San Juan de los Lagos

Heading to San Juan de los Lagos or just want to keep an eye on the weather? In this section, you'll find the most up-to-date weather information, including forecasts and helpful charts, to ensure your plans go off without a hitch.

The climate in San Juan de los Lagos can be described as warm and fairly predictable, with distinct dry and wet seasons. Sunny weather prevails for most of the year, and temperatures remain comfortable for travel. The winter months, from December to February, are mild: days are warm, while nights can be cool, with almost no precipitation during this period. Spring, particularly April and May, is the hottest and driest time of the year.

With the arrival of June and lasting through September, the rainy season sets in. Although daytime temperatures remain high, the chance of precipitation increases significantly during this time. The highest number of rainy days occurs in July and August. In autumn, covering October and November, rainfall decreases once again, bringing back mostly sunny and dry weather. Therefore, when planning a visit to San Juan de los Lagos, it is useful to consider these seasonal patterns of humidity.

San Juan de los Lagos enjoys a warm climate with notable annual temperature fluctuations. May is the hottest month, with average temperatures reaching 24.0°C and daytime highs potentially hitting 31.7°C. This is preceded by a very warm April and March, with maximum temperatures around 30.5°C and 29.1°C, respectively. The coolest months are December and January. During this period, the average temperature stays around 15.8-15.9°C, while nighttime lows can drop to 8.4°C in January and 8.7°C in December.

The summer months from June to August feature warm weather, although the peak heat has passed. Average maximum temperatures during this period range from 26.1°C in July to 29.9°C in June. Average temperatures stay between 20.9°C in July and August and 23.7°C in June. Summer coincides with the rainy season, and the increased humidity and cloud cover can slightly temper the heat. Daily temperature fluctuations in summer are less pronounced than in the dry season, with the difference between daytime highs and nighttime lows being approximately 10-12°C. For example, in July, the average high is 26.1°C and the low is 15.8°C.

Winter in San Juan de los Lagos, from December to February, is mild and comfortable. Daytime temperatures are usually very pleasant, reaching between 23.0°C in December and 25.7°C in February. However, nights can be quite cool, with the mercury dropping to 8.4-10.1°C. Significant daily temperature swings are characteristic of the winter and spring months, especially from November to April. The gap between daytime warmth and nighttime cool can reach 15-16°C (for instance, in March, the high is 29.1°C while the low is 12.5°C). This is an important detail to keep in mind when packing, especially if you plan on any evening or early morning activities.

San Juan de los Lagos experiences a clear division between dry and wet seasons, which directly affects the nature and frequency of rainfall. The dry season spans from November to April. During this time, rain is a rarity. March and April stand out particularly; according to historical averages, there is zero rainfall, and the number of rainy days is zero. January, February, November, and December are also characterized by minimal precipitation (0 mm) and only 1-2 rainy days per month.

The rainy season in San Juan de los Lagos falls during the summer months and early autumn, specifically from June to September. Rainfall peaks in July, with an average of 6 mm and up to 21 rainy days. This means that nearly two-thirds of the month can see rain. June, August, and September also see notable precipitation (3-4 mm), with the number of rainy days ranging from 13 in June to 19 in August. Rainfall during this period typically consists of regular showers of varying intensity.

May and October are the transitional months. In May, rainfall begins to increase gradually (1 mm and 4 rainy days), signaling the approach of the rainy season. In contrast, October sees a decrease in intensity (2 mm and 8 rainy days) as the weather returns to being predominantly dry. Snow is not typical for San Juan de los Lagos due to the warm average annual temperatures.

When planning your trip to San Juan de los Lagos, keep in mind how much the weather can change throughout the day. It’s usually warm and sunny during the day, so light, breathable clothing made from natural fabrics is your best bet. However, evenings and early mornings—especially during the dry season from November to April—can be quite chilly. Pack a light jacket, sweater, or cardigan to stay comfortable. Since San Juan de los Lagos is a great city for walking, comfortable shoes are an absolute must. Don't forget sunscreen, sunglasses, and a hat, as the sun in Mexico is strong year-round.

Depending on the season, your packing list might vary slightly. If you’re traveling during the dry season (November to April) when rain is extremely rare, focus on sun protection and warm layers for the cool evenings. From June to September, however, it’s the rainy season. During this time, you’ll definitely need a light umbrella or a waterproof jacket. Choose clothes made from quick-drying materials. While it doesn't usually rain all day, it’s best to be prepared. Also, given the increased humidity during the rainy period, insect repellent is a good idea.