Updated July 2026
A practical, locally-informed packing guide for Costa Rica's Green Season, separating beach, rainforest, and transfer-day essentials for Guanacaste and Arenal.
- Costa Rica's Green Season runs roughly May through November, with rain usually coming in short afternoon bursts rather than all-day downpours
- Guanacaste's coast is hot, humid, and beachy, while La Fortuna and Arenal are greener, cooler in the evenings, and wetter
- Beach essentials include two or more swimsuits, reef-safe sunscreen, a wide-brim hat, water shoes or sandals with grip, and a dry bag
- Rainforest essentials include a packable rain jacket or poncho, quick-dry hiking pants, closed-toe shoes with tread, and dry socks
- The drive between Guanacaste and Arenal takes several hours, so keep a daypack with water, snacks, a phone charger, and a rain jacket accessible
Recommended For Your Trip
Waterfall & Las Pumas Wildlife Rescue Center
Private half-day at Llanos del Cortes waterfall and Las Pumas Wildlife Rescue Center — swim under the falls, then meet pumas, jaguars, ocelots, monkeys and macaws. Lunch included. Certified bilingual guide.
Congo Trail Half-Day Adventure
Six zip lines, hanging bridges, 45 minutes on ATV and horseback riding through Guanacaste dry forest. Half-day private adventure at Congo Trail with certified bilingual guide.
Monteverde Treetop Walk
Private full-day Monteverde Cloud Forest treetop walk — suspension bridges at canopy level with zip line (Classic option) or reptiles exhibition, butterfly garden and sloth sanctuary (Plus option). Breakfast and lunch included.
Green Season, in Plain Terms
Costa Rica's Green Season runs roughly May through November, and it's honestly one of our favorite times to host visitors. The landscapes turn brilliant green, crowds thin out, and rain usually comes in short afternoon bursts rather than all-day downpours. Mornings are frequently sunny and warm.
The trick to packing is understanding you're really visiting two different climates. Guanacaste's coast, including the Papagayo area, is hot, humid, and beachy. La Fortuna and Arenal sit inland at higher elevation near the rainforest and volcano, so it's greener, cooler in the evenings, and simply wetter. Pack for both and you'll be comfortable everywhere.
A good rule of thumb: lightweight, quick-drying clothing, rain protection you can grab fast, and footwear for both sand and slippery trails.
Pack your rain jacket and a dry pair of socks in your daypack, not your checked luggage, so they're ready the moment an Arenal afternoon shower rolls in.
Three Packing Zones: Beach, Rainforest, Transfer Day
Beach essentials (Guanacaste & Papagayo):
- Two or more swimsuits so one can dry
- Reef-safe sunscreen and a wide-brim hat
- Lightweight cover-up and breathable shirts
- Water shoes or sandals with grip
- Refillable water bottle and a dry bag for phones on boat tours
Rainforest essentials (La Fortuna & Arenal):
- A packable rain jacket or poncho (better than an umbrella on trails)
- Quick-dry hiking pants and closed-toe shoes with tread
- A light layer for cool evenings at elevation
- Insect repellent and a small microfiber towel
- A change of dry socks, seriously
Transfer-day essentials: The drive between Guanacaste and Arenal takes several hours through changing scenery, so keep a small daypack accessible with water, snacks, motion-sickness remedy if you're prone, a phone charger, and that rain jacket. On our private transfers there's room to stop for photos and restrooms, so keep your camera and a light layer within reach rather than buried in a suitcase.
A Local's Bottom Line
Don't overpack. Guanacaste is hot enough that you'll live in a few breathable outfits, and Arenal rewards practical, quick-drying gear over anything fancy. The single most useful items are a packable rain layer, footwear with real grip, and a dry bag.
Because rain timing shifts day to day in Green Season, we build flexibility into our private tours and transfers so plans can flex with the weather instead of against it. If you tell us in advance whether you're leaning toward beach days, volcano hikes, or both, we can suggest what's worth packing for your specific route.
Frequently Asked Questions
Does it rain all day during Green Season?
No. Green Season rain usually falls in the afternoon and often as short, heavy bursts. Mornings are frequently sunny, especially in Guanacaste, so plan outdoor activities early and keep a rain layer handy.
Do I need hiking boots or just sandals?
Bring both. Sandals or water shoes are ideal for the beach in Guanacaste, while closed-toe shoes with good tread are essential for muddy, slippery rainforest trails around Arenal.
Should I bring warm clothes for Arenal?
Yes. Evenings around Arenal are noticeably cooler than the coast because of the elevation, so a light long-sleeve layer or thin fleece is worth packing even in summer months.
Is an umbrella or rain jacket better?
A packable rain jacket or poncho is better on trails and boats where wind and both hands matter. An umbrella can work in town but is impractical during hikes.
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