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

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

When to go to Osa Peninsula, Costa Rica

Based on the climate and weather in Osa Peninsula, the best time to go is February. See below for details.

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

January

If you vacation in Osa Peninsula during January, you are likely to find that it is consistently hot and very rainy. Temperatures tend to hover around the low 80s 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 most days.

What to wear/what to pack:

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

February

February in this region can be very hot and very rainy. Temperatures average in the low 90s F (low 30s C) during the day. It rains most days.

What to wear/what to pack:

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

March

In March, Osa Peninsula is blindingly hot and very rainy. Temperatures routinely are in the low 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 Osa Peninsula, with more than half of the days of the month having rain.

What to wear/what to pack:

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

April

April in this region is really hot and very rainy. Temperatures average in the low 90s F (low 30s C) during the day. It rains most days.

What to wear/what to pack:

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

May

In May, Osa Peninsula is really hot and very rainy. Temperatures routinely are in the high 80s F (low 30s C) range.

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

What to wear/what to pack:

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

June

June in Osa Peninsula is really 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:

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

July

If you are traveling to Osa Peninsula in July, you will notice that it can be sweltering and very rainy. Expect it to rain most days. Daytime temperatures are in the high 80s F (low 30s C).

What to wear/what to pack:

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

August

August in this region can be sweltering and very rainy. Temperatures average in the high 80s F (low 30s C) during the day. It rains most days.

What to wear/what to pack:

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

September

September in Osa Peninsula is extremely 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:

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

October

If you vacation in Osa Peninsula during October, you are likely to find that it is really hot and very rainy. Temperatures tend to hover around the high 80s F (low 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:

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

November

In November, Osa Peninsula is really hot and very rainy. Temperatures routinely are in the high 80s F (low 30s C) range.

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

What to wear/what to pack:

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

December

December in this region is consistently hot and very rainy. Temperatures average in the high 80s F (low 30s C) during the day. It rains most days.

What to wear/what to pack:

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

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

Here are some general tips on what to wear in Osa Peninsula, 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 Osa Peninsula

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