Oswego weather in June

In June, Oswego sees average daytime highs of 68°F and overnight lows near 58°F, with 4.2 in of rain across 12 wet days and about 15.2 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 64°F in the first days to 72°F by the end. The sky is clear or mostly clear about 36% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of June to 15 h 12 min by month's end. Set against the rest of the year, June is Oswego's 4th-clearest and 10th-windiest month. For the whole year in context, see Oswego's year-round climate.

Daytime high
68°
4th warmest
Overnight low
58°
9th coldest
Rainfall
4.2 in
12 wet days
Daylight
15 h 12 min
4:30 AM – 7:43 PM
Cloud cover
54%
4th clearest
Wind
8 mph
10th windiest
Solar energy
6.36 kWh/m²
Travel score
6.1
out of 10

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

Density
612/km²
people per km²
Founded
1796

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 64°F in the first days to 72°F by the end.

A typical June day in Oswego reaches about 68°F in the afternoon and slips back to 58°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 75°F. Set against its neighbours, June runs about 10°F warmer than May and about 7°F cooler than July.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16352
26353
36453
46453
56454
66554
76555
86555
96555
106656
116656
126756
136757
146757
156858
166858
176858
186959
196959
206959
216960
227060
237060
247061
257161
267161
277162
287262
297262
307263

How June really feels in Oswego

Once humidity and wind are folded in, June 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

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

Oswego weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 22°4.117.715.69.10.0
Feb32° / 21°3.112.41010.20.0
Mar38° / 27°3.512.46.511.60.0
Apr48° / 38°4.412.82.113.21.6
May58° / 47°3.611.4014.54.2
Jun68° / 58°4.212015.26.1
Jul75° / 66°4.412.1014.96.8
Aug75° / 66°4.312.7013.86.8
Sep69° / 59°4.411.5012.36.2
Oct58° / 49°5.415.4010.83.8
Nov47° / 38°4.616.23.99.51.3
Dec38° / 30°4.818.911.88.80.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25050
34951
45050
54951
64951
75050
85050
95149
105149
115149
125149
135248
145248
155347
165347
175446
185545
195644
205644
215842
225842
235941
245941
256139
266139
276238
286238
296337
306337

Chance of precipitation in June

Any precipitation

Oswego gets around 4.2 in of rain over 12 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
339
440
540
640
741
840
940
1040
1140
1239
1339
1439
1539
1639
1738
1838
1938
2038
2138
2238
2338
2438
2538
2638
2738
2838
2938
3038

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
170201000
268211010
366221110
465231110
562251210
660261310
759271310
856281420
954291520
1052301620
1148321730
1246331930
1343342040
1440342140
1538352250
1635352360
1733362570
1830362680
1928352790
20263529100
21243530110
22223431130
23203432140
24193333150
25173333171
26163234181
27143234191
28133134202
29123134212
30103034223

Wind in June

Winds average 8 mph in June.

Across June, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
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
177light breeze
187light breeze
197light breeze
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277light breeze
287light breeze
297light breeze
307light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 hours at the start of June to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:34 AM to 4:33 AM, and sunset from 7:33 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:347:33
215.04:347:34
315.04:337:35
415.04:337:35
515.14:327:36
615.14:327:37
715.14:327:37
815.14:317:38
915.14:317:39
1015.14:317:39
1115.24:317:40
1215.24:307:41
1315.24:307:41
1415.24:307:42
1515.24:307:42
1615.24:307:43
1715.24:307:43
1815.24:307:43
1915.24:307:44
2015.24:307:44
2115.24:307:44
2215.24:317:45
2315.24:317:45
2415.24:317:45
2515.24:317:45
2615.24:327:45
2715.24:327:45
2815.24:327:45
2915.24:337:45
3015.24:337:45

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.36 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 6.36 kWh/m² in June across the year — June's 6.36 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in June

Is June a good time to visit Oswego?

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

6.1
Sightseeing
4th-best month of the year
3.1
Beach & pool
4th-best month of the year

June is a reasonable time to visit Oswego for sightseeing.

What to pack for Oswego in June

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

In June, Oswego sees daytime highs around 68°F and nights near 58°F. Pack sun protection. Worth having: rain gear. About 12 days see rain.

sun protectionrain gear

Sea temperature near Oswego in June

The nearest coast averages about 57°F in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 8 mi away) is warmest in August at about 72°F and coldest in March near 37°F.

It's comfortable for a long swim from Jul 15 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
May43Bracing
Jun57Bracing
Jul69Refreshing
Aug72Refreshing
Sep68Cool
Oct58Bracing
Nov50Bracing
Dec44Bracing

UV index in Oswego in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oswego peaks around July 12 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Oswego?

Oswego sits at 43.5°N, 76.5°W, 285 ft above sea level, in United States. The nearest listed city is Clay, 25 mi away.

Topography around Oswego

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

Within 2 miles, the terrain around Oswego has only modest variations in elevation — a maximum elevation change of 240 ft around an average of 305 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 354 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,801 ft.

The land around Oswego is covered by trees (39%) and water (30%) within 2 miles, water (47%) and trees (42%) within 10 miles, and trees (41%) and water (39%) within 50 miles.

2 miles
240 ft
10 miles
354 ft
50 miles
1,801 ft
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Clay 25 mi · Cicero 27 mi · Syracuse 34 mi · Auburn 36 mi · Watertown 47 mi · Prince Edward 53 mi · Kingston 53 mi · Rome 55 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 Oswego (43.4554°, -76.5105°, elevation 285 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).