Oroville weather in April

In April, Oroville sees average daytime highs of 70°F and overnight lows near 48°F, with 3.2 in of precipitation across 7.7 wet days and about 13 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 66°F in the first days to 74°F by the end. The sky is clear or mostly clear about 42% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 36 min by month's end. Set against the rest of the year, April is Oroville's 7th-clearest and 4th-windiest month. For the whole year in context, see Oroville's year-round climate.

Daytime high
70°
7th warmest
Overnight low
48°
6th coldest
Precipitation
3.2 in
7.7 wet days
Daylight
13 hours
5:35 AM – 6:38 PM
Cloud cover
49%
7th clearest
Wind
6 mph
4th windiest
Solar energy
6.04 kWh/m²
Travel score
7.0
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 66°F in the first days to 74°F by the end.

A typical April day in Oroville reaches about 70°F in the afternoon and slips back to 48°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 58°F and 82°F. Set against its neighbours, April runs about 6°F warmer than March and about 9°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16646
26646
36746
46746
56746
66746
76746
86746
96747
106847
116847
126847
136947
146947
156948
167048
177048
187048
197149
207149
217149
227249
237250
247350
257350
267350
277451
287451
297451
307551

How April really feels in Oroville

Once humidity and wind are folded in, April 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

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

Oroville weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35248
45248
55248
65248
75347
85446
95446
105446
115545
125545
135644
145644
155644
165743
175842
185842
195842
205842
215941
225941
235941
246040
256040
266139
276238
286238
296337
306337

Chance of precipitation in April

Any precipitationSnow

Oroville gets around 3.2 in of rain and snow over 7.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 26% and peaks near 32% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1324
2324
3314
4313
5303
6303
7303
8303
9303
10303
11303
12293
13292
14282
15282
16272
17272
18262
19262
20251
21241
22231
23221
24221
25211
26201
27201
28201
29190
30190

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
25991
26991
27991
28991
29991
30991

Wind in April

Winds average 6 mph in April.

Across April, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 5:59 AM to 5:15 AM, and sunset from 6:23 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:596:23
212.45:586:24
312.55:566:25
412.55:546:26
512.65:536:27
612.65:516:28
712.75:496:29
812.75:486:30
912.75:466:31
1012.85:456:32
1112.85:436:33
1212.95:426:34
1312.95:406:35
1413.05:386:36
1513.05:376:37
1613.05:356:38
1713.15:346:39
1813.15:326:40
1913.25:316:41
2013.25:296:42
2113.25:286:43
2213.35:266:44
2313.35:256:45
2413.45:246:46
2513.45:226:47
2613.45:216:48
2713.55:196:49
2813.55:186:50
2913.65:176:51
3013.65:156:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.04 kWh/m².

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 — April's 6.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.6Bright
75.6Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
156.0Bright
166.0Intense
176.1Intense
186.1Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.4Intense
246.4Intense
256.5Intense
266.5Intense
276.6Intense
286.6Intense
296.7Intense
306.7Intense
Planning a trip in April

Hazard calendar for Oroville

In seasonPeak

None of Oroville's seasonal hazards are active in April. 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 April a good time to visit Oroville?

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

7.0
Sightseeing
3rd-best month of the year
4.3
Beach & pool
7th-best month of the year

April is one of the better times to visit Oroville for general sightseeing.

What to pack for Oroville in April

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

In April, Oroville sees daytime highs around 70°F and nights near 48°F. Pack sun protection. About 8 days see rain.

sun protection

UV index in Oroville in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).