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 »
  In Mexico City, the months of April and May are known for the peak temperatures, reaching an average high of 25.4°C (77.7°F). On the first day of May in Mexico City sunrise is at 6:07 am and sunset at 6:59 pm.
• Guadalajara - May »
  On the last day of the month, in Guadalajara, sunrise is at 6:12 am and sunset at 7:30 pm CST. In Guadalajara, May is the month with the highest recorded average temperatures, measuring a high of 32.4°C (90.3°F) and a low of 15.3°C (59.5°F).
• Monterrey - May »
  The month with the most rainfall in Monterrey is May, when the rain falls for 19.3 days and typically aggregates up to 105mm (4.13") of precipitation. In May, Monterrey's weather conditions record an average high-temperature of a tropical 30.5°C (86.9°F), demonstrating little divergence from the preceding month.
• Puebla - May »
  On the first day of May in Puebla sunrise is at 6:04 am and sunset at 6:55 pm. May has the most sunshine of the year in Puebla, Mexico, with an average of 10.7h of sunshine.
• Tijuana - May »
  May is the most humid month in Tijuana, with an average relative humidity of 68%. May is the most humid month in Tijuana, with an average relative humidity of 68%.
• Ciudad Juarez - May »
  The months with the lowest humidity in Ciudad Juarez are April and May, with an average relative humidity of 22%. The months with the lowest humidity in Ciudad Juarez are April and May, with an average relative humidity of 22%.
• Leon - May »
  In May, Leon's weather reaches a notable peak with the warmest average temperatures of the year amid a significant rise in rainfall. With high temperatures reaching to 29.7°C (85.5°F) and a significant increase in rainfall to 23mm (0.91"), May marks an important shift in Leon's precipitation patterns.
• Merida - May »
  The highest temperature in May can escalate up to 35.4°C (95.7°F), which is the peak temperature Merida experiences during the year. In Merida, during the entire year, the rain falls for 167.3 days and collects up to 536mm (21.1") of precipitation.
• San Luis Potosi - May »
  The months with the highest UV index in San Luis Potosi are February through October, with an average maximum UV index of 5. In San Luis Potosi during May, the rain falls for 16.6 days and regularly aggregates up to 81mm (3.19") of precipitation.
• Querétaro - May »
  Querétaro experiences its highest temperatures in May, with an average peak of 30.7°C (87.3°F) and a low of 14.3°C (57.7°F). March through September, with an average maximum UV index of 12, are months with the highest UV index in Querétaro, Mexico.
• Mexicali - May »
  In Mexicali, during May, the rain falls for 1.1 days and regularly aggregates up to 1mm (0.04") of precipitation. May weather in Mexicali takes a swerve towards intense heat, which becomes a defining characteristic of Mexicali's summer.
• Hermosillo - May »
  May is the least humid month in Hermosillo, with an average relative humidity of 22%. What is the least humid month in Hermosillo?