Mt. Washington Alpine Resort-Sunrise Month Minimum Maximum Maximum Maximum Maximum Maximum Minimum Maximum Temperature Temperature Daily Rain Insolation Wind Speed Wind Gust Pressure Pressure C C mm W/m2 km/hr km/hr hPa hPa January -12.8 10/2017 14.2 24/2014 0.8 13/2014 542.0 29/2017 57.9 29/2018 83.7 29/2018 816.3 09/2018 1032.2 14/2014 February -17.7 06/2014 5.1 26/2014 0.8 22/2016 761.0 25/2018 69.2 07/2018 103.0 07/2018 816.3 21/2018 1028.6 05/2014 March -11.8 08/2017 11.9 31/2013 1.8 15/2013 1155.0 19/2017 67.6 05/2016 181.9 20/2013 816.3 01/2018 1029.6 11/2014 April -7.2 13/2013 17.3 20/2016 1.2 06/2016 1232.0 15/2017 49.9 25/2013 72.4 12/2016 993.7 05/2013 1030.2 22/2013 May -4.8 16/2017 19.2 05/2013 1.8 17/2014 1204.0 20/2017 48.3 05/2017 75.6 12/2013 995.8 08/2014 1025.5 13/2014 June 0.4 03/2017 21.2 27/2015 3.8 19/2013 1269.0 10/2013 49.9 12/2015 67.6 12/2015 707.0 14/2018 1019.8 30/2014 July 2.4 11/2013 24.7 30/2018 7.0 14/2015 1260.0 13/2013 53.1 04/2015 70.8 04/2015 707.0 10/2018 1019.6 28/2015 August -10.5 14/2017 25.3 09/2017 8.4 14/2015 14400.0 14/2017 210.8 14/2017 61.2 07/2017 707.0 01/2018 1019.4 16/2015 September -0.6 20/2017 25.1 05/2017 1.8 17/2013 949.0 04/2013 49.9 12/2017 66.0 13/2015 978.4 29/2013 1019.5 27/2015 October -3.4 18/2017 19.4 27/2017 1.8 31/2013 726.0 17/2017 64.4 18/2017 96.6 18/2017 988.8 10/2015 1026.3 04/2013 November -16.0 29/2014 10.6 24/2013 1.4 03/2014 506.0 01/2014 67.6 22/2017 125.5 02/2013 985.4 21/2014 1034.4 21/2013 December -15.5 07/2013 4.1 26/2013 5.0 08/2015 565.0 06/2016 57.9 02/2013 101.4 08/2015 816.3 24/2017 1030.1 24/2013