January
Best time
9.5/10
21°C / 6°C · 3 rain days · 9.6 h sun
January is dry and mild, with a high of 20.6°C and just 2.5 rain days. Sun hours sit at 9.6, among the lowest of the year, but rainfall is only 8mm. This is a top-scoring month at 9.5, and New Year's Day falls on the 1st.
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February
Best time
9.6/10
23°C / 8°C · 2 rain days · 10.4 h sun
February brings slightly warmer days, up to 23.1°C, and even less rain, with 13mm over 2 rain days. It scores 9.6, one of the best months to visit. Constitution Day lands on February 2.
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March
Best time
9.6/10
26°C / 10°C · 2 rain days · 11.3 h sun
March is warm and dry, reaching 25.8°C with only 1.9 rain days and 8mm of rain, plus 11.3 sun hours. It ties for the top score at 9.6. Benito Juárez's birthday is marked on March 16.
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April
Best time
8.6/10
28°C / 12°C · 2 rain days · 11.8 h sun
April heats up to 28°C with low rainfall of 10mm over 2.1 rain days and strong sun at 11.8 hours. The score drops a little to 8.6 but still ranks among the best months. Easter holidays fall this month, with Maundy Thursday on April 2 and Good Friday on April 3.
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May
Good
7.4/10
29°C / 14°C · 4 rain days · 12.3 h sun
May is the warmest month before the rains, hitting 29.4°C, but rain days climb to 4.4 with 21mm falling. The score dips to 7.4, a good rather than top month. Labour Day is observed on May 1.
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June
Good
7.4/10
28°C / 15°C · 9 rain days · 12.2 h sun
June marks the start of the wet season: highs cool slightly to 27.8°C while rain days jump to 8.6 and rainfall reaches 59mm. This is tough weather for anyone wanting dry days, and the score matches at 7.4, rated good.
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July
Best time
7.8/10
26°C / 14°C · 10 rain days · 11.8 h sun
July stays wet, with 9.9 rain days and 80mm of rain, the highest monthly total so far, though the high eases to 26.4°C. Despite the rain, the score climbs back to 7.8, a best-rated month for travellers who don't mind afternoon showers.
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August
Best time
8.0/10
27°C / 15°C · 8 rain days · 11.6 h sun
August remains humid with 8 rain days and 54mm of rain, and a high of 26.8°C. Sun hours hold steady at 11.6. The score rises to 8, keeping it in the best category.
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September
Best time
7.8/10
25°C / 14°C · 11 rain days · 10.7 h sun
September is the wettest month, with 10.9 rain days and 87mm of rainfall, while the high drops to 24.5°C. This is the toughest month for weather due to the heaviest and most frequent rain. The score still reaches 7.8, and Independence Day falls on September 16.
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October
Best time
8.9/10
24°C / 12°C · 5 rain days · 10.2 h sun
October sees rain ease off to 5.3 days and 37mm, with a high of 24°C. The score jumps to 8.9 as conditions improve, making it one of the best months to visit.
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November
Best time
9.4/10
23°C / 9°C · 3 rain days · 10.1 h sun
November turns dry again, with just 3.1 rain days and 23mm of rain, and a high of 22.7°C. The score reaches 9.4. Revolution Day is marked on November 16.
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December
Best time
9.6/10
21°C / 7°C · 2 rain days · 9.5 h sun
December closes the year with dry, mild weather: a high of 20.7°C, only 1.8 rain days and 12mm of rain. It ties for the top score at 9.6. Christmas Day falls on December 25.
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