Oroville weather in July

In July, Oroville sees average daytime highs of 94°F and overnight lows near 65°F, with 0.0 in of rain across 0 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 94°F through the month. The sky is clear or mostly clear about 89% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of July to 14 h 06 min by month's end. Set against the rest of the year, July is Oroville's 1st-clearest and 10th-windiest month. For the whole year in context, see Oroville's year-round climate.

Daytime high
94°
1st warmest
Overnight low
65°
12th coldest
Rainfall
0.0 in
0 wet days
Daylight
14 h 30 min
4:56 AM – 7:28 PM
Cloud cover
11%
1st clearest
Wind
5 mph
10th windiest
Solar energy
8.24 kWh/m²
Travel score
3.9
out of 10

Oroville is city and county seat of Butte County, California, United States.

Density
482/km²
people per km²
Founded
1906

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 94°F through the month.

A typical July day in Oroville reaches about 94°F in the afternoon and slips back to 65°F overnight — a 29°F spread between the day's warmth and the night's chill. On most days the high lands between 86°F and 102°F. Set against its neighbours, July runs about 5°F warmer than June and about 1°F warmer than August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19364
29364
39364
49365
59365
69365
79365
89465
99465
109465
119465
129465
139465
149465
159465
169465
179465
189465
199465
209465
219465
229465
239465
249465
259465
269465
279465
289465
299465
309465
319465

How July really feels in Oroville

Once humidity and wind are folded in, July averages 31 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
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Oroville 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
Jan56° / 40°7.811.11.99.53.8
Feb60° / 42°7.410.52.710.44.6
Mar64° / 44°6.411.11.911.75.7
Apr70° / 48°3.27.70.6137.0
May79° / 55°2.05.3014.17.7
Jun88° / 61°0.51.9014.75.6
Jul94° / 65°0.00014.53.9
Aug92° / 64°0.10.3013.64.4
Sep87° / 59°0.31.1012.36.3
Oct76° / 52°2.23.6010.98.3
Nov63° / 44°4.58.30.89.85.8
Dec56° / 39°8.511.81.89.33.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of July, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2937
3937
4946
5946
6946
7955
8955
9955
10955
11955
12955
13955
14955
15955
16955
17955
18955
19955
20955
21955
22955
23955
24955
25955
26946
27946
28946
29946
30946
31946

Chance of precipitation in July

Any precipitation

Oroville gets around 0.0 in of rain over 0 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
51
61
71
81
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
281
291
301
311

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19091
29091
39091
49091
59091
69091
79091
889101
989101
1088111
1188111
1287121
1387121
1486131
1585141
1684151
1784151
1883161
1981172
2081172
2180182
2280182
2379192
2479192
2579192
2679192
2779192
2878193
2980182
3080182
3180182

Wind in July

Winds average 5 mph in July.

Across July, 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.

0246810151015202531
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
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 48 min at the start of July to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:47 AM to 5:08 AM, and sunset from 7:32 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:477:32
214.74:477:32
314.74:487:32
414.74:487:32
514.74:497:32
614.74:497:32
714.74:507:31
814.74:507:31
914.74:517:31
1014.64:527:31
1114.64:527:30
1214.64:537:30
1314.64:547:29
1414.64:547:29
1514.64:557:28
1614.54:567:28
1714.54:577:27
1814.54:577:27
1914.54:587:26
2014.44:597:25
2114.45:007:25
2214.45:017:24
2314.45:017:23
2414.35:027:23
2514.35:037:22
2614.35:047:21
2714.35:057:20
2814.25:067:19
2914.25:077:18
3014.25:077:17
3114.15:087:16

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 8.24 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.97 kWh/m² to a high of 8.24 kWh/m² in July across the year — July's 8.24 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
88.3Intense
98.3Intense
108.3Intense
118.3Intense
128.3Intense
138.3Intense
148.3Intense
158.3Intense
168.2Intense
178.2Intense
188.2Intense
198.2Intense
208.2Intense
218.1Intense
228.1Intense
238.1Intense
248.1Intense
258.1Intense
268.0Intense
278.0Intense
288.0Intense
298.0Intense
307.9Intense
317.9Intense
Planning a trip in July

Hazard calendar for Oroville

In seasonPeak

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

Oroville's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Oroville?

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

3.9
Sightseeing
10th-best month of the year
7.9
Beach & pool
4th-best month of the year

July is a weaker month for outdoor sightseeing in Oroville. The water and warmth also suit a beach or pool day.

What to pack for Oroville in July

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

In July, Oroville sees daytime highs around 94°F and nights near 65°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Oroville 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 Oroville peaks around July 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 10Dec 14UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Low
Dec2Low

Air quality in Oroville in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Oroville is worst in July — around 64 µg/m³ PM2.5 (unhealthy), about 8.2× the cleanest month (December, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateUnhealthyModerateJul 2363 µg/m³Dec 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar13Moderate
Apr13Moderate
May10Good
Jun10Good
Jul64Unhealthy
Aug59Unhealthy
Sep63Unhealthy
Oct17Moderate
Nov37Poor
Dec8Good
Location & terrain

Where is Oroville?

Oroville sits at 39.5°N, 121.6°W, 167 ft above sea level, in United States. The nearest listed city is Paradise, 17 mi away.

Topography around Oroville

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

Within 2 miles, the terrain around Oroville has only modest variations in elevation — a maximum elevation change of 472 ft around an average of 256 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,290 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,333 ft.

The land around Oroville is covered by trees (36%), grassland (32%) and artificial surfaces (26%) within 2 miles, trees (39%) and grassland (38%) within 10 miles, and trees (56%) and grassland (23%) within 50 miles.

2 miles
472 ft
10 miles
2,290 ft
50 miles
8,333 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Paradise 17 mi · Chico 21 mi · Yuba City 26 mi · Linda 27 mi · South Yuba City 28 mi · Lincoln 45 mi · Rocklin 53 mi · Roseville 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 Oroville (39.5139°, -121.5578°, elevation 167 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).