Costa Rica · Central America
Manuel Antonio
Sea
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Air
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UV
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Climate · monthly averages
Sea temperature by month
30-year averages (1996–2025). Min/Max are typical daily lows and highs, not record extremes.
75°F
79°F
82°F
86°F
90°F
93°F
January
83.7°F(82°F–86°F)
February
84.5°F(83°F–86°F)
March
85.3°F(84°F–86°F)
April
85.6°F(84°F–87°F)
May
85.0°F(84°F–86°F)
June
84.4°F(83°F–86°F)
July
84.2°F(83°F–86°F)
August
84.2°F(83°F–86°F)
September
83.7°F(83°F–85°F)
October
82.8°F(81°F–85°F)
November
82.3°F(81°F–84°F)
December
83.0°F(81°F–85°F)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MinMin °F | 8282.1 | 8383.2 | 8484.3 | 8484.5 | 8483.9 | 8383.4 | 8382.9 | 8383.0 | 8382.6 | 8181.2 | 8180.8 | 8181.1 |
| AvgAvg °F | 8483.7 | 8584.5 | 8585.3 | 8685.6 | 8585.0 | 8484.4 | 8484.2 | 8484.2 | 8483.7 | 8382.8 | 8282.3 | 8383.0 |
| MaxMax °F | 8685.9 | 8685.9 | 8686.3 | 8786.9 | 8686.4 | 8685.7 | 8685.7 | 8685.6 | 8585.2 | 8584.8 | 8484.3 | 8585.1 |
Warmest in April (85.6°F). Coldest in November (82.3°F). Comfortable for swimming year-round.
About Manuel Antonio
Manuel Antonio National Park, established 1972 on Costa Rica's central Pacific coast south of Quepos, packs squirrel monkeys, sloths and capuchins into the country's smallest reserve, where rainforest meets ocean within metres of the sand. Outside the entrance, Playa Espadilla runs a long public strip with vendors and surf schools, while Playa Espadilla Sur lies inside the park, sheltered by the Punta Catedral tombolo that links a former island to shore. Sea temperatures hold between 28 and 29 °C from January through December, swimmable year-round.