Climateby Month

Syracuse, NY weather in August

NOAA 1991-2020 normals and daily records · Syracuse all year

In August, Syracuse sees highs around 80°F and lows around 60°F: warm, with frequent rain. Rain falls on about 11 days. It is one of the warmest months in Syracuse. Good for outdoor plans.

Normal high
80°F
Normal low
60°F
Wet days
11
3.7 in total
Muggy days
7
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high82°F78°F
Normal low62°F58°F
Chance of a wet day37%33%
Sunrise / sunset5:55 am / 8:26 pm6:28 am / 7:41 pm
Daylight14.5 h13.2 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical August day

  1. 6 am63°Fdew point 59°F
  2. 9 am72°Fdew point 61°F
  3. Noon77°Fdew point 61°F
  4. 3 pm78°Fdew point 60°F
  5. 6 pm75°Fdew point 60°F
  6. 9 pm68°Fdew point 61°F

NOAA hourly normals (local standard time) from Syracuse Hancock Intl Airport (5 mi away); average wind 6 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F10 of 31
  • Hot dayshigh 90°F or more2 of 31
  • Muggy daysdaily mean dew point 65°F or more7 of 31
  • Wet daysat least 0.01 in of rain or melted snow11 of 31
  • Notable rainat least 0.10 in7 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 3.7 in; a dry August brings about 2.6 in and a wet one about 4.8 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How August varies from year to year

  • Warmest August, 1991-20202001: average high 85°F
  • Coolest August2008: average high 77°F
  • Wettest August2011: 6.7 in
  • Driest August1999: 1.0 in
  • Highest reading101°F (August 14, 2002)
  • Lowest reading44°F (August 6, 1994)

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

JulyAugustSeptember
Normal high82°F80°F73°F
Normal low62°F60°F53°F
Wet days121111
Comfortable days81016
Daylight15.0 h13.9 h12.5 h

Highs change by -2°F from July and -7°F into September.

Nearby alternatives in August

How Syracuse ranks in August

  • Normal high307th warmest of 378 cities; 6th of 10 in New York
  • Wet days299th driest of 378
  • Comfortable days71st most of 341

What to pack for Syracuse in August

  • A rain jacket or umbrella – rain on about 11 days

Heating and cooling

August has 14 heating degree days and 180 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.

Questions

How hot is Syracuse in August?

The normal high is 80°F and the normal low is 60°F. From 1991 to 2020 the hottest August reading was 101°F (August 14, 2002).

Does it rain a lot in Syracuse in August?

About 11 days in August have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest August in 1991-2020 was in 2011 (6.7 in); the driest was in 1999 (1.0 in).

Is August a good time to visit Syracuse?

August ranks 4th of 12 months on our comfort score for Syracuse (63 out of 100). It has about 10 comfortable days and about 2 days at 90°F or hotter. The best months are May, June and September.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Syracuse Hancock Intl Airport (USW00014771), 4.9 mi NNE of the city center, 413 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Syracuse Hancock International Airport (725190-14771), 4.9 mi NNE of the city center, 410 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).