Sayreville Junction (NJ) monthly weather averages

Average daytime temperature

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

Sayreville Junction average temperature chart (Celsius) Sayreville Junction average temperature chart (Fahrenheit)
Average monthly temperatures in Sayreville Junction (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.8 4.5 9.9 15.8 21.5 26.5 29.1 28.3 24.3 18.4 12.1 5.7
°F 37.1 40.2 49.8 60.5 70.8 79.8 84.5 82.9 75.7 65.1 53.8 42.3

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.

Sayreville Junction monthly rainfall chart (mm) Sayreville Junction monthly rainfall chart (inches)
Average monthly rainfall in Sayreville Junction (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 89 80 102 101 107 87 119 112 100 84 104 97
inches 3.5 3.1 4 4 4.2 3.4 4.7 4.4 3.9 3.3 4.1 3.8
Rainy days 10 10 11 11 11 10 10 9 8 8 10 11

Average annual rainfall in Sayreville Junction: 1147.267mm (451.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Sayreville Junction

Sayreville Junction average daily sunshine chart
Average daily sunshine Sayreville Junction
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.4 7.3 8.1 8.7 9.3 9.3 9.1 7.8 7.3 5.5 5

Day / night temperatures

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

Sayreville Junction average minimum / maximum temperatures (Celsius) Sayreville Junction average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sayreville Junction (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.5 -4.4 0.1 4.9 10.4 15.6 18.6 18.1 13.9 7.6 3.1 -2.3
Max °C 3.1 4.8 10.1 16.1 21.8 26.8 29.4 28.6 24.6 18.7 12.4 5.9
Min °F 22.2 24.2 32.2 40.8 50.7 60.1 65.5 64.5 56.9 45.6 37.5 27.9
Max °F 29.8 32.4 41.2 50.9 61 70.2 75.2 73.9 66.6 55.6 45.9 35.2

Sea temperature

The graph below shows the average sea temperature.

Sayreville Junction average sea temperature chart (Celsius) Sayreville Junction average sea temperature chart (Fahrenheit)
Average sea temperature around Sayreville Junction in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.6 3.7 3.9 6.4 11 16.9 21.9 23.1 21 16.9 12.4 8.6
°F 42.1 38.7 39 43.5 51.8 62.4 71.4 73.6 69.8 62.4 54.3 47.5

Wind speed

The graph below shows the average wind speed.

Sayreville Junction average winspeed by month (km/h) Sayreville Junction average winspeed by month (mph)
Average wind speed in Sayreville Junction (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 21 21 21 18 17 16 16 16 17 19 19
mph 12 13 13 13 11 11 10 10 10 10 12 12

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.

Sayreville Junction relative humidity averages
Average relative humidity in Sayreville Junction
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 64% 62% 60% 65% 67% 67% 69% 70% 69% 68% 67%

Other monthly averages

UV index Best time to go?

Sayreville Junction weather stats

Sayreville Junction weather statistics
Hottest month: July 29.1°C 84.4°F
Driest month: February 80mm 3.1ins
Sunniest month: August 9.1hrs
Coldest month: January 2.8°C 37°F
Wettest month: July 119mm 4.7ins
Warmest sea: August 23.1°C 73.6°F
Map showing location of Sayreville Junction (40.46538, -74.33043) Sayreville Junction map pin © Google

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