Tamarindo, Costa Rica: Annual Weather Averages
March is the hottest month in Tamarindo with an average temperature of 29°C (84°F) and the coldest is September at 26°C (79°F) with the most daily sunshine hours at 8 in April. The wettest month is September with an average of 359mm of rain. The best month to swim in the sea is in May when the average sea temperature is 29.1°C (84°F).
Average Temperature: Tamarindo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 27 | 28 | 29 | 29 | 28 | 27 | 28 | 27 | 26 | 26 | 26 | 27 |
| °F | 81 | 82 | 84 | 84 | 82 | 81 | 82 | 81 | 79 | 79 | 79 | 81 |
Average High/Low Temperature: Tamarindo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 31 | 32 | 33 | 34 | 32 | 30 | 31 | 31 | 29 | 29 | 29 | 31 |
| Low °C | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 |
| High °F | 88 | 90 | 91 | 93 | 90 | 86 | 88 | 88 | 84 | 84 | 84 | 88 |
| Low °F | 73 | 73 | 75 | 75 | 75 | 75 | 75 | 73 | 73 | 73 | 72 | 72 |
Average Rainfall: Tamarindo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 4 | 2 | 6 | 32 | 221 | 260 | 132 | 210 | 359 | 310 | 98 | 13 |
| Days | 7 | 4 | 3 | 5 | 14 | 18 | 20 | 21 | 20 | 20 | 18 | 13 |
Average Daily Sunshine Hours: Tamarindo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 7 | 7 | 8 | 8 | 7 | 5 | 6 | 5 | 5 | 5 | 6 | 6 |
Average Sea Temperature: Tamarindo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 28 | 26 | 29 | 27 | 29 | 29 | 28 | 28 | 29 | 28 | 27 | 28 |
| °F | 82 | 78 | 84 | 81 | 84 | 84 | 83 | 83 | 83 | 82 | 81 | 82 |
