Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oroville East enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 45°F in January while summers reach 75°F in July. The area gets 293 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 46.3 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 586 feet.
Temperature
45°F Jan (7°C)75°F Jul (24°C)
Annual Average
58.7°F
9% above US avg
January Average
45°F (7°C)
July Average
75°F (24°C)
Sunny Days
293 days/yr
Geography
Elevation
586 ft (179 m)
Area
21.8 sq mi (56.3 km²)
Population Density
341/sq mi
Coordinates
39.4936°N, 121.4838°W
Timezone
America/Los_Angeles
County
Butte County County
Nearest Airport
Chico Regional (CIC) 31 miles away
Precipitation & Snow
Annual Rainfall46.3"
22% above US avg
Wettest Month (Jan)7.09"
Driest Month (Jul)0.04"
Air Quality
AQI Median
48.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
93.9 / 100
Social Vulnerability
59.0 / 100
Community Resilience
60.4 / 100
Hazard Breakdown
Tornado
Relatively Low
Earthquake
Relatively Moderate
Wildfire
Relatively High
Flood
Relatively Moderate
Hail
Relatively Low
Strong Wind
Very Low
Heat Wave
Relatively Moderate
Winter Weather
Relatively Low
Lightning
Relatively Moderate
Drought
Very High
Cold Wave
No Rating
Landslide
Relatively Moderate
Volcano
Very Low
Avalanche
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4,398 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M5.7.
May 24, 2013
2 km NNE of Canyondam, California
M5.7
86 km
8 km
May 11, 2023
Lake Almanor Earthquake
M5.5
85 km
6 km
Aug 10, 2001
3 km N of Blairsden, California
M5.2
82 km
5 km
May 12, 2023
4km NW of Canyondam, CA
M5.2
85 km
6 km
Apr 26, 2008
1 km NW of Mogul, Nevada
M5.1
133 km
3 km
Nov 26, 1998
7km NW of Redding, CA
M5.1
149 km
25 km
Aug 10, 2016
20 km NNE of Upper Lake, California
M5.1
115 km
14 km
Sep 3, 2000
5 km WSW of Yountville, California
M4.9
148 km
9 km
May 24, 2013
1km NNW of Canyondam, CA
M4.9
84 km
4 km
Apr 26, 2008
0 km N of Mogul, Nevada
M4.8
134 km
3 km
Oct 30, 1998
4 km N of Tahoe Vista, California
M4.8
126 km
1 km
Sep 4, 1995
13 km SW of Middletown, California
M4.8
141 km
7 km
Apr 18, 2007
15 km N of Potter Valley, California
M4.8
139 km
5 km
Jun 26, 2005
8 km NNW of Tahoe Vista, California
M4.8
121 km
-2 km
May 12, 2006
7 km W of Cobb, California
M4.7
137 km
4 km
Jan 19, 2008
31 km NW of Rancho Tehama Reserve, California
M4.7
129 km
2 km
May 7, 2021
19km NW of Truckee, CA
M4.7
100 km
10 km
Jan 2, 2025
4 km NW of Cobb, CA
M4.7
131 km
1 km
Nov 26, 1998
5km NNW of Redding, CA
M4.6
147 km
25 km
Jan 11, 2000
6 km N of Geyserville, California
M4.6
147 km
6 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
69 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 7 injuries.
Date
Rating
Distance
Path
Fatalities
May 25, 2011
EF2
17 km
0.2 mi
0
Feb 10, 1994
EF2
8 km
0.3 mi
0
Sep 24, 1986
EF2
69 km
2.0 mi
0
May 9, 1980
EF2
95 km
0.1 mi
0
Feb 7, 1978
EF2
88 km
1.9 mi
0
May 19, 1953
EF2
66 km
2.0 mi
0
Dec 19, 2023
EF1
46 km
0.4 mi
0
Dec 24, 2015
EF1
93 km
6.2 mi
0
Mar 26, 2014
EF1
53 km
0.7 mi
0
Mar 26, 2014
EF1
58 km
0.6 mi
0
Mar 26, 2014
EF1
54 km
1.0 mi
0
Oct 22, 2012
EF1
60 km
4.0 mi
0
Oct 22, 2012
EF1
50 km
2.0 mi
0
Oct 22, 2012
EF1
46 km
0.3 mi
0
May 25, 2011
EF1
62 km
26.4 mi
0
May 25, 2011
EF1
60 km
21.7 mi
0
Jan 8, 2005
EF1
9 km
0.1 mi
0
Apr 17, 1993
EF1
56 km
0.5 mi
0
Jan 7, 1993
EF1
22 km
0.1 mi
0
Dec 17, 1992
EF1
8 km
1.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Lassen Volcanic Center (111 km).
Name
Type
Elevation
Last Eruption
Distance
Lassen Volcanic Center
Stratovolcano
3,187 m (10,456 ft)
1917
111 km
Clear Lake
Volcanic field
1,439 m (4,721 ft)
Unknown
125 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: NORTH COMPLEX (316,556 acres, 2020).
Year
Name
Acres Burned
Distance
2020
NORTH COMPLEX
316,556
40 km
2018
CAMP
153,687
29 km
1990
CAMPBELL
128,266
68 km
2012
CHIPS
79,978
71 km
2022
MOSQUITO
77,858
85 km
1999
GUN 2
61,203
81 km
2008
BTU LIGHTNING COMPLEX (LONG BRANCH-JACK)
52,091
40 km
2000
STORRIE
49,588
62 km
1994
BARKLEY
44,256
73 km
1988
49R
36,673
37 km
1999
MHRD COMPLEX (BUCKS)
34,459
46 km
2013
AMERICAN
27,938
87 km
2008
CANYON COMPLEX (SCOTCH)
26,418
36 km
2008
HUMBOLDT
23,769
29 km
1990
FINLEY
22,239
98 km
2008
CUB COMPLEX (CUB)
20,772
78 km
2008
AMERICAN RIVER COMPLEX (GOVERNMENT)
20,709
83 km
2012
SIXTEEN COMPLEX
18,191
89 km
1999
TEHAMA-GLENN COMPLEX (DEHAVEN GULCH)
17,247
96 km
2001
STAR
16,846
96 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
45°F (7°C)
7.1 in
Coldest, Wettest
February
50°F (10°C)
5.7 in
March
53°F (11°C)
5.6 in
April
57°F (14°C)
2.6 in
May
65°F (18°C)
0.9 in
June
73°F (23°C)
0.4 in
July
75°F (24°C)
0.0 in
Driest
August
77°F (25°C)
0.2 in
Warmest
September
73°F (23°C)
0.6 in
October
64°F (18°C)
2.3 in
November
52°F (11°C)
5.7 in
December
46°F (8°C)
5.9 in
Oroville East has a seasonal temperature swing of 32°F / from 45°F in January to 77°F in August. Total annual precipitation is 37.0 inches, with January being the wettest month (7.1") and July the driest (0.0").