Live Weather & Forecast
Weather in San Diego de la Unión
Guanajuato, Mexico · Real-time conditions & 3-day outlook
28°C
Feels like 26°C
82°F / Feels 79°F
Partly Cloudy
San Diego de la Unión, Guanajuato
🌞 Daytime
Updated: 2026-04-15 18:45
Humidity
19%
Wind
16.9 km/h NE
Wind Gust
19.5 km/h
Pressure
1008 mb
Visibility
10 km
UV Index
0.4
(Low)
Precipitation
0 mm
Cloud Cover
48%
Dew Point
2.5°C
Wind Degree
54°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
195.9 μg/m³
NO₂
7.1 μg/m³
O₃
85 μg/m³
SO₂
2.5 μg/m³
PM 2.5
11.7 μg/m³
PM 10
11.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Diego de la Unión, Guanajuato
12 AM
18°
Thundery outbreaks in nearby
1 AM
17°
Thundery outbreaks in nearby
2 AM
17°
Thundery outbreaks in nearby
3 AM
16°
Mist
4 AM
15°
Mist
5 AM
15°
Mist
6 AM
15°
Mist
7 AM
14°
Mist
8 AM
15°
Mist
9 AM
18°
Cloudy
10 AM
21°
Sunny
11 AM
25°
Sunny
12 PM
28°
Sunny
1 PM
29°
Sunny
2 PM
29°
Sunny
3 PM
29°
Partly Cloudy
4 PM
29°
Partly Cloudy
5 PM
29°
Partly Cloudy
6 PM
28°
Partly Cloudy
7 PM
27°
Partly Cloudy
8 PM
25°
Thundery outbreaks in nearby
9 PM
23°
Thundery outbreaks in nearby
10 PM
22°
Thundery outbreaks in nearby
11 PM
20°
Thundery outbreaks in nearby
3-Day Forecast
Daily overview for San Diego de la Unión, Guanajuato
Today
Cloudy
30°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.8
🌅 Sunrise: 07:25 AM
🌇 Sunset: 08:03 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Mist
30°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 64%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 3
🌅 Sunrise: 07:24 AM
🌇 Sunset: 08:03 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
32°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 58%
💨 Max wind: 23 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.9
🌅 Sunrise: 07:23 AM
🌇 Sunset: 08:04 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit San Diego de la Unión
Plan your trip to San Diego de la Unión, Mexico around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in San Diego de la Unión?
Current conditions in San Diego de la Unión: Partly Cloudy, temperature 28°C, humidity 19%.
What is the best time to visit San Diego de la Unión?
The best time to visit San Diego de la Unión is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in San Diego de la Unión?
San Diego de la Unión is located at approximately 21.5° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in San Diego de la Unión?
The wettest period in San Diego de la Unión is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to San Diego de la Unión?
For visits to San Diego de la Unión during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is San Diego de la Unión in?
San Diego de la Unión is located in Mexico, in the state of Guanajuato.
What are the public holidays in San Diego de la Unión in 2026?
View the 2026 public holidays for San Diego de la Unión on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Diego de la Unión?
The weather forecast for San Diego de la Unión uses coordinates 21.4675, -100.8724.