2 places · sun position · panel angle

Solar data for the Cayman Islands

Across the 2 places in the Cayman Islands the best fixed tilt for solar panels is 18°, and flat ground gets 5.6 to 5.6 peak sun hours a day. Every number is computed for each place.

Solar power in the Cayman Islands at a glance

Averages over 2 places with climate data, for a fixed array facing south.

Best panel angle18°average, facing south
Peak sun hours5.57a day on flat ground
1 kWp makes1,672kWh a year at the best angle
Off-grid angle24°average, for the darkest month
George Town
  • 5.57 peak sun hours a day

Peak sun hours a day on flat ground. Each dot is one place.

The sunniest place in the Cayman Islands is George Town (George Town) with 5.57 peak sun hours a day on flat ground; the least sunny is West Bay with 5.56. A 1 kWp array at its best angle makes from 1,671 kWh a year in West Bay to 1,673 kWh in George Town — 1,672 kWh on average.

The best year-round tilt is 18° everywhere. Off-grid systems are sized for the darkest month and do better steeper, at 24° on average: at 70° that month brings 1.74 kWh per kWp a day in George Town and 1.74 kWh in West Bay.

Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.

Largest places in the Cayman Islands at a glance

PlaceLatitudeBest tiltOff-grid tiltSun hours/day (flat)
George Town19.3° N18°24°5.57
West Bay19.4° N18°24°5.56

Daylight and clock time in the Cayman Islands

In West Bay (19.4° N), the northernmost place, the longest day of the year lasts 13 h 18 min and the shortest 10 h 58 min; in George Town (19.3° N), the southernmost, 13 h 18 min and 10 h 58 min. The Cayman Islands does not use daylight saving time: the clocks stay the same all year.

Time zonePlacesUTC offsetClocks change in 2026
America/Cayman2UTC−5no daylight saving time

Questions about solar in the Cayman Islands

What is the best angle for solar panels in the Cayman Islands?
Facing south, 18° everywhere — 18° on average over 2 places. Off-grid systems that must get through the darkest month do better steeper, at about 24° on average.
How many peak sun hours does the Cayman Islands get?
From 5.6 hours a day in West Bay to 5.6 in George Town on flat ground, averaged over the year; 5.6 on average.
How much electricity does 1 kWp of solar panels produce in the Cayman Islands?
About 1,672 kWh a year at the best fixed angle on average, from 1,671 kWh in West Bay to 1,673 kWh in George Town. These are long-term climate averages; a single year can be several per cent higher or lower.
Where is the sunniest place in the Cayman Islands?
George Town (George Town) gets the most sun of the 2 places: 5.57 peak sun hours a day on flat ground, so 1 kWp there makes about 1,673 kWh a year.
Does the Cayman Islands use daylight saving time?
The Cayman Islands does not use daylight saving time: the clocks stay the same all year.
How long is the longest day in the Cayman Islands?
13 h 18 min in West Bay; the shortest day lasts 10 h 58 min in West Bay.

All places in the Cayman Islands

George Town

West Bay