Weather on March 31

Billings, MT

55 Years of Data

Avg High
58°F
Avg Low
30°F
Warmest
1978
63°F avg
Coldest
2025
31°F avg

About This Date

March 31st in Billings, MT typically brings cool spring weather, with average highs around 58°F and lows near 30°F — a 28°F daily swing. Over 56 years of records, the warmest March 31st was in 1978 (63°F average), while the coldest was 2025 (31°F) — a 32°F range across recorded history. Precipitation has occurred on 25% of recorded March 31st dates, with snow falling 5% of the time (heaviest snowfall: 2.5"). The last decade has been 4.4°F cooler on this date compared to 20-30 years ago.

The last decade has been 4.4°F cooler on this date compared to 20-30 years ago.

Planning for March 31st in Billings, MT? Bring layers as temperatures can vary throughout the day.

Cooling Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
202673°28°51°0.61"0.5"
2025coldest33°29°31°0.03"
202437°30°34°
202341°30°36°
202261°29°45°
202143°21°32°
202064°28°46°
201955°31°43°
201861°11°36°0.1"1"
201750°44°47°0.84"
201654°33°43°0.15"
201572°38°55°
201439°24°32°0.1"
201362°29°45°
201280°45°62°
201157°47°52°
201053°29°41°0.28"
200947°22°34°
200842°25°33°0.13"
200747°27°37°0.56"
200658°28°43°
200558°33°45°
200482°35°59°
200375°40°57°
200261°24°42°
200150°18°34°0.79"2.5"
200053°28°41°
199956°33°44°
199858°26°42°
199774°29°51°
199643°23°33°
199561°37°49°
199471°27°49°
199355°26°41°
199265°29°47°
199168°34°51°
199071°32°52°
198959°33°46°
198853°18°35°
198768°24°46°
198655°39°47°
198558°37°47°
198444°32°38°0.03"
198354°31°42°
198261°25°43°
198160°33°47°0.03"
198041°30°36°0.58"
197949°26°37°
1978warmest78°49°63°
197746°23°35°
197673°27°50°
197552°15°33°
197466°
197357°27°42°
197258°35°46°
197172°29°50°1.07"
56 years of data from BILLINGS WTP

Browse Weather History

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