Osa Peninsula, Costa Rica: What to pack, what to wear, and when to go [2021]

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

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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.

Important esssentials 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.

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

January

January here is extremely hot and very rainy. Temperatures average in the low 80s F (low 30s C) during the day. It rains most days.

What to wear/what to pack:

February

In February, Osa Peninsula is extremely hot and very rainy. Temperatures routinely are in the low 90s 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:

March

If you visit Osa Peninsula during March, you are likely to find that it can be sizzling and very rainy. Temperatures tend to hover around the low 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:

April

April for Osa Peninsula is consistently 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:

May

May in this region is constantly 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:

June

Traveling to Osa Peninsula in June, you will notice that it is extremely hot 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:

July

July in Osa Peninsula can be very hot and very rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 70s F (high 20s C) to high 80s F (low 30s C).

What to wear/what to pack:

August

August in Osa Peninsula can be very 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:

September

September in Osa Peninsula can be sweltering 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:

October

October for Osa Peninsula 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:

November

If you go to Osa Peninsula in November, 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:

December

In December, Osa Peninsula can be sweltering 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:

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