What is the hottest month in Mesilla?

June is the warmest month in Mesilla, with an average high of 96.2°F.

What is the coldest month in Mesilla?

January is the coldest month in Mesilla, with an average low of 29.6°F.

What month does Mesilla get the most rain?

July is typically the wettest month in Mesilla, with about 1.77 inches of precipitation.

What plant hardiness zone is Mesilla in?

Mesilla is approximately in USDA plant hardiness Zone 8a, based on the average annual extreme minimum temperature.

Mesilla, NM

Climate overview — based on NOAA 1991-2020 normals from STATE UNIV, NM US.

BWk Desert (cold) climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Mesilla has an annual average temperature of 63.2°F with about 9.1 inches of precipitation per year and 1 inches of snow. The warmest month is June (average high 96.2°F), and the coldest is January (average low 29.6°F). July is typically the wettest month (1.77 in) and April the driest (0.22 in). Snow typically falls from December through January.

Annual swing

38.5°F

warmest to coldest month

Heating need

2,538

HDD/yr

Cooling need

1,902

CDD/yr

Best time to visit Mesilla

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Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	58.9°F	29.6°F	44.2°F	0.48 in	0.4 in	3
February	64.1°F	33.5°F	48.8°F	0.36 in	0.1 in	3
March	71.3°F	39.2°F	55.2°F	0.26 in	—	2
April	78.5°F	45.7°F	62.1°F	0.22 in	—	2
May	87.1°F	54.2°F	70.6°F	0.38 in	—	2
June	96.2°F	63.7°F	80.0°F	0.65 in	—	3
July	95.6°F	69.1°F	82.4°F	1.77 in	—	9
August	93.6°F	67.7°F	80.6°F	1.73 in	—	8
September	88.4°F	61.1°F	74.8°F	1.41 in	—	5
October	79.6°F	48.3°F	64.0°F	0.82 in	0.1 in	4
November	67.9°F	36.6°F	52.2°F	0.42 in	—	3
December	58.1°F	29.7°F	43.9°F	0.64 in	0.4 in	3