Monroe weather in August: Monroe, North Carolina: normal highs, lows, rain and records for August

Monroe in August has a normal high of 89°F and a normal low of 68°F, a daily mean of 78°F, falling from 90°F on the 1st to 87°F by the 31st. Measurable precipitation falls on 11 days in a normal August, 3.79 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 31°C and low of 20°C, 96 mm of precipitation in August.

  • NOAA stationMonroe Airport
  • Station IDUSW00053872
  • Location35.02°N 80.62°W
  • Elevation679 ft (207 m)
  • Population40,054
  1. Jan 53° 32°
  2. Feb 57° 35°
  3. Mar 64° 41°
  4. Apr 73° 49°
  5. May 80° 57°
  6. Jun 87° 65°
  7. Jul 91° 69°
  8. Aug 89° 68°
  9. Sep 83° 62°
  10. Oct 73° 50°
  11. Nov 63° 40°
  12. Dec 55° 34°

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

How warm is Monroe in August?

The normal high is 89°F and the normal low 68°F, for a daily mean of 78.2°F. August is 1.5°F cooler than July and 5.8°F warmer than September. August is the 2nd warmest month of the year in Monroe and the wettest. Across the month the normal high falls 3°F, from 90°F on August 1 to 87°F on August 31. From one year to the next August's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 76°F and 80°F.

Monroe 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 36%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 190°F69°F36%20%
August 889°F69°F35%20%
August 1589°F68°F34%20%
August 2288°F68°F32%18%
August 3187°F66°F30%16%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Monroe: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 190°F69°F36%20%14 h
August 290°F69°F36%20%13 h 50 min
August 390°F69°F36%20%13 h 50 min
August 490°F69°F36%20%13 h 50 min
August 590°F69°F36%20%13 h 50 min
August 690°F69°F36%20%13 h 50 min
August 790°F69°F36%20%13 h 50 min
August 889°F69°F35%20%13 h 40 min
August 989°F69°F35%20%13 h 40 min
August 1089°F69°F35%20%13 h 40 min
August 1189°F69°F35%20%13 h 40 min
August 1289°F68°F35%20%13 h 40 min
August 1389°F68°F35%20%13 h 30 min
August 1489°F68°F35%20%13 h 30 min
August 1589°F68°F34%20%13 h 30 min
August 1689°F68°F34%20%13 h 30 min
August 1789°F68°F34%19%13 h 30 min
August 1888°F68°F34%19%13 h 30 min
August 1988°F68°F33%19%13 h 20 min
August 2088°F68°F33%19%13 h 20 min
August 2188°F68°F33%19%13 h 20 min
August 2288°F68°F32%18%13 h 20 min
August 2388°F67°F32%18%13 h 20 min
August 2488°F67°F32%18%13 h 10 min
August 2588°F67°F31%17%13 h 10 min
August 2687°F67°F31%17%13 h 10 min
August 2787°F67°F31%17%13 h 10 min
August 2887°F67°F30%17%13 h 10 min
August 2987°F67°F30%17%13 h
August 3087°F66°F30%16%13 h
August 3187°F66°F30%16%13 h
Normal high
89°FAugust average
Normal low
68°FAugust average
Precipitation
3.79 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
14
Daylight
14 h to 13 hAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
29
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00053872; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Monroe in August?

On a given August day the chance of 0.01 inch or more is 33% on average, highest around August 1 (36%). In all, 3.79 in falls on 11 days of a normal August, 1 of them with an inch or more.

In a normal August in Monroe, 14 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053872.

What are the records for August in Monroe?

The warmest August temperature on this station's record (since 1999) is 105°F, on August 9, 2007; the coldest is 54°F, on August 8, 2004. The wettest August brought 10.60 in (2015).

The August mean against the 1991-2020 normal of 78.2°F: 2021 80.1°F (+1.9), 2022 78.7°F (+0.5), 2023 79.4°F (+1.2), 2024 77.3°F (−0.9), 2025 75.7°F (−2.5), 2026 80.7°F (+2.5). 4 of 6 ran warmer than normal.

Monroe: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202180.1°F+1.9°F3.41 in
202278.7°F+0.5°F0.81 in
202379.4°F+1.2°F5.34 in
202477.3°F−0.9°F5.72 in
202575.7°F−2.5°F–
202680.7°F+2.5°F6.99 in

Source: records: ACIS, station USW00053872; recent months: ACIS, station USW00053872. Records and recent months use complete months only.

How does August in Monroe compare across North Carolina?

Across the 131 places PlainClimate covers in North Carolina, August normal highs run from 68°F in Beech Mountain to 90°F in Southport; Monroe's is 89°F.

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

Other months and places