The best times to visit Hermosillo for ideal weather are
November 12th to April 15th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Hermosillo Travel Guide
Other Hermosillo Travel Info
Weather in Hermosillo
Average temperatures in Hermosillo vary greatly. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a very low chance of precipitation throughout the year. The area is somewhat temperate — in the 52nd 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 Hermosillo, the hottest months are July, June, and then August. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 108.3°F (42.4°C) with temperatures rarely dropping below 81.5°F (27.5°C) at night.
Hermosillo Temperatures (Fahrenheit)
Hermosillo 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.
Hermosillo Perceived Temperature (F)
Hermosillo Perceived Temperature (C)
Average Hermosillo 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 Hermosillo are April, May, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid to late September with an average of 1 days of significant precipitation the week of September 17th.
When can you find snow in Hermosillo? Weather stations report no annual snow. 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 Hermosillo.
Snow on the Ground
The graph below shows the average snow on the ground in Hermosillo (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
Hermosillo has some comfortably humid months, with some very dry months. The least humid month is May (14.4% relative humidity), and the most humid month is September (44.5%).
Wind in Hermosillo is usually extremely calm. The windiest month is June, followed by May and July. June’s average wind speed of around 5.3 knots (6.1 MPH or 9.8 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early July where average top sustained speeds reach 16.1 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Hermosillo.
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||2.3||Barely noticeable||8.3||Gentle breeze|
|Feb||2.9||Barely noticeable||10.1||Gentle breeze|
|Mar||3.8||Barely noticeable||12.2||Gentle breeze|
|Apr||4.5||Light breeze||13.6||Significant breeze|
|May||4.9||Light breeze||14.5||Gentle breeze|
|Jun||5.3||Light breeze||14.6||Significant breeze|
|Jul||4.9||Light breeze||14.2||Gentle breeze|
|Aug||3.8||Barely noticeable||13.2||Significant breeze|
|Sep||3.3||Barely noticeable||11.8||Gentle breeze|
|Oct||2.7||Barely noticeable||9.4||Gentle breeze|
|Nov||2.7||Barely noticeable||9.4||Gentle breeze|
|Dec||2.2||Barely noticeable||8.2||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Hermosillo?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for Mexico; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 01, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Hermosillo, Mexico 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 Hermosillo 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 Hermosillo Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 105.2°F (40.7°C) and 85.9°F (29.9°C) with warmer temperatures in the later months. Rain is nonexistent with roughly 0 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 hot weather with high temperatures that are extremely hot. These months see the most precipitation with 0 to 3 days of precipitation per month. June – August is fairly slow season for tourism in Hermosillo, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 101.5°F (38.6°C) and 82.1°F (27.8°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 3 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 somewhat cool this time of year in Hermosillo to be enjoyable for warm weather travelers. The average high during this season is between 85.9°F (29.9°C) and 74.2°F (23.4°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the busiest with tourists.