Watertown weather in August

In August, Watertown sees average daytime highs of 75°F and overnight lows near 62°F, with 3.8 in of rain across 12.5 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 76°F in the first days to 73°F by the end. The sky is clear or mostly clear about 36% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 30 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Watertown's 1st-clearest and 12th-windiest month. For the whole year in context, see Watertown's year-round climate.

Daytime high
75°
2nd warmest
Overnight low
62°
11th coldest
Rainfall
3.8 in
12.5 wet days
Daylight
13 h 48 min
5:13 AM – 7:03 PM
Cloud cover
53%
1st clearest
Wind
6 mph
12th windiest
Solar energy
5.36 kWh/m²
Travel score
6.7
out of 10

Watertown is city in Jefferson County, New York, United States.

Density
1,104/km²
people per km²
Founded
1800

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 76°F in the first days to 73°F by the end.

A typical August day in Watertown reaches about 75°F in the afternoon and slips back to 62°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 81°F. Set against its neighbours, August runs on par with July and about 7°F warmer than September.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17664
27664
37664
47664
57664
67664
77664
87664
97664
107664
117663
127663
137563
147563
157563
167563
177562
187562
197562
207562
217562
227462
237462
247461
257461
267461
277461
287460
297360
307360
317360

How August really feels in Watertown

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.

Watertown weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan28° / 16°3.413.612.39.10.0
Feb29° / 16°2.8119.310.20.0
Mar37° / 24°3.212.17.411.60.1
Apr50° / 37°4.112.32.613.22.2
May62° / 48°3.4120.114.55.0
Jun71° / 59°4.012.2015.26.3
Jul76° / 64°4.213.2014.96.5
Aug75° / 62°3.812.5013.86.7
Sep68° / 55°3.810.1012.36.3
Oct56° / 44°4.613.50.310.83.5
Nov45° / 34°3.813.74.39.40.9
Dec34° / 24°3.81510.78.80.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25941
35941
45941
55941
65941
75941
85842
95842
105842
115842
125941
135941
145842
155941
165941
175941
186040
196040
206139
216040
226040
236040
246040
256040
266040
276040
286040
295941
305941
315842

Chance of precipitation in August

Any precipitation

Watertown gets around 3.8 in of rain over 12.5 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 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
441
542
642
742
842
943
1043
1143
1243
1343
1443
1542
1642
1742
1841
1941
2040
2140
2239
2338
2437
2537
2636
2735
2835
2934
3034
3134

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
182236305
282235305
382235305
482334305
582334305
682333305
792333305
892333304
9102433294
10102433294
11112433294
12112433283
13122434273
14132434273
15132435262
16142335252
17142336252
18152336242
19162336241
20162336231
21172436221
22182435221
23182435221
24192434211
25202533211
26212533201
27212632202
28222631192
29232630192
30242730182
31252729182

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 30 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 84 minutes over August. Sunrise moves from 4:56 AM to 5:30 AM, and sunset from 7:24 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:567:24
214.44:577:23
314.44:587:21
414.44:597:20
514.35:007:19
614.35:017:17
714.25:027:16
814.25:037:15
914.15:057:13
1014.15:067:12
1114.15:077:10
1214.05:087:09
1314.05:097:07
1413.95:107:06
1513.95:117:04
1613.85:137:03
1713.85:147:01
1813.75:157:00
1913.75:166:58
2013.75:176:56
2113.65:186:55
2213.65:206:53
2313.55:216:51
2413.55:226:50
2513.45:236:48
2613.45:246:46
2713.35:266:44
2813.35:276:43
2913.25:286:41
3013.25:296:39
3113.15:306:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.36 kWh/m².

For context, solar energy here swings from a low near 1.24 kWh/m² to a high of 6.2 kWh/m² in June across the year — August's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in August

Hazard calendar for Watertown

In seasonPeak

In August, Watertown sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Watertown sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Watertown?

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

6.7
Sightseeing
1st-best month of the year
5.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Watertown for sightseeing.

What to pack for Watertown in August

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

In August, Watertown sees daytime highs around 75°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 Watertown in August

The nearest coast averages about 72°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 24 mi away) is warmest in August at about 72°F and coldest in March near 35°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
Jan38Bracing
Feb36Bracing
Mar35Bracing
Apr38Bracing
May45Bracing
Jun58Bracing
Jul69Refreshing
Aug72Refreshing
Sep68Cool
Oct59Bracing
Nov50Bracing
Dec43Bracing

UV index in Watertown in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Watertown peaks around July 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May7Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Watertown?

Watertown sits at 44.0°N, 75.9°W, 466 ft above sea level, in United States. The nearest listed city is Kingston, 34 mi away.

Topography around Watertown

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

Within 2 miles, the terrain around Watertown has only modest variations in elevation — a maximum elevation change of 374 ft around an average of 486 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,260 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,205 ft.

The land around Watertown is covered by trees (50%), grassland (21%) and artificial surfaces (21%) within 2 miles, trees (53%), grassland (21%) and cropland (21%) within 10 miles, and trees (59%) and water (22%) within 50 miles.

2 miles
374 ft
10 miles
1,260 ft
50 miles
2,205 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Kingston 34 mi · Brockville 44 mi · Oswego 47 mi · Greater Napanee 55 mi · Clay 56 mi · Cicero 56 mi · Rome 57 mi · Syracuse 65 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 Watertown (43.9748°, -75.9108°, elevation 466 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).