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Barometric Pressure Seasonal Summary (inHg)

Data last updated 9/13/2025 2:25 PM.
Northern Hemisphere Meterological Seasons
Winter: December, January, February
Spring: March, April, May
Summer: June, July, August
Fall: September, October, November

 Daily DetailMonthly SummarySeasonal Summary 


Maximum Average Barometric Pressure
DateWinterSpringSummerFallYear
Dec 2024 / Nov 202530.4330.2529.9729.98*30.43*
Dec 2023 / Nov 202430.3030.21*29.9330.1930.30*
Dec 2022 / Nov 202330.2930.1029.85*30.3330.33*
Dec 2021 / Nov 202230.40*30.1830.0030.2830.40*
Dec 2020 / Nov 202130.2930.2030.0230.2530.29
Dec 2019 / Nov 202030.3230.12*29.9630.1430.32*
Dec 2018 / Nov 201930.2530.0929.8230.1330.25
Dec 2017 / Nov 201830.3030.1129.8530.3830.38
Dec 2016 / Nov 201730.4130.1929.8230.04*30.41*
Dec 2015 / Nov 201630.3130.0529.9830.1730.31
Dec 2014 / Nov 201530.3530.1829.9130.2430.35
Dec 2013 / Nov 201430.2930.1229.8830.3530.35
Dec 2012 / Nov 201330.3730.2429.8930.1930.37
Dec 2011 / Nov 201230.2530.2429.84*30.2230.25*
Dec 2010 / Nov 201130.45*30.1829.8530.3230.45*
Dec 2009 / Nov 201030.2930.2129.87*30.3930.39*
Dec 2008 / Nov 200930.3830.1129.8630.1530.38
Dec 2007 / Nov 200830.32*30.2329.8830.1530.32*
Dec 2006 / Nov 200730.3230.00*29.8830.2830.32*
Dec 2005 / Nov 2006------29.95*30.3530.35*
Max30.45 30.25 30.02 30.39 30.45
 
Average Barometric Pressure
DateWinterSpringSummerFallYear
Dec 2024 / Nov 202530.06 0.02 more than the Winter average.29.89 0.05 more than the Spring average.29.84 0.1 more than the Summer average.29.87* 0.01 less than the Fall average.29.92*0.05 more than the yearly average.
Dec 2023 / Nov 202430.10 0.06 more than the Winter average.29.89* 0.05 more than the Spring average.29.78 0.04 more than the Summer average.29.91 0.03 more than the Fall average.29.92*0.05 more than the yearly average.
Dec 2022 / Nov 202330.03 0.01 less than the Winter average.29.83 0.01 less than the Spring average.29.70* 0.04 less than the Summer average.29.92 0.04 more than the Fall average.29.89*0.02 more than the yearly average.
Dec 2021 / Nov 202230.08* 0.04 more than the Winter average.29.84  29.81 0.07 more than the Summer average.29.97 0.09 more than the Fall average.29.92*0.05 more than the yearly average.
Dec 2020 / Nov 202130.02 0.02 less than the Winter average.29.85 0.01 more than the Spring average.29.79 0.05 more than the Summer average.29.96 0.08 more than the Fall average.29.900.03 more than the yearly average.
Dec 2019 / Nov 202030.04  29.91* 0.07 more than the Spring average.29.76 0.02 more than the Summer average.29.89 0.01 more than the Fall average.29.90*0.03 more than the yearly average.
Dec 2018 / Nov 201930.01 0.03 less than the Winter average.29.79 0.05 less than the Spring average.29.69 0.05 less than the Summer average.29.84 0.04 less than the Fall average.29.830.04 less than the yearly average.
Dec 2017 / Nov 201830.03 0.01 less than the Winter average.29.80 0.04 less than the Spring average.29.69 0.05 less than the Summer average.29.83 0.05 less than the Fall average.29.840.03 less than the yearly average.
Dec 2016 / Nov 201730.03 0.01 less than the Winter average.29.80 0.04 less than the Spring average.29.70 0.04 less than the Summer average.29.81* 0.07 less than the Fall average.29.83*0.04 less than the yearly average.
Dec 2015 / Nov 201630.03 0.01 less than the Winter average.29.81 0.03 less than the Spring average.29.83 0.09 more than the Summer average.29.97 0.09 more than the Fall average.29.910.04 more than the yearly average.
Dec 2014 / Nov 201530.03 0.01 less than the Winter average.29.84  29.73 0.01 less than the Summer average.29.91 0.03 more than the Fall average.29.880.01 more than the yearly average.
Dec 2013 / Nov 201430.02 0.02 less than the Winter average.29.83 0.01 less than the Spring average.29.72 0.02 less than the Summer average.29.85 0.03 less than the Fall average.29.850.02 less than the yearly average.
Dec 2012 / Nov 201330.04  29.82 0.02 less than the Spring average.29.71 0.03 less than the Summer average.29.84 0.04 less than the Fall average.29.850.02 less than the yearly average.
Dec 2011 / Nov 201230.03 0.01 less than the Winter average.29.82 0.02 less than the Spring average.29.70* 0.04 less than the Summer average.29.88  29.87* 
Dec 2010 / Nov 201130.04*  29.83 0.01 less than the Spring average.29.68 0.06 less than the Summer average.29.87 0.01 less than the Fall average.29.85*0.02 less than the yearly average.
Dec 2009 / Nov 201029.98 0.06 less than the Winter average.29.85 0.01 more than the Spring average.29.70* 0.04 less than the Summer average.29.88  29.85*0.02 less than the yearly average.
Dec 2008 / Nov 200930.07 0.03 more than the Winter average.29.84  29.73 0.01 less than the Summer average.29.84 0.04 less than the Fall average.29.87 
Dec 2007 / Nov 200830.03* 0.01 less than the Winter average.29.86 0.02 more than the Spring average.29.71 0.03 less than the Summer average.29.89 0.01 more than the Fall average.29.87* 
Dec 2006 / Nov 200730.03 0.01 less than the Winter average.29.83* 0.01 less than the Spring average.29.77 0.03 more than the Summer average.29.88  29.88*0.01 more than the yearly average.
Dec 2005 / Nov 2006------29.82* 0.08 more than the Summer average.29.88  29.86*0.01 less than the yearly average.
Avg30.04 29.84 29.74 29.88 29.87
 
Minimum Average Barometric Pressure
DateWinterSpringSummerFallYear
Dec 2024 / Nov 202529.7529.6329.6729.7729.63
Dec 2023 / Nov 202429.7829.6929.5329.5929.53
Dec 2022 / Nov 202329.6429.5729.6029.5429.54
Dec 2021 / Nov 202229.7429.5329.6129.7429.53
Dec 2020 / Nov 202129.6929.5229.5629.6829.52
Dec 2019 / Nov 202029.7329.7529.6029.5429.54
Dec 2018 / Nov 201929.6329.5829.5729.5929.57
Dec 2017 / Nov 201829.7029.5627.7129.5927.71
Dec 2016 / Nov 201729.5729.5329.5029.5729.50
Dec 2015 / Nov 201629.6629.6029.5329.6929.53
Dec 2014 / Nov 201529.6729.6829.5329.6129.53
Dec 2013 / Nov 201429.6929.6329.5629.5829.56
Dec 2012 / Nov 201329.7329.4529.5629.5629.45
Dec 2011 / Nov 201229.7029.4829.5429.7029.48
Dec 2010 / Nov 201129.6629.5229.5429.5929.52
Dec 2009 / Nov 201029.4029.6229.5029.5329.40
Dec 2008 / Nov 200929.7229.5929.5929.5729.57
Dec 2007 / Nov 200829.7329.3329.4229.5829.33
Dec 2006 / Nov 200729.6929.6229.6229.6329.62
Dec 2005 / Nov 2006------29.6629.6329.63
Min29.40 29.33 27.71 29.53 27.71
 
Color Key
< 29.25 29.25 - 29.40 29.40 - 29.55 29.55 - 29.70 29.70 - 29.85 29.85 - 30.00 30.00 - 30.15 30.15 - 30.30 30.30 - 30.45 30.45 - 30.60 30.60 - 30.75 30.75 - 30.9030.90>
* denotes incomplete data for the month/year.

Script Developed by Murry Conarroe of Wildwood Weather.