Pool swim season in Truckee, CA
Swim season in Truckee without a heater, and with one
An unheated pool in Truckee never reaches 78°F in a normal year. It peaks around 67°F in Aug. The air allows up to 4 swimmable months with a heater (Jun to Sep).
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
Heater options for a Truckee pool, side by side
| Option | Months | Swimmable | Energy/yr | All-in/yr |
|---|---|---|---|---|
| No heater | 0 | no month | $0 | $0 |
| Solar cover only | 0 | no month | $0 | $50 |
| Solar panels + cover | 2 | Jul to Aug | $0 | $283 |
| Heat pump + cover | 4 | Jun to Sep | $972 | $1,522 |
| Gas heater + cover | 4 | Jun to Sep | $1,188 | $1,613 |
For a 450 sq ft pool held at 80°F, at CA prices of 32.6¢/kWh electricity and $22/Mcf gas. All-in spreads the purchase over the equipment's life.
The cheapest way to the full season in Truckee
Heat pump + cover: 4 of 4 possible months for about $1,522 a year all-in, which works out near $381 for each month it adds.
A solar cover alone adds no swim months here, so if you want a longer season you need a heater (why); still use one at night to hold the heat you pay for. If you get quotes, ask for a heat pump sized to your pool's surface area; here it beats gas all-in (heat pump or gas).
Weather station: Truckee Rs, 1.6 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.
Truckee month by month: air, sun and pool water
| Month | Air high | Air avg | Sun kWh/m²/day | Water, unheated | Water, covered | Heat pump $ | Gas $ |
|---|---|---|---|---|---|---|---|
| Jan | 42° | 29° | 2.3 | 28° | 34° | – | – |
| Feb | 45° | 31° | 3.2 | 30° | 36° | – | – |
| Mar | 50° | 35° | 4.4 | 35° | 41° | – | – |
| Apr | 55° | 40° | 5.8 | 41° | 47° | – | – |
| May | 64° | 48° | 7.1 | 48° | 54° | – | – |
| Jun | 75° | 55° | 8.3 | 57° | 63° | $371 | $438 |
| Jul | 84° | 63° | 8.3 | 64° | 70° | $190 | $249 |
| Aug | 84° | 62° | 7.4 | 67° | 73° | $142 | $184 |
| Sep | 76° | 55° | 5.9 | 62° | 68° | $269 | $317 |
| Oct | 65° | 46° | 4.2 | 52° | 58° | – | – |
| Nov | 51° | 36° | 2.7 | 41° | 47° | – | – |
| Dec | 41° | 28° | 2.0 | 31° | 37° | – | – |
Heating costs most in Jun (about $371 with a heat pump, $438 with gas). Sunshine peaks in Jun at 8.3 kWh/m²/day (NASA satellite data, 31.1 km grid cell). Highlighted months are swimmable with no heater.
How Truckee compares with nearby cities
Truckee ranks 363 of 376 California cities for unheated swim months; Reno, Placerville nearby get a longer season without a heater.
| City | Distance | Unheated months | Heat pump months | Heat pump $/yr |
|---|---|---|---|---|
| Reno, NV | 23 mi | 1 | 5 | $167 |
| Carson, NV | 28 mi | 0 | 5 | $247 |
| Sparks, NV | 30 mi | 0 | 6 | $314 |
| South Lake Tahoe, CA | 31 mi | 0 | 4 | $1,061 |
| Grass Valley, CA | 47 mi | 0 | 6 | $650 |
| Placerville, CA | 54 mi | 2 | 6 | $368 |