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Travel Information
Temp
29° C
average
Rain
54 mm
per month
Sun
20 %
chance
Humidity
69 %
average
Weather in Costa Rica in May
In May, Costa Rica experiences a transition into its rainy season, offering a unique blend of warm temperatures and refreshing showers. Travellers can expect a mix of sunny and cloudy days, with frequent bursts of rain that bring a lush vibrancy to the landscape. Despite the rain, the weather is generally warm and suitable for exploring the rich biodiversity and scenic beauty of Costa Rica. Visitors should be prepared for outdoor adventures while embracing the possibility of occasional rainfall that defines the region’s tropical charm.
May Climate Overview
- Average Temperature: 24°C to 29°C
- Rainfall: 200 mm to 300 mm
- Sunshine Hours: Approximately 6 hours per day
- Humidity: 80%
- Wind Speed: 10 km/h to 20 km/h
What to Expect in May
Daytime Conditions
During the day, temperatures average between 24°C and 29°C, offering warm but not excessively hot weather. The sun makes intermittent appearances, often filtered through clouds, making sunscreen a necessity despite the occasional obscured sunlight. Humidity is relatively high, lending a tropical feel to the air.
Rainfall Patterns
Rain in May can be quite variable, ranging from brief, light showers to more prolonged, heavier bursts, primarily in the late afternoons or evenings. These rains rejuvenate the landscape and create ideal conditions for lush greenery and flourishing flora. While rain can disrupt outdoor plans, it typically enhances the rich natural experience of Costa Rica.
Evening Conditions
Evenings offer a cooler respite, with temperatures dropping slightly. Breezy conditions contribute to a comfortable climate for evening activities, and although humidity remains relatively high, it is generally not overbearing. The nights can be quite enjoyable for strolling or dining al fresco.
Best Activities in Costa Rica in May
- Outdoor Activities: Hiking through national parks, wildlife spotting in reserves, and exploring local markets are perfect under May’s warm, albeit variable weather.
- Seasonal Highlights: Witness the blossoming of flowers, thanks to the onset of the rainy season, which enhances the scenic beauty and attracts a plethora of bird species.
- Water-based or Nature-based Activities: Take advantage of river rafting opportunities that benefit from increased water levels, or visit nature trails teeming with freshness and life.
What to Pack for May
- Lightweight clothing suitable for warm daytime temperatures, alongside layers for cooler evenings
- Protection against sun and rain, including a hat, sunscreen, and a compact umbrella
- Adaptable footwear suitable for diverse terrain, from urban exploration to trekking trails
- A reusable water bottle to stay hydrated throughout your adventures
