Last updated: August 27, 2025
In Primero de Mayo, Mexico, the average temperature in January is a comfortable 13°C (55°F). However, be prepared for a range of temperatures, as the minimum can drop to -4°C (26°F), while the maximum can soar to 28°C (82°F). During this month, expect 11 mm (0.4 in) of precipitation spread over just 1 day, and enjoy an average humidity level of 71%. Whether rain or shine, each day holds its own charm!
In January in Primero de Mayo, the average temperature is 13°C (55°F). The maximum can reach 28°C (82°F), and the minimum can be as low as -4°C (26°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is advisable.
In Primero de Mayo in January, the precipitation amount is 11 mm (0.4 in) over the course of one day.
In Primero de Mayo in January humidity is 71%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, making travel a bit challenging as the moisture clings to your skin and the air feels thick, creating a sense of heaviness that can sap your energy while exploring.
In Primero de Mayo in January, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Primero de Mayo.
UV Risk Categories
Weather in Primero de Mayo varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Primero de Mayo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 11 mm (0.4 inches) | 71% | very high |
| February Weather | 15°C (59°F) | 10 mm (0.4 inches) | 64% | extreme |
| March Weather | 18°C (65°F) | 5 mm (0.2 inches) | 49% | extreme |
| April Weather | 20°C (69°F) | 2 mm (0.1 inches) | 47% | extreme |
| May Weather | 23°C (74°F) | 9 mm (0.3 inches) | 55% | extreme |
| June Weather | 24°C (75°F) | 46 mm (1.8 inches) | 77% | extreme |
| July Weather | 21°C (71°F) | 139 mm (5.5 inches) | 82% | extreme |
| August Weather | 22°C (71°F) | 91 mm (3.6 inches) | 83% | extreme |
| September Weather | 19°C (67°F) | 126 mm (4.9 inches) | 86% | extreme |
| October Weather | 19°C (66°F) | 48 mm (1.9 inches) | 83% | extreme |
| November Weather | 16°C (61°F) | 12 mm (0.5 inches) | 80% | very high |
| December Weather | 13°C (56°F) | 9 mm (0.3 inches) | 83% | high |