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

Augusta in August has a normal high of 79°F and a normal low of 59°F, a daily mean of 69°F, falling from 80°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 11 days in a normal August, 3.41 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 15°C, 87 mm of precipitation in August.

  • NOAA stationAugusta State Airport
  • Station IDUSW00014605
  • Location44.32°N 69.80°W
  • Elevation350 ft (107 m)
  • From the center3 miles
  • Population19,168
  1. Jan 29° 12°
  2. Feb 32° 14°
  3. Mar 41° 23°
  4. Apr 54° 34°
  5. May 66° 45°
  6. Jun 74° 54°
  7. Jul 80° 60°
  8. Aug 79° 59°
  9. Sep 71° 51°
  10. Oct 58° 40°
  11. Nov 46° 30°
  12. Dec 35° 20°

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

How warm is Augusta in August?

The normal high is 79°F and the normal low 59°F, for a daily mean of 68.9°F. August is 1.2°F cooler than July and 7.9°F warmer than September. August is the 2nd warmest month of the year in Augusta and the 7th wettest. Across the month the normal high falls 3°F, from 80°F on August 1 to 77°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 67°F and 71°F.

Augusta 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 37%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 180°F61°F37%21%
August 880°F60°F36%20%
August 1579°F59°F35%20%
August 2278°F58°F34%19%
August 3177°F56°F34%19%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Augusta: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 180°F61°F37%21%14 h 40 min
August 280°F61°F37%21%14 h 40 min
August 380°F61°F37%21%14 h 40 min
August 480°F60°F37%21%14 h 30 min
August 580°F60°F37%21%14 h 30 min
August 680°F60°F36%20%14 h 30 min
August 780°F60°F36%20%14 h 30 min
August 880°F60°F36%20%14 h 20 min
August 980°F60°F36%20%14 h 20 min
August 1080°F60°F36%20%14 h 20 min
August 1180°F60°F36%20%14 h 20 min
August 1280°F60°F36%20%14 h 10 min
August 1380°F60°F35%20%14 h 10 min
August 1479°F59°F35%20%14 h 10 min
August 1579°F59°F35%20%14 h 10 min
August 1679°F59°F35%19%14 h
August 1779°F59°F35%19%14 h
August 1879°F59°F35%19%14 h
August 1979°F59°F35%19%13 h 50 min
August 2079°F58°F35%19%13 h 50 min
August 2179°F58°F34%19%13 h 50 min
August 2278°F58°F34%19%13 h 50 min
August 2378°F58°F34%19%13 h 40 min
August 2478°F58°F34%19%13 h 40 min
August 2578°F58°F34%19%13 h 40 min
August 2678°F57°F34%19%13 h 30 min
August 2778°F57°F34%19%13 h 30 min
August 2877°F57°F34%19%13 h 30 min
August 2977°F57°F34%19%13 h 30 min
August 3077°F56°F34%19%13 h 20 min
August 3177°F56°F34%19%13 h 20 min
Normal high
79°FAugust average
Normal low
59°FAugust average
Precipitation
3.41 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
1
Daylight
14 h 40 min to 13 h 20 minAugust 1 to August 31
Days at 70°F or more
29
Days at 80°F or more
14
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014605; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Augusta in August?

On a given August day the chance of 0.01 inch or more is 35% on average, highest around August 1 (37%). In all, 3.41 in falls on 11 days of a normal August, 1 of them with an inch or more.

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

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014605.

How humid and windy is Augusta in August?

At 3 p.m. the normal temperature is 74°F with 51% relative humidity and a dew point of 55°F; at 6 a.m. it is 58°F with 88% humidity. The wind averages 6.3 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.58°F55°F88%4.5 mph–
9 a.m.67°F56°F68%7.0 mph65%
noon73°F55°F54%8.0 mph59%
3 p.m.74°F55°F51%8.6 mph63%
6 p.m.69°F56°F63%7.0 mph69%
9 p.m.63°F56°F78%5.7 mph68%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014605. 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 Augusta?

The warmest August temperature on this station's record (since 1948) is 100°F, on August 5, 1955; the coldest is 39°F, on August 27, 1954. The wettest August brought 9.08 in (1991).

The August mean against the 1991-2020 normal of 68.9°F: 2021 72.0°F (+3.1), 2022 72.4°F (+3.5), 2023 68.5°F (−0.4), 2024 69.8°F (+0.9), 2025 69.9°F (+1.0), 2026 71.1°F (+2.2). 5 of 6 ran warmer than normal.

Augusta: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202172.0°F+3.1°F1.12 in
202272.4°F+3.5°F2.79 in
202368.5°F−0.4°F6.75 in
202469.8°F+0.9°F4.08 in
202569.9°F+1.0°F–
202671.1°F+2.2°F2.21 in

Source: records: ACIS, station USW00014605; recent months: ACIS, station USW00014605. Records and recent months use complete months only.

How does August in Augusta 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; Augusta's is 79°F.

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

Other months and places