Nelson monthly weather averages

  • Average daytime temperature

    The bar chart below shows the average monthly peak daytime temperatures at Nelson

    Nelson average temperature chart
    Average monthly temperatures in Nelson (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 21.9 22.1 20.4 17.5 14.5 12 11.3 12.3 14.2 16.3 18.2 20.2
    °F 71.4 71.7 68.8 63.5 58 53.5 52.4 54.1 57.6 61.4 64.7 68.3

    Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

  • Average rainfall & rainy days

    The graph below shows the average rainfall and number of rainy days per month.

    Average monthly rainfall in Nelson (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 97 77 108 125 128 110 121 133 111 127 119 104
    inches 3.8 3 4.3 4.9 5 4.3 4.8 5.2 4.4 5 4.7 4.1
    Rainy days 9 8 10 10 10 10 11 12 13 12 12 11
  • Average daily sunshine

    The bar chart below shows the average daily sunshine hours in Nelson

    Average daily sunshine Nelson
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 9 8.5 6.9 6.5 5.7 5.1 5.3 5.6 6.4 7.3 7.8 8.1
  • Day / night temperatures

    The graph below shows the daily range of temperatures for each month.

    Maximum and minimum daily temperatures in Nelson (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 12.1 11.9 11 7.9 4.7 2.2 1.5 2.7 5 7.1 9 11
    Max °C 22.2 22.3 20.7 17.8 14.7 12.2 11.6 12.5 14.5 16.6 18.4 20.4
    Min °F 53.7 53.4 51.7 46.1 40.5 36 34.6 36.9 40.9 44.7 48.2 51.8
    Max °F 62.8 62.8 60.4 55 49.5 45 43.7 45.7 49.5 53.2 56.7 60.3
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Nelson in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 16.9 17.7 17.2 16.1 14.8 13.5 12.7 12.3 12.4 13 14.1 15.6
    °F 62.4 63.9 62.9 60.9 58.6 56.3 54.9 54.2 54.4 55.4 57.3 60
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Nelson (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 12 10 10 9 9 8 8 9 11 12 12 12
    mph 7 7 6 6 6 5 5 5 7 7 8 7

    A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

  • Relative humidity

    The graph below shows the average relative humidity.

    Average relative humidity in Nelson
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    72% 76% 79% 83% 86% 87% 88% 85% 79% 74% 74% 74%

Other monthly averages

Nelson weather stats

Nelson weather statistics
Hottest month: January 21.9°C 71.4°F
Driest month: February 77mm 3ins
Sunniest month: February 8.5hrs
Coldest month: July 11.3°C 52.3°F
Wettest month: August 133mm 5.2ins
Warmest sea: February 17.7°C 63.9°F
Map showing location of Nelson (-41.28333, 173.28333)

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