Syracuse weather in August

In August, Syracuse sees average daytime highs of 78°F and overnight lows near 62°F, with 4.0 in of rain across 12.6 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 79°F in the first days to 76°F by the end. The sky is clear or mostly clear about 31% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Syracuse's 1st-clearest and 12th-windiest month. For the whole year in context, see Syracuse's year-round climate.

Daytime high
78°
2nd warmest
Overnight low
62°
11th coldest
Rainfall
4.0 in
12.6 wet days
Daylight
13 h 48 min
5:15 AM – 7:02 PM
Cloud cover
56%
1st clearest
Wind
5 mph
12th windiest
Solar energy
5.15 kWh/m²
Travel score
6.5
out of 10

Syracuse is city in and county seat of Onondaga County, New York, United States.

Density
2,173/km²
people per km²
Founded
1848

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 79°F in the first days to 76°F by the end.

A typical August day in Syracuse reaches about 78°F in the afternoon and slips back to 62°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 85°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17963
27963
37963
47963
57963
67863
77863
87863
97863
107862
117862
127862
137862
147862
157862
167862
177762
187761
197761
207761
217761
227761
237761
247760
257760
267660
277660
287660
297660
307659
317659

How August really feels in Syracuse

Once humidity and wind are folded in, August averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Syracuse weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 19°3.314.113.59.20.0
Feb33° / 19°2.91210.710.20.0
Mar41° / 26°3.713.37.711.60.4
Apr55° / 38°4.213.82.713.13.2
May67° / 49°3.913.30.114.45.6
Jun75° / 58°4.513.3015.16.3
Jul79° / 63°4.413.2014.86.2
Aug78° / 62°4.012.6013.86.5
Sep71° / 54°3.910.7012.36.4
Oct58° / 44°4.513.30.310.84.1
Nov46° / 34°3.713.94.69.51.2
Dec36° / 25°3.814.810.98.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45644
55644
65644
75545
85545
95545
105545
115446
125446
135446
145446
155446
165446
175446
185446
195446
205446
215446
225446
235446
245446
255545
265545
275545
285545
295644
305545
315545

Chance of precipitation in August

Any precipitation

Syracuse gets around 4.0 in of rain over 12.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
444
544
644
744
844
944
1043
1143
1243
1342
1442
1541
1641
1740
1840
1939
2038
2138
2237
2336
2436
2535
2635
2734
2833
2933
3033
3133

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the humid band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1102434284
2102534284
3102533284
4102533284
5112632274
6112632274
7112632274
8122631274
9122631274
10122631264
11132631254
12142632254
13142632244
14142633233
15152633223
16152633223
17162634213
18162734203
19172734203
20182734192
21182734192
22192734182
23202733182
24212732182
25222831182
26222831172
27232930171
28242929171
29252928161
30262928161
31273027161

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 4:59 AM to 5:32 AM, and sunset from 7:22 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:597:22
214.45:007:21
314.35:017:20
414.35:027:19
514.25:037:17
614.25:047:16
714.25:057:15
814.15:077:14
914.15:087:12
1014.05:097:11
1114.05:107:09
1214.05:117:08
1313.95:127:06
1413.95:137:05
1513.85:147:04
1613.85:157:02
1713.75:177:00
1813.75:186:59
1913.65:196:57
2013.65:206:56
2113.65:216:54
2213.55:226:52
2313.55:236:51
2413.45:246:49
2513.45:256:47
2613.35:276:46
2713.35:286:44
2813.25:296:42
2913.25:306:41
3013.15:316:39
3113.15:326:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.15 kWh/m².

For context, solar energy here swings from a low near 1.24 kWh/m² to a high of 6 kWh/m² in June across the year — August's 5.15 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.6Bright
Planning a trip in August

Is August a good time to visit Syracuse?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.5
Sightseeing
1st-best month of the year
6.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Syracuse for sightseeing.

What to pack for Syracuse in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Syracuse sees daytime highs around 78°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Syracuse in August

The nearest coast averages about 73°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 mi away) is warmest in August at about 73°F and coldest in March near 37°F.

It's comfortable for a long swim from Jul 14 to Sep 13 — about 2 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan40Bracing
Feb37Bracing
Mar37Bracing
Apr38Bracing
May44Bracing
Jun57Bracing
Jul69Refreshing
Aug73Refreshing
Sep68Cool
Oct59Bracing
Nov50Bracing
Dec44Bracing

UV index in Syracuse in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Syracuse peaks around July 12 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Syracuse?

Syracuse sits at 43.0°N, 76.1°W, 397 ft above sea level, in United States. The nearest listed city is Cicero, 8.7 mi away.

Topography around Syracuse

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Syracuse.

Within 2 miles, the terrain around Syracuse has only modest variations in elevation — a maximum elevation change of 348 ft around an average of 466 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,283 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,909 ft.

The land around Syracuse is covered by artificial surfaces (53%) and trees (37%) within 2 miles, trees (61%) within 10 miles, and trees (60%) within 50 miles.

2 miles
348 ft
10 miles
1,283 ft
50 miles
1,909 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Cicero 8.7 mi · Clay 9.3 mi · Auburn 22 mi · Cortland 31 mi · Oswego 34 mi · Rome 37 mi · Ithaca 45 mi · Utica 47 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Syracuse (43.0481°, -76.1474°, elevation 397 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).