Weather & Climate in Big Lake, TX

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

Big Lake enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 47°F in January while summers reach 83°F in July. The area gets 330 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 18.2 inches (drier than the 38-inch national average). The area receives 2.3 inches of snow annually. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 2,682 feet.

Temperature

47°F Jan (8°C) 83°F Jul (28°C)

Annual Average	65.8°F
	22% above US avg
January Average	47°F (8°C)
July Average	83°F (28°C)
Sunny Days	330 days/yr

Geography

Elevation	2,682 ft (817 m)
Area	1.4 sq mi (3.5 km²)
Population Density	1,294/sq mi
Coordinates	31.1941°N, 101.4534°W
Timezone	America/Chicago
County	Reagan County County
Nearest Airport	San Angelo Regional/Mathis Field (SJT) 58 miles away

Precipitation & Snow

Annual Rainfall 18.2"

52% below US avg

Snowfall 2.3"

Wettest Month (Sep) 3.19"

Driest Month (Jan) 0.59"

Air Quality

AQI Median	42.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	5.9 / 100
Social Vulnerability	46.9 / 100
Community Resilience	1.9 / 100

Hazard Breakdown

Tornado	Very Low
Hurricane	Very Low
Earthquake	Very Low
Wildfire	Very Low
Flood	Very Low
Hail	Relatively Low
Strong Wind	Very Low
Heat Wave	Very Low
Winter Weather	Very Low
Lightning	Very Low
Ice Storm	Very Low
Drought	Relatively High
Cold Wave	Very Low
Landslide	Very Low

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

Earthquake History

250 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.

Sep 17, 2024	2024 North of Tarzan, Texas Earthquake	M5.1	147 km	6 km
Feb 28, 2025	26 km SW of Ackerly, Texas	M4.8	138 km	7 km
Apr 10, 2024	21 km N of Stanton, Texas	M4.4	130 km	5 km
Jun 6, 2022	18 km SE of Ackerly, Texas	M3.9	135 km	7 km
Aug 15, 2024	28 km SW of Garden City, Texas	M3.8	60 km	8 km
Apr 10, 2023	20 km NW of Stanton, Texas	M3.7	127 km	6 km
Aug 10, 2024	28 km SW of Garden City, Texas	M3.6	60 km	6 km
Jun 16, 2022	16 km SSE of Ackerly, Texas	M3.6	134 km	8 km
Jul 19, 2024	6 km WSW of Westbrook, Texas	M3.6	131 km	9 km
Jul 22, 2023	10 km SSE of Gardendale, Texas	M3.5	118 km	8 km
May 22, 2021	11 km NE of Odessa, Texas	M3.5	113 km	8 km
Feb 15, 2021	15 km N of Stanton, Texas	M3.5	124 km	5 km
Mar 19, 2022	18 km SSE of Ackerly, Texas	M3.5	133 km	4 km
Jul 31, 2023	17 km SSE of Ackerly, Texas	M3.5	133 km	6 km
Apr 30, 2024	33 km WSW of Ackerly, Texas	M3.5	146 km	8 km
Aug 12, 2022	16 km SE of Ackerly, Texas	M3.4	137 km	6 km
Jan 22, 2024	33 km WSW of Ackerly, Texas	M3.4	146 km	8 km
Jan 1, 2021	17 km N of Stanton, Texas	M3.4	126 km	5 km
Oct 18, 2024	34 km WSW of Ackerly, Texas	M3.4	147 km	7 km
Feb 27, 2025	34 km WSW of Ackerly, Texas	M3.4	147 km	8 km

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

Tornado History

172 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 15 fatalities, 198 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 1, 1990	EF4	86 km	22.0 mi	2
May 11, 1953	EF4	91 km	9.9 mi	13
May 30, 2024	EF3	78 km	5.3 mi	0
May 22, 2024	EF3	55 km	4.8 mi	0
May 22, 2016	EF3	81 km	3.7 mi	0
Apr 30, 1952	EF3	98 km	0.5 mi	0
May 4, 2024	EF2	95 km	20.1 mi	0
May 24, 2022	EF2	80 km	11.2 mi	0
May 17, 2021	EF2	99 km	11.4 mi	0
May 20, 2019	EF2	74 km	6.6 mi	0
May 18, 2019	EF2	78 km	17.6 mi	0
May 18, 2019	EF2	84 km	2.1 mi	0
Oct 13, 2018	EF2	76 km	3.0 mi	0
Mar 28, 2017	EF2	57 km	1.8 mi	0
May 22, 2016	EF2	94 km	3.1 mi	0
May 22, 2016	EF2	78 km	1.9 mi	0
Mar 22, 2000	EF2	44 km	12.0 mi	0
May 4, 1999	EF2	74 km	23.0 mi	0
May 14, 1989	EF2	77 km	6.0 mi	0
Jun 21, 1971	EF2	74 km	0.1 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: GLASS (196,945 acres, 2008).

Year	Name	Acres Burned	Distance
2008	GLASS	196,945	56 km
2006	COLE	39,436	75 km
2006	ROCKER B	37,361	40 km
2011	SUTTON	26,751	87 km
2020	HOLCOMBE RD	25,771	99 km
2011	WILLIAMS	23,912	36 km
2011	DHR	21,345	85 km
2011	LITTLE SMOKEY	19,841	77 km
2011	ENCINO	12,156	83 km
2011	SCOTT RANCH	10,755	36 km
2011	CANNON	10,449	67 km
2020	SMITH CANYON	8,590	61 km
2011	DHI	7,149	98 km
2019	190 EAST	7,091	41 km
2008	UNNAMED	6,810	43 km
2022	CHICO LANE	6,617	14 km
2019	7D	5,402	48 km
2020	7D2	5,253	49 km
2015	HEAD OF THE RIVER RANCH	5,205	96 km
2019	OGLESBY	5,098	64 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	47°F (8°C)	0.6 in	Driest
February	48°F (9°C)	0.9 in
March	56°F (13°C)	0.8 in
April	64°F (18°C)	1.4 in
May	73°F (23°C)	2.4 in
June	79°F (26°C)	1.9 in
July	83°F (28°C)	1.9 in	Warmest
August	80°F (27°C)	1.9 in
September	74°F (23°C)	3.2 in	Wettest
October	64°F (18°C)	2.1 in
November	53°F (12°C)	0.9 in
December	45°F (7°C)	0.8 in	Coldest

Big Lake has a seasonal temperature swing of 37°F / from 45°F in December to 83°F in July. Total annual precipitation is 18.8 inches, with September being the wettest month (3.2") and January the driest (0.6").

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