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Weather on March 13

Boulder, CO

55 Years of Data

Avg High
58°F
Avg Low
30°F
Warmest
2026
61°F avg
Coldest
1988
16°F avg

About This Date

March 13th in Boulder, CO 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 13th was in 2026 (61°F average), while the coldest was 1988 (16°F) — a 45°F range across recorded history. Precipitation has occurred on 16% of recorded March 13th dates, with snow falling 7% of the time (heaviest snowfall: 8.4"). 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 March 13th in Boulder, CO? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest68°54°61°
202566°43°54°
202448°32°40°
202352°25°39°
202263°32°47°
202137°32°35°0.79"
202037°32°35°
201945°30°38°
201855°30°43°
201758°26°42°
201666°46°56°
201557°44°51°
201461°26°43°
201365°25°45°
201273°43°58°
201157°38°47°0.3"
201060°27°43°
200950°20°35°
200858°32°45°
200775°41°58°
200639°13°26°0.43"2.8"
200552°24°38°2.03"8.4"
200463°44°53°
200374°35°54°
200260°33°47°
200157°34°45°
200058°23°40°
199952°27°39°
199863°28°45°
199758°24°41°0.05"0.1"
199655°31°43°0.33"
199562°33°48°
199463°29°46°
199346°26°
199262°31°46°
199151°27°39°
199054°24°39°0.51"
198975°34°54°
1988coldest28°16°
198768°35°52°
198649°29°39°0.13"
198550°24°37°0.03"0.2"
198466°29°47°
198369°37°53°
198260°32°46°
198158°31°44°
198056°22°39°
197958°31°44°
197851°33°42°
197769°26°48°
197654°15°34°
197549°18°33°
197465°29°47°
197359°34°46°
197262°35°49°
197161°42°51°
56 years of data from BOULDER MUNI AP

Boulder, CO Temperature Range by Month

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

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

Boulder, CO Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"3.9"7.7"JFMAMJJASOND3.2"0"
Rain (in) Snow (in)

Boulder, CO 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 Boulder, CO

Boulder, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.

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.

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