Millville weather in August: Millville, New Jersey: normal highs, lows, rain and records for August

Millville in August has a normal high of 84°F and a normal low of 64°F, a daily mean of 74°F, falling from 86°F on the 1st to 83°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 4.61 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 29°C and low of 18°C, 117 mm of precipitation in August.

  • NOAA stationMillville Municipal Airport
  • Station IDUSW00013735
  • Location39.37°N 75.07°W
  • Elevation70 ft (21 m)
  • Population27,838
  1. Jan 42° 24°
  2. Feb 45° 25°
  3. Mar 52° 31°
  4. Apr 64° 41°
  5. May 73° 50°
  6. Jun 82° 60°
  7. Jul 86° 66°
  8. Aug 84° 64°
  9. Sep 78° 57°
  10. Oct 67° 45°
  11. Nov 56° 35°
  12. Dec 47° 28°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Millville in August?

The normal high is 84°F and the normal low 64°F, for a daily mean of 74.3°F. August is 1.9°F cooler than July and 6.7°F warmer than September. August is the 2nd warmest month of the year in Millville and the wettest. Across the month the normal high falls 3°F, from 86°F on August 1 to 83°F on August 31. From one year to the next August's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 72°F and 77°F.

Millville in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 31%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 186°F66°F31%20%
August 885°F66°F31%20%
August 1585°F65°F30%19%
August 2284°F64°F28%18%
August 3183°F62°F26%17%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Millville: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 186°F66°F31%20%14 h 10 min
August 286°F66°F31%20%14 h 10 min
August 385°F66°F31%20%14 h 10 min
August 485°F66°F31%20%14 h 10 min
August 585°F66°F31%20%14 h 10 min
August 685°F66°F31%20%14 h
August 785°F66°F31%20%14 h
August 885°F66°F31%20%14 h
August 985°F65°F31%20%14 h
August 1085°F65°F31%20%14 h
August 1185°F65°F31%20%13 h 50 min
August 1285°F65°F31%20%13 h 50 min
August 1385°F65°F30%20%13 h 50 min
August 1485°F65°F30%20%13 h 50 min
August 1585°F65°F30%19%13 h 50 min
August 1685°F65°F30%19%13 h 40 min
August 1784°F64°F30%19%13 h 40 min
August 1884°F64°F29%19%13 h 40 min
August 1984°F64°F29%19%13 h 40 min
August 2084°F64°F29%19%13 h 30 min
August 2184°F64°F28%18%13 h 30 min
August 2284°F64°F28%18%13 h 30 min
August 2384°F64°F28%18%13 h 30 min
August 2484°F63°F28%18%13 h 20 min
August 2584°F63°F27%18%13 h 20 min
August 2683°F63°F27%17%13 h 20 min
August 2783°F63°F27%17%13 h 20 min
August 2883°F63°F27%17%13 h 20 min
August 2983°F62°F27%17%13 h 10 min
August 3083°F62°F26%17%13 h 10 min
August 3183°F62°F26%17%13 h 10 min
Normal high
84°FAugust average
Normal low
64°FAugust average
Precipitation
4.61 inmonth total
Days with precipitation
90.01 inch or more
Days at 90°F or more
6
Daylight
14 h 10 min to 13 h 10 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
26
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00013735; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Millville in August?

On a given August day the chance of 0.01 inch or more is 29% on average, highest around August 1 (31%). In all, 4.61 in falls on 9 days of a normal August, 1 of them with an inch or more.

In a normal August in Millville, 6 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013735.

How humid and windy is Millville in August?

At 3 p.m. the normal temperature is 81°F with 54% relative humidity and a dew point of 63°F; at 6 a.m. it is 65°F with 91% humidity. The wind averages 5.4 mph, most often from the west-southwest in the afternoon.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.65°F62°F91%3.4 mph67%
9 a.m.75°F65°F70%7.6 mph69%
noon80°F63°F56%8.2 mph59%
3 p.m.81°F63°F54%8.5 mph64%
6 p.m.76°F64°F67%5.9 mph70%
9 p.m.69°F64°F85%3.5 mph77%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00013735. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in Millville?

The warmest August temperature on this station's record (since 1943) is 101°F, on August 26, 1948; the coldest is 44°F, on August 29, 1982. The wettest August brought 12.74 in (2011).

The August mean against the 1991-2020 normal of 74.3°F: 2021 76.8°F (+2.5), 2022 77.2°F (+2.9), 2023 74.0°F (−0.3), 2024 74.2°F (−0.1), 2026 76.3°F (+2.0). 3 of 5 ran warmer than normal.

Millville: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202176.8°F+2.5°F3.72 in
202277.2°F+2.9°F3.66 in
202374.0°F−0.3°F3.49 in
202474.2°F−0.1°F3.95 in
202676.3°F+2.0°F7.91 in

Source: records: ACIS, station USW00013735; recent months: ACIS, station USW00013735. Records and recent months use complete months only.

How does August in Millville compare across New Jersey?

Across the 33 places PlainClimate covers in New Jersey, August normal highs run from 82°F in Andover to 87°F in Lambertville; Millville's is 84°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places