Decatur Island, Washington, United States of America: What to pack, what to wear, and when to go [2018]

Traveling to Decatur Island, Washington, United States of America? If you're planning to go to Decatur Island, here is some important information about when to go, what to wear, and what to pack:

When to go to Decatur Island, Washington, United States of America

Based on the climate and weather in Decatur Island, the best time to go is August. See below for details.

What to wear/what to pack for Decatur Island, Washington, United States of America by month

January

January in Decatur Island can be very chilly and very rainy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the 40s F (single digits C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

  • Waterproof footwear
  • Socks
  • Umbrella
  • Fleeces
  • Waterproof luggage
  • Warm pants or jeans
  • Jacket or coat
  • Standard footwear
  • Rain coat
  • Light gloves or mittens

February

Traveling to Decatur Island in February, you will notice that it is pretty cool and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

  • Waterproof luggage
  • Waterproof footwear
  • Socks
  • Standard footwear
  • Fleeces
  • Light gloves or mittens
  • Jacket or coat
  • Umbrella
  • Rain coat
  • Warm pants or jeans

March

Traveling to Decatur Island in March, you will notice that it is cold and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the low 50s F (low 10s C).

What to wear/what to pack:

  • Light gloves or mittens
  • Warm pants or jeans
  • Standard footwear
  • Waterproof footwear
  • Jacket or coat
  • Socks
  • Waterproof luggage
  • Umbrella
  • Rain coat
  • Fleeces

April

April in this region is crisp and somewhat rainy. Temperatures average in the 50s F (low 10s C) during the day. It rains about half of the time.

What to wear/what to pack:

  • Umbrella
  • Waterproof luggage
  • Light jacket or fleece
  • Socks
  • Pants or jeans
  • Dresses
  • Long skirts
  • Long sleeve shirts or blouses
  • Standard footwear
  • Waterproof footwear
  • Rain coat

May

May in Decatur Island can be chilly and somewhat rainy. Temperatures average in the low 60s F (high 10s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

  • Socks
  • Waterproof luggage
  • Standard footwear
  • Pants or jeans
  • Umbrella
  • Light jacket or fleece
  • Long skirts
  • Rain coat
  • Waterproof footwear
  • Dresses
  • Long sleeve shirts or blouses

June

June in Decatur Island is crisp and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C).

It tends to rain a bit less than half of the time. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

  • Pants or jeans
  • Waterproof footwear
  • Long sleeve shirts or blouses
  • Waterproof luggage
  • Rain coat
  • Long skirts
  • Umbrella
  • Dresses
  • Light jacket or fleece
  • Standard footwear
  • Socks

July

If you visit Decatur Island during July, you are likely to find that it is mild. Temperatures tend to hover around the high 60s F (low 10s C) during the day, while at night they can dip into the low 50s F (low 10s C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain occasionally.

What to wear/what to pack:

  • Long sleeve shirts or blouses
  • Waterproof footwear
  • Light jacket or fleece
  • Standard footwear
  • Socks
  • Rain coat
  • Umbrella
  • Long skirts
  • Waterproof luggage
  • Dresses
  • Pants or jeans

August

August for Decatur Island is mild and dry with little rain. Temperatures average in the high 60s F (low 10s C) during the day. It rains occasionally.

What to wear/what to pack:

  • Waterproof luggage
  • Waterproof footwear
  • Long sleeve shirts or blouses
  • Standard footwear
  • Dresses
  • Umbrella
  • Light jacket or fleece
  • Socks
  • Long skirts
  • Rain coat
  • Pants or jeans

September

September in Decatur Island is balmy. The average overnight temperatures in the area are in the high 40s F (single digits C).

It tends to rain about a third of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 60% range on average.

What to wear/what to pack:

  • Dresses
  • Long sleeve shirts or blouses
  • Socks
  • Standard footwear
  • Pants or jeans
  • Rain coat
  • Light jacket or fleece
  • Long skirts
  • Umbrella
  • Waterproof luggage
  • Waterproof footwear

October

October in Decatur Island can be chilly and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 50s F (mid 10s C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

  • Rain coat
  • Long sleeve shirts or blouses
  • Long skirts
  • Pants or jeans
  • Waterproof luggage
  • Standard footwear
  • Light jacket or fleece
  • Waterproof footwear
  • Dresses
  • Socks
  • Umbrella

November

November in Decatur Island can be very chilly and very rainy. The average overnight temperatures in the area are in the low 40s F (single digits C).

It tends to rain about two thirds of the time. But the colder weather doesn't bring low humidity, which is in the 70% to 80% range on average.

What to wear/what to pack:

  • Socks
  • Dresses
  • Umbrella
  • Waterproof footwear
  • Waterproof luggage
  • Standard footwear
  • Rain coat
  • Light jacket or fleece
  • Long skirts
  • Long sleeve shirts or blouses
  • Pants or jeans

December

In December, Decatur Island is brisk and very rainy. Temperatures routinely are in the high 40s F (single digits C) and sometimes jump into the low 50s F (single digits C) range. At night, lows are in the high 30s F (single digits C).

During your visit, you can expect a couple of inches of snowfall. This is also a rainy time for Decatur Island, with more than half of the days of the month having rain. In December, humidity reaches as high as 80%.

What to wear/what to pack:

  • Fleeces
  • Waterproof footwear
  • Jacket or coat
  • Rain coat
  • Warm pants or jeans
  • Socks
  • Umbrella
  • Standard footwear
  • Light gloves or mittens
  • Waterproof luggage

Year-round what to wear/what to pack for Decatur Island, Washington, United States of America

Here are some general tips on what to wear in Decatur Island, 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 Decatur Island

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