Weather on December 30

Boise, ID

55 Years of Data

Avg High
35°F
Avg Low
21°F
Warmest
1996
48°F avg
Coldest
1990
0°F avg

About This Date

December 30th in Boise, ID typically brings cold winter weather, with average highs around 35°F and lows near 21°F. Over 55 years of records, the warmest December 30th was in 1996 (48°F average), while the coldest was 1990 (0°F) — a 48°F range across recorded history. Precipitation has occurred on 45% of recorded December 30th dates, with snow falling 31% of the time (heaviest snowfall: 3.2"). The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.

The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.

Planning for December 30th in Boise, ID? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.

Warming Trend
1.6°F per decade on this date
YearHighLowAvgPrecipSnow
202542°25°33°
202442°28°35°
202349°31°40°
202240°35°37°0.84"
202130°15°23°0.23"2.1"
202035°23°29°0.2"
201934°29°32°
201841°30°36°0.2"0.2"
201743°23°33°0.03"
201616°
201526°19°23°
201425°18°22°0.03"0.2"
201336°20°28°
201225°13°19°0.03"0.1"
201152°37°44°0.23"
201030°17°24°0.05"0.4"
200936°29°32°0.43"3.2"
200839°29°34°
200738°22°30°
200633°21°27°
200546°35°41°1.91"
200446°31°38°0.03"
200329°16°22°
200240°32°36°2.18"0.2"
200136°25°30°
200029°19°24°
199925°20°22°
199850°34°42°
199746°25°35°
1996warmest54°43°48°0.1"
199539°32°36°1.09"
199433°18°25°
199338°20°29°
199236°28°32°0.25"1.2"
199140°30°35°0.08"
1990coldest-9°
198944°13°28°
198834°20°27°0.15"0.6"
198731°15°23°0.18"0.6"
198632°13°22°
198513°-7°
198441°33°37°0.03"
198330°23°27°0.61"0.4"
198218°
198127°16°0.03"0.1"
198045°29°37°
197936°19°27°
197816°-2°
197739°25°32°0.79"2.4"
197641°16°28°
197539°25°32°0.13"1"
197426°14°0.36"1.5"
197335°30°33°
197237°25°31°
197129°15°22°0.08"0.2"
55 years of data from BOISE AIR TERMINAL

Browse Weather History

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