Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Meridian enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 49°F in January while summers reach 81°F in July. The area gets 297 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 43 feet.
Temperature
49°F Jan (9°C)81°F Jul (27°C)
Annual Average
64.4°F
19% above US avg
January Average
49°F (9°C)
July Average
81°F (27°C)
Sunny Days
297 days/yr
Geography
Elevation
43 ft (13 m)
Area
5.3 sq mi (13.7 km²)
Population Density
73/sq mi
Coordinates
39.1404°N, 121.9079°W
Timezone
America/Los_Angeles
County
Sutter County County
Nearest Airport
Sacramento International (SMF) 35 miles away
Precipitation & Snow
Wettest Month (Jan)3.50"
Driest Month (Jul)0.04"
Air Quality
AQI Median
48.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
83.7 / 100
Social Vulnerability
57.3 / 100
Community Resilience
41.7 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Relatively Moderate
Wildfire
Relatively Low
Flood
Relatively Low
Hail
Very Low
Strong Wind
Very Low
Heat Wave
Relatively Moderate
Winter Weather
Very Low
Lightning
Relatively Low
Drought
Very High
Cold Wave
No Rating
Landslide
Very Low
Volcano
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4,516 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.0.
Aug 24, 2014
The 2014 South Napa, California Earthquake
M6.0
109 km
11 km
May 24, 2013
2 km NNE of Canyondam, California
M5.7
138 km
8 km
May 11, 2023
Lake Almanor Earthquake
M5.5
137 km
6 km
Aug 10, 2001
3 km N of Blairsden, California
M5.2
134 km
5 km
May 12, 2023
4km NW of Canyondam, CA
M5.2
136 km
6 km
Aug 10, 2016
20 km NNE of Upper Lake, California
M5.1
80 km
14 km
Sep 3, 2000
5 km WSW of Yountville, California
M4.9
95 km
9 km
May 24, 2013
1km NNW of Canyondam, CA
M4.9
136 km
4 km
Sep 4, 1995
13 km SW of Middletown, California
M4.8
88 km
7 km
Apr 18, 2007
15 km N of Potter Valley, California
M4.8
109 km
5 km
May 12, 2006
7 km W of Cobb, California
M4.7
86 km
4 km
Jan 19, 2008
31 km NW of Rancho Tehama Reserve, California
M4.7
134 km
2 km
May 7, 2021
19km NW of Truckee, CA
M4.7
142 km
10 km
Jan 2, 2025
4 km NW of Cobb, CA
M4.7
80 km
1 km
Jan 11, 2000
6 km N of Geyserville, California
M4.6
96 km
6 km
Feb 18, 2004
4 km WNW of Cobb, California
M4.6
82 km
3 km
Jan 12, 2014
8 km W of Cobb, California
M4.5
87 km
2 km
Sep 25, 2012
3 km N of Talmage, California
M4.5
109 km
11 km
Jan 19, 2008
34 km WNW of Rancho Tehama Reserve, California
M4.5
136 km
10 km
Aug 3, 2006
5 km W of Glen Ellen, California
M4.5
105 km
9 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
78 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 8 injuries.
Date
Rating
Distance
Path
Fatalities
May 25, 2011
EF2
57 km
0.2 mi
0
Feb 10, 1994
EF2
51 km
0.3 mi
0
Sep 24, 1986
EF2
89 km
2.0 mi
0
Feb 7, 1978
EF2
63 km
1.9 mi
0
May 19, 1953
EF2
72 km
2.0 mi
0
Dec 19, 2023
EF1
74 km
0.4 mi
0
Dec 24, 2015
EF1
84 km
6.2 mi
0
Mar 26, 2014
EF1
52 km
0.7 mi
0
Mar 26, 2014
EF1
51 km
1.0 mi
0
Mar 26, 2014
EF1
53 km
0.6 mi
0
Oct 22, 2012
EF1
71 km
4.0 mi
0
Oct 22, 2012
EF1
26 km
2.0 mi
0
Oct 22, 2012
EF1
34 km
0.3 mi
0
May 25, 2011
EF1
49 km
26.4 mi
0
May 25, 2011
EF1
58 km
21.7 mi
0
Jan 8, 2005
EF1
45 km
0.1 mi
0
Feb 22, 1996
EF1
97 km
1.0 mi
0
Apr 17, 1993
EF1
47 km
0.5 mi
0
Jan 7, 1993
EF1
35 km
0.1 mi
0
Dec 17, 1992
EF1
50 km
5.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Clear Lake (77 km).
Name
Type
Elevation
Last Eruption
Distance
Clear Lake
Volcanic field
1,439 m (4,721 ft)
Unknown
77 km
Lassen Volcanic Center
Stratovolcano
3,187 m (10,456 ft)
1917
154 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: RANCH (427,048 acres, 2018).
Year
Name
Acres Burned
Distance
2018
RANCH
427,048
76 km
2020
NORTH COMPLEX
316,556
93 km
2020
HENNESSEY
314,241
66 km
2018
CAMP
153,687
74 km
2015
ROCKY
96,125
53 km
2018
COUNTY
92,450
55 km
1996
FORK
83,209
72 km
2019
KINCADE
77,780
91 km
2015
VALLEY
77,507
73 km
2020
GLASS
68,020
86 km
2008
BTU LIGHTNING COMPLEX (LONG BRANCH-JACK)
52,091
89 km
2017
ATLAS
51,664
91 km
2018
RIVER
48,920
96 km
2004
RUMSEY
39,335
53 km
1999
SIXTEEN
37,162
52 km
2017
TUBBS
36,981
92 km
1988
49R
36,673
62 km
1988
MILLER
35,750
81 km
1999
MHRD COMPLEX (BUCKS)
34,459
97 km
2012
MILL
29,924
65 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
49°F (9°C)
3.5 in
Wettest
February
51°F (10°C)
2.9 in
March
55°F (13°C)
2.5 in
April
60°F (16°C)
0.9 in
May
68°F (20°C)
0.4 in
June
73°F (23°C)
0.2 in
July
81°F (27°C)
0.0 in
Warmest, Driest
August
75°F (24°C)
0.1 in
September
72°F (22°C)
0.4 in
October
64°F (18°C)
1.1 in
November
53°F (12°C)
2.7 in
December
46°F (8°C)
2.7 in
Coldest
Meridian has a seasonal temperature swing of 36°F / from 46°F in December to 81°F in July. Total annual precipitation is 17.3 inches, with January being the wettest month (3.5") and July the driest (0.0").