Find 246 hotels in San Guillermo

When is the Best Time to Explore San Guillermo?

If you're curious when is the best time of year to explore San Guillermo, you may find this information about seasonal weather useful when you are planning your trip. The warmest months in San Guillermo are typically January and December, whereas the coldest months are usually July and June. The months with the most rain are November and January, whereas June and July have the least.

Here's a rundown on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 34°C and at night it is 19°C. Seasonal average rainfall is 403 mm.
• If you visit between April and June, you can expect an average temp of 26°C during the day and 10°C at night. Average rainfall during this season is 175 mm.
• The daytime average temp from July to September is 25°C and the night-time average is 9°C. Average precipitation for this season is 97 mm.
• Between October and December, the average temp during the day is 33°C and 15°C at night. Seasonal average rain is 397 mm.
• The annual rainfall average in San Guillermo is 1073 mm.