Herlong, CA
Full City Profile · California · Lassen County County
3.5
/5.0
B+
Good
329
Population
197/sq mi density
$55,938
Median Income
$30,052 per capita
$1,083
Median Rent
22.8% income on rent
50°F
Avg Temperature
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.0 / 5.0
$55,938 median income, 6.3% unemployment
A+
Affordability
4.6 / 5.0
C+
Education
2.8 / 5.0
22.4% bachelor's degree or higher
Herlong experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 33°F in January while summers reach 70°F in July. Annual precipitation totals 11.4 inches. The area receives 16.5 inches of snow annually.
Temperature
33°F Jan (1°C)
70°F Jul (21°C)
| Annual Average | 50.3°F |
| 7% below US avg | |
| January Average | 33°F (1°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 4,125 ft (1,257 m) |
| Area | 1.6 sq mi (4.2 km²) |
| Population Density | 197/sq mi |
| Coordinates | 40.1417°N, 120.1397°W |
| Timezone | America/Los_Angeles |
| County | Lassen County County |
| Nearest Airport | Reno/Tahoe International (RNO) 49 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 73.1 / 100 |
| Social Vulnerability | 69.3 / 100 |
| Community Resilience | 56.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Volcano | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Lassen Volcanic Center (122 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 122 km |
| Soda Lakes | Maar(s) | 1,251 m (4,104 ft) | Unknown | 128 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 2.1 in | Wettest |
| February | 38°F (3°C) | 1.5 in | |
| March | 44°F (6°C) | 1.3 in | |
| April | 48°F (9°C) | 0.7 in | |
| May | 55°F (13°C) | 0.7 in | |
| June | 62°F (17°C) | 0.6 in | |
| July | 70°F (21°C) | 0.3 in | Warmest |
| August | 68°F (20°C) | 0.2 in | Driest |
| September | 62°F (16°C) | 0.3 in | |
| October | 52°F (11°C) | 0.8 in | |
| November | 40°F (5°C) | 1.1 in | |
| December | 33°F (1°C) | 2.0 in | Coldest |
Herlong has a seasonal temperature swing of 37°F / from 33°F in December to 70°F in July. Total annual precipitation is 11.5 inches, with January being the wettest month (2.1") and August the driest (0.2").