All Countries
Williams, CA
Full City Profile · California · Colusa County County
2.9
/5.0
C+
Fair
5,569
Population
1,125/sq mi density
$93,138
Median Income
$29,466 per capita
$339,900
Home Value
$369,865 Zillow
$1,296
Median Rent
23.6% income on rent
62°F
Avg Temperature
330 sunny days/yr
374
Violent Crime/100K
1,421 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$93,138 median income, 11.5% unemployment
A+
Affordability
4.6 / 5.0
$339,900 home value, $1,296/mo rent
F
Safety
1.0 / 5.0
374 violent crimes/100K
C
Education
2.2 / 5.0
15.0% bachelor's degree or higher
Williams enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 46°F in January while summers reach 76°F in July. The area gets 330 sunny days per year. Annual precipitation totals 17.2 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
46°F Jan (8°C)
76°F Jul (25°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 83 ft (25 m) |
| Area | 5.4 sq mi (14.1 km²) |
| Population Density | 1,125/sq mi |
| Coordinates | 39.1498°N, 122.1390°W |
| Timezone | America/Los_Angeles |
| County | Colusa County County |
| Nearest Airport | Sacramento International (SMF) 43 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0433 ppm |
| PM2.5 (Fine Particles) | 10.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 81.1 / 100 |
| Social Vulnerability | 49.5 / 100 |
| Community Resilience | 25.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Drought | Very High |
| Cold Wave | No Rating |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Clear Lake (58 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 58 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 159 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 3.5 in | Wettest |
| February | 51°F (10°C) | 2.8 in | |
| March | 55°F (13°C) | 2.4 in | |
| April | 60°F (15°C) | 0.9 in | |
| May | 67°F (20°C) | 0.3 in | |
| June | 73°F (23°C) | 0.2 in | |
| July | 76°F (25°C) | 0.0 in | Warmest, Driest |
| August | 75°F (24°C) | 0.1 in | |
| September | 72°F (22°C) | 0.3 in | |
| October | 64°F (18°C) | 1.1 in | |
| November | 53°F (11°C) | 2.6 in | |
| December | 46°F (8°C) | 2.7 in | Coldest |
Williams has a seasonal temperature swing of 31°F / from 46°F in December to 76°F in July. Total annual precipitation is 16.8 inches, with January being the wettest month (3.5") and July the driest (0.0").