St. Helena, California, United States of America: What to pack, what to wear, and when to go [2018]

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

When to go to St. Helena, California, United States of America

Based on the climate and weather in St. Helena, the best time to go is July. See below for details.

What to wear/what to pack for St. Helena, California, United States of America by month

January

January in St. Helena is chilly. The average overnight temperatures in the area are in the 30s F (single digits C).

What to wear/what to pack:

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

February

If you are traveling to St. Helena in February, you will notice that it is chilly. Expect it to rain 5-10 days this month. Daytime temperatures are in the low 60s F (mid 10s C).

What to wear/what to pack:

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

March

March in this region is balmy. Temperatures average in the 60s F (high 10s C) during the day. It snows ().

What to wear/what to pack:

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

April

April in St. Helena is mild. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 70s F (low 20s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

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

May

May in St. Helena is a perfect temperature and dry with little rain. The average overnight temperatures in the area are in the high 40s F (single digits C).

What to wear/what to pack:

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

June

June is hot and very dry with almost no rain. Temperatures average in the 80s F (high 20s C) during the day.

What to wear/what to pack:

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

July

If you visit St. Helena during July, you are likely to find that it is extremely hot and very dry with almost no rain.

Temperatures tend to hover around the low 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:

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

August

If you visit St. Helena during August, you are likely to find that it is constantly hot and very dry with almost no 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:

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

September

If you are traveling to St. Helena in September, you will notice that it can be very hot and very dry with almost no rain. Daytime temperatures are in the 80s F (low 20s C).

What to wear/what to pack:

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

October

If you go to St. Helena in October, you will notice that it is a perfect temperature. Expect it to rain once in a while. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

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

November

November in St. Helena is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

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

December

December in St. Helena is relatively cool.

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 low 30s F (single digits C).

What to wear/what to pack:

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

Year-round what to wear/what to pack for St. Helena, California, United States of America

Here are some general tips on what to wear in St. Helena, 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 St. Helena
  • Appropriate museum wear

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