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.



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)


“Feels-Like” Temperatures

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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 78.6 62.9 47
Feb 82.2 65.8 48.5
Mar 89.2 72.8 54.6
Apr 93.2 77 58.9
May 99.4 83.3 65.1
Jun 106.9 92 76.3
Jul 104.7 92.1 80.9
Aug 103.6 91.3 80.4
Sep 101.3 88.7 77.5
Oct 95.6 80.9 65.6
Nov 86.9 72.1 55.7
Dec 77.1 62.6 47.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 25.9 17.2 8.3
Feb 27.9 18.8 9.2
Mar 31.8 22.7 12.6
Apr 34 25 14.9
May 37.4 28.5 18.4
Jun 41.6 33.3 24.6
Jul 40.4 33.4 27.2
Aug 39.8 32.9 26.9
Sep 38.5 31.5 25.3
Oct 35.3 27.2 18.7
Nov 30.5 22.3 13.2
Dec 25.1 17 8.4



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.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Hermosillo (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0.2
Feb 1% 0 0.1
Mar 0% 0 0.1
Apr 0% 0 0
May 0% 0 0
Jun 1% 0 0.1
Jul 11% 0 2.3
Aug 10% 0 2.7
Sep 10% 0 2.2
Oct 2% 0 0.2
Nov 2% 0 0.3
Dec 1% 0 0.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0.5
Feb 1 0 0.3
Mar 0 0 0.3
Apr 0 0 0
May 0 0 0
Jun 1 0 0.3
Jul 11 0 5.8
Aug 10 0 6.9
Sep 10 0 5.6
Oct 2 0 0.5
Nov 2 0 0.8
Dec 1 0 0.8


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.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

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
Jan 29.3%
Feb 26.1%
Mar 17.2%
Apr 15.7%
May 14.4%
Jun 21%
Jul 37.7%
Aug 43.8%
Sep 44.5%
Oct 31%
Nov 29.1%
Dec 33.9%


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 Dec 04, 2023 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 Dec 04, 2023.


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

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 53.1 in May means 53.1% of the tourists vs. March.



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.


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