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Galapagos Calendar of Natural Events
January
- The rainy season begins
- Ideal time for snorkeling
- Land birds start to nest, usually after the first rains
- The temperature of the air and the water rises and it stays warm until June
- On Española Island: adult marine iguanas become nicely colored
- The green sea turtles arrive on beaches to lay eggs
- Land iguanas begin to breed on Isabela Island
February
- Nesting season for the Galapagos dove reaches its highest point
- On Floreana Island the greater flamingos start to nest
- Masked boobies on Hood are at the end of their nesting season
- The water reaches it highest temperature of 25C (77F). This temperature remains constant until April
- Several penguins are seen on Bartolome Island
- Marine iguanas nest on Santa Cruz Island
March
- Marine iguanas nest on Fernandina
- Wet landing can be a challenge at places like Puerto Egas, Gardner Bay and Bartolome
- The rainy season reaches its highest pointy (not necessarily means that rains all day)
- Snorkeling can be done for longer periods due to the water temperatures
- The air temperature can rise up to 30C (86F). Humidity is high
- Around mid-march is the beginning of summer time and marks the arrival of the waved albatross on Española
April
- Green sea turtles eggs begin to hatch
- Good visibility under water while snorkeling
- Massive arrival of the waved albatross on Española
- One of the best months in Galapagos due to its weather, water temperature and wildlife
- End of the breeding season of the giant tortoises
- Eggs of land-iguanas start to hatch on Isabela
- The rain season end, but the islands stay green
May
- One of the best months in Galapagos due to its weather, water temperature and wildlife
- Water begins to get colder by mid-may
- Waved albatrosses on Española start to lay their eggs
- North Seymour's blue-footed boobies start their breeding season
- Sea turtles are still breeding on Gardner Bay and Punta Cormorant
- The Palo Santo trees start to lose their leaves
June
- Southern migrants have started their journey to the North. Galapagos is a resting place for such birds. Some cetaceans follow the same patron
- Currents become stronger. The seas are wilder with bigger waves
- Beginning of the "garua" season (intermittent rains)
- Giant tortoises on Santa Cruz Island migrate from the highlands to the lowlands looking for the best places for their nests
- Many red pouches of great male frigate birds are seen on North Seymour
- Some groups of humpback whales that migrate to the equator along the coasts of Ecuador can reach Galapagos
- Clouds begin forming on the mayor Islands
July
- Water temperature does not pass 21c (68F)
- Seabirds are very active (breeding), especially the blue-footed boobies on Española
- "Cetaceans" (whales & dolphins) are seen more often, especially at the West coast of Isabela
- Cormorants show marvellous mating rituals on Fernandina
- Lava lizards start with their mating rituals until November
- Great month to see the four stages of the nesting of the Blue-footed boobies: eggs, chicks, juveniles and sub-adults
August
- Migrating coastal birds begin to arrive and stay on the island
- The "popping" season (birth) of the sea lions starts, especially on the Western and Central Islands
- Galapagos hawks mate on Española and Santiago (James)
- Giant tortoises return to the highlands of Santa Cruz after nesting
- Masked boobies and Swallow-tailed gulls nest on Genovesa Island
- The temperature of the ocean drops to 18C (64F)
- Oceans are quite unpredictable; currents are at their strongest level
September
- Most seabirds stay quite active on their nesting places
- The air temperature reaches its lowest points (19C-66F)
- Galapagos penguins show remarkable activity on Bartolome
- Swimmers on Bartolome can enjoy the penguins swimming around them
- The highest point of the cold season
- Sea lions are very active. Females have reached the estrus stage and because of this males are constantly barking and fighting
October
- Giant Tortoises are still laying eggs
- Blue-footed boobies raise their chicks on Española and Punta Vicente Roca (Isabela)
- Lava herons start to nest until March
- The Galapagos sea lions begin their mating period
- Sunrises can be very beautiful after the garua covers several locations of the Western volcanoes
- Days are not always sunny. Garua can be expected at most of the locations, except for the Western Islands where the days start foggy but after a couple of hours the sun takes over
- The summits are clear, but low hanging haze covers the coastal lines
November
- In general great weather because of the transition of one season to another. The birth of young sea lions is still happening
- Sea lions are sexually active on the Eastern part of the Archipelago
- "Band-rumped storm petrels" start their second nesting period
- Seas are calm. The temperature of the water rises slowly
- Good visibility under water for snorkeling
- The young sea lions (especially on Champion Islet) play aqua-aerobics next to the snorkelers
- Some types of jellyfish can be seen around the islands. The "genus Physalia" is generally seen floating around Gardner and Tortuga Islets
December
- The first waved albatrosses are raised
- The eggs of the giant tortoises start to hatch
- Great weather conditions
- The rainy season starts, all plants of the dry zone start to produce leaves
- Galapagos becomes greenish