Watertown weather in April

In April, Watertown sees average daytime highs of 50°F and overnight lows near 37°F, with 4.1 in of precipitation across 12.3 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 45°F in the first days to 56°F by the end. The sky is clear or mostly clear about 23% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Watertown's 7th-clearest and 7th-windiest month. For the whole year in context, see Watertown's year-round climate.

Daytime high
50°
7th warmest
Overnight low
37°
6th coldest
Precipitation
4.1 in
12.3 wet days
Daylight
13 h 12 min
5:27 AM – 6:40 PM
Cloud cover
67%
7th clearest
Wind
8 mph
7th windiest
Solar energy
4.85 kWh/m²
Travel score
2.2
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 45°F in the first days to 56°F by the end.

A typical April day in Watertown reaches about 50°F in the afternoon and slips back to 37°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 40°F and 62°F. Set against its neighbours, April runs about 13°F warmer than March and about 12°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
14431
24432
34532
44533
54533
64633
74634
84734
94735
104835
114835
124936
134936
145037
155037
165137
175138
185138
195238
205239
215339
225340
235440
245440
255441
265541
275541
285642
295642
305643

How April really feels in Watertown

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 17 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
17
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Watertown weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23466
33466
43565
53565
63565
73565
83664
93664
103763
113763
123763
133763
143763
153862
163862
173862
183763
193763
203862
213862
223763
233763
243763
253763
263763
273961
283961
293961
303961

Chance of precipitation in April

Any precipitationSnow

Watertown gets around 4.1 in of rain and snow over 12.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 41% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
14115
24114
34114
44114
54114
64113
74113
84113
94012
104011
114011
124010
13399
14398
15408
16407
17406
18406
19406
20415
21415
22414
23414
24414
25413
26413
27413
28413
29412
30412

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26982
27982
28982
29982
30973

Wind in April

Winds average 8 mph in April.

Across April, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 5:55 AM to 5:05 AM, and sunset from 6:22 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:556:22
212.55:536:23
312.65:516:24
412.65:496:26
512.75:476:27
612.75:456:28
712.85:446:29
812.85:426:30
912.95:406:32
1012.95:386:33
1113.05:366:34
1213.05:356:35
1313.15:336:37
1413.15:316:38
1513.25:296:39
1613.25:276:40
1713.35:266:42
1813.35:246:43
1913.45:226:44
2013.45:216:45
2113.55:196:46
2213.55:176:48
2313.65:166:49
2413.65:146:50
2513.75:126:51
2613.75:116:53
2713.75:096:54
2813.85:086:55
2913.85:066:56
3013.95:056:57

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.85 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 — April's 4.85 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.4Bright
34.4Bright
44.4Bright
54.5Bright
64.5Bright
74.6Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
Planning a trip in April

Hazard calendar for Watertown

In seasonPeak

None of Watertown's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 April a good time to visit Watertown?

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

2.2
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Watertown.

What to pack for Watertown in April

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

In April, Watertown sees daytime highs around 50°F and nights near 37°F. Pack a warm layer. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Watertown in April

The nearest coast averages about 38°F in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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
April 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).