Weather in Culiacán in January
Mexico · 20-year averages, January
Prime time. If you get to pick your dates, January is the one. Highs average 29.5 °C, lows 15.7 °C, and rain falls on 1 days — nothing in the month is working against you.
January ranks 2 of 12 in Culiacán. Only December scores clearly higher, and the difference is small enough to be settled by price rather than weather.
Rain falls on only 1 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 29.5 °C days and 15.7 °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: 14 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest January day reached 37.8 °C and the coldest night fell to 7 °C.
This is the volatile part. January rainfall has ranged from 0 mm to 61 mm across the twenty years measured — a 61 mm spread around an average of 8 mm. The average is real but almost no individual January looks like it, so treat the figure as the middle of a wide range rather than a forecast.
Wind is light at 5.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 45%.
How January sits in the year
Temperatures hold steady either side: 29 °C in December, 29.5 here, 30.7 in February. Nothing about the timing within the month matters much.
Daylight in January
January sits at the dark end of Culiacán's year — 10.8 hours of daylight against 13.7 at midsummer, gaining 0.4 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.
Sea temperature
The sea sits at about 22.1 °C in January — 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
Peak season. Expect the highest prices of the year and to be booking well ahead.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
January in Culiacán versus nearby
If Culiacán is one option among several, the nearby comparison is worth making. Torreón is a better bet in January — 7.3 °C cooler, 1 day more rain. Chihuahua is close enough to be a coin toss — 10.2 °C cooler, 1 day more rain.
So: January is effectively as good as it gets here — 1 points behind December, which is inside the margin where the weather stops being the deciding factor and price starts being it.
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 January.
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