What’s the climate like in San Diego de la Unión?
The current climate of San Diego de la Unión features average monthly temperatures ranging from highs of 31°C during the day to lows of 22°C. The average yearly temperature is around 27°C. At night, temperatures in the colder months average around 6°C and in the warmer months around 15°C.
The highest temperature recorded in San Diego de la Unión in recent years was 39°C in June 2023. The lowest daytime temperature recorded was 11°C in March 2015.
On average, San Diego de la Unión receives 468 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Curious about the climate in other parts of Mexico? Check out the weather and climate in places like Cancún, Mexico City, Playa del Carmen, or have a look at other destinations in Mexico.
Best time to visit San Diego de la Unión?
The best time to visit San Diego de la Unión for sunny weather is January through December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit San Diego de la Unión.
Climate Table of San Diego de la Unión
The climate table of San Diego de la Unión shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 22 | 25 | 28 | 30 | 31 | 29 | 28 | 28 | 26 | 26 | 24 | 23 |
| Temp. min (°C) | 6 | 8 | 10 | 13 | 14 | 15 | 15 | 15 | 14 | 12 | 9 | 7 |
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| Precipitation (mm) | 6,7 | 5,3 | 21 | 12 | 46 | 96 | 61 | 78 | 79 | 40 | 16 | 7,0 |
| UV Index | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 7 | 7 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 27°C
- Highest temperature: 31°C in May
- Lowest temperature: 22°C in January
- Precipitation: 468 mm per year, averaging 39 mm per month
- Driest months: 5,3 mm in February, 6,7 mm in January and 7,0 mm in December
- Wettest months: 96 mm in June, 79 mm in September and 78 mm in August
Table of Contents
Average Temperature per Month in San Diego de la Unión
This graph shows the average maximum temperatures per month in San Diego de la Unión, Mexico. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in San Diego de la Unión
This graph shows how much precipitation San Diego de la Unión, Mexico, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in San Diego de la Unión
This graph shows the average UV index per month in San Diego de la Unión, Mexico. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in San Diego de la Unión
This graph shows the average yearly temperature in San Diego de la Unión, Mexico. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in San Diego de la Unión
This chart shows the total yearly precipitation in San Diego de la Unión, Mexico, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in San Diego de la Unión
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Average Weather in San Diego de la Unión by Month
Click on a month below to see detailed weather info for San Diego de la Unión. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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