Pool swim season in Spanish Fork, UT

When can you swim in an outdoor pool in Spanish Fork, UT?

An unheated pool in Spanish Fork reaches 78°F in Aug, about 1 month a year. The air allows up to 5 swimmable months with a heater (May to Sep).

1. J
2. F
3. M
4. A
5. M
6. J
7. J
8. A
9. S
10. O
11. N
12. D

What each heater buys you in Spanish Fork

For a 450 sq ft pool held at 80°F, at UT prices of 13.2¢/kWh electricity and $10/Mcf gas. All-in spreads the purchase over the equipment's life.

The cheapest way to the full season in Spanish Fork

Solar panels + cover: 4 of 5 possible months for about $283 a year all-in, which works out near $94 for each month it adds.

Before you pay for any heater, buy a solar cover: on its own it adds 2 months here for about $50 a year (why a cover comes first). If you get quotes, ask for gas as well as a heat pump: once the purchase price is counted, gas comes out cheaper all-in here (heat pump or gas).

Weather station: Spanish Fk Pwr House, 3.1 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.

Spanish Fork month by month: air, sun and pool water

Heating costs most in May (about $121 with a heat pump, $176 with gas). Sunshine peaks in Jun at 7.8 kWh/m²/day (NASA satellite data, 44.7 km grid cell). Highlighted months are swimmable with no heater.

How Spanish Fork compares with nearby cities

Spanish Fork ranks 44 of 67 Utah cities for unheated swim months; Springville, Provo nearby get a longer season without a heater.