Weather in Mérida in June
Mexico · 20-year averages, June
A hard month. June is a hard month in Mérida, and worth planning around. You should expect rain on 20 days of the month, which is more days wet than dry.
June ranks 12 of 12 — near the bottom of Mérida's year. January is the month that works, and the swing between the two is 41 points, which is a different holiday rather than a slightly better one.
Rain on 20 of the month's 30 days, 5 of them heavy. At that frequency a wet-weather backup is not a contingency, it is the itinerary — book the indoor things first and treat the clear days as the bonus. Pack for 33 °C days and 24.3 °C nights; the spread matters more here than any single number.
What the averages hide
Averages flatten a month, and this one hides a few things: 7 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest June day reached 40.1 °C and the coldest night fell to 20.9 °C, and the wettest single day dropped 150 mm — roughly 82% of the month's rain in one day.
June is moderately variable: 78 mm in the driest year against 586 mm in the wettest, around an average of 183 mm. Roughly two Junes in three land near that average, and the third does something else entirely.
Wind is light at 0.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 76%, high enough to notice on the warm days without dominating them.
How June sits in the year
Temperatures hold steady either side: 36 °C in May, 33 here, 32.3 in July. Nothing about the timing within the month matters much. Rain has already shifted: 10 days more than May had.
Daylight in June
June is at or near the longest days of Mérida's year: 13.4 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.
Sea temperature
The sea sits at about 27.7 °C in June — warm enough that the water offers no relief from the heat. The sea peaks at 29.1 °C in August and bottoms out at 24 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
How busy it gets
Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Mérida versus nearby
If Mérida is one option among several, the nearby comparison is worth making. Cancún is a better bet in June — 3.3 °C cooler, 2 days less rain. Key West is a better bet in June — 4.2 °C cooler, 2 days more rain.
So: June is a compromise. January is 41 points better and is what Mérida is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Mérida
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 29.2 | 18.6 | 6 | 33 | 69 | 11 | 24.2 | 79 |
| February | 31.4 | 19.7 | 5 | 29 | 65 | 11.4 | 24 | 71 |
| March | 33.6 | 20.9 | 4 | 19 | 59 | 12 | 24.5 | 64 |
| April | 35.9 | 22.9 | 5 | 27 | 56 | 12.6 | 25.3 | 48 |
| May | 36 | 24.2 | 10 | 73 | 60 | 13.1 | 26.4 | 41 |
| June | 33 | 24.3 | 20 | 183 | 76 | 13.4 | 27.7 | 38 |
| July | 32.3 | 24 | 23 | 128 | 79 | 13.3 | 28.5 | 41 |
| August | 32.3 | 24.3 | 22 | 152 | 81 | 12.9 | 29.1 | 40 |
| September | 31 | 24.1 | 23 | 188 | 85 | 12.3 | 29.1 | 43 |
| October | 29.9 | 22.9 | 16 | 127 | 83 | 11.7 | 28.3 | 53 |
| November | 29.3 | 20.5 | 9 | 52 | 77 | 11.2 | 26.6 | 74 |
| December | 29.5 | 19.4 | 6 | 35 | 73 | 10.9 | 25.2 | 78 |
See all twelve months in Mérida, or where else to go in June.
Planning the rest of the trip
- Flight time to Mérida how long you are actually in the air
- Mérida time zone and the difference from home
- Days until your trip count down to the departure date