This month in Costa Rica
Costa Rica Weather in March
March means 0.35 inches of rain for Tamarindo, Guanacaste, Costa Rica (Pacific coast). Average daytime maximum: 96.1°F; overnight minimum: 75.4°F. It is also the most expensive flight in our whole table: $1,227 from Omaha for March 13 to 20 on United through Chicago. Sunrise 5:50 am, sunset 5:54 pm on March 15, so 12.1 hours of light; set your watch 1 hour back from Omaha time in March.
Photo: Ann Lane
High / low
96° / 75°F
Rain
0.3 in
for the month
Humidity
59%
Wind
12 mph
Hurricane season
Off season
Fare from OMA
$1,227
Mar 13, 2027–Mar 20, 2027
Verdict
March in Costa Rica: 0.35 in rain, 96.1°F average high; outside hurricane season.
Rule: rain, comfort band and hurricane timing, explained on the method page.
vs last / next month
- vs February: 3°F warmer, 0.2 in wetter, 4 pts less humid
- vs April: same highs, 1.1 in drier, 2 pts less humid
- March sky: 26.4% cloud, 6.56 kWh/m²/day solar. February: 23.0% / 6.10; April: 49.1% / 6.18 (NASA).
- 2027-03-15: sunrise 05:50, sunset 17:54; 12.06 hours of light, changing 18 minutes across March. February daylight: 11.81 hours; April: 12.36. Omaha clock offset: -1 hours.
- March water: 82.4°F (NOAA 2015–2024). February water: 81.9°F; April: 84.1°F. Dew point: 66.8°F in March, 67.2°F in February, 68.9°F in April (NASA 2001–2025).
- Fares: $1,227 in March versus $873 in February; April searched at $346.
NASA POWER 2001–2025 means, Tamarindo, Guanacaste, Costa Rica (Pacific coast).
Holidays & events
- Official March dates we could source: Jueves Santo on March 25; Viernes Santo on March 26 (Costa Rica MTSS feriados list). Where the source gives a rule rather than a date, the 2027 date is worked out from that rule. March crowd levels: no source, so left out.
Pack for March (rule shown)
- Reef-safe SPF 50 and a sun hathigh 96°F > 88°F
- Electrolytes and a midday break planhigh 96°F > 95°F
- Reef-safe sunscreen and a rash guardMarch solar energy 6.56 kWh per square meter a day, over our 5.0 line; NASA's daily-mean UV index (2.63) is not the midday 8+ scale.
Flight detail, OMA to LIR
$1,227
United, 1 stop via ORD, 17h 27m out. 30 itineraries. Observed Oct 31, 2026; not a quote.
Guide, sources and the 12-month table: Costa Rica.
March questions
What changes around March in Costa Rica?
How warm is the water in Costa Rica in March?
Sources: ignav.com · nhc.noaa.gov · escuelajudicialpj.poder-judicial.go.cr · power.larc.nasa.gov · coastwatch.pfeg.noaa.gov · travel.state.gov · travel.state.gov · power.larc.nasa.gov
From Ann
March in Costa Rica, priced for your week.
Considering March in Costa Rica? Share your dates and budget. Ann checks OMA–LIR flights and places to stay against this 0.35 in rain / 96.1°F climate record.
Photo: Ann Lane