San Antonio, Costa Rica Climate
Costa Rica
Pop. 10,938 Elev. 900 m / 2,953 ft
TZ: America/Costa_Rica (UTC-6) ·
San Antonio has a mild climate year-round, with temperatures ranging from 62°F (17°C) in December to 81°F (27°C) in March. Rain falls on about 140 days per year (94.3 in / 2395 mm total). The city averages 43 sunny days per year and around 108 thunderstorm days. Ocean water temperatures reach 87°F (30°C) in summer.
| Temperature | 27°C (81°F) high | 16°C (62°F) low |
| Feels like | 29°C (84°F) high | 16°C (62°F) low |
| Rain | 140 days | 2395 mm (94.3 in) /yr |
| Sky | 43 sunny | 108 stormy |
| Wind | 1.4 m/s (3.1 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Feb, Mar, Apr, May, Jul, Aug, Nov, Dec
Sky & Air by Month
Cloud cover (%)
57
Jan 59
Feb 61
Mar 75
Apr 86
May 97
Jun 85
Jul 86
Aug 95
Sep 95
Oct 77
Nov 59
Dec Humidity (%)
76
Jan 70
Feb 68
Mar 72
Apr 84
May 89
Jun 82
Jul 84
Aug 88
Sep 91
Oct 83
Nov 77
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 3 km Juan Santamaría International Airport (SJO)
National park 23 km
Mountain peak
(1,645 m) 10 km Cerro Pacacua
Hospital 3 km Hospital Metropolitano
Hiking trail 13 km Sendero circular principal
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 25°C 76°F | 17°C 62°F | 50 mm 2.0 in | — | 11 |
| February | 25°C 78°F | 17°C 62°F | 23 mm 0.9 in | — | 7 |
| March | 27°C 81°F | 17°C 62°F | 18 mm 0.7 in | — | 8 |
| April | 26°C 79°F | 18°C 64°F | 46 mm 1.8 in | — | 4 |
| May | 26°C 78°F | 18°C 65°F | 164 mm 6.5 in | — | 0 |
| June | 24°C 76°F | 18°C 64°F | 425 mm 16.7 in | — | 0 |
| July | 25°C 77°F | 18°C 65°F | 174 mm 6.8 in | — | 2 |
| August | 25°C 77°F | 17°C 63°F | 258 mm 10.1 in | — | 0 |
| September | 25°C 77°F | 18°C 64°F | 494 mm 19.5 in | — | 0 |
| October | 24°C 76°F | 17°C 63°F | 474 mm 18.7 in | — | 0 |
| November | 25°C 77°F | 17°C 63°F | 174 mm 6.9 in | — | 1 |
| December | 25°C 77°F | 16°C 62°F | 93 mm 3.7 in | — | 10 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 1 |
| February | 7 | 0 |
| March | 8 | 0 |
| April | 4 | 1 |
| May | 0 | 9 |
| June | 0 | 18 |
| July | 2 | 9 |
| August | 0 | 11 |
| September | 0 | 22 |
| October | 0 | 24 |
| November | 1 | 8 |
| December | 10 | 5 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 29°C 85°F | 23°C 74°F |
| February | 30°C 85°F | 23°C 74°F |
| March | 30°C 86°F | 24°C 75°F |
| April | 30°C 87°F | 24°C 76°F |
| May | 30°C 86°F | 25°C 77°F |
| June | 29°C 85°F | 25°C 77°F |
| July | 30°C 86°F | 25°C 76°F |
| August | 29°C 84°F | 25°C 76°F |
| September | 29°C 84°F | 25°C 76°F |
| October | 28°C 83°F | 24°C 75°F |
| November | 29°C 83°F | 24°C 75°F |
| December | 29°C 84°F | 24°C 74°F |