Houlton weather in August: Houlton, Maine: normal highs, lows, rain and records for August

Houlton in August has a normal high of 77°F and a normal low of 52°F, a daily mean of 64°F, falling from 78°F on the 1st to 74°F by the 31st. Measurable precipitation falls on 12 days in a normal August, 3.52 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 25°C and low of 11°C, 89 mm of precipitation in August.

  • NOAA stationHoulton International Airport
  • Station IDUSW00014609
  • Location46.12°N 67.79°W
  • Elevation476 ft (145 m)
  • Population (town)6,005
  • Census place4,958
  1. Jan 23° 3°
  2. Feb 26° 3°
  3. Mar 36° 15°
  4. Apr 49° 28°
  5. May 64° 39°
  6. Jun 73° 48°
  7. Jul 78° 54°
  8. Aug 77° 52°
  9. Sep 68° 44°
  10. Oct 55° 34°
  11. Nov 41° 25°
  12. Dec 30° 12°

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

How warm is Houlton in August?

The normal high is 77°F and the normal low 52°F, for a daily mean of 64.4°F. August is 1.7°F cooler than July and 8.2°F warmer than September. August is the 2nd warmest month of the year in Houlton and the 5th wettest. Across the month the normal high falls 4°F, from 78°F on August 1 to 74°F on August 31. From one year to the next August's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 63°F and 66°F.

Houlton 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 40%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 178°F54°F40%24%
August 878°F53°F39%23%
August 1577°F53°F37%22%
August 2276°F51°F36%21%
August 3174°F49°F36%20%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Houlton: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 178°F54°F40%24%14 h 50 min
August 278°F54°F40%24%14 h 50 min
August 378°F54°F40%24%14 h 50 min
August 478°F54°F39%24%14 h 40 min
August 578°F54°F39%24%14 h 40 min
August 678°F54°F39%23%14 h 40 min
August 778°F53°F39%23%14 h 40 min
August 878°F53°F39%23%14 h 30 min
August 978°F53°F38%23%14 h 30 min
August 1078°F53°F38%23%14 h 30 min
August 1178°F53°F38%23%14 h 20 min
August 1278°F53°F38%22%14 h 20 min
August 1377°F53°F38%22%14 h 20 min
August 1477°F53°F38%22%14 h 20 min
August 1577°F53°F37%22%14 h 10 min
August 1677°F52°F37%22%14 h 10 min
August 1777°F52°F37%22%14 h 10 min
August 1877°F52°F37%21%14 h
August 1977°F52°F37%21%14 h
August 2076°F52°F37%21%14 h
August 2176°F52°F37%21%14 h
August 2276°F51°F36%21%13 h 50 min
August 2376°F51°F36%21%13 h 50 min
August 2476°F51°F36%20%13 h 50 min
August 2575°F51°F36%20%13 h 40 min
August 2675°F51°F36%20%13 h 40 min
August 2775°F50°F36%20%13 h 40 min
August 2875°F50°F36%20%13 h 30 min
August 2975°F50°F36%20%13 h 30 min
August 3074°F50°F36%20%13 h 30 min
August 3174°F49°F36%20%13 h 30 min
Normal high
77°FAugust average
Normal low
52°FAugust average
Precipitation
3.52 inmonth total
Days with precipitation
120.01 inch or more
Days at 90°F or more
1
Daylight
14 h 50 min to 13 h 30 minAugust 1 to August 31
Days at 70°F or more
27
Days at 80°F or more
10
Sunshine
73%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014609; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Houlton in August?

On a given August day the chance of 0.01 inch or more is 37% on average, highest around August 1 (40%). In all, 3.52 in falls on 12 days of a normal August, 1 of them with an inch or more.

In a normal August in Houlton, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014609.

How humid and windy is Houlton in August?

At 3 p.m. the normal temperature is 72°F with 54% relative humidity and a dew point of 54°F; at 6 a.m. it is 54°F with 91% humidity. The wind averages 6.1 mph, most often from the west in the afternoon.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.54°F51°F91%4.1 mph–
9 a.m.64°F54°F70%7.8 mph–
noon70°F54°F57%9.5 mph–
3 p.m.72°F54°F54%9.3 mph–
6 p.m.66°F55°F69%5.1 mph–
9 p.m.58°F54°F84%4.6 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014609. 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 Houlton?

The warmest August temperature on this station's record (since 1948) is 99°F, on August 2, 1975; the coldest is 30°F, on August 28, 1978. The wettest August brought 9.75 in (1963).

The August mean against the 1991-2020 normal of 64.4°F: 2021 69.2°F (+4.8), 2022 66.5°F (+2.1), 2023 62.7°F (−1.7), 2024 65.5°F (+1.1), 2025 63.5°F (−0.9), 2026 66.2°F (+1.8). 4 of 6 ran warmer than normal.

Houlton: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202169.2°F+4.8°F3.49 in
202266.5°F+2.1°F5.57 in
202362.7°F−1.7°F5.38 in
202465.5°F+1.1°F2.51 in
202563.5°F−0.9°F1.46 in
202666.2°F+1.8°F2.49 in

Source: records: ACIS, station USW00014609; recent months: ACIS, station USW00014609. Records and recent months use complete months only.

How does August in Houlton compare across Maine?

Across the 42 places PlainClimate covers in Maine, August normal highs run from 74°F in Limestone to 81°F in Fryeburg; Houlton's is 77°F.

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

Other months and places