexico, is a cool spring month, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 52°F (11.1°C). April brings a slight increase in the average high-temperature, progressing from a chilly 43.5°F (6.4°C) in March to a fresh 52°F (11.1°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Costilla, New Mexico, with an average temperature ranging between min 35.6°F (2°C) and max 61.5°F (16.4°C). The shift into May brings an increase in the average high-temperature, moving from a fresh 52°F (11.1°C) in April to a refreshing 61.5°F (16.4°C). Weather in May »Weather in June
June, the first month of the summer in Costilla, is a moderately hot month, with an average temperature ranging between max 74.7°F (23.7°C) and min 45.5°F (7.5°C). The start of June is characterized by an increase in the average high-temperature, transitioning from a refreshing 61.5°F (16.4°C) in May to a warm 74.7°F (23.7°C). Weather in June »Weather in July
July, like June, in Costilla, New Mexico, is another warm summer month, with an average temperature fluctuating between 76.6°F (24.8°C) and 50.2°F (10.1°C). In Costilla, July is identified by the highest average temperatures, reaching a peak of 76.6°F (24.8°C) and a low of 50.2°F (10.1°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Costilla, New Mexico, with an average temperature varying between 74.8°F (23.8°C) and 48.6°F (9.2°C). Costilla, New Mexico, registers an average high-temperature of a still moderately hot 74.8°F (23.8°C) at the commencement of August, closely related to the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Costilla, is still a pleasant month, with an average temperature ranging between min 43.7°F (6.5°C) and max 68.5°F (20.3°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 74.8°F (23.8°C) in August to a pleasant 68.5°F (20.3°C). Weather in September »Weather in October
October, the same as September, in Costilla, New Mexico, is another mild autumn month, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 32.5°F (0.3°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from an agreeable 68.5°F (20.3°C) in September to a refreshing 55.4°F (13°C). Weather in October »Weather in November
November, the last month of the autumn in Costilla, is another chilly month, with an average temperature varying between 43.3°F (6.3°C) and 22.8°F (-5.1°C). November's arrival correlates with a reduction in the average high-temperature, down from a refreshing 55.4°F (13°C) in October to a chilly 43.3°F (6.3°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Costilla, New Mexico, with temperature in the range of an average low of 11.8°F (-11.2°C) and an average high of 32.2°F (0.1°C). December's arrival corresponds with a decrease in average high-temperatures, from November's frosty 43.3°F (6.3°C) to a wintry 32.2°F (0.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Costilla, NM
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure
Costilla, NM
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed
Costilla, NM
- Average wind speed in January:
5.6mph - Average wind speed in February:
7.2mph - Average wind speed in March:
8mph - Average wind speed in April:
8.9mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.1mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.4mph
The windiest months (with the highest average wind speed) are April and May (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity
Costilla, NM
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (38%).
Average rainfall
Costilla, NM
- Average rainfall in January:
0.47" - Average rainfall in February:
0.59" - Average rainfall in March:
0.83" - Average rainfall in April:
0.75" - Average rainfall in May:
0.79" - Average rainfall in June:
0.75"
- Average rainfall in July:
1.61" - Average rainfall in August:
0.83" - Average rainfall in September:
0.59" - Average rainfall in October:
0.67" - Average rainfall in November:
0.43" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days
Costilla, NM
- Average rainfall days in January:
3.2 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
5 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
7.5 days - Average rainfall days in June:
7.5 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
8.9 days - Average rainfall days in September:
7.1 days - Average rainfall days in October:
3.9 days - Average rainfall days in November:
1.3 days - Average rainfall days in December:
3.3 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (1.3 days).
Average snowfall
Costilla, NM
- Average snowfall in January:
3.7" - Average snowfall in February:
4.29" - Average snowfall in March:
5.55" - Average snowfall in April:
3.31" - Average snowfall in May:
1.77" - Average snowfall in June:
0.04"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are July and August (0").
Average snowfall days
Costilla, NM
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
10.1 days - Average snowfall days in March:
9 days - Average snowfall days in April:
7.2 days - Average snowfall days in May:
2.7 days - Average snowfall days in June:
0.3 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.4 days - Average snowfall days in October:
3.3 days - Average snowfall days in November:
5.6 days - Average snowfall days in December:
9.7 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Costilla, NM
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
6h and 42min - Average sunshine in March:
8h and 54min - Average sunshine in April:
10h and 54min - Average sunshine in May:
11h and 30min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 30min - Average sunshine in August:
11h and 42min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 30min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days
Costilla, NM
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
19.6 days - Average sunshine days in June:
20.2 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
19 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
24.1 days - Average sunshine days in November:
23.3 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is October (24.1 days).
The month with the least sunshine days is July (13.3 days).
Average UV index
Costilla, NM
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Costilla, NM
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and October (Cloud cover 14).
Average visibility
Costilla, NM
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





