Frederick weather in June

In June, Frederick sees average daytime highs of 82°F and overnight lows near 64°F, with 3.4 in of rain across 10.8 wet days and about 14.7 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 79°F in the first days to 85°F by the end. The sky is clear or mostly clear about 24% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of June to 14 h 48 min by month's end. Set against the rest of the year, June is Frederick's 6th-clearest and 10th-windiest month. For the whole year in context, see Frederick's year-round climate.

Daytime high
82°
3rd warmest
Overnight low
64°
10th coldest
Rainfall
3.4 in
10.8 wet days
Daylight
14 h 48 min
4:47 AM – 7:33 PM
Cloud cover
62%
6th clearest
Wind
5 mph
10th windiest
Solar energy
6.15 kWh/m²
Travel score
5.8
out of 10

Frederick is city in Frederick County, Maryland, United States.

Density
1,156/km²
people per km²
Founded
1745

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 79°F in the first days to 85°F by the end.

A typical June day in Frederick reaches about 82°F in the afternoon and slips back to 64°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 91°F. Set against its neighbours, June runs about 9°F warmer than May and about 4°F cooler than July.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
17860
27960
37960
47960
57961
68061
78061
88062
98162
108162
118162
128263
138263
148263
158264
168364
178364
188364
198365
208365
218465
228465
238465
248466
258566
268566
278566
288566
298567
308567

How June really feels in Frederick

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.

Frederick weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 26°3.18.73.39.50.0
Feb43° / 27°2.78.53.610.50.6
Mar52° / 35°3.810.22.511.72.8
Apr64° / 45°3.510.20.2135.6
May73° / 54°3.711.8014.16.4
Jun82° / 64°3.410.8014.75.8
Jul87° / 68°3.610.5014.54.8
Aug85° / 67°3.09.9013.55.4
Sep78° / 59°4.29.2012.36.9
Oct66° / 47°3.47.90116.3
Nov54° / 37°3.07.90.49.83.4
Dec44° / 30°3.48.82.29.30.8

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34456
44456
54456
64456
74456
84357
94357
104357
114357
124357
134357
144357
154357
164357
174357
184357
194456
204456
214456
224555
234654
244753
254753
264852
274951
285050
295050
305050

Chance of precipitation in June

Any precipitation

Frederick gets around 3.4 in of rain over 10.8 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
434
534
634
735
835
935
1035
1136
1236
1336
1437
1537
1637
1738
1838
1938
2038
2138
2238
2338
2438
2537
2637
2737
2836
2936
3036

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 26% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1422120161
2412120171
3402120181
4392120192
5382119192
6372119202
7362119212
8352119223
9342119223
10332119234
11322120244
12302120255
13292021255
14272021265
15262022276
16242022276
17232023276
18222123286
19212124286
20202125286
21192125286
22182225287
23172225297
24172226297
25162226297
26152226308
27152225308
28142125309
29142125319
301421253110

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 36 min at the start of June to 14 h 48 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 4:50 AM to 4:50 AM, and sunset from 7:24 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:507:24
214.64:507:25
314.64:497:26
414.64:497:26
514.64:497:27
614.74:487:28
714.74:487:28
814.74:487:29
914.74:487:29
1014.74:477:30
1114.74:477:30
1214.74:477:31
1314.74:477:31
1414.74:477:32
1514.84:477:32
1614.84:477:33
1714.84:477:33
1814.84:477:34
1914.84:477:34
2014.84:477:34
2114.84:477:34
2214.84:487:35
2314.84:487:35
2414.84:487:35
2514.84:487:35
2614.84:497:35
2714.84:497:35
2814.84:497:35
2914.84:507:35
3014.84:507:35

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.15 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.86 kWh/m² to a high of 6.15 kWh/m² in June across the year — June's 6.15 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in June

Is June a good time to visit Frederick?

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

5.8
Sightseeing
4th-best month of the year
6.5
Beach & pool
3rd-best month of the year

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

What to pack for Frederick in June

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

In June, Frederick sees daytime highs around 82°F and nights near 64°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Frederick in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Frederick peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Frederick 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 Frederick is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar12Moderate
Apr12Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Frederick?

Frederick sits at 39.4°N, 77.4°W, 285 ft above sea level, in United States. The nearest listed city is Ballenger Creek, 3.1 mi away.

Topography around Frederick

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

Within 2 miles, the terrain around Frederick has only modest variations in elevation — a maximum elevation change of 482 ft around an average of 312 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,791 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,756 ft.

The land around Frederick is covered by artificial surfaces (41%), trees (28%) and grassland (23%) within 2 miles, trees (47%), grassland (25%) and cropland (22%) within 10 miles, and trees (59%) and grassland (20%) within 50 miles.

2 miles
482 ft
10 miles
1,791 ft
50 miles
2,756 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Ballenger Creek 3.1 mi · Damascus 14 mi · Germantown 18 mi · Montgomery Village 20 mi · Gaithersburg 22 mi · Leesburg 22 mi · Hagerstown 23 mi · Redland 24 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 Frederick (39.4143°, -77.4105°, 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. 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).