Sea Isle City (NJ) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Sea Isle City

Sea Isle City average temperature chart (Celsius) Sea Isle City average temperature chart (Fahrenheit)
Average monthly temperatures in Sea Isle City (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.9 6.1 10.9 15.8 21.1 25.8 28.5 27.9 24.6 19 13.4 7.7
°F 40.8 42.9 51.6 60.5 70 78.4 83.3 82.3 76.2 66.1 56.2 45.9

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.

Sea Isle City monthly rainfall chart (mm) Sea Isle City monthly rainfall chart (inches)
Average monthly rainfall in Sea Isle City (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 84 78 97 84 85 68 91 107 79 72 84 87
inches 3.3 3.1 3.8 3.3 3.4 2.7 3.6 4.2 3.1 2.8 3.3 3.4
Rainy days 11 10 10 10 10 9 10 10 8 7 9 10

Average annual rainfall in Sea Isle City: 979.333mm (385.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Sea Isle City

Sea Isle City average daily sunshine chart
Average daily sunshine Sea Isle City
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.4 7.5 8.5 8.9 9.7 9.6 9.2 8.2 7.4 6.1 5.4

Day / night temperatures

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

Sea Isle City average minimum / maximum temperatures (Celsius) Sea Isle City average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sea Isle City (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.1 -3.1 1.1 5.5 11.1 16.2 19.5 19.1 15.2 8.8 4 -1.4
Max °C 5.1 6.3 11.1 16.1 21.4 26 28.7 28.2 24.8 19.2 13.7 8
Min °F 24.6 26.4 34 41.9 51.9 61.2 67.1 66.3 59.4 47.8 39.1 29.6
Max °F 32.9 34.9 43 51.4 61.2 70 75.4 74.5 68 57.2 47.8 37.9

Sea temperature

The graph below shows the average sea temperature.

Sea Isle City average sea temperature chart (Celsius) Sea Isle City average sea temperature chart (Fahrenheit)
Average sea temperature around Sea Isle City in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.3 3.3 3.6 6.5 11.3 17.2 22.2 23.6 21.5 17.2 12.4 8.4
°F 41.5 38 38.6 43.6 52.3 62.9 72 74.4 70.7 63 54.4 47.2

Wind speed

The graph below shows the average wind speed.

Sea Isle City average winspeed by month (km/h) Sea Isle City average winspeed by month (mph)
Average wind speed in Sea Isle City (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 18 19 19 17 16 14 13 14 15 17 17
mph 11 11 12 12 10 10 9 8 9 9 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.

Sea Isle City relative humidity averages
Average relative humidity in Sea Isle City
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 68% 67% 66% 71% 73% 75% 77% 76% 75% 72% 71%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Sea Isle City weather stats

Sea Isle City weather statistics
Hottest month: July 28.5°C 83.3°F
Driest month: June 68mm 2.7ins
Sunniest month: August 9.2hrs
Coldest month: January 4.9°C 40.8°F
Wettest month: August 107mm 4.2ins
Warmest sea: August 23.6°C 74.5°F
Map showing location of Sea Isle City (39.15345, -74.69294) Sea Isle City map pin © Google

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