Reality Check · San Diego, CA
2024 Honda Prologue in San Diego, CA
Winter range, charging cost and how far it goes, worked out for San Diego's weather, grid and prices.
Winter barely touches range in San Diego: at a typical January's 57°F, a Prologue gets an estimated 268 miles on a charge, about its 273-mile rating. Charging at home at California's average rate (33.6¢/kWh) costs about $144 a month for 38 miles a day, against $410 for an average standard SUV on California's gas. And San Diego's grid (WECC California), 44% cleaner than the US average, makes it 86% less CO₂ than gas.
Partly estimated. 1 of 5 temperature bands are from 83 real drives of this model; the rest come from 1,548 real drives in EVs at each temperature (and Recurrent's winter study below freezing), applied to its 273-mile rating. Each band switches to its own drives once it has 20 from 3 drivers.
October rangeEstimated
271mi
At San Diego's typical October day, 68°F · 35% highway
Winter lowEstimated
268mi
January, 57°F · lows near 45°F
Home chargingEstimated
$144/mo
12.5¢ a mile at 33.6¢/kWh. Average standard SUV: $410/mo
San Diego's grid
0.43lb CO₂/kWh
WECC California (EPA eGRID): 44% cleaner than the US, 86% less CO₂ than gas
San Diego, season by seasonEstimated
A Prologue's range on a full charge, averaged over each season's months (30-year normal temperatures), at 35% highway.
Winter Dec–Feb · 57°F
About its rating · coldest week 268 mi
268mi
Spring Mar–May · 62°F
About its rating
271mi
Summer Jun–Aug · 71°F
About its rating
271mi
Fall Sep–Nov · 67°FNow
About its rating
271mi
A Prologue's range through a San Diego yearEstimated
Each month at San Diego's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from San Diego, on real roadsEstimated
In October, from a full charge with 10% in reserve: about 122 mi out and back, 244 mi one way (January: 242 mi). Dots are DC fast chargers by network.
Fast charging around San Diego
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 186DC fast chargers within 25 mi
- 1.1 mito the nearest
- EVgo387 in reach
- ChargePoint279
- Tesla Supercharger232
- Electrify America146
- EVCS87
Road trips in October, about, by road: Oxnard (191 mi) and Los Angeles (139 mi) one way on a charge; Bakersfield (258 mi) with one fast stop.
Questions San Diego drivers ask
How far can a Prologue go in a San Diego winter?
San Diego's winters are mild: about 268 miles on a typical January day (57°F) and about the same in the coldest week (around December 16, 56°F), estimated from real EV drives at those temperatures. That's about its 273-mile rating.
How much does it cost to charge a Prologue in San Diego?
About $144 a month at home for 38 miles a day, at California's average home electricity rate of 33.6¢/kWh: about 12.5¢ a mile. An average standard SUV on California's average gas ($6.03 a gallon) costs about $410 a month for the same driving.
Can I charge a Prologue on a regular 120 V outlet in San Diego?
At 38 miles a day, yes, all year: a 120 V outlet adds about 41 miles in 12 hours even in San Diego's coldest week, and about 42 on an average day.
Is it greener to drive electric on San Diego's grid?
Yes, more than most places. San Diego's grid (WECC California) is 44% cleaner than the US average, so a Prologue charged on it makes 86% less CO₂ than an average standard SUV.
Check it for your own address
Your street, your daily miles, any temperature on the knob.
Prologue Reality Check near San Diego
Sources: temperatures, 30-year normals (NOAA 1991–2020) at San Diego Montgomery Fld, CA; home electricity, EIA (California, July 2026); gas, EIA weekly (California); grid CO₂, EPA eGRID 2023; cold-weather range, PlugLog's real drives and Recurrent's winter study (Nov 2025); chargers, Open Charge Map and PlugLog. Updated Oct 22, 2026.