Norristown, Pennsylvania, United States Climate
Weather: 2.78°C/37.0°F, Wind SW at 0.45 km/h, 80% Humidity, 0% Chance of rain
(Photo by Donnie Rosie on Unsplash)
Norristown Climate Summary
Located at an elevation of 47.0 meters (154.2 feet) above sea level, Norristown has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 14.66ºC (58.39ºF) and it is 2.02% higher than United States’s averages. Norristown typically receives about 31.16 millimeters (1.23 inches) of precipitation and has 42.55 rainy days (11.66% of the time) annually.
Country | United States |
City | Pennsylvania |
Longitude | -75.3399048 |
Latitude | 40.121497 |
Attitude/Elevation | 47.0m (154.2ft) |
Local time | Friday 11:18 |
Annual high temperature | 17.51ºC (63.52ºF) |
Annual low temperature | 10.02ºC (50.04ºF) |
Average annual precip. | 31.16mm (1.23in) |
Warmest month | July (31.96ºC / 89.53ºF) |
Coldest Month | January (-2.42ºC / 27.64ºF) |
Wettest Month | August (55.45mm / 2.18in) |
Driest Month | January (21.09mm / 0.83in) |
Number of days with rainfall (≥ 1.0 mm) | 42.55 days (11.66%) |
Days with no rain | 322.45 days (88.34%) |
Humidity | 65.59% |
Climate Norristown: Weather By Month
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Record high °C (°F) | 16.0(60.8) | 23.0(73.4) | 22.0(71.6) | 28.0(82.4) | 33.0(91.4) | 38.0(100.4) | 40.0(104.0) | 36.0(96.8) | 37.0(98.6) | 32.0(89.6) | 24.0(75.2) | 15.0(59.0) | 40.0(104.0) |
Average high °C (°F) | 3.53(38.35) | 6.74(44.13) | 9.59(49.26) | 15.46(59.83) | 22.71(72.88) | 27.77(81.99) | 31.96(89.53) | 29.92(85.86) | 26.31(79.36) | 19.23(66.61) | 10.9(51.62) | 6.0(42.8) | 17.51(63.52) |
Daily mean °C (°F) | 1.19(34.14) | 4.19(39.54) | 6.58(43.84) | 12.3(54.14) | 19.46(67.03) | 24.64(76.35) | 28.84(83.91) | 26.99(80.58) | 23.13(73.63) | 16.35(61.43) | 8.31(46.96) | 3.96(39.13) | 14.66(58.39) |
Average low °C (°F) | -2.42(27.64) | 0.14(32.25) | 2.1(35.78) | 7.2(44.96) | 13.63(56.53) | 18.76(65.77) | 22.94(73.29) | 22.08(71.74) | 18.57(65.43) | 11.97(53.55) | 4.52(40.14) | 0.72(33.3) | 10.02(50.04) |
Record low °C (°F) | -18.0(-0.4) | -15.0(5.0) | -10.0(14.0) | -1.0(30.2) | 3.0(37.4) | 11.0(51.8) | 17.0(62.6) | 17.0(62.6) | 9.0(48.2) | 2.0(35.6) | -6.0(21.2) | -9.0(15.8) | -18.0(-0.4) |
Average precipitation mm (inches) | 21.09(0.83) | 25.57(1.01) | 24.44(0.96) | 24.98(0.98) | 38.77(1.53) | 34.66(1.36) | 40.49(1.59) | 55.45(2.18) | 30.24(1.19) | 24.7(0.97) | 22.34(0.88) | 31.15(1.23) | 31.16(1.23) |
Average precipitation days (≥ 1.0 mm) | 2.09 | 3.45 | 3.0 | 3.45 | 4.73 | 4.27 | 4.64 | 5.64 | 3.55 | 2.64 | 2.27 | 2.82 | 3.55 |
Average relative humidity (%) | 66.82 | 68.58 | 64.28 | 61.31 | 65.7 | 62.46 | 61.73 | 65.56 | 66.53 | 67.76 | 64.67 | 71.7 | 65.59 |
Mean monthly sunshine hours | 7.34 | 8.43 | 9.42 | 9.42 | 12.32 | 13.14 | 13.58 | 10.48 | 9.98 | 9.26 | 7.16 | 6.28 | 9.73 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Norristown in recent years.
Norristown Temperature by Month
July | 28.84°C | 83.91°F | |
August | 26.99°C | 80.58°F | |
June | 24.64°C | 76.35°F | |
September | 23.13°C | 73.63°F | |
May | 19.46°C | 67.03°F | |
October | 16.35°C | 61.43°F | |
April | 12.3°C | 54.14°F | |
November | 8.31°C | 46.96°F | |
March | 6.58°C | 43.84°F | |
February | 4.19°C | 39.54°F | |
December | 3.96°C | 39.13°F | |
January | 1.19°C | 34.14°F |
Historical Data
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 19.0°C (66.2°F) | 7.52°C (45.54°F) | 0.0°C (0°F) | |
Avg Temperature | 14.0°C (57.2°F) | 4.61°C (40.3°F) | -0.0°C (0°F) | |
Min Temperature | 7.0°C (44.6°F) | 0.16°C (32.29°F) | -3.0°C (26.6°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 9.0°C (48.2°F) | -2.45°C (27.59°F) | -9.0°C (15.8°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 29.8mm | 1.17in | 3.16mm | 0.12in | 0.0mm | 0in | 98.0mm | 3.86in |
Snowdepth | 15.6mm | 0.61in | 1.38mm | 0.05in | 0.0mm | 0in | 42.8mm | 1.69in |
Wind | Max | Average | Min | |
Wind | 29.0kmh | 18.02mph | 14.06kmh | 8.74mph | 5.0kmh | 3.11mph | |
Gust Wind | 41.0kmh | 25.48mph | 19.77kmh | 12.28mph | 6.0kmh | 3.73mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 29.8mb | 3.16mb | 0.0mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
March | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2018-03-01 | 11 | 51.8 | 6 | 42.8 | 76 | 8 | 4.97 | 29.77 | 1008 | 8.4 | 0.33 |
2018-03-02 | 4 | 39.2 | 1 | 33.8 | 82 | 29 | 18.02 | 29.53 | 1000 | 29.8 | 1.17 |
2018-03-03 | 5 | 41.0 | -2 | 28.4 | 69 | 26 | 16.16 | 30.03 | 1017 | 0.1 | 0.0 |
2018-03-04 | 4 | 39.2 | -5 | 23.0 | 58 | 21 | 13.05 | 30.18 | 1022 | 0.0 | 0.0 |
2018-03-05 | 3 | 37.4 | -6 | 21.2 | 56 | 17 | 10.56 | 30.12 | 1020 | 0.0 | 0.0 |
2018-03-06 | 6 | 42.8 | -3 | 26.6 | 60 | 9 | 5.59 | 30.03 | 1017 | 0.6 | 0.02 |
2018-03-07 | 1 | 33.8 | 1 | 33.8 | 94 | 15 | 9.32 | 29.74 | 1007 | 20.8 | 0.82 |
2018-03-08 | -0 | 32.0 | -3 | 26.6 | 84 | 13 | 8.08 | 29.8 | 1009 | 0.2 | 0.01 |
2018-03-09 | 2 | 35.6 | -5 | 23.0 | 65 | 19 | 11.81 | 29.83 | 1010 | 0.3 | 0.01 |
2018-03-10 | 3 | 37.4 | -6 | 21.2 | 58 | 14 | 8.7 | 30.0 | 1016 | 0.0 | 0.0 |
2018-03-11 | 4 | 39.2 | -4 | 24.8 | 59 | 8 | 4.97 | 30.12 | 1020 | 0.0 | 0.0 |
2018-03-12 | 3 | 37.4 | -2 | 28.4 | 73 | 12 | 7.46 | 29.94 | 1014 | 1.7 | 0.07 |
2018-03-13 | 2 | 35.6 | -3 | 26.6 | 71 | 18 | 11.18 | 29.77 | 1008 | 1.3 | 0.05 |
2018-03-14 | 1 | 33.8 | -6 | 21.2 | 61 | 23 | 14.29 | 29.71 | 1006 | 0.8 | 0.03 |
2018-03-15 | 4 | 39.2 | -6 | 21.2 | 56 | 17 | 10.56 | 29.68 | 1005 | 0.3 | 0.01 |
2018-03-16 | 2 | 35.6 | -8 | 17.6 | 51 | 19 | 11.81 | 29.85 | 1011 | 0.0 | 0.0 |
2018-03-17 | 4 | 39.2 | -9 | 15.8 | 45 | 14 | 8.7 | 29.91 | 1013 | 0.0 | 0.0 |
2018-03-18 | 5 | 41.0 | -7 | 19.4 | 49 | 9 | 5.59 | 29.94 | 1014 | 0.0 | 0.0 |
2018-03-19 | 7 | 44.6 | -5 | 23.0 | 48 | 9 | 5.59 | 29.94 | 1014 | 0.0 | 0.0 |
2018-03-20 | 1 | 33.8 | -6 | 21.2 | 63 | 15 | 9.32 | 29.88 | 1012 | 5.0 | 0.2 |
2018-03-21 | -0 | 32.0 | -1 | 30.2 | 92 | 17 | 10.56 | 29.71 | 1006 | 18.3 | 0.72 |
2018-03-22 | 1 | 33.8 | -0 | 32.0 | 92 | 14 | 8.7 | 29.91 | 1013 | 0.3 | 0.01 |
2018-03-23 | 4 | 39.2 | -2 | 28.4 | 71 | 13 | 8.08 | 30.09 | 1019 | 1.0 | 0.04 |
2018-03-24 | 5 | 41.0 | -3 | 26.6 | 66 | 12 | 7.46 | 30.15 | 1021 | 0.2 | 0.01 |
2018-03-25 | 3 | 37.4 | -3 | 26.6 | 69 | 12 | 7.46 | 30.39 | 1029 | 1.6 | 0.06 |
2018-03-26 | 6 | 42.8 | -4 | 24.8 | 56 | 9 | 5.59 | 30.68 | 1039 | 0.0 | 0.0 |
2018-03-27 | 6 | 42.8 | -4 | 24.8 | 58 | 6 | 3.73 | 30.47 | 1032 | 0.9 | 0.04 |
2018-03-28 | 8 | 46.4 | 4 | 39.2 | 80 | 5 | 3.11 | 30.09 | 1019 | 2.2 | 0.09 |
2018-03-29 | 14 | 57.2 | 9 | 48.2 | 84 | 6 | 3.73 | 29.94 | 1014 | 0.7 | 0.03 |
2018-03-30 | 13 | 55.4 | 9 | 48.2 | 75 | 15 | 9.32 | 29.83 | 1010 | 3.5 | 0.14 |
2018-03-31 | 11 | 51.8 | -3 | 26.6 | 45 | 12 | 7.46 | 30.21 | 1023 | 0.0 | 0.0 |
Norristown 3 Year Historical Weather Data
Nearby locations
- King of Prussia 4.35 km ( 2.70 mi)
- Phoenixville 14.95 km ( 9.29 mi)
- West Oak Lane 17.71 km ( 11.01 mi)
- Willow Grove 19.27 km ( 11.97 mi)
- Drexel Hill 19.79 km ( 12.30 mi)
- West Kensington 22.78 km ( 14.15 mi)
- Paschall 23.55 km ( 14.63 mi)
- Oxford Circle 24.10 km ( 14.98 mi)
- Point Breeze 25.03 km ( 15.56 mi)
- Bustleton 25.09 km ( 15.59 mi)
- Wissinoming 26.47 km ( 16.45 mi)
- Pottstown 29.75 km ( 18.48 mi)
- Chester 30.22 km ( 18.78 mi)
- Parkwood Manor 31.87 km ( 19.80 mi)
- Mechanicsville 36.92 km ( 22.94 mi)
- Modena 43.09 km ( 26.77 mi)
- Whitehall 61.00 km ( 37.90 mi)
- Easton 63.76 km ( 39.62 mi)
- Lebanon 94.38 km ( 58.65 mi)
- Shiloh 125.37 km ( 77.90 mi)
- Weigelstown 127.43 km ( 79.18 mi)
- Waynesboro 195.52 km ( 121.49 mi)
- Logan 268.21 km ( 166.66 mi)
- Johnstown 305.71 km ( 189.96 mi)
- St. Marys 308.15 km ( 191.47 mi)
- Indiana 328.50 km ( 204.12 mi)
- Murrysville 372.14 km ( 231.24 mi)
- Lower Burrell 375.68 km ( 233.44 mi)
- New Kensington 379.18 km ( 235.61 mi)
- Monroeville 379.76 km ( 235.97 mi)
- West Mifflin 386.06 km ( 239.89 mi)
- Wilkinsburg 387.86 km ( 241.00 mi)
- Munhall 389.06 km ( 241.75 mi)
- Jefferson Hills 391.36 km ( 243.18 mi)
- Squirrel Hill South 391.75 km ( 243.42 mi)
- Oil City 396.32 km ( 246.26 mi)
- Washington 418.05 km ( 259.76 mi)
- Meadville 439.19 km ( 272.90 mi)
- Sharon 452.77 km ( 281.34 mi)
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