Weather in Culiacán in July

The month to avoid. Of the twelve, July is the one to avoid. You should expect rain on 23 days of the month, which is more days wet than dry.

July ranks 12 of 12 — near the bottom of Culiacán's year. December is the month that works, and the swing between the two is 58 points, which is a different holiday rather than a slightly better one.

Rain on 23 of the month's 31 days, 7 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 heat management rather than style: shade, water, and a schedule that gives up on the middle of the day.

What the averages hide

Averages flatten a month, and this one hides a few things: 14 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest July day reached 43.5 °C and the coldest night fell to 23.1 °C, and the wettest single day dropped 52 mm — roughly 28% of the month's rain in one day.

July is one of the reliable ones — rainfall has stayed between 129 mm and 271 mm across all twenty years, a narrow enough band that the 183 mm average is something you can plan against rather than merely quote.

Wind is light at 6.2 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 70%.

How July sits in the year

The month is on the way down: 3.9 °C cooler than June, with August dropping another 1.7 °C. The first week and the last are not the same trip. Rain has already shifted: 17 days more than June had.

Daylight in July

July is at or near the longest days of Culiacán's year: 13.5 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 29.4 °C in July — warm enough that the water offers no relief from the heat. This is the warmest the water gets all year.

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.

July in Culiacán versus nearby

If Culiacán is one option among several, the nearby comparison is worth making. Torreón is a better bet in July — within a degree on temperature, 13 days less rain. Chihuahua is a better bet in July — 2.8 °C cooler, 7 days less rain.

So: July is a compromise. December is 58 points better and is what Culiacán 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 Culiacán

See all twelve months in Culiacán, or where else to go in July.