Fairbanks, AK weather in August
August in Fairbanks: mild, with frequent rain. Highs 66°F, lows 48°F, rain on about 14 days.
- Normal high
- 66°F
- Normal low
- 48°F
- Wet days
- 14
- 2.1 in total
- Muggy days
- 0
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 70°F | 62°F |
| Normal low | 51°F | 43°F |
| Chance of a wet day | 44% | 41% |
| Sunrise / sunset | 4:51 am / 11:03 pm | 6:28 am / 9:14 pm |
| Daylight | 18.2 h | 14.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Alaska Time).
A typical August day
- 6 am50°Fdew point 46°F
- 9 am55°Fdew point 47°F
- Noon61°Fdew point 47°F
- 3 pm64°Fdew point 46°F
- 6 pm64°Fdew point 47°F
- 9 pm58°Fdew point 49°F
NOAA hourly normals (local standard time) from Fairbanks Intl Airport (5 mi away); average wind 5 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F17 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow14 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 2.1 in; a dry August brings about 1.5 in and a wet one about 2.6 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How August varies from year to year
- Warmest August, 1991-20202004: average high 73°F
- Coolest August2000: average high 59°F
- Wettest August2019: 5.6 in
- Driest August2005: 0.2 in
- Highest reading93°F (August 5, 1994)
- Lowest reading28°F (August 28, 1996)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 73°F | 66°F | 55°F |
| Normal low | 53°F | 48°F | 36°F |
| Wet days | 13 | 14 | 11 |
| Comfortable days | 22 | 17 | 5 |
| Daylight | 20.0 h | 16.5 h | 13.0 h |
Highs change by -7°F from July and -11°F into September.
Nearby alternatives in August
- Cooler: Denali Park, AK84 mi · high 61°F · 17 wet days
How Fairbanks ranks in August
- Normal high371st warmest of 378 cities; 1st of 8 in Alaska
- Wet days338th driest of 378
- Comfortable days23rd most of 341
What to pack for Fairbanks in August
- A rain jacket or umbrella – rain on about 14 days
Heating and cooling
August has 255 heating degree days and 7 cooling degree days (base 65°F), 2% of the year's total heating and cooling demand.
Questions
How cold is Fairbanks in August?
The normal high is 66°F and the normal low is 48°F. From 1991 to 2020 the coldest August reading was 28°F (most recently on August 28, 1996).
Does it rain a lot in Fairbanks in August?
About 14 days in August have at least 0.01 in of precipitation, and the normal total is 2.1 in. The wettest August in 1991-2020 was in 2019 (5.6 in); the driest was in 2005 (0.2 in).
Is August a good time to visit Fairbanks?
August ranks 3rd of 12 months on our comfort score for Fairbanks (76 out of 100). It has about 17 comfortable days. The best months are June and July.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Fairbanks Intl Airport (USW00026411), 5.2 mi WSW of the city center, 432 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Fairbanks International (702610-26411), 5.3 mi WSW of the city center, 430 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).