Weather in Culiacán in April
Mexico · 20-year averages, April
A hard month. April is a hard month in Culiacán, and worth planning around. Daytime highs average 35.8 °C and the afternoon is not negotiable — outdoor plans move to early morning or evening.
April ranks 7 of 12 in Culiacán: past the worst of the year but short of December, which is the month to book if the dates are open.
Rain is not a factor worth planning around this month. 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: 19 days clear 35 °C, so a serious heatwave is normal rather than notable; the day swings 16.2 °C from low to high, which means one bag has to cover both. Across the twenty years measured, the hottest April day reached 44.7 °C and the coldest night fell to 14.4 °C.
April is dependably dry, and that reliability is the point: across the twenty years measured, the wettest April on record still only managed 24 mm, and the driest managed 0 mm. There is no meaningful variability to plan around, which makes this one of the few months anywhere that you can build a fixed outdoor itinerary against without a fallback. The wettest single day in twenty years of Aprils brought 17 mm. Rain simply is not the variable that decides this trip — heat, crowds and cost are.
Wind is light at 7.3 km/h, so the temperature on the page is close to the temperature on your skin, and the air is dry at 36% humidity, which makes the heat far more bearable than the same figure somewhere humid — and dehydrates you faster than you expect.
How April sits in the year
The month is on the way up: 2.4 °C warmer than March, and May adds another 2.5 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in April
12.7 hours of daylight, gaining 0.7 hours across the month. That is between Culiacán's extremes of 13.7 and 10.6 hours, so days are long enough not to constrain the plan.
Sea temperature
The sea sits at about 23 °C in April — comfortable for a proper swim. The sea peaks at 30.4 °C in August and bottoms out at 21.4 °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
Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
April in Culiacán versus nearby
If Culiacán is one option among several, the nearby comparison is worth making. Torreón is a better bet in April — 2.8 °C cooler, 1 day more rain. Chihuahua is a better bet in April — 6 °C cooler, 1 day more rain.
So: April is a compromise. December is 40 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
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 29.5 | 15.7 | 1 | 8 | 45 | 10.8 | 22.1 | 87 |
| February | 30.7 | 16 | 2 | 15 | 43 | 11.3 | 21.4 | 80 |
| March | 33.4 | 17.5 | 1 | 5 | 37 | 12 | 21.5 | 70 |
| April | 35.8 | 19.7 | 0 | 2 | 36 | 12.7 | 23 | 48 |
| May | 38.3 | 22.1 | 0 | 1 | 38 | 13.3 | 25.5 | 30 |
| June | 38.7 | 25.3 | 6 | 33 | 52 | 13.7 | 27.6 | 30 |
| July | 34.8 | 25.8 | 23 | 183 | 70 | 13.5 | 29.4 | 30 |
| August | 33.1 | 25.8 | 23 | 204 | 78 | 13 | 30.4 | 38 |
| September | 32.3 | 24.9 | 19 | 169 | 80 | 12.3 | 30.2 | 41 |
| October | 33.5 | 22.6 | 5 | 46 | 65 | 11.6 | 29.6 | 61 |
| November | 32 | 19.1 | 2 | 23 | 54 | 11 | 26.9 | 73 |
| December | 29 | 16 | 2 | 16 | 50 | 10.6 | 23.9 | 88 |
See all twelve months in Culiacán, or where else to go in April.
Planning the rest of the trip
- Flight time to Culiacán how long you are actually in the air
- Culiacán time zone and the difference from home
- Days until your trip count down to the departure date