Weather on December 31

Nampa, ID

55 Years of Data

Avg High
36°F
Avg Low
19°F
Warmest
1996
50°F avg
Coldest
1990
-3°F avg

About This Date

December 31st in Nampa, ID typically brings cold winter weather, with average highs around 36°F and lows near 19°F. Over 44 years of records, the warmest December 31st was in 1996 (50°F average), while the coldest was 1990 (-3°F) — a 53°F range across recorded history. Precipitation has occurred on 39% of recorded December 31st dates, with snow falling 11% of the time.

Planning for December 31st in Nampa, ID? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.

Warming Trend
2.0°F per decade on this date
YearHighLowAvgPrecipSnow
201427°17°
201335°24°30°
201227°11°19°
201160°31°45°0.18"
201030°13°21°
200939°22°30°
200842°28°35°
200740°18°29°
200637°20°28°
200547°35°41°1.35"
200447°28°37°0.05"
200330°18°24°0.2"1"
200243°33°38°2.06"1"
200136°28°32°0.1"0.5"
200031°24°27°
199927°21°24°
199853°30°42°0.03"
199745°24°34°
1996warmest57°43°50°0.13"
199535°30°33°0.91"
199436°15°25°
199339°23°31°0.05"0.1"
199241°28°35°
199139°22°30°0.25"
1990coldest-14°-3°
198952°14°33°
198831°12°21°0.18"
198740°22°31°0.28"
198630°12°21°
198518°-3°
198445°24°34°
198331°25°28°0.25"
198218°13°
198130°12°21°
198049°29°39°
197932°18°25°
197812°-8°0.08"
197737°24°31°0.38"
197639°12°26°
197536°26°31°
197427°14°
197336°19°27°
197242°21°32°0.05"0.3"
197131°18°24°
44 years of data from NAMPA SUGAR FACTORY

Browse Weather History

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