Map of Hermosillo in Mexico

Hermosillo Climate

Hermosillo is a city within Mexico (but not the capital city).

Best time to visit Hermosillo

The best time to visit Hermosillo will be when the average temperatures are at a comfortable level (between 20°C / 68.0°F and 30°C / 86.0°F on average) which is during months March, April, May, October and November. However, there are other good times to visit Hermosillo, but it will be little hotter (for Hermosillo this is between 30°C / 86.0°F and 40°C / 104.0°F on average). These are during months June, July, August and September. You might also consider visiting Hermosillo during January, February and December when the average temperatures are a little cooler.


The hottest time of year in Hermosillo is in July when it is 32.3°C / 90.1°F on average. However, going by the maximum temperatures, the hottest month is June at 39.5°C / 103.1°F. On the other hand, the coldest time of year in Hermosillo is in January when it is 16.55°C / 61.8°F on average, but could get down to 9.4°C / 61.8°F minimum.

  • Freezing months: 0 (0°C / 32.0°F and below)
  • Cold months: 0 (0°C / 32.0°F to 10°C / 50.0°F)
  • Cool months: 3 (10°C / 50.0°F to 20°C / 68.0°F)
  • Warm months: 5 (20°C / 68.0°F to 30°C / 86.0°F)
  • Hot months: 4 (30°C / 86.0°F to 40°C / 104.0°F)
  • Boiling months: 0 (40°C / 104.0°F and above)

Hermosillo Climate Chart

Below are the climate charts for Hermosillo which resides in Mexico.

Temperature tables

The first table is for the average temperatures across the year in degrees Celsius. The cells that are BLUE show the coldest months and the cells that are PINK show the hottest months.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Average Temperature in °C16.5518.1520.223.426.931.532.331.630.6526.4520.516.75
Max Temperature in °C23.725.72831.835.339.53937.837.233.62823.8
Min Temperature in °C9.410.612.41518.523.525.625.424.119.3139.7

This second table is for the average temperatures across the year in degrees Fahrenheit. Cells in BLUE are the coldest months and cells in PINK are the hottest months.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Average Temperature in °F61.864.768.474.180.488.790.188.987.279.668.962.2
Max Temperature in °F74.778.382.489.295.5103.1102.2100.099.092.582.474.8
Min Temperature in °F48.951.154.359.065.374.378.177.775.466.755.449.5

Rainfall figures

This table is for the amount of rainfall (both in millimetres and inches) and number of rainy days in Hermosillo throughout the year.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Total rainfall in MM18.419.27.53.93.97.287.897.954.518.516.128.6
Total rainfall in Inches0.70.80.30.20.20.33.53.92.10.70.61.1
Total number of rainy days2.52.11.30.70.40.89.48.44.81.91.62.9
Chances of rain8.1%7.5%4.2%2.3%1.3%2.7%30.3%27.1%16.0%6.1%5.3%9.4%

Hermosillo Climate Graph

Below is the climate graph for Hermosillo. It shows both the average temperatures throughout the year in degrees Celsius and also the average total rainfall in millimetres.

Hermosillo Climate Graph with temperatures in °C and rainfall in millimetres

Below is the climate graph for Hermosillo with both the average temperatures throughout the year in degrees Fahrenheit and also the average total rainfall in inches.

Hermosillo Climate Graph with temperatures in °F and rainfall in inches