May weather forecast
Mexico

May sees the onset of summer in Mexico, characterized by a sharp increase in temperatures throughout the country. The climate transitions from the mildness of spring to the more intense heat of summer.

The northern region of Mexico, predominantly arid and semi-arid, experiences an escalation in heat during May. Daytime temperatures here average from 30°C (86°F) to 40°C (104°F), while nighttime temperatures remain more comfortable, hovering between 15°C (59°F) and 20°C (68°F).

Mexico City, nestled in the southern part of the central plateau, experiences significant warmth in May. Average temperatures fluctuate between 18°C (64.4°F) and 28°C (82.4°F), making daytime particularly warm. However, due to its altitude, the city manages to retain pleasant evenings, providing some respite from the heat.

In the south-central high mountain areas, such as Pico de Orizaba, May brings milder conditions, though the peaks above 4000 meters still remain cool. Average temperatures range from 0°C (32°F) to 12°C (53.6°F), marking a considerable increase compared to the previous months.

May offers the first taste of the tropical summer on the Yucatan Peninsula, with average temperatures soaring to between 24°C (75.2°F) and 35°C (95°F). The heat and high humidity in this region mark the start of the summer vacation season.

Along the coastal areas of Baja California, May continues the warming trend. Average temperatures range between 21°C (69.8°F) and 27°C (80.6°F). The beaches begin to see an increase in visitors, keen on soaking up the sun before the more intense heat of the peak summer arrives.

May is usually a dry month in most parts of Mexico. The highlands and the southern Pacific coast receive more precipitation than other regions, with an average of 65mm (2.56"). In contrast, the northern regions remain dry, awaiting the onset of the monsoon in the coming months. The south-central high mountain areas see little to no snowfall in May, marking a firm transition into the warmer part of the year.

---

• Mexico City - May »
  During April and May, Mexico City experiences its peak temperatures, averaging a high-temperature of 25.4°C (77.7°F). In Mexico City in May, during 14.9 rainfall days, 57mm (2.24") of precipitation is typically accumulated.
• Guadalajara - May »
  In Guadalajara during the entire year, the rain falls for 154.5 days and collects up to 719mm (28.31") of precipitation. In Guadalajara during May, the rain falls for 7.8 days and regularly aggregates up to 23mm (0.91") of precipitation.
• Monterrey - May »
  On the first day of May in Monterrey sunrise is at 6:03 am and sunset at 7:12 pm. The months with the highest UV index in Monterrey, Mexico, are May and July, with an average maximum UV index of 7.
• Puebla - May »
  On the last day of May, in Puebla, Mexico, sunrise is at 5:54 am and sunset at 7:06 pm CST. On the first day of May in Puebla, Mexico, sunrise is at 6:04 am and sunset at 6:55 pm.
• Tijuana - May »
  On the first day of May in Tijuana, Mexico, sunrise is at 6:00 am and sunset at 7:29 pm. In Tijuana during May, the rain falls for 4.9 days and regularly aggregates up to 11mm (0.43") of precipitation.
• Ciudad Juarez - May »
  April and May, with an average relative humidity of 22%, are the least humid months in Ciudad Juarez, Mexico. In May, in Ciudad Juarez the rain falls for 2.8 days.
• Leon - May »
  The months with the most sunshine in Leon are January, March, May and December, with an average of 9.8h of sunshine. January, March, May and December, with an average of 9.8h of sunshine, are months with the most sunshine in Leon, Mexico.
• Merida - May »
  May, with an average high of 35.4°C (95.7°F) and a low of 24°C (75.2°F), signifies the warmest month of the year in Merida, Mexico. The months with the lowest humidity in Merida are April and May, with an average relative humidity of 63%.
• San Luis Potosi - May »
  The month with the most rainfall in San Luis Potosi is May, when the rain falls for 16.6 days and typically aggregates up to 81mm (3.19") of precipitation. The month with the most rainfall in San Luis Potosi is May, when the rain falls for 16.6 days and typically aggregates up to 81mm (3.19") of precipitation.
• Querétaro - May »
  May, with its average high-temperature of 30.7°C (87.3°F) and an average low-temperature of 14.3°C (57.7°F), holds the record as the warmest month in Querétaro. In Querétaro, during the entire year, the rain falls for 60.7 days and collects up to 528mm (20.79") of precipitation.
• Mexicali - May »
  May and June are months with the least rain in Mexicali when the rain falls for 1.1 days and typically aggregates up to 1mm (0.04") of rain. In Mexicali, during May, the rain falls for 1.1 days and regularly aggregates up to 1mm (0.04") of precipitation.
• Hermosillo - May »
  With an average relative humidity of 22%, May is the least humid month in Hermosillo, Mexico. May is the least humid month in Hermosillo, Mexico, with an average relative humidity of 22%.