Hyannis (NE) monthly weather averages

Contents

Average daytime temperature

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

Hyannis average temperature chart (Celsius) Hyannis average temperature chart (Fahrenheit)
Average monthly temperatures in Hyannis (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.6 4.8 9 15.6 21.3 27.1 30.9 29.7 24.4 18.2 8.7 2.9
°F 34.9 40.7 48.2 60 70.4 80.7 87.7 85.5 75.9 64.8 47.7 37.2

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.

Hyannis monthly rainfall chart (mm) Hyannis monthly rainfall chart (inches)
Average monthly rainfall in Hyannis (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 9 12 26 48 82 82 72 49 37 23 15 11
inches 0.4 0.5 1 1.9 3.2 3.2 2.8 1.9 1.5 0.9 0.6 0.4
Rainy days 6 5 8 9 11 10 10 8 7 5 5 6

Average annual rainfall in Hyannis: 404.833mm (159.4 inches)

Average daily sunshine

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

Hyannis average daily sunshine chart
Average daily sunshine Hyannis
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.4 7.1 7.7 8.8 9.6 11.3 11.8 11 9.4 8.2 6.3 6

Day / night temperatures

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

Hyannis average minimum / maximum temperatures (Celsius) Hyannis average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hyannis (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -12.4 -9.6 -5.8 -0.2 5.7 10.8 14.3 12.9 7 0.5 -6.1 -11
Max °C 2 5.2 9.4 16 21.7 27.5 31.4 30.2 24.8 18.7 9.1 3.2
Min °F 9.8 14.7 21.7 31.7 42.3 51.4 57.7 55.1 44.6 33 21 12.2
Max °F 22.6 28 35.2 46.2 56.7 66.4 73 70.7 60.6 49.3 34.7 25

Sea temperature

The graph below shows the average sea temperature.

Hyannis average sea temperature chart (Celsius) Hyannis average sea temperature chart (Fahrenheit)
Average sea temperature around Hyannis in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9 8.8 9.2 10 11.5 13.5 15.8 18 17.1 14.3 11.7 9.9
°F 48.3 47.9 48.5 50.1 52.6 56.2 60.5 64.5 62.8 57.8 53.1 49.9

Wind speed

The graph below shows the average wind speed.

Hyannis average winspeed by month (km/h) Hyannis average winspeed by month (mph)
Average wind speed in Hyannis (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 20 21 20 18 17 16 17 17 17 17
mph 11 11 12 13 12 11 10 10 11 11 10 11

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.

Hyannis relative humidity averages
Average relative humidity in Hyannis
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 65% 62% 57% 60% 60% 59% 60% 59% 58% 63% 66%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Hyannis weather stats

Hyannis weather statistics
Hottest month: July 30.9°C 87.6°F
Driest month: January 9mm 0.4ins
Sunniest month: July 11.8hrs
Coldest month: January 1.6°C 34.9°F
Wettest month: May 82mm 3.2ins
Warmest sea: August 18°C 64.4°F
Map showing location of Hyannis (42.00054, -101.76184) Hyannis map pin © Google

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