Similan Islands, Thailand: What to pack, what to wear, and when to go [2018]

Traveling to Similan Islands, Thailand? If you're planning to go to Similan Islands, here is some important information about when to go, what to wear, and what to pack:

When to go to Similan Islands, Thailand

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

What to wear/what to pack for Similan Islands, Thailand by month

January

If you are traveling to Similan Islands in January, you will notice that it is constantly hot. Expect it to rain occasionally. Daytime temperatures are in the low 90s F (low 30s C).

What to wear/what to pack:

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

February

February for Similan Islands can be sizzling and dry with little rain. Temperatures average in the 90s F (mid 30s C) during the day. It rains once in a while.

What to wear/what to pack:

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

March

If you are traveling to Similan Islands in March, you will notice that it can be blisteringly hot. Expect it to rain regularly. Daytime temperatures are in the 90s F (mid 30s C).

What to wear/what to pack:

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

April

In April, Similan Islands is scorchingly hot and somewhat stormy. Temperatures routinely are in the 90s F (mid 30s C) range. At night, lows are in the 70s F (mid 20s C).

This is also a rainy time for Similan Islands, with several of the days of the month having rain. In April, humidity reaches as high as 70%.

What to wear/what to pack:

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

May

If you visit Similan Islands during May, you are likely to find that it is extremely hot and somewhat stormy. Temperatures tend to hover around the low 90s F (low 30s C) during the day, while at night they can dip into the 70s F (mid 20s C).

Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

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

June

Traveling to Similan Islands in June, you will notice that it is consistently hot. Expect it to rain about half of the time. Daytime temperatures are in the low 90s F (low 30s C).

What to wear/what to pack:

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

July

In July, Similan Islands can be very hot. Temperatures routinely are in the low 80s F (low 30s C) range. At night, lows are in the 70s F (mid 20s C).

This is also a rainy time for Similan Islands, with more than half of the days of the month having rain. In July, humidity reaches as high as 80%.

What to wear/what to pack:

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

August

August in Similan Islands is extremely hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 80s F (low 30s C), although night temperatures can dip into the 70s F (mid 20s C).

What to wear/what to pack:

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

September

If you vacation in Similan Islands during September, you are likely to find that it is constantly hot. Temperatures tend to hover around the high 80s F (low 30s C) during the day, while at night they can dip into the 70s F (mid 20s C).

Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain about two thirds of the time.

What to wear/what to pack:

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

October

October for Similan Islands is extremely hot. Temperatures average in the high 80s F (low 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
  • Waterproof luggage
  • Rain coat
  • Skirts
  • Sandals
  • Umbrella
  • Waterproof footwear
  • Shorts
  • Sunglasses
  • Dresses
  • Sunscreen lotion
  • Short sleeve shirts

November

In November, Similan Islands can be sweltering. 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 Similan Islands, with more than half of the days of the month having rain. In November, humidity reaches as high as 80%.

What to wear/what to pack:

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

December

December can be very hot. Temperatures average in the low 80s F (low 30s C) during the day. It rains about a third of the time.

What to wear/what to pack:

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

Year-round what to wear/what to pack for Similan Islands, Thailand

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

  • A plug adadpter that supports outlet types A, B, C and O
  • A SIM card that works in Similan Islands

Check out our guides for these other locations: Cuddalore, India, Decatur, Alabama, United States of America, Chiang Khong, Thailand, Gwandong Palgyeong, South Korea, Flaming Gorge National Recreation Area, Utah, United States of America, Orland, Maine, United States of America, Żywiec, Poland, Danbury, Connecticut, United States of America, Georgian Bay Islands National Park, Canada, Canvey Island, England, United Kingdom, and Norco, California, United States of America.