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Culiacán, Sinaloa Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Culiacán, Sinaloa?
Culiacán, Sinaloa gets 294 mm of precipitation a year over about 20 rainy days. July is the warmest month (average high 37°C) and January the coldest (average low 11°C).
Desert climate
Culiacán, Sinaloa has hot summers and hot winters. Daytime highs range from about 29°C in January to 37°C in July. August is usually the wettest month.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 11° | 30° |
| Spring | Mar–May | 14° | 33° |
| Summer | Jun–Aug | 23° | 37° |
| Autumn | Sep–Nov | 20° | 36° |
How much rain does Culiacán get?
Culiacán gets 294 mm of precipitation in an average year, spread over about 20 days with measurable rain. That is fewer rainy days than 91% of Mexico.
August is the wettest month, with 105 mm. May is the driest, with 1 mm. August has the most rainy days, about 6.
The longest dry spell in the last five years lasted 123 days, to April 4, 2025.
From October 2025 to September 2026 Culiacán got 39 mm of rain, against a normal of 294 mm for those months. January 2026 had the most, with 21 mm.
Culiacán weather by month
Culiacán weather in January
In January, Culiacán averages a high of 29°C and a low of 11°C. It gets 10 mm of precipitation over about 1 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The January record high is 36°C (2018) and the record low is 1°C (1989).
Culiacán weather in February
In February, Culiacán averages a high of 30°C and a low of 11°C. It gets 11 mm of precipitation over about 1 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The February record high is 37°C (2022) and the record low is 5°C (1983).
Culiacán weather in March
In March, Culiacán averages a high of 32°C and a low of 12°C. It gets 8 mm of precipitation over about 0 rainy days. Estimated sunshine is 59% of daylight hours, derived from ERA5 cloud cover. The March record high is 38°C (2002) and the record low is 6°C (2008).
Culiacán weather in April
In April, Culiacán averages a high of 33°C and a low of 14°C. It gets 2 mm of precipitation over about 0 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The April record high is 41°C (2024) and the record low is 7°C (1983).
Culiacán weather in May
In May, Culiacán averages a high of 36°C and a low of 17°C. It gets 1 mm of precipitation over about 0 rainy days. Estimated sunshine is 71% of daylight hours, derived from ERA5 cloud cover. The May record high is 41°C (2025) and the record low is 11°C (2006).
Culiacán weather in June
In June, Culiacán averages a high of 36°C and a low of 22°C. It gets 4 mm of precipitation over about 1 rainy days. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The June record high is 42°C (2007) and the record low is 14°C (1991).
Culiacán weather in July
In July, Culiacán averages a high of 37°C and a low of 24°C. It gets 52 mm of precipitation over about 4 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The July record high is 43°C (1989) and the record low is 18°C (1973).
Culiacán weather in August
In August, Culiacán averages a high of 37°C and a low of 24°C. It gets 105 mm of precipitation over about 6 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The August record high is 42°C (2020) and the record low is 19°C (2000).
Culiacán weather in September
In September, Culiacán averages a high of 36°C and a low of 23°C. It gets 59 mm of precipitation over about 4 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The September record high is 42°C (2024) and the record low is 18°C (1991).
Culiacán weather in October
In October, Culiacán averages a high of 36°C and a low of 21°C. It gets 24 mm of precipitation over about 1 rainy days. Estimated sunshine is 72% of daylight hours, derived from ERA5 cloud cover. The October record high is 44°C (2024) and the record low is 12°C (2010).
Culiacán weather in November
In November, Culiacán averages a high of 34°C and a low of 16°C. It gets 13 mm of precipitation over about 1 rainy days. Estimated sunshine is 72% of daylight hours, derived from ERA5 cloud cover. The November record high is 42°C (2005) and the record low is 6°C (1982).
Culiacán weather in December
In December, Culiacán averages a high of 31°C and a low of 12°C. It gets 5 mm of precipitation over about 1 rainy days. Estimated sunshine is 68% of daylight hours, derived from ERA5 cloud cover. The December record high is 38°C (2021) and the record low is 4°C (2003).
Sunshine, humidity and wind in Culiacán
October is the sunniest month in Culiacán, with estimated sunshine of 72% of daylight hours from ERA5 cloud cover. August is the cloudiest, at 32%. The annual cloud-cover estimate is 59% of daylight hours; it is not a measurement of sunshine duration. Culiacán is sunnier than 76% of Mexico.
Humidity peaks in September at 82% and is lowest in March at 60%.
Culiacán has about 87 days a year above 32°C. Culiacán is cooler than 54% of Mexico.
Culiacán weather records
These records cover CULIACAN INTL during 1973–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Culiacán station is 44°C, on October 22, 2024. The coldest is 1°C, on January 9, 1989.
The wettest day in the available station history brought 228 mm of precipitation, on January 18, 1997.
26 all-time records have been set at the station since 1973.
The best time to visit Culiacán
Winter (December–February) is hot, with average highs around 30°C and lows near 11°C.
Spring (March–May) is hot, with average highs around 34°C and lows near 14°C.
Summer (June–August) is hot, with average highs around 37°C and lows near 23°C. It can feel humid.
Autumn (September–November) is hot, with average highs around 35°C and lows near 20°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 11° | 29° | 10 mm | 1 | 66% | 61% | 36° | 1° |
| February | 11° | 30° | 11 mm | 1 | 66% | 58% | 37° | 5° |
| March | 12° | 32° | 8.1 mm | 0 | 60% | 59% | 38° | 6° |
| April | 14° | 33° | 2.0 mm | 0 | 60% | 60% | 41° | 7° |
| May | 17° | 36° | 0.8 mm | 0 | 61% | 71% | 41° | 11° |
| June | 22° | 36° | 3.8 mm | 1 | 68% | 64% | 42° | 14° |
| July | 24° | 37° | 52 mm | 4 | 73% | 39% | 43° | 18° |
| August | 24° | 37° | 105 mm | 6 | 79% | 32% | 42° | 19° |
| September | 23° | 36° | 59 mm | 4 | 82% | 47% | 42° | 18° |
| October | 21° | 36° | 24 mm | 1 | 74% | 72% | 44° | 12° |
| November | 16° | 34° | 13 mm | 1 | 63% | 72% | 42° | 6° |
| December | 12° | 31° | 4.8 mm | 1 | 61% | 68% | 38° | 4° |
Station: CULIACAN INTL, 9 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1973–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Culiacán climate questions
How much rain does Culiacán get?
Culiacán gets 294 mm of precipitation in an average year, over about 20 rainy days.
What is the wettest month in Culiacán?
August is the wettest month in Culiacán, with 105 mm. May is the driest, with 1 mm.
How many rainy days does Culiacán have a year?
Culiacán has about 20 days with measurable rain in an average year. August has the most, about 6.
What is the hottest month in Culiacán?
July is the warmest month in Culiacán, with an average high of 37°C.
What is the coldest month in Culiacán?
January is the coldest month in Culiacán, with an average low of 11°C.
What is the record high temperature in Culiacán?
Within the available 1973–2025 station history, the record high at the Culiacán station is 44°C, set on October 22, 2024. The record low is 1°C, on January 9, 1989.
What is the sunniest month in Culiacán?
October is the sunniest month in Culiacán, with estimated sunshine of 72% of daylight hours from ERA5 cloud cover. August is the cloudiest.