Caribou weather in August: Caribou, Maine: normal highs, lows, rain and records for August
Caribou in August has a normal high of 76°F and a normal low of 54°F, a daily mean of 65°F, falling from 77°F on the 1st to 73°F by the 31st. Measurable precipitation falls on 13 days in a normal August, 3.61 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 12°C, 92 mm of precipitation in August.
- NOAA stationCaribou Weather Office
- Station IDUSW00014607
- Location46.87°N 68.02°W
- Elevation624 ft (190 m)
- Population7,328
- Jan 21° 3°
- Feb 24° 4°
- Mar 34° 16°
- Apr 48° 29°
- May 63° 41°
- Jun 72° 51°
- Jul 77° 56°
- Aug 76° 54°
- Sep 67° 46°
- Oct 53° 36°
- Nov 40° 26°
- Dec 28° 12°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Caribou in August?
The normal high is 76°F and the normal low 54°F, for a daily mean of 64.9°F. August is 1.8°F cooler than July and 8.3°F warmer than September. August is the 2nd warmest month of the year in Caribou and the 4th wettest. Across the month the normal high falls 4°F, from 77°F on August 1 to 73°F on August 31. From one year to the next August's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 63°F and 67°F.
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 44%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 77°F | 56°F | 44% | 26% |
| August 8 | 77°F | 56°F | 42% | 25% |
| August 15 | 76°F | 55°F | 41% | 24% |
| August 22 | 75°F | 53°F | 40% | 23% |
| August 31 | 73°F | 51°F | 39% | 23% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 77°F | 56°F | 44% | 26% | 15 h |
| August 2 | 77°F | 56°F | 44% | 26% | 14 h 50 min |
| August 3 | 77°F | 56°F | 44% | 26% | 14 h 50 min |
| August 4 | 77°F | 56°F | 43% | 26% | 14 h 50 min |
| August 5 | 77°F | 56°F | 43% | 26% | 14 h 50 min |
| August 6 | 77°F | 56°F | 43% | 25% | 14 h 40 min |
| August 7 | 77°F | 56°F | 42% | 25% | 14 h 40 min |
| August 8 | 77°F | 56°F | 42% | 25% | 14 h 40 min |
| August 9 | 77°F | 55°F | 42% | 25% | 14 h 30 min |
| August 10 | 77°F | 55°F | 42% | 25% | 14 h 30 min |
| August 11 | 77°F | 55°F | 42% | 25% | 14 h 30 min |
| August 12 | 76°F | 55°F | 41% | 25% | 14 h 30 min |
| August 13 | 76°F | 55°F | 41% | 24% | 14 h 20 min |
| August 14 | 76°F | 55°F | 41% | 24% | 14 h 20 min |
| August 15 | 76°F | 55°F | 41% | 24% | 14 h 20 min |
| August 16 | 76°F | 54°F | 41% | 24% | 14 h 10 min |
| August 17 | 76°F | 54°F | 41% | 24% | 14 h 10 min |
| August 18 | 76°F | 54°F | 41% | 24% | 14 h 10 min |
| August 19 | 76°F | 54°F | 40% | 24% | 14 h |
| August 20 | 75°F | 54°F | 40% | 24% | 14 h |
| August 21 | 75°F | 54°F | 40% | 23% | 14 h |
| August 22 | 75°F | 53°F | 40% | 23% | 14 h |
| August 23 | 75°F | 53°F | 40% | 23% | 13 h 50 min |
| August 24 | 75°F | 53°F | 40% | 23% | 13 h 50 min |
| August 25 | 75°F | 53°F | 40% | 23% | 13 h 50 min |
| August 26 | 74°F | 52°F | 39% | 23% | 13 h 40 min |
| August 27 | 74°F | 52°F | 39% | 23% | 13 h 40 min |
| August 28 | 74°F | 52°F | 39% | 23% | 13 h 40 min |
| August 29 | 74°F | 52°F | 39% | 23% | 13 h 30 min |
| August 30 | 73°F | 51°F | 39% | 23% | 13 h 30 min |
| August 31 | 73°F | 51°F | 39% | 23% | 13 h 30 min |
- Normal high
- 76°FAugust average
- Normal low
- 54°FAugust average
- Precipitation
- 3.61 inmonth total
- Days with precipitation
- 130.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 15 h to 13 h 30 minAugust 1 to August 31
- Days at 70°F or more
- 25
- Days at 80°F or more
- 8
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014607; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Caribou in August?
On a given August day the chance of 0.01 inch or more is 41% on average, highest around August 1 (44%). In all, 3.61 in falls on 13 days of a normal August, 1 of them with an inch or more.
In a normal August in Caribou, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014607.
How humid and windy is Caribou in August?
At 3 p.m. the normal temperature is 70°F with 54% relative humidity and a dew point of 53°F; at 6 a.m. it is 54°F with 90% humidity. The wind averages 6.2 mph, most often from the west in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 54°F | 51°F | 90% | 4.4 mph | 60% |
| 9 a.m. | 63°F | 54°F | 71% | 7.4 mph | 55% |
| noon | 69°F | 53°F | 58% | 9.0 mph | 44% |
| 3 p.m. | 70°F | 53°F | 54% | 9.0 mph | 50% |
| 6 p.m. | 66°F | 53°F | 65% | 6.0 mph | 61% |
| 9 p.m. | 60°F | 53°F | 79% | 4.8 mph | 69% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014607. 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 Caribou?
The warmest August temperature on Caribou's official record (since 1939) is 95°F, on August 16, 1944; the coldest is 34°F, on August 26, 1942. The wettest August brought 12.09 in (1981).
The August mean against the 1991-2020 normal of 64.9°F: 2021 69.5°F (+4.6), 2022 66.3°F (+1.4), 2023 63.2°F (−1.7), 2024 66.5°F (+1.5), 2025 64.2°F (−0.7), 2026 66.0°F (+1.1). 4 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.5°F | +4.6°F | 2.46 in |
| 2022 | 66.3°F | +1.4°F | 3.75 in |
| 2023 | 63.2°F | −1.7°F | 6.60 in |
| 2024 | 66.5°F | +1.5°F | 3.63 in |
| 2025 | 64.2°F | −0.7°F | 3.25 in |
| 2026 | 66.0°F | +1.1°F | 3.74 in |
Source: records: ACIS, NWS threaded record CARthr; recent months: ACIS, station USW00014607. Records and recent months use complete months only.
How does August in Caribou 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; Caribou's is 76°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.