← Weather to Go When
Costa Rica
Best time to visit Costa Rica
Based on 12 years of real historical weather data (2015–2026). Sunshine hours, rainfall, and temperature — week by week.
⭐ Best week
W10 · Mar 4–10
🌡 20.7°C avg☀️ 9.9h sun/day🌧 6.2mm/day
Weather score: 70/100
21.6°C
Avg summer temp
20.1°C
Avg winter temp
8.7h
Avg sunshine / day
12.5mm
Avg rainfall / day
Month-by-month weather
January68/100
🌡 19.9°C☀️ 9.6h🌧 Heavy rain
February69/100
🌡 20.0°C☀️ 10.0h🌧 Heavy rain
March70/100
🌡 20.9°C☀️ 9.9h🌧 Heavy rain
April66/100
🌡 21.4°C☀️ 9.3h🌧 Heavy rain
May54/100
🌡 22.1°C☀️ 8.3h🌧 Heavy rain
June53/100
🌡 21.8°C☀️ 7.8h🌧 Heavy rain
July56/100
🌡 21.4°C☀️ 7.7h🌧 Heavy rain
August57/100
🌡 21.7°C☀️ 8.4h🌧 Heavy rain
September54/100
🌡 22.0°C☀️ 8.5h🌧 Heavy rain
October53/100
🌡 21.8°C☀️ 7.9h🌧 Heavy rain
November57/100
🌡 20.9°C☀️ 7.7h🌧 Heavy rain
December64/100
🌡 20.3°C☀️ 8.8h🌧 Heavy rain
All weeks ranked by weather score
| Week | Dates | Avg temp | Range | Sun / day | Rain / day | Score |
|---|---|---|---|---|---|---|
| W10 | Mar 4–10 | 20.7°C | 13.2°–21.8° | 9.9h | 6.2mm | 70 |
| W9 | Feb 26–Mar 3 | 20.3°C | 13.0°–21.6° | 10.1h | 7.4mm | 69 |
| W11 | Mar 11–17 | 21.0°C | 13.9°–22.1° | 10.1h | 6.4mm | 69 |
| W4 | Jan 22–28 | 20.0°C | 13.1°–21.3° | 9.7h | 7.7mm | 68 |
| W8 | Feb 19–25 | 20.1°C | 12.9°–21.5° | 10.0h | 8.3mm | 68 |
| W6 | Feb 5–11 | 19.7°C | 12.7°–21.1° | 10.0h | 9.1mm | 66 |
| W12 | Mar 18–24 | 20.7°C | 13.7°–21.9° | 9.6h | 7.6mm | 66 |
| W16 | Apr 15–21 | 21.6°C | 14.9°–22.6° | 9.8h | 6.3mm | 66 |
| W5 | Jan 29–Feb 4 | 20.1°C | 13.1°–21.5° | 10.1h | 10.6mm | 65 |
| W3 | Jan 15–21 | 19.9°C | 12.9°–21.0° | 9.9h | 11.6mm | 64 |
| W14 | Apr 1–7 | 21.1°C | 14.5°–22.3° | 9.3h | 7.9mm | 64 |
| W52 | Dec 23–29 | 20.2°C | 14.0°–21.2° | 8.7h | 8.3mm | 64 |
| W7 | Feb 12–18 | 19.9°C | 12.7°–21.3° | 9.7h | 10.2mm | 63 |
| W13 | Mar 25–31 | 21.0°C | 14.1°–22.0° | 9.9h | 8.9mm | 63 |
| W1 | Jan 1–7 | 20.0°C | 13.7°–21.0° | 9.2h | 11.0mm | 62 |
| W2 | Jan 8–14 | 19.8°C | 13.3°–20.8° | 9.5h | 10.4mm | 62 |
| W50 | Dec 9–15 | 20.2°C | 13.8°–21.6° | 9.1h | 10.0mm | 61 |
| W51 | Dec 16–22 | 20.1°C | 13.6°–21.3° | 8.8h | 11.6mm | 61 |
| W49 | Dec 2–8 | 20.5°C | 14.1°–21.6° | 8.8h | 13.9mm | 60 |
| W17 | Apr 22–28 | 21.8°C | 15.7°–22.6° | 9.0h | 8.4mm | 59 |
| W15 | Apr 8–14 | 21.3°C | 15.0°–22.5° | 9.0h | 9.3mm | 58 |
| W33 | Aug 12–18 | 21.6°C | 15.8°–22.5° | 8.1h | 8.3mm | 57 |
| W48 | Nov 25–Dec 1 | 20.4°C | 14.9°–21.4° | 8.0h | 12.2mm | 57 |
| W30 | Jul 22–28 | 21.4°C | 15.4°–22.4° | 7.9h | 8.8mm | 56 |
| W32 | Aug 5–11 | 21.6°C | 16.0°–22.4° | 8.0h | 8.9mm | 56 |
| W31 | Jul 29–Aug 4 | 21.7°C | 15.7°–22.6° | 8.3h | 9.4mm | 55 |
| W45 | Nov 4–10 | 21.4°C | 15.3°–22.4° | 8.1h | 18.6mm | 55 |
| W18 | Apr 29–May 5 | 22.0°C | 16.0°–23.0° | 8.8h | 10.4mm | 54 |
| W19 | May 6–12 | 22.2°C | 16.2°–23.2° | 8.7h | 11.0mm | 54 |
| W34 | Aug 19–25 | 21.8°C | 16.0°–22.7° | 8.8h | 16.8mm | 54 |
| W35 | Aug 26–Sep 1 | 22.0°C | 16.2°–22.9° | 8.7h | 12.5mm | 54 |
| W37 | Sep 9–15 | 21.9°C | 16.0°–22.9° | 8.7h | 10.6mm | 54 |
| W47 | Nov 18–24 | 20.8°C | 15.2°–22.3° | 7.5h | 12.6mm | 54 |
| W25 | Jun 17–23 | 21.7°C | 16.4°–22.6° | 8.1h | 11.3mm | 53 |
| W27 | Jul 1–7 | 21.4°C | 15.9°–22.4° | 8.0h | 12.4mm | 53 |
| W28 | Jul 8–14 | 21.3°C | 15.8°–22.1° | 7.4h | 9.9mm | 53 |
| W36 | Sep 2–8 | 21.8°C | 15.9°–22.7° | 8.2h | 12.7mm | 53 |
| W38 | Sep 16–22 | 22.1°C | 15.8°–23.0° | 8.6h | 15.9mm | 53 |
| W43 | Oct 21–27 | 21.8°C | 15.7°–22.7° | 8.1h | 17.4mm | 53 |
| W20 | May 13–19 | 22.1°C | 16.1°–23.1° | 8.2h | 13.7mm | 52 |
| W22 | May 27–Jun 2 | 22.1°C | 16.7°–23.1° | 8.1h | 18.9mm | 52 |
| W26 | Jun 24–30 | 21.5°C | 16.2°–22.5° | 7.3h | 13.1mm | 52 |
| W29 | Jul 15–21 | 21.3°C | 15.8°–22.2° | 7.3h | 14.4mm | 52 |
| W39 | Sep 23–29 | 22.2°C | 16.1°–23.0° | 8.4h | 21.9mm | 52 |
| W40 | Sep 30–Oct 6 | 22.1°C | 15.8°–23.1° | 8.1h | 23.8mm | 52 |
| W41 | Oct 7–13 | 21.9°C | 15.8°–22.8° | 8.2h | 21.3mm | 52 |
| W42 | Oct 14–20 | 21.7°C | 16.2°–22.5° | 7.7h | 17.1mm | 52 |
| W44 | Oct 28–Nov 3 | 21.5°C | 16.1°–22.6° | 7.6h | 16.7mm | 52 |
| W46 | Nov 11–17 | 21.1°C | 15.3°–22.2° | 7.1h | 18.9mm | 52 |
| W23 | Jun 3–9 | 22.1°C | 16.5°–23.2° | 8.0h | 19.7mm | 51 |
| W24 | Jun 10–16 | 21.9°C | 16.4°–22.7° | 7.8h | 16.1mm | 51 |
| W21 | May 20–26 | 22.1°C | 16.6°–23.1° | 7.8h | 21.6mm | 50 |
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