Live Weather & Forecast
Weather in San Diego de la Union
Guanajuato, Mexico · Real-time conditions & 3-day outlook
28°C
Feels like 27°C
82°F / Feels 81°F
Sunny
San Diego de la Union, Guanajuato
🌞 Daytime
Updated: 2026-04-11 14:15
Humidity
40%
Wind
10.8 km/h E
Wind Gust
12.4 km/h
Pressure
1015 mb
Visibility
10 km
UV Index
11.3
(Extreme)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
13.5°C
Wind Degree
82°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
177.9 μg/m³
NO₂
4.4 μg/m³
O₃
96 μg/m³
SO₂
2.3 μg/m³
PM 2.5
12.6 μg/m³
PM 10
12.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Diego de la Union, Guanajuato
12 AM
17°
Thundery outbreaks in nearby
1 AM
17°
Thundery outbreaks in nearby
2 AM
16°
Cloudy
3 AM
15°
Overcast
4 AM
14°
Partly Cloudy
5 AM
14°
Cloudy
6 AM
14°
Cloudy
7 AM
14°
Cloudy
8 AM
14°
Overcast
9 AM
15°
Cloudy
10 AM
18°
Partly Cloudy
11 AM
20°
Sunny
12 PM
23°
Sunny
1 PM
26°
Sunny
2 PM
28°
Sunny
3 PM
28°
Sunny
4 PM
28°
Sunny
5 PM
27°
Sunny
6 PM
26°
Sunny
7 PM
23°
Sunny
8 PM
21°
Sunny
9 PM
19°
Thundery outbreaks in nearby
10 PM
18°
Thundery outbreaks in nearby
11 PM
17°
Thundery outbreaks in nearby
3-Day Forecast
Daily overview for San Diego de la Union, Guanajuato
Today
Partly Cloudy
29°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 26.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.9
🌅 Sunrise: 07:28 AM
🌇 Sunset: 08:02 PM
🌙 Waning Crescent
🌑 Moon: 42% lit
Sun, Apr 12
Patchy rain nearby
28°
/
11°
🌧️ 65% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 4.94 mm
☀️ UV Index: 2.9
🌅 Sunrise: 07:27 AM
🌇 Sunset: 08:02 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Thundery outbreaks in nearby
27°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 3
🌅 Sunrise: 07:27 AM
🌇 Sunset: 08:02 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Best Time to Visit San Diego de la Union
Plan your trip to San Diego de la Union, 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
People also ask — answers optimized for search engines and voice queries.
What is the current weather in San Diego de la Union?
Current conditions in San Diego de la Union: Sunny, temperature 28°C, humidity 40%.
What is the best time to visit San Diego de la Union?
The best time to visit San Diego de la Union is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in San Diego de la Union?
San Diego de la Union 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 Union?
The wettest period in San Diego de la Union is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to San Diego de la Union?
For visits to San Diego de la Union 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 Union in?
San Diego de la Union is located in Mexico, in the state of Guanajuato.
What are the public holidays in San Diego de la Union in 2026?
View the 2026 public holidays for San Diego de la Union on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Diego de la Union?
The weather forecast for San Diego de la Union uses coordinates 21.4551, -100.8696.