Sunnyside, Washington, United States of America: What to pack, what to wear, and when to go [2022]

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Traveling to Sunnyside, Washington, United States of America? If you're planning to go to Sunnyside, below is some important information about when to go, what to wear, and what to pack.

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About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.


When to go to Sunnyside, Washington, United States of America

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

Important essentials for Sunnyside, Washington, United States of America

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

COVID-19 ESSENTIALS FOR 2022


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • A vaccine card protector

    Vaccine cards can wear away. An unreadable vaccination card may result in severe consequences. This vaccine card protector helps avoid that.


  • N95 masks to use in crowded airports

    These N95 masks provide the best level of protection possible.


  • Kids' KN95 masks

    N95 masks don't exist for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).


  • Travel insurance

    If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans


  • Hand sanitizer

    This hand sanitizer is a good plane-friendly product.

General health necessities

Don't forget these

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

Already know when you're traveling?

January

January in Sunnyside can be brisk and snowy. Temperatures average in the high 30s F (single digits C) during the day.

What to wear/what to pack:

February

February in Sunnyside can be very chilly. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C).

What to wear/what to pack:

March

If you vacation in Sunnyside during March, you might see that it can be chilly. Temperatures tend to hover around the high 50s F (mid 10s C) during the day, while at night they can dip into the low 30s F (single digits below 0 C).

What to wear/what to pack:

April

April is mild and dry with little rain. Temperatures average in the high 60s F (low 10s C) during the day.

What to wear/what to pack:

May

Traveling to Sunnyside in May, you will notice that it is warm and dry with little rain. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

June

If you vacation in Sunnyside during June, you might notice that it is pretty consistently hot and dry with little rain. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the low 50s F (low 10s C).

What to wear/what to pack:

July

If you go to Sunnyside in July, you will notice that it can be very hot and dry with little rain. Daytime temperatures are in the low 90s F (low 30s C).

What to wear/what to pack:

August

If you visit Sunnyside during August, you may find that it is consistently hot and dry with little rain. Temperatures tend to hover around the high 80s F (low 30s C) during the day, while at night they can dip into the low 50s F (low 10s C).

What to wear/what to pack:

September

September here is a perfect temperature and dry with little rain. Temperatures average in the low 70s F (mid 20s C) during the day.

What to wear/what to pack:

October

October in Sunnyside is mild. The average overnight temperatures in the area are in the high 30s F (single digits C).

What to wear/what to pack:

November

If you vacation in Sunnyside during November, you will probably find that it is brisk. Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the low 30s F (single digits below 0 C).

What to wear/what to pack:

December

Traveling to Sunnyside in December, you will notice that it is brisk. Expect it to snow once in a while. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

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