NOAA GHCND · LIVE

Weather on December 21

Alamogordo, NM

55 Years of Data

Avg High
56°F
Avg Low
29°F
Warmest
1998
56°F avg
Coldest
1973
32°F avg

About This Date

December 21st in Alamogordo, NM typically brings cool winter weather, with average highs around 56°F and lows near 29°F — a 27°F daily swing. Over 55 years of records, the warmest December 21st was in 1998 (56°F average), while the coldest was 1973 (32°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 11% of December 21st dates historically, with the wettest December 21st recording 0.97" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for December 21st in Alamogordo, NM? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
202572°39°55°
202463°28°45°
202354°36°45°
202257°23°40°
202159°23°41°
202061°28°45°
201957°23°40°
201863°28°46°
201751°30°41°
201657°37°47°0.13"
201559°32°46°
201457°27°42°
201348°32°40°0.01"
201254°16°35°
201148°27°38°
201059°43°51°
200951°27°39°
200855°29°42°
200762°35°49°
200646°30°38°
200562°37°50°
200455°39°47°
200367°37°52°
200249°23°36°
200164°31°47°
200053°26°40°
199957°22°39°
1998warmest63°50°56°
199746°31°38°
199655°26°41°
199543°30°36°0.01"
199464°30°47°
199352°32°42°0.05"
199257°28°43°
199144°35°40°0.97"
199052°43°47°
198957°20°38°
198861°26°43°
198755°28°42°
198654°36°45°
198563°28°45°
198455°30°43°
198357°44°51°
198265°31°48°
198170°37°53°
198045°19°32°
197966°38°52°0.14"
197847°19°33°
197752°12°32°
197652°22°37°
197550°26°38°
197468°29°48°
1973coldest54°10°32°
197255°28°42°
197159°26°43°
55 years of data from ALAMOGORDO

Alamogordo, NM Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

20°40°60°80°100°JFMAMJJASOND
Avg high Avg low

Alamogordo, NM Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"0.2"0.4"JFMAMJJASOND3.1"0"
Rain (in) Snow (in)

Alamogordo, NM Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Alamogordo, NM

Most pleasant months in Alamogordo, NM: April, May, September, October.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery