Guanacaste, Costa Rica: What to pack, what to wear, and when to go [2018]

Traveling to Guanacaste, Costa Rica? If you're planning to go to Guanacaste, here is some important information about when to go, what to wear, and what to pack:

When to go to Guanacaste, Costa Rica

Based on the climate and weather in Guanacaste, the best time to go is December. See below for details.

What to wear/what to pack for Guanacaste, Costa Rica by month

January

January here can be blisteringly hot and very rainy. Temperatures average in the low 90s F (low 30s C) during the day. It rains about two thirds of the time.

What to wear/what to pack:

  • Light shorts
  • If you're going to the beach, bathing suits, swimwear
  • Waterproof luggage
  • Sunglasses
  • Tank tops
  • Thin pants, such as light khakis
  • Umbrella
  • Skirts
  • Light dresses
  • High-SPF sunscreen lotion
  • Rain coat
  • Thin short sleeve shirts
  • Sandals
  • Waterproof footwear

February

If you visit Guanacaste during February, you are likely to find that it is unbearably hot and very rainy. Temperatures tend to hover around the 90s F (mid 30s C) during the day, while at night they can dip into the low 60s F (low 20s C).

In terms of precipitation, you can expect it to rain most days.

What to wear/what to pack:

  • High-SPF sunscreen lotion
  • Waterproof luggage
  • Tank tops
  • Light shorts
  • Sunglasses
  • Skirts
  • Waterproof footwear
  • Umbrella
  • If you're going to the beach, bathing suits, swimwear
  • Sandals
  • Thin short sleeve shirts
  • Light dresses
  • Thin pants, such as light khakis
  • Rain coat

March

In March, Guanacaste is sizzling and very rainy. Temperatures routinely are in the 90s F (mid 30s C) range.

At night, lows are in the low 70s F (low 20s C). This is also a rainy time for Guanacaste, with more than half of the days of the month having rain.

What to wear/what to pack:

  • Waterproof luggage
  • Thin pants, such as light khakis
  • Rain coat
  • Waterproof footwear
  • Tank tops
  • Light shorts
  • Umbrella
  • Skirts
  • Light dresses
  • Sandals
  • Thin short sleeve shirts
  • If you're going to the beach, bathing suits, swimwear
  • High-SPF sunscreen lotion
  • Sunglasses

April

If you vacation in Guanacaste during April, you are likely to find that it is sweltering and extremely rainy. Temperatures tend to hover around the high 90s F (mid 30s C) during the day, while at night they can dip into the low 70s F (low 20s C).

In terms of precipitation, you can expect it to rain most days.

What to wear/what to pack:

  • Umbrella
  • Rain coat
  • Sandals
  • Skirts
  • Sunglasses
  • Waterproof footwear
  • High-SPF sunscreen lotion
  • Light shorts
  • Thin short sleeve shirts
  • Tank tops
  • If you're going to the beach, bathing suits, swimwear
  • Light dresses
  • Thin pants, such as light khakis
  • Waterproof luggage

May

May in this region is a scorcher and extremely rainy. Temperatures average in the low 90s F (mid 30s C) during the day. It rains most days.

What to wear/what to pack:

  • If you're going to the beach, bathing suits, swimwear
  • Skirts
  • Tank tops
  • Light shorts
  • Umbrella
  • Thin short sleeve shirts
  • Sandals
  • Thin pants, such as light khakis
  • Waterproof luggage
  • High-SPF sunscreen lotion
  • Light dresses
  • Sunglasses
  • Rain coat
  • Waterproof footwear

June

In June, Guanacaste is constantly hot and extremely rainy. Temperatures routinely are in the low 80s F (low 30s C) range.

At night, lows are in the 70s F (low 20s C). This is also a rainy time for Guanacaste, with most of the days of the month having rain.

What to wear/what to pack:

  • Umbrella
  • Short sleeve shirts
  • Sunglasses
  • Waterproof footwear
  • Waterproof luggage
  • Dresses
  • Skirts
  • Sandals
  • If you're going to the beach, bathing suits, swimwear
  • Shorts
  • Rain coat
  • Sunscreen lotion

July

July in Guanacaste can be sweltering and extremely rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (low 30s C).

What to wear/what to pack:

  • Umbrella
  • If you're going to the beach, bathing suits, swimwear
  • Shorts
  • Dresses
  • Sandals
  • Sunscreen lotion
  • Waterproof footwear
  • Skirts
  • Waterproof luggage
  • Sunglasses
  • Rain coat
  • Short sleeve shirts

August

August in Guanacaste is consistently hot and extremely rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C) to low 80s F (low 30s C).

What to wear/what to pack:

  • Rain coat
  • If you're going to the beach, bathing suits, swimwear
  • Dresses
  • Skirts
  • Waterproof luggage
  • Umbrella
  • Sandals
  • Sunglasses
  • Short sleeve shirts
  • Waterproof footwear
  • Shorts
  • Sunscreen lotion

September

September in Guanacaste is really hot and very rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C) to high 80s F (low 30s C).

What to wear/what to pack:

  • Rain coat
  • If you're going to the beach, bathing suits, swimwear
  • Dresses
  • Waterproof luggage
  • Sunscreen lotion
  • Waterproof footwear
  • Short sleeve shirts
  • Sandals
  • Sunglasses
  • Umbrella
  • Shorts
  • Skirts

October

October in Guanacaste is extremely hot and very rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 80s F (low 30s C).

What to wear/what to pack:

  • If you're going to the beach, bathing suits, swimwear
  • Rain coat
  • Umbrella
  • Skirts
  • Sunscreen lotion
  • Short sleeve shirts
  • Sandals
  • Dresses
  • Waterproof luggage
  • Shorts
  • Waterproof footwear
  • Sunglasses

November

November in Guanacaste is consistently hot and very rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 80s F (low 30s C).

What to wear/what to pack:

  • Waterproof luggage
  • Dresses
  • Sunglasses
  • Short sleeve shirts
  • If you're going to the beach, bathing suits, swimwear
  • Sunscreen lotion
  • Umbrella
  • Waterproof footwear
  • Rain coat
  • Sandals
  • Skirts
  • Shorts

December

If you vacation in Guanacaste during December, you are likely to find that it can be very hot and very rainy. Temperatures tend to hover around the low 90s F (low 30s C) during the day, while at night they can dip into the low 60s F (low 20s C).

In terms of precipitation, you can expect it to rain about two thirds of the time.

What to wear/what to pack:

  • Sunglasses
  • Umbrella
  • Waterproof footwear
  • Short sleeve shirts
  • If you're going to the beach, bathing suits, swimwear
  • Sandals
  • Sunscreen lotion
  • Waterproof luggage
  • Skirts
  • Dresses
  • Rain coat
  • Shorts

Year-round what to wear/what to pack for Guanacaste, Costa Rica

Here are some general tips on what to wear in Guanacaste, as well as several items to remember to pack when traveling there.

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in Guanacaste

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