Roy weather in July

In July, Roy sees average daytime highs of 86°F and overnight lows near 60°F, with 0.4 in of rain across 2.3 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 75% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Roy's 1st-clearest and 5th-windiest month. For the whole year in context, see Roy's year-round climate.

Daytime high
86°
1st warmest
Overnight low
60°
12th coldest
Rainfall
0.4 in
2.3 wet days
Daylight
14 h 42 min
5:13 AM – 7:55 PM
Cloud cover
26%
1st clearest
Wind
4 mph
5th windiest
Solar energy
8.04 kWh/m²
Travel score
6.3
out of 10

Roy is city in Weber County, Utah, United States.

Density
1,870/km²
people per km²
Founded
1873

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 86°F through the month.

A typical July day in Roy reaches about 86°F in the afternoon and slips back to 60°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 93°F. Set against its neighbours, July runs about 9°F warmer than June and about 2°F warmer than August.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18457
28457
38458
48558
58558
68558
78559
88659
98659
108659
118659
128660
138760
148760
158760
168760
178760
188761
198761
208761
218761
228761
238761
248761
258761
268761
278761
288761
298761
308761
318761

How July really feels in Roy

Once humidity and wind are folded in, July 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

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

Roy weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 17°2.3109.69.40.0
Feb38° / 21°1.99.17.110.40.0
Mar47° / 28°2.09.45.611.71.6
Apr56° / 35°2.511.33.813.13.6
May66° / 44°2.39.10.514.36.3
Jun77° / 52°1.140.114.98.0
Jul86° / 60°0.42.3014.76.3
Aug85° / 59°0.42.7013.66.8
Sep74° / 50°1.24.60.112.38.1
Oct60° / 38°1.86.81.210.95.4
Nov45° / 27°1.88.25.19.71.2
Dec34° / 17°2.29.18.79.10.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38713
48713
58713
68713
78713
88713
98713
108713
118713
128713
138713
148713
158713
168713
178713
188812
198812
208812
218812
228713
238812
248812
258812
268713
278713
288713
298713
308713
318614

Chance of precipitation in July

Any precipitation

Roy gets around 0.4 in of rain over 2.3 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
67
77
87
97
107
117
127
137
147
157
167
177
187
197
208
218
228
238
248
258
268
279
289
299
309
319

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29730
39730
49730
59640
69640
79640
89640
99640
109640
119640
129640
139640
149640
159640
169640
179550
189451
199451
209451
219451
229451
239361
249361
259361
269262
279262
289262
299262
309352
319352

Wind in July

Winds average 4 mph in July.

Across July, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 54 min at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 5:03 AM to 5:26 AM, and sunset from 7:59 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.95:037:59
214.95:047:59
314.95:047:59
414.95:057:59
514.95:057:59
614.95:067:59
714.95:077:58
814.85:077:58
914.85:087:58
1014.85:097:57
1114.85:097:57
1214.85:107:57
1314.85:117:56
1414.75:117:56
1514.75:127:55
1614.75:137:55
1714.75:147:54
1814.65:157:53
1914.65:157:53
2014.65:167:52
2114.65:177:51
2214.55:187:50
2314.55:197:50
2414.55:207:49
2514.55:217:48
2614.45:227:47
2714.45:227:46
2814.45:237:45
2914.35:247:44
3014.35:257:43
3114.35:267:42

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 8.04 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 8.08 kWh/m² in June across the year — July's 8.04 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.3Intense
28.3Intense
38.3Intense
48.3Intense
58.3Intense
68.3Intense
78.3Intense
88.2Intense
98.2Intense
108.2Intense
118.2Intense
128.2Intense
138.1Intense
148.1Intense
158.1Intense
168.1Intense
178.0Intense
188.0Intense
198.0Intense
207.9Intense
217.9Intense
227.9Intense
237.8Intense
247.8Intense
257.8Intense
267.8Intense
277.7Intense
287.7Intense
297.7Intense
307.6Intense
317.6Intense
Planning a trip in July

Is July a good time to visit Roy?

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

6.3
Sightseeing
4th-best month of the year
8.6
Beach & pool
1st-best month of the year

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

What to pack for Roy in July

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

In July, Roy sees daytime highs around 86°F and nights near 60°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Roy in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Roy peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec2Moderate
Location & terrain

Where is Roy?

Roy sits at 41.2°N, 112.0°W, 4,541 ft above sea level, in United States. The nearest listed city is Clinton, 1.9 mi away.

Topography around Roy

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

Within 2 miles, the terrain around Roy has only modest variations in elevation — a maximum elevation change of 463 ft around an average of 4,482 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,292 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,152 ft.

The land around Roy is covered by artificial surfaces (47%) and grassland (31%) within 2 miles, grassland (30%), artificial surfaces (22%) and trees (21%) within 10 miles, and grassland (40%) and trees (21%) within 50 miles.

2 miles
463 ft
10 miles
5,292 ft
50 miles
7,152 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Clinton 1.9 mi · Clearfield 3.7 mi · South Ogden 3.7 mi · Ogden 5.0 mi · Syracuse 5.6 mi · Layton 7.5 mi · Kaysville 9.9 mi · North Ogden 11 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 Roy (41.1616°, -112.0263°, elevation 4,541 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).