Suwanee weather in June

In June, Suwanee sees average daytime highs of 85°F and overnight lows near 68°F, with 4.1 in of rain across 13.7 wet days and about 14.2 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 83°F in the first days to 87°F by the end. The sky is clear or mostly clear about 29% of the time in June, and the air most often feels muggy.

Daylight stretches from about 14 h 06 min at the start of June to 14 h 12 min by month's end. Set against the rest of the year, June is Suwanee's 9th-clearest and 10th-windiest month. For the whole year in context, see Suwanee's year-round climate.

Daytime high
85°
3rd warmest
Overnight low
68°
10th coldest
Rainfall
4.1 in
13.7 wet days
Daylight
14 h 18 min
5:29 AM – 7:44 PM
Cloud cover
59%
9th clearest
Wind
5 mph
10th windiest
Solar energy
6.07 kWh/m²
Travel score
4.8
out of 10

Suwanee is city in Gwinnett County, Georgia, U.S..

Density
659/km²
people per km²

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 83°F in the first days to 87°F by the end.

A typical June day in Suwanee reaches about 85°F in the afternoon and slips back to 68°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 92°F. Set against its neighbours, June runs about 6°F warmer than May and about 3°F cooler than July.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18365
28365
38366
48366
58366
68466
78467
88467
98467
108467
118567
128567
138568
148568
158568
168568
178568
188668
198669
208669
218669
228669
238669
248669
258669
268670
278770
288770
298770
308770

How June really feels in Suwanee

Once humidity and wind are folded in, June averages 3 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
3
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Suwanee weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan52° / 35°4.610.40.6102.9
Feb56° / 37°4.69.90.510.73.8
Mar64° / 44°4.6100.111.75.7
Apr72° / 51°3.99.5012.86.8
May79° / 60°3.49.8013.76.7
Jun85° / 68°4.113.7014.24.8
Jul88° / 71°4.014.90144.0
Aug87° / 70°4.212.8013.34.4
Sep82° / 64°3.68.7012.26.4
Oct72° / 53°3.47.2011.17.3
Nov62° / 42°3.98.4010.25.7
Dec54° / 37°4.510.30.39.83.4

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 21% of June, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24852
34753
44753
54753
64753
74753
84951
95050
104951
115149
125149
135248
145248
155347
165347
175347
185347
195347
205248
215248
225248
235050
245050
255050
264951
274951
284852
294852
304951

Chance of precipitation in June

Any precipitation

Suwanee gets around 4.1 in of rain over 13.7 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 45% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
140
241
342
442
543
644
744
845
945
1045
1145
1245
1344
1444
1544
1644
1745
1845
1945
2045
2146
2246
2346
2447
2547
2648
2748
2849
2949
3050

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1111929375
2101828385
391728396
491727407
581626428
671626439
7715254310
8615244411
9614234412
10614234513
11513224514
12513224515
13512224416
14512224417
15411224418
16411214419
17411214520
18310214521
19310204522
2039194523
2139194624
2239184624
2338174625
2438174626
2537164727
2637154728
2727154729
2826144731
2926134732
3026124733

Wind in June

Winds average 5 mph in June.

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

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 06 min at the start of June to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:31 AM to 5:32 AM, and sunset from 7:37 PM to 7:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:317:37
214.15:317:37
314.15:307:38
414.15:307:39
514.25:307:39
614.25:307:40
714.25:297:40
814.25:297:41
914.25:297:41
1014.25:297:42
1114.25:297:42
1214.25:297:43
1314.25:297:43
1414.25:297:43
1514.25:297:44
1614.35:297:44
1714.35:297:45
1814.35:297:45
1914.35:297:45
2014.35:297:45
2114.35:297:46
2214.35:307:46
2314.35:307:46
2414.35:307:46
2514.35:307:46
2614.35:317:47
2714.35:317:47
2814.35:317:47
2914.35:327:47
3014.25:327:47

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.07 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 6.07 kWh/m² in June across the year — June's 6.07 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in June

Is June a good time to visit Suwanee?

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

4.8
Sightseeing
7th-best month of the year
6.3
Beach & pool
4th-best month of the year

June is a reasonable time to visit Suwanee for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Suwanee in June

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

In June, Suwanee sees daytime highs around 85°F and nights near 68°F. Pack light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Suwanee in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Suwanee peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Suwanee in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Suwanee is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (January, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1621 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar13Moderate
Apr12Moderate
May15Moderate
Jun18Moderate
Jul21Moderate
Aug18Moderate
Sep13Moderate
Oct11Good
Nov10Good
Dec8Good
Location & terrain

Where is Suwanee?

Suwanee sits at 34.1°N, 84.1°W, 1,001 ft above sea level, in United States. The nearest listed city is Sugar Hill, 4.3 mi away.

Topography around Suwanee

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

Within 2 miles, the terrain around Suwanee has only modest variations in elevation — a maximum elevation change of 279 ft around an average of 1,030 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 797 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,950 ft.

The land around Suwanee is covered by trees (59%) and artificial surfaces (31%) within 2 miles, trees (61%) and artificial surfaces (25%) within 10 miles, and trees (82%) within 50 miles.

2 miles
279 ft
10 miles
797 ft
50 miles
3,950 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Sugar Hill 4.3 mi · Duluth 5.6 mi · Johns Creek 7.5 mi · Lawrenceville 8.1 mi · Peachtree Corners 11 mi · Norcross 11 mi · Alpharetta 13 mi · Snellville 14 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 Suwanee (34.0515°, -84.0713°, elevation 1,001 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).