St. Paul weather in August: St. Paul, Alaska: normal highs, lows, rain and records for August
St. Paul in August has a normal high of 53°F and a normal low of 46°F, a daily mean of 50°F, holding near 53°F all month. Measurable precipitation falls on 18 days in a normal August, 3.06 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 12°C and low of 8°C, 78 mm of precipitation in August.
- NOAA stationSaint Paul Island Airport
- Station IDUSW00025713
- Location57.16°N 170.22°W
- Elevation35 ft (11 m)
- From the center4 miles
- Population439
- Jan 29° 21°
- Feb 29° 21°
- Mar 30° 21°
- Apr 34° 26°
- May 41° 32°
- Jun 48° 39°
- Jul 52° 44°
- Aug 53° 46°
- Sep 50° 42°
- Oct 44° 35°
- Nov 38° 30°
- Dec 33° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Paul in August?
The normal high is 53°F and the normal low 46°F, for a daily mean of 49.5°F. August is 1.6°F warmer than July and 3.5°F warmer than September. August is the warmest month of the year in St. Paul and the 2nd wettest. 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 48°F and 51°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 60%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 53°F | 46°F | 52% | 22% |
| August 8 | 53°F | 46°F | 55% | 24% |
| August 15 | 53°F | 46°F | 56% | 26% |
| August 22 | 53°F | 46°F | 58% | 28% |
| August 31 | 53°F | 45°F | 60% | 28% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 11, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 53°F | 46°F | 52% | 22% | 16 h 20 min |
| August 2 | 53°F | 46°F | 53% | 22% | 16 h 20 min |
| August 3 | 53°F | 46°F | 53% | 23% | 16 h 10 min |
| August 4 | 53°F | 46°F | 53% | 23% | 16 h 10 min |
| August 5 | 53°F | 46°F | 54% | 23% | 16 h |
| August 6 | 53°F | 46°F | 54% | 24% | 16 h |
| August 7 | 53°F | 46°F | 54% | 24% | 16 h |
| August 8 | 53°F | 46°F | 55% | 24% | 15 h 50 min |
| August 9 | 53°F | 46°F | 55% | 24% | 15 h 50 min |
| August 10 | 53°F | 46°F | 55% | 25% | 15 h 40 min |
| August 11 | 53°F | 46°F | 56% | 25% | 15 h 40 min |
| August 12 | 53°F | 46°F | 56% | 25% | 15 h 30 min |
| August 13 | 53°F | 46°F | 56% | 25% | 15 h 30 min |
| August 14 | 53°F | 46°F | 56% | 26% | 15 h 20 min |
| August 15 | 53°F | 46°F | 56% | 26% | 15 h 20 min |
| August 16 | 53°F | 46°F | 57% | 26% | 15 h 20 min |
| August 17 | 53°F | 46°F | 57% | 26% | 15 h 10 min |
| August 18 | 53°F | 46°F | 57% | 27% | 15 h 10 min |
| August 19 | 53°F | 46°F | 57% | 27% | 15 h |
| August 20 | 53°F | 46°F | 58% | 27% | 15 h |
| August 21 | 53°F | 46°F | 58% | 27% | 14 h 50 min |
| August 22 | 53°F | 46°F | 58% | 28% | 14 h 50 min |
| August 23 | 53°F | 46°F | 59% | 28% | 14 h 40 min |
| August 24 | 53°F | 46°F | 59% | 28% | 14 h 40 min |
| August 25 | 53°F | 46°F | 59% | 28% | 14 h 30 min |
| August 26 | 53°F | 46°F | 59% | 28% | 14 h 30 min |
| August 27 | 53°F | 46°F | 60% | 28% | 14 h 20 min |
| August 28 | 53°F | 46°F | 60% | 28% | 14 h 20 min |
| August 29 | 53°F | 46°F | 60% | 28% | 14 h 20 min |
| August 30 | 53°F | 46°F | 60% | 28% | 14 h 10 min |
| August 31 | 53°F | 45°F | 60% | 28% | 14 h 10 min |
- Normal high
- 53°FAugust average
- Normal low
- 46°FAugust average
- Precipitation
- 3.06 inmonth total
- Days with precipitation
- 180.01 inch or more
- Daylight
- 16 h 20 min to 14 h 10 minAugust 1 to August 31
- Sunshine
- 51%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00025713; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in St. Paul in August?
On a given August day the chance of 0.01 inch or more is 57% on average, highest around August 31 (60%). In all, 3.06 in falls on 18 days of a normal August.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00025713.
How humid and windy is St. Paul in August?
At 3 p.m. the normal temperature is 51°F with 86% relative humidity and a dew point of 47°F; at 6 a.m. it is 47°F with 94% humidity. The wind averages 13.3 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 47°F | 45°F | 94% | 12.2 mph | – |
| 9 a.m. | 48°F | 46°F | 93% | 12.6 mph | – |
| noon | 50°F | 47°F | 89% | 14.5 mph | – |
| 3 p.m. | 51°F | 47°F | 86% | 15.4 mph | – |
| 6 p.m. | 50°F | 46°F | 87% | 14.6 mph | – |
| 9 p.m. | 48°F | 46°F | 92% | 12.6 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00025713. 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 St. Paul?
The warmest August temperature on this station's record (since 1892) is 66°F, on August 25, 1987; the coldest is 29°F, on August 15, 1981. The wettest August brought 9.32 in (1953).
The August mean against the 1991-2020 normal of 49.5°F: 2021 50.1°F (+0.6), 2022 47.8°F (−1.7), 2023 50.0°F (+0.5), 2024 48.0°F (−1.5), 2026 49.1°F (−0.4). 2 of 5 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.1°F | +0.6°F | 4.15 in |
| 2022 | 47.8°F | −1.7°F | 1.41 in |
| 2023 | 50.0°F | +0.5°F | 3.29 in |
| 2024 | 48.0°F | −1.5°F | 3.60 in |
| 2026 | 49.1°F | −0.4°F | 6.34 in |
Source: records: ACIS, station USW00025713; recent months: ACIS, station USW00025713. Records and recent months use complete months only.
How does August in St. Paul compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, August normal highs run from 45°F in Utqiaġvik to 68°F in Two Rivers; St. Paul's is 53°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.