, with a fairly warm winter from December to February and a long, hot and muggy summer from April to October, within which there is a rainy period from July to September.
The city is located in western Mexico, in the state of Sinaloa, at the 24th parallel (therefore a bit to the north of the Tropic of Cancer), and 50 km (30 mi) away from the sea (the southern part of the Gulf of California).
From June to November, but with a higher probability from August to October, Culiacán can be affected by
of the Pacific Ocean. Typically, cyclones arrive weakened, but sometimes they can bring heavy rains, as happened with Hurricane Waldo in October 1985, and with Hurricane Manuel in September 2013. However, hurricanes are rare in June, the month in which they are most frequent is September, and historically they have never occurred in November.
In winter, especially in January, at night the temperature can drop to around 5 °C (41 °F). From May to October, it can instead reach, and sometimes exceed, 40 °C (104 °F).
The relatively less sunny period is the rainy one, from July to September.
is a bit cool, while in summer it gets very warm.
The best time to visit Culiacán is from December to February, since it is a dry and not too hot period.
. Here are the average temperatures.
January, the coolest month of the year, is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
20.5 °C, with a minimum of
12.2 °C and a maximum of
28.7 °C.

On the coldest nights of the month, the temperature usually drops to around
7 °C.

On the warmest days of the month, the temperature usually reaches around
33 °C.

Precipitation amounts to
20 mm, distributed over 2 days.
The day lasts on average 10 hours and 50 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 61%.
The average wind speed is of
6.2 kph.

The average sea temperature is of
21.8 °C. Therefore, the sea is cool for swimming.
February is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
21 °C, with a minimum of
12.4 °C and a maximum of
29.5 °C.

On the coldest nights of the month, the temperature usually drops to around
7.5 °C.

On the warmest days of the month, the temperature usually reaches around
34 °C.

Precipitation amounts to
10 mm, and all occurs in one day.
The day lasts on average 11 hours and 20 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 60%.
The average wind speed is of
6.8 kph.

The average sea temperature is of
21.3 °C. Therefore, the sea is cool for swimming.
March is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
22.3 °C, with a minimum of
13.4 °C and a maximum of
31.2 °C.

On the coldest nights of the month, the temperature usually drops to around
9 °C.

On the warmest days of the month, the temperature usually reaches around
35 °C.

Precipitation amounts to only
5 mm, and all occurs in one day.
The day lasts on average 12 hours and 5 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 57%.
The average wind speed is of
7.4 kph.

The average sea temperature is of
21.7 °C. Therefore, the sea is cool for swimming.
April is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
24.3 °C, with a minimum of
15.5 °C and a maximum of
33.1 °C.

On the coldest nights of the month, the temperature usually drops to around
11 °C.

On the warmest days of the month, the temperature usually reaches around
36.5 °C.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 12 hours and 50 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 53%.
The average wind speed is of
8.4 kph.

The average sea temperature is of
23.2 °C. Therefore, the sea can be considered barely acceptable for swimming.
May is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
27.2 °C, with a minimum of
19.1 °C and a maximum of
35.3 °C.

On the coldest nights of the month, the temperature usually drops to around
14 °C.

On the warmest days of the month, the temperature usually reaches around
39 °C.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 13 hours and 25 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 52%.
The average wind speed is of
9 kph.

The average sea temperature is of
25.6 °C. Therefore, the sea is warm enough for swimming.
June is generally a very hot month. The average temperature is of
30.2 °C, with a minimum of
24.1 °C and a maximum of
36.2 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C.

On the warmest days of the month, the temperature usually reaches around
39.5 °C.

Precipitation amounts to
20 mm, distributed over 2 days.
The day lasts on average 13 hours and 40 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.

There are on average 7.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 58%.
The average wind speed is of
10.1 kph.

The average sea temperature is of
28.1 °C. Therefore, the sea is pleasantly warm and allows long swims.
July, the hottest month of the year, is generally a very hot month. The average temperature is of
30.8 °C, with a minimum of
25.2 °C and a maximum of
36.5 °C.

On the coldest nights of the month, the temperature usually drops to around
21.5 °C.

On the warmest days of the month, the temperature usually reaches around
40 °C.

Precipitation amounts to
165 mm, distributed over 14 days.
The day lasts on average 13 hours and 30 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 65%.
The average wind speed is of
9.1 kph.

The average sea temperature is of
29.8 °C. Therefore, the sea is pleasantly warm and allows long swims.
August is generally a very hot, muggy month. The average temperature is of
30.5 °C, with a minimum of
24.9 °C and a maximum of
36 °C.

On the coldest nights of the month, the temperature usually drops to around
21.5 °C.

On the warmest days of the month, the temperature usually reaches around
39.5 °C.

Precipitation amounts to
210 mm, distributed over 15 days.
The day lasts on average 12 hours and 55 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is of
7.5 kph.

The average sea temperature is of
30.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
September is generally a very hot, muggy month. The average temperature is of
30.1 °C, with a minimum of
24.8 °C and a maximum of
35.4 °C.

On the coldest nights of the month, the temperature usually drops to around
21.5 °C.

On the warmest days of the month, the temperature usually reaches around
38.5 °C.

Precipitation amounts to
140 mm, distributed over 11 days.
The day lasts on average 12 hours and 20 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
6.3 kph.

The average sea temperature is of
30.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
October is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of
29 °C, with a minimum of
22.3 °C and a maximum of
35.7 °C.

On the coldest nights of the month, the temperature usually drops to around
17 °C.

On the warmest days of the month, the temperature usually reaches around
39 °C.

Precipitation amounts to
50 mm, distributed over 3 days.
The day lasts on average 11 hours and 30 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 64%.
The average wind speed is of
6.6 kph.

The average sea temperature is of
29.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
November is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
25 °C, with a minimum of
17.3 °C and a maximum of
32.8 °C.

On the coldest nights of the month, the temperature usually drops to around
12 °C.

On the warmest days of the month, the temperature usually reaches around
37 °C.

Precipitation amounts to
20 mm, distributed over 2 days.
The day lasts on average 10 hours and 55 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 60%.
The average wind speed is of
6.4 kph.

The average sea temperature is of
26.7 °C. Therefore, the sea is pleasantly warm and allows long swims.
December is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
21.1 °C, with a minimum of
13.1 °C and a maximum of
29.1 °C.

On the coldest nights of the month, the temperature usually drops to around
8 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
25 mm, distributed over 2 days.
The day lasts on average 10 hours and 35 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.

There are on average 6 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 61%.
The average wind speed is of
5.9 kph.

The average sea temperature is of
23.6 °C. Therefore, the sea can be considered barely acceptable for swimming.