The best times to visit Sierra Vista for ideal weather are
March 5th to June 3rd
September 10th to November 11th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Sierra Vista Travel Guide
Other Sierra Vista Travel Info
Weather in Sierra Vista
Average temperatures in Sierra Vista vary drastically. Considering humidity, temperatures feel very nice much of the year, but hot in the summer and cold in the winter with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 47th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Sierra Vista, the hottest months are June, July, and then August. See average monthly temperatures below. The warmest time of year is generally mid June where highs are regularly around 96.2°F (35.7°C) with temperatures rarely dropping below 69.3°F (20.7°C) at night.
Sierra Vista Temperatures (Fahrenheit)
Sierra Vista Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Sierra Vista Perceived Temperature (F)
Sierra Vista Perceived Temperature (C)
Average Sierra Vista Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sierra Vista are May, June, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid March. For example, on the week of March 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early August with an average of 2 days of significant precipitation the week of July 30th.
When can you find snow in Sierra Vista? Weather stations report a bit of annual snow likely to be deepest around February, especially close to early to mid February. The best time to ski (if at all) in Sierra Vista is often around around February 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Sierra Vista.
Snow on the Ground
The graph below shows the average snow on the ground in Sierra Vista (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Sierra Vista has some comfortably humid months, with some very dry months. The least humid month is May (11.2% relative humidity), and the most humid month is August (44%).
Wind in Sierra Vista is usually calm. The windiest month is April, followed by May and June. April’s average wind speed of around 8.9 knots (10.2 MPH or 16.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 19.3 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Sierra Vista.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||5.5||Light breeze||13.1||Significant breeze|
|Feb||7.3||Gentle breeze||16.4||Significant breeze|
|Mar||8||Gentle breeze||16.9||Significant breeze|
|Apr||8.9||Gentle breeze||18.6||Strong breeze|
|May||8.6||Gentle breeze||17.9||Significant breeze|
|Jun||8.3||Gentle breeze||17.8||Strong breeze|
|Jul||6.5||Light breeze||17.5||Significant breeze|
|Aug||5.6||Light breeze||15.1||Significant breeze|
|Sep||5.6||Light breeze||13.5||Significant breeze|
|Oct||6.3||Light breeze||13.4||Significant breeze|
|Nov||6.1||Light breeze||13.5||Significant breeze|
|Dec||6.2||Light breeze||14.1||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Sierra Vista?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Sierra Vista, AZ, US is March, followed by January and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Sierra Vista in May. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Sierra Vista Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 91.4°F (33°C) and 67.4°F (19.7°C) with warmer temperatures in the later months. Rain is rare with roughly 1 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 1 to 8 days of precipitation per month. June – August is fairly slow season for tourism in Sierra Vista, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 86.1°F (30.1°C) and 65.4°F (18.6°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 5 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is too cold this time of year in Sierra Vista to be enjoyable for warm weather travelers. The average high during this season is between 67.4°F (19.7°C) and 57.2°F (14°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are the busiest with tourists.