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.
Planning a trip, an event, or a party in Costa Rica? Here's what to expect. Summers here run warm, and winters are cooler. For the best odds of good weather, aim for March, February and January. Days run warm, with up to 9.9h of sunshine and very rainy.
Month-by-month weather
Costa Rica in January runs mild, averaging 19.9°C.
Costa Rica in February runs warm, averaging 20°C.
Costa Rica in March runs warm, averaging 20.9°C.
Costa Rica in April runs warm, averaging 21.4°C.
Costa Rica in May runs warm, averaging 22.1°C.
Costa Rica in June runs warm, averaging 21.8°C.
Costa Rica in July runs warm, averaging 21.4°C.
Costa Rica in August runs warm, averaging 21.7°C.
Costa Rica in September runs warm, averaging 22°C.
Costa Rica in October runs warm, averaging 21.8°C.
Costa Rica in November runs warm, averaging 20.9°C.
Costa Rica in December runs warm, averaging 20.3°C.
Frequently asked questions
What is the best time to visit Costa Rica?
If you're planning a trip, wedding, or outdoor event in Costa Rica, aim for March, February and January — Days run warm, with up to 9.9h of sunshine and very rainy. This is based on 12 years of real historical weather data (2015–2026), not a single forecast.
What is the weather like in Costa Rica in March?
If you visit Costa Rica in March, expect warm days around 20.9°C You'll get around 9.9h of sunshine per day and 7.3mm of rain — very rainy.
What is the hottest month in Costa Rica?
May is typically the hottest month, running warm — good to know if you're planning something outdoors and want to avoid the peak heat.
What is the driest month in Costa Rica?
March is your safest bet if you want to avoid rain, averaging only 7.3mm per day. October is the wettest, at 19.3mm per day — worth planning around if you're hosting anything outdoors.
All weeks ranked by weather score
| Week | Dates | Midday 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° → 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° | 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° → 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° | 9.9h | 8.9mm | 63 |
| W1 | Jan 1–7 | 20.0°C | 13.7° → 21° | 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° → 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° → 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° → 23° | 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° → 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° → 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° | 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° | 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 |
Nail down the right dates for Costa Rica
Compare individual weeks, see year-by-year variation, and download the data as Excel — everything you need to plan a trip, wedding, or event.
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