Ontario, Oregon, United States of America: What to pack, what to wear, and when to go [2018]

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

When to go to Ontario, Oregon, United States of America

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

What to wear/what to pack for Ontario, Oregon, United States of America by month

January

If you are traveling to Ontario in January, you will notice that it is very cold. Daytime temperatures are in the 30s F (single digits C).

What to wear/what to pack:

  • Waterproof luggage
  • Multiple layer jacket shell
  • Scarf
  • Very heavy socks
  • Gloves
  • Thermal undergarments
  • Pajamas, such as sweats
  • Umbrella
  • Sweaters
  • Waterproof footwear
  • Fleeces
  • Rain coat
  • Insulated boots

February

February in this region is cold. Temperatures average in the low 40s F (single digits C) during the day.

What to wear/what to pack:

  • Warm pants or jeans
  • Gloves or mittens
  • Heavy socks
  • Sweaters
  • Cold weather footwear
  • Heavy jacket

March

Traveling to Ontario in March, you will notice that it can be very chilly. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

  • Standard footwear
  • Socks
  • Jacket or coat
  • Warm pants or jeans
  • Light gloves or mittens
  • Fleeces

April

If you vacation in Ontario during April, you are likely to find that it is balmy.

Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the 30s F (single digits C).

What to wear/what to pack:

  • Socks
  • Jacket or coat
  • Warm pants or jeans
  • Light gloves or mittens
  • Fleeces
  • Standard footwear

May

May in Ontario is warm and dry with little rain. The average overnight temperatures in the area are in the low 40s F (single digits C).

What to wear/what to pack:

  • Light footwear
  • Sandals
  • Waterproof luggage
  • Umbrella
  • Rain coat
  • Shorts or short pants
  • Skirts
  • Long and short sleeve shirts
  • Waterproof footwear
  • Dresses
  • Sunscreen lotion

June

June in Ontario is hot and very dry with almost no rain. The average overnight temperatures in the area are in the low 50s F (single digits C).

What to wear/what to pack:

  • Short sleeve shirts
  • Skirts
  • Sunscreen lotion
  • Dresses
  • Sandals
  • Shorts
  • Sunglasses

July

If you are traveling to Ontario in July, you will notice that it is scorchingly hot and very dry with almost no rain. Daytime temperatures are in the 90s F (mid 30s C).

What to wear/what to pack:

  • Light shorts
  • Sunglasses
  • Tank tops
  • Sandals
  • Skirts
  • Thin short sleeve shirts
  • High-SPF sunscreen lotion
  • Light dresses
  • Thin pants, such as light khakis

August

August in this region can be very hot and very dry with almost no rain. Temperatures average in the low 80s F (low 30s C) during the day.

What to wear/what to pack:

  • Skirts
  • Dresses
  • Short sleeve shirts
  • Shorts
  • Sunscreen lotion
  • Sunglasses
  • Sandals

September

September in Ontario is pretty consistently hot and very dry with almost no rain. The average overnight temperatures in the area are in the low 40s F (single digits C).

What to wear/what to pack:

  • Skirts
  • Shorts or short pants
  • Dresses
  • Sunscreen lotion
  • Long and short sleeve shirts
  • Light footwear
  • Sandals

October

If you visit Ontario during October, you are likely to find that it is mild.

Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the 30s F (single digits C).

What to wear/what to pack:

  • Fleeces
  • Jacket or coat
  • Standard footwear
  • Socks
  • Warm pants or jeans
  • Light gloves or mittens

November

November here is pretty cool. Temperatures average in the high 40s F (single digits C) during the day.

What to wear/what to pack:

  • Heavy jacket
  • Gloves or mittens
  • Heavy socks
  • Warm pants or jeans
  • Sweaters
  • Cold weather footwear

December

December in this region is cold. Temperatures average in the high 30s F (single digits C) during the day.

What to wear/what to pack:

  • Umbrella
  • Heavy jacket
  • Heavy socks
  • Rain coat
  • Cold weather footwear
  • Waterproof footwear
  • Warm pants or jeans
  • Sweaters
  • Waterproof luggage
  • Gloves or mittens

Year-round what to wear/what to pack for Ontario, Oregon, United States of America

Here are some general tips on what to wear in Ontario, 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 Ontario
  • Appropriate museum wear

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