This month in Costa Rica
Costa Rica Weather in December
December's climate at Tamarindo, Guanacaste, Costa Rica (Pacific coast) pairs 0.72 inches of rain with 86.8°F days and 73.7°F nights (historical averages). Omaha to Liberia for December 12 to 19 was $728 on American with two stops out. Daylight on the 15th runs 5:53 am to 5:24 pm (11.5 hours), and Guanacaste keeps Omaha time in December. The sampled Omaha round trip was $728.
Photo: Ann Lane
High / low
87° / 74°F
Rain
0.7 in
for the month
Humidity
79%
Wind
11 mph
Hurricane season
Off season
Fare from OMA
$728
Dec 12, 2026–Dec 19, 2026
Verdict
December in Costa Rica: 0.72 in rain, 86.8°F average high; outside hurricane season.
Rule: rain, comfort band and hurricane timing, explained on the method page.
vs last / next month
- vs November: 2°F warmer, 7.5 in drier, 6 pts less humid
- vs January: 3°F cooler, 0.6 in wetter, 9 pts more humid
- December sky: 40.6% cloud, 4.90 kWh/m²/day solar. November: 62.9% / 4.61; January: 29.6% / 5.42 (NASA).
- 2027-12-15: sunrise 05:53, sunset 17:24; 11.53 hours of light, changing -2 minutes across December. November daylight: 11.65 hours; January: 11.59. Omaha clock offset: 0 hours.
- December water: 82.4°F (NOAA 2015–2024). November water: 82.5°F; January: 82.4°F. Dew point: 71.6°F in December, 73.7°F in November, 68.7°F in January (NASA 2001–2025).
- Fares: $728 in December versus $791 in November; January searched at $676.
NASA POWER 2001–2025 means, Tamarindo, Guanacaste, Costa Rica (Pacific coast).
Holidays & events
- Official December dates we could source: Navidad on December 25 (Costa Rica MTSS feriados list). Christmas Day on December 24 is on the OPM federal list, so Omaha flights around that date fill first. No sourced December crowd data, so none claimed.
Pack for December (rule shown)
- The usual: swimsuit, SPF, one nice outfitno rule triggered
- Sunscreen you will reapplyUnder the 5.0 solar line at 4.90 in December; still tropical sun (daily-mean UV index 1.80).
Flight detail, OMA to LIR
$728
American, 2 stops via ORD/DFW, 18h 38m out. 41 itineraries. Observed Oct 31, 2026; not a quote.
Guide, sources and the 12-month table: Costa Rica.
December questions
Costa Rica weather: December or the months beside it?
Are there public holidays in Costa Rica in December?
Sources: ignav.com · nhc.noaa.gov · escuelajudicialpj.poder-judicial.go.cr · power.larc.nasa.gov · coastwatch.pfeg.noaa.gov · opm.gov · travel.state.gov · travel.state.gov · power.larc.nasa.gov
From Ann
December in Costa Rica, priced for your week.
Considering December in Costa Rica? Share your dates and budget. Ann checks OMA–LIR flights and places to stay against this 0.72 in rain / 86.8°F climate record.
Photo: Ann Lane