Iselin, New Jersey, United States Climate

Weather: 10.42°C/50.76°F, Wind SW at 2.57 km/h, 46% Humidity, 0% Chance of rain

United States
(Photo by David Groves on Unsplash)
Contents

Iselin Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Iselin has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 14.84ºC (58.71ºF) and it is 2.2% higher than United States’s averages. Iselin typically receives about 21.75 millimeters (0.86 inches) of precipitation and has 38.0 rainy days (10.41% of the time) annually.

CountryUnited States
CityNew Jersey
Longitude-74.3223703
Latitude40.5753817
Attitude/ElevationNonem (0ft)
Local timeWednesday 05:33
Annual high temperature17.15ºC (62.87ºF)
Annual low temperature11.09ºC (51.96ºF)
Average annual precip.21.75mm (0.86in)
Warmest monthJuly (31.4ºC / 88.52ºF)
Coldest MonthJanuary (-1.54ºC / 29.23ºF)
Wettest MonthAugust (31.16mm / 1.23in)
Driest MonthJanuary (13.26mm / 0.52in)
Number of days with rainfall (≥ 1.0 mm)38.0 days (10.41%)
Days with no rain327.0 days (89.59%)
Humidity64.43%

Climate Iselin: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)16.0(60.8)21.0(69.8)20.0(68.0)25.0(77.0)31.0(87.8)38.0(100.4)38.0(100.4)35.0(95.0)35.0(95.0)30.0(86.0)25.0(77.0)15.0(59.0)38.0(100.4)
Average high °C (°F)3.87(38.97)6.68(44.02)8.94(48.09)14.12(57.42)21.1(69.98)27.06(80.71)31.4(88.52)29.55(85.19)26.02(78.84)19.23(66.61)11.54(52.77)6.34(43.41)17.15(62.87)
Daily mean °C (°F)1.85(35.33)4.33(39.79)6.61(43.9)11.71(53.08)18.53(65.35)24.41(75.94)28.98(84.16)27.37(81.27)23.51(74.32)16.92(62.46)9.38(48.88)4.53(40.15)14.84(58.71)
Average low °C (°F)-1.54(29.23)0.8(33.44)2.88(37.18)7.54(45.57)14.02(57.24)19.97(67.95)24.6(76.28)23.67(74.61)20.11(68.2)13.31(55.96)6.12(43.02)1.62(34.92)11.09(51.96)
Record low °C (°F)-15.0(5.0)-13.0(8.6)-7.0(19.4)0.0(0)4.0(39.2)13.0(55.4)19.0(66.2)17.0(62.6)13.0(55.4)2.0(35.6)-6.0(21.2)-8.0(17.6)-15.0(5.0)
Average precipitation mm (inches)13.26(0.52)18.41(0.72)19.64(0.77)19.26(0.76)23.19(0.91)19.35(0.76)30.53(1.2)31.16(1.23)17.69(0.7)18.66(0.73)20.68(0.81)29.15(1.15)21.75(0.86)
Average precipitation days (≥ 1.0 mm)1.823.092.452.733.913.735.04.553.182.362.362.823.17
Average relative humidity (%)63.6866.2963.3761.6665.2661.8862.164.1464.9866.0663.1870.5464.43
Mean monthly sunshine hours7.588.469.189.6912.5913.2713.6711.279.878.987.056.349.83

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Iselin in recent years.

Iselin

Iselin Temperature by Month

July
28.98°C | 84.16°F
August
27.37°C | 81.27°F
June
24.41°C | 75.94°F
September
23.51°C | 74.32°F
May
18.53°C | 65.35°F
October
16.92°C | 62.46°F
April
11.71°C | 53.08°F
November
9.38°C | 48.88°F
March
6.61°C | 43.9°F
December
4.53°C | 40.15°F
February
4.33°C | 39.79°F
January
1.85°C | 35.33°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature38.0°C (100.4°F)31.16°C (88.09°F)26.0°C (78.8°F)
Avg Temperature35.0°C (95.0°F)28.81°C (83.86°F)24.0°C (75.2°F)
Min Temperature28.0°C (82.4°F)24.06°C (75.31°F)19.0°C (66.2°F)
Dew PointMaxAverageMin
Dew Point24.0°C (75.2°F)19.06°C (66.31°F)11.0°C (51.8°F)
PrecipitationMaxAverageMinSum
Precipitation24.0mm | 0.94in5.41mm | 0.21in0.0mm | 0in167.8mm | 6.61in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind23.0kmh | 14.29mph10.77kmh | 6.69mph5.0kmh | 3.11mph
Gust Wind31.0kmh | 19.26mph13.74kmh | 8.54mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure24.0mb5.41mb0.0mb
Iselin

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-07-0133 | 91.421 | 69.8556 | 3.7330.03 | 10170.0 | 0.0
2018-07-0235 | 95.023 | 73.4588 | 4.9730.06 | 10180.2 | 0.01
2018-07-0333 | 91.424 | 75.2685 | 3.1130.15 | 10217.1 | 0.28
2018-07-0430 | 86.023 | 73.4726 | 3.7330.27 | 10259.8 | 0.39
2018-07-0530 | 86.023 | 73.47011 | 6.8430.24 | 10242.0 | 0.08
2018-07-0627 | 80.619 | 66.26716 | 9.9430.06 | 10188.1 | 0.32
2018-07-0726 | 78.811 | 51.84514 | 8.730.3 | 10260.0 | 0.0
2018-07-0829 | 84.215 | 59.0486 | 3.7330.33 | 10270.0 | 0.0
2018-07-0931 | 87.817 | 62.6509 | 5.5930.18 | 10220.0 | 0.0
2018-07-1032 | 89.619 | 66.2548 | 4.9729.94 | 10142.5 | 0.1
2018-07-1128 | 82.418 | 64.4609 | 5.5929.94 | 10142.8 | 0.11
2018-07-1227 | 80.616 | 60.8576 | 3.7330.15 | 10211.3 | 0.05
2018-07-1328 | 82.417 | 62.6568 | 4.9730.21 | 10230.0 | 0.0
2018-07-1429 | 84.217 | 62.65512 | 7.4630.09 | 10191.3 | 0.05
2018-07-1528 | 82.420 | 68.06710 | 6.2130.0 | 101618.1 | 0.71
2018-07-1631 | 87.822 | 71.6699 | 5.5929.94 | 10146.4 | 0.25
2018-07-1728 | 82.422 | 71.67512 | 7.4629.85 | 101124.0 | 0.94
2018-07-1828 | 82.415 | 59.05213 | 8.0829.91 | 10130.0 | 0.0
2018-07-1930 | 86.016 | 60.8479 | 5.5930.06 | 10180.0 | 0.0
2018-07-2029 | 84.217 | 62.65510 | 6.2130.12 | 10200.0 | 0.0
2018-07-2124 | 75.216 | 60.86519 | 11.8130.03 | 101714.7 | 0.58
2018-07-2227 | 80.621 | 69.87523 | 14.2929.88 | 101211.0 | 0.43
2018-07-2327 | 80.622 | 71.67920 | 12.4330.09 | 101914.7 | 0.58
2018-07-2427 | 80.622 | 71.67721 | 13.0530.15 | 102114.1 | 0.56
2018-07-2526 | 78.821 | 69.87816 | 9.9429.97 | 101515.4 | 0.61
2018-07-2629 | 84.221 | 69.8708 | 4.9729.88 | 10122.9 | 0.11
2018-07-2730 | 86.021 | 69.8677 | 4.3529.97 | 10157.9 | 0.31
2018-07-2829 | 84.220 | 68.0656 | 3.7329.97 | 10153.4 | 0.13
2018-07-2928 | 82.416 | 60.85210 | 6.2130.06 | 10180.0 | 0.0
2018-07-3027 | 80.617 | 62.6598 | 4.9730.12 | 10200.0 | 0.0
2018-07-3127 | 80.619 | 66.2689 | 5.5930.09 | 10190.1 | 0.0

Iselin 3 Year Historical Weather Data

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