This month in Costa Rica
Costa Rica Weather in January
January's climate at Tamarindo, Guanacaste, Costa Rica (Pacific coast) pairs 0.16 inches of rain with 90.2°F days and 73.8°F nights (historical averages). The January 9 to 16 fare from Omaha was $676 on American via Chicago and Miami. On January 15 the sun is up from 6:05 am to 5:40 pm, 11.6 hours of daylight, and Guanacaste keeps Omaha time in January.
Photo: Ann Lane
High / low
90° / 74°F
Rain
0.2 in
for the month
Humidity
70%
Wind
13 mph
Hurricane season
Off season
Fare from OMA
$676
Jan 9, 2027–Jan 16, 2027
Verdict
January in Costa Rica: 0.16 in rain, 90.2°F average high; outside hurricane season.
Rule: rain, comfort band and hurricane timing, explained on the method page.
vs last / next month
- vs December: 3°F warmer, 0.6 in drier, 9 pts less humid
- vs February: 3°F cooler, 0.1 in wetter, 7 pts more humid
- January sky: 29.6% cloud, 5.42 kWh/m²/day solar. December: 40.6% / 4.90; February: 23.0% / 6.10 (NASA).
- 2027-01-15: sunrise 06:05, sunset 17:40; 11.59 hours of light, changing 10 minutes across January. December daylight: 11.53 hours; February: 11.81. Omaha clock offset: 0 hours.
- January water: 82.4°F (NOAA 2015–2024). December water: 82.4°F; February: 81.9°F. Dew point: 68.7°F in January, 71.6°F in December, 67.2°F in February (NASA 2001–2025).
- Fares: $676 in January versus $728 in December; February then climbs to $873.
NASA POWER 2001–2025 means, Tamarindo, Guanacaste, Costa Rica (Pacific coast).
Holidays & events
- On the Guanacaste calendar for January (Costa Rica MTSS feriados list): Ano Nuevo on January 1. On the Omaha side, New Year's Day on January 1 is US federal holiday (OPM), which moves demand on flights out of Nebraska, not the destination. January crowd levels: no source, so left out.
Pack for January (rule shown)
- Reef-safe SPF 50 and a sun hathigh 90°F > 88°F
- Reef-safe SPF and a long-sleeve swim shirtJanuary solar energy 5.42 kWh per square meter a day, over our 5.0 line; NASA's daily-mean UV index (1.99) is not the midday 8+ scale.
- Passport plus proof of your flight homeState Dept: return ticket required, passport valid through January dates.
Flight detail, OMA to LIR
$676
American, 2 stops via ORD/MIA, 16h 41m out. 49 itineraries. Observed Oct 31, 2026; not a quote.
Guide, sources and the 12-month table: Costa Rica.
January questions
Costa Rica weather: January or the months beside it?
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
January in Costa Rica, priced for your week.
Considering January in Costa Rica? Share your dates and budget. Ann checks OMA–LIR flights and places to stay against this 0.16 in rain / 90.2°F climate record.
Photo: Ann Lane