Weather & Climate in Igo, CA

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Igo enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 47°F in January while summers reach 83°F in July. The area gets 269 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 62.9 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 1,024 feet.

Temperature

47°F Jan (8°C) 83°F Jul (28°C)

Annual Average	62.9°F
	16% above US avg
January Average	47°F (8°C)
July Average	83°F (28°C)
Sunny Days	269 days/yr

Geography

Elevation	1,024 ft (312 m)
Area	1.0 sq mi (2.6 km²)
Population Density	107/sq mi
Coordinates	40.4977°N, 122.5496°W
Timezone	America/Los_Angeles
County	Tehama County County
Nearest Airport	Redding Regional (RDD) 13 miles away

Precipitation & Snow

Annual Rainfall 62.9"

66% above US avg

Wettest Month (Jan) 6.93"

Driest Month (Jul) 0.12"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	88.9 / 100
Social Vulnerability	52.9 / 100
Community Resilience	27.3 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively Moderate
Wildfire	Relatively High
Flood	Relatively Moderate
Hail	Very Low
Strong Wind	Very Low
Heat Wave	Relatively Low
Winter Weather	Very Low
Lightning	Relatively Low
Drought	Relatively High
Cold Wave	No Rating
Landslide	Relatively High
Volcano	Relatively Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

2,395 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.

Apr 25, 1992	The 1992 Petrolia, California Earthquake	M7.2	143 km	10 km
Aug 17, 1991	30 km SSW of Scotia, California	M6.0	150 km	8 km
May 24, 2013	2 km NNE of Canyondam, California	M5.7	131 km	8 km
Feb 13, 2012	26 km NNW of Willow Creek, California	M5.6	127 km	27 km
May 11, 2023	Lake Almanor Earthquake	M5.5	126 km	6 km
Apr 30, 2008	3 km NNW of Burnt Ranch, California	M5.4	88 km	28 km
Jan 1, 2023	15km SE of Rio Dell, CA	M5.4	121 km	31 km
Mar 8, 1992	27 km NW of Shelter Cove, California	M5.3	148 km	9 km
May 12, 2023	4km NW of Canyondam, CA	M5.2	127 km	6 km
Nov 26, 1998	7km NW of Redding, CA	M5.1	18 km	25 km
Aug 10, 2016	20 km NNE of Upper Lake, California	M5.1	132 km	14 km
Sep 8, 2023	12 km NE of Burney, CA	M5.0	98 km	16 km
Jan 18, 1990	27 km ESE of Orick, California	M4.9	127 km	35 km
May 24, 2013	1km NNW of Canyondam, CA	M4.9	130 km	4 km
Jul 21, 2016	19km SSE of Blue Lake, CA	M4.8	116 km	26 km
Apr 18, 2007	15 km N of Potter Valley, California	M4.8	124 km	5 km
Jan 19, 2008	31 km NW of Rancho Tehama Reserve, California	M4.7	38 km	2 km
Sep 30, 2023	3 km SW of Ferndale, CA	M4.7	147 km	18 km
Nov 26, 1998	5km NNW of Redding, CA	M4.6	18 km	25 km
Jan 19, 2008	34 km WNW of Rancho Tehama Reserve, California	M4.5	41 km	10 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

17 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 injury.

Date	Rating	Distance	Path	Fatalities
Sep 24, 1986	EF2	76 km	2.0 mi	0
May 9, 1980	EF2	50 km	0.1 mi	0
May 19, 1953	EF2	89 km	2.0 mi	0
Dec 19, 2023	EF1	98 km	0.4 mi	0
Mar 5, 1978	EF1	52 km	0.1 mi	0
Mar 4, 1978	EF1	92 km	1.5 mi	0
Apr 25, 2021	EF0	83 km	2.0 mi	0
Jan 4, 2021	EF0	75 km	2.7 mi	0
Jan 4, 2021	EF0	63 km	0.8 mi	0
Mar 29, 2014	EF0	88 km	0.0 mi	0
Apr 4, 2013	EF0	47 km	0.8 mi	0
Feb 19, 2013	EF0	60 km	0.5 mi	0
Mar 8, 2010	EF0	85 km	0.3 mi	0
Jul 5, 2000	EF0	93 km	0.2 mi	0
Mar 14, 1987	EF0	66 km	0.2 mi	0
Mar 5, 1978	EF0	64 km	0.1 mi	0
Mar 5, 1978	EF0	37 km	0.1 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Lassen Volcanic Center (88 km).

Name	Type	Elevation	Last Eruption	Distance
Lassen Volcanic Center	Stratovolcano	3,187 m (10,456 ft)	1917	88 km
Shasta	Stratovolcano	4,317 m (14,163 ft)	1250	106 km
Medicine Lake	Shield	2,412 m (7,913 ft)	1060	149 km
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	171 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: AUGUST COMPLEX (1,068,802 acres, 2020).

Year	Name	Acres Burned	Distance
2020	AUGUST COMPLEX	1,068,802	74 km
2018	CARR	233,710	24 km
2021	MONUMENT	226,125	65 km
2021	HAYPRESS	204,549	78 km
2020	RED SALMON COMPLEX	147,535	100 km
1990	CAMPBELL	128,266	80 km
1999	MEGRAM- ORLEANS	125,337	95 km
2021	MCFARLAND	121,554	40 km
2006	PIGEON	100,962	75 km
2008	YOLLA BOLLY COMPLEX (IRON)	94,888	58 km
2015	RIVER COMPLEX	78,531	83 km
2018	DELTA	63,732	57 km
1992	FOUNTAIN	62,340	70 km
1999	GUN 2	61,203	73 km
2020	ZOGG	56,941	10 km
2012	BAGLEY	47,731	73 km
2018	HIRZ	46,700	59 km
1994	BARKLEY	44,256	79 km
2012	NORTH PASS	43,689	79 km
2008	SHU LIGHTNING COMPLEX (MOON)	36,514	11 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	47°F (8°C)	6.9 in	Wettest
February	49°F (9°C)	5.4 in
March	52°F (11°C)	5.2 in
April	57°F (14°C)	2.3 in
May	65°F (19°C)	1.2 in
June	75°F (24°C)	0.6 in
July	83°F (28°C)	0.1 in	Warmest, Driest
August	81°F (27°C)	0.3 in
September	75°F (24°C)	0.9 in
October	65°F (18°C)	2.1 in
November	52°F (11°C)	5.5 in
December	45°F (7°C)	5.8 in	Coldest

Igo has a seasonal temperature swing of 37°F / from 45°F in December to 83°F in July. Total annual precipitation is 36.4 inches, with January being the wettest month (6.9") and July the driest (0.1").

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