San Juan del Sur
Nicaragua · Central America
Year-round range: 76°F to 88°F
December
Excellent conditions this month
Warm sea, low rain, and plenty of bright days make this a strong beach month.
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
December is warm and sunny — good beach and outdoor weather.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = DecRainfall
Monthly rain and rain days.
December has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
December is one of the sunniest months — great for outdoor plans.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
December is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for December.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In December, afternoons reach about 81° and nights settle near 76°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity | Sea °F |
|---|---|---|---|---|---|---|---|
| Jan | 83°F | 76°F | 1 | 0.2in | 9.6h | 76.71428571428571% | 81°F |
| Feb | 84°F | 76°F | 1 | 0.2in | 10.6h | 73.71428571428571% | 81°F |
| Mar | 86°F | 76°F | 0 | 0.2in | 10.6h | 70.85714285714286% | 82°F |
| Apr | 88°F | 78°F | 3 | 1.0in | 8.4h | 70.85714285714286% | 83°F |
| May | 87°F | 79°F | 16 | 7.9in | 5h | 77.28571428571428% | 84°F |
| Jun | 84°F | 78°F | 28 | 9.5in | 3.5h | 83.28571428571428% | 84°F |
| Jul | 84°F | 78°F | 26 | 6.3in | 4h | 83.28571428571428% | 84°F |
| Aug | 84°F | 78°F | 27 | 8.4in | 4.2h | 83.14285714285714% | 84°F |
| Sep | 84°F | 78°F | 28 | 12in | 3.9h | 84% | 84°F |
| Oct | 83°F | 77°F | 28 | 14in | 3.8h | 84.85714285714285% | 84°F |
| Nov | 82°F | 77°F | 20 | 6.9in | 5.8h | 82.28571428571428% | 83°F |
| Dec | 82°F | 76°F | 4 | 0.8in | 8.5h | 79.57142857142857% | 82°F |