מזג האוויר בואיאדוליד במאי

May is the wrong half of the sargassum year here and the board does not soften it: through May and June the seaweed is everywhere, and the only honest way to plan is to treat the beach as a bonus rather than the reason for coming. Their answer is to go inland - the cenotes, the ruins, Sian Ka'an - and it is a good one. The heat is the other thing to know: 29.8C reads as 34C at 77.8 percent humidity, and the nights barely help at 25.9C feeling like 29C. The sea is 28.8C, warmer than the air after dark. Rain has started, 69.7mm across 12.6 days, mostly in the afternoon. A 20.1 kph wind is the only relief. The record: 11.6 hours of sun and AQI 37.

Valladolid-forum threads on September weather don't sugarcoat it - one visitor's own thread title says it plainly, caught in a real rain storm mid-trip. Regulars confirm September is one of the wettest months on the local calendar, with an intense downpour typically landing in the mid-afternoon window, an hour or two of heavy rain before it clears and leaves behind high, sticky humidity for the rest of the day. Posters are blunt that September isn't the best month here weather-wise, and the standing advice is a proper raincoat rather than just an umbrella, since the rain tends to arrive with real force rather than a light drizzle. The heat itself runs high nearly every day regardless of the rain, making the cenotes around town the go-to break from both the humidity and the afternoon downpour alike. The record: a scorching 35.4C by day feeling like a punishing 41C, 23.6C nights, a notably high 113mm across 20.1 days, 82 percent humidity and 10.5 hours of sun.

Valladolid-forum threads on April weather are direct that this sits inside the region's hottest, driest stretch, temperatures regularly into the mid-90s Fahrenheit by early afternoon. The standing local rhythm, per regulars, is to treat 10am to 5pm as pool-or-shade time, following the pattern locals themselves keep rather than pushing through the midday heat on foot. The town's cenotes get singled out specifically as the practical escape - Zaci right in town, plus Oxman and Selva Maya just outside it - all noticeably cooler than the plaza and colonial streets above ground. Posters call the rest of the day, morning and early evening, genuinely pleasant for walking and sightseeing, so the heat is more a scheduling problem than a reason to skip the visit. Almost no rain is expected this month, one of the driest entries on the local calendar. The record: a scorching 36.3C by day feeling like 39C, 21.6C nights, just 20mm across 4 days, a dry 64 percent humidity and 11.5 hours of sun.

Valladolid-forum threads on general trip planning place November inside the region's most popular travel window, the low-rain season running roughly November through spring - reliably clear skies and warm-but-manageable temperatures that make it one of the year's sweet spots, smaller crowds and better rates than the peak winter months that follow. Regulars point visitors toward the cenotes around town - Oxman, Selva Maya, and the in-town Zaci - as the natural break from walking the colonial center in the day's heat. The record: 32.2C days feeling like a sticky 35C, 20.3C nights, 34mm across 8.4 days, 77 percent humidity and 9.8 hours of sun - warmer than the manageable framing suggests, genuinely low on precipitation by the numbers.

December is when the Yucatan interior becomes walkable again. Regulars describe November into mid-December as mostly sunny, highs in the high 70s to low 80s Fahrenheit and noticeably less humid than spring and summer, which is the difference between seeing four cenotes in a day and managing two. Our row gives 31.1C days against 18.8C nights - a wide gap for the tropics - with 24.8mm of rain across 4.9 days. What they suggest doing with it: Cenote Zaci is in the town itself, an easy walk from the main square; Hacienda San Lorenzo Oxman is the quieter favourite; and hiring a taxi for the day is the usual way to string several together. The record: feels-like 33C, humidity 75 percent, 9.4 hours of sun and AQI 29.