. Beyond the Rio Grande River is the Mexican city of Nuevo Laredo.
We are on the 27th parallel, not far from the Tropic, and indeed the hot season is very long.
of the coldest month (January) is of 14.2 °C (58 °F), that of the warmest month (August) is of 31.7 °C (89 °F).
amounts to 500 millimeters (19.7 inches) per year.
, from December to February, is very mild, though with sudden changes in temperature.
The sun shines quite often, although there are periods characterized by clouds, rain and wind.
There may be hot periods even in the middle of winter, with highs around 30 °C (86 °F).
, with highs below 10 °C (50 °F).
On the coldest days of the year, the temperature typically drops just below freezing, but once every few years there can be more intense cold spells. The record is -9.5 °C (15 °F), recorded in December 1989. In December 1983 and February 2021, the temperature dropped to -8 °C (17.5).
.
, from June to September, is very hot and quite sunny, although sometimes a thunderstorm can break out. There are long periods, sometimes whole months, with maximum temperatures around 40 °C (104 °F). It is often very hot even in May and October, and sometimes in late April. We are in the hottest part of Texas. The record is 45 °C (113 °F), recorded in June and in July 1998.
, coming from the Gulf of Mexico or the Pacific. In general, hurricanes weaken when they penetrate inland, however, they can still bring abundant rains. The hurricane season runs from June to November, although they are more likely from August to October, with a peak in September.
The best time to visit Laredo is from November to March. Winter, from December to February, is generally a mild season, although it can sometimes get cold (especially in December and January). You can therefore choose the months of March and November.
. Here are the average temperatures.
January, the coldest month of the year, is generally a mild month. The average temperature is of
14.2 °C, with a minimum of
8.2 °C and a maximum of
20.2 °C.

On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-3.9 °C in January 2017.

On the warmest days of the month, the temperature usually reaches around
30 °C. However, it reached
34.4 °C in January 2013.

Precipitation amounts to
20 mm, distributed over 5 days.
The day lasts on average 10 hours and 35 minutes.

There are on average 4.5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 62%.
The average wind speed is of
14.2 kph.
February is generally a very mild month. The average temperature is of
17.1 °C, with a minimum of
10.9 °C and a maximum of
23.3 °C.

On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-4 °C in February 2011.

On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
39.4 °C in February 2011.

Precipitation amounts to
15 mm, distributed over 5 days.
The day lasts on average 11 hours and 20 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 60%.
The average wind speed is of
15.4 kph.
March is generally a warm month. The average temperature is of
20.9 °C, with a minimum of
14.6 °C and a maximum of
27.1 °C.

On the coldest nights of the month, the temperature usually drops to around
5 °C. However, it dropped to
-0.6 °C in March 1996.

On the warmest days of the month, the temperature usually reaches around
35.5 °C. However, it reached
40.5 °C in March 2008.

Precipitation amounts to
35 mm, distributed over 5 days.
The day lasts on average 12 hours and 0 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 57%.
The average wind speed is of
17.9 kph.
April is generally a warm to hot month. The average temperature is of
24.8 °C, with a minimum of
18.3 °C and a maximum of
31.3 °C.

On the coldest nights of the month, the temperature usually drops to around
10 °C. However, it dropped to
4 °C in April 2007.

On the warmest days of the month, the temperature usually reaches around
38.5 °C. However, it reached
43.8 °C in April 2011.

Precipitation amounts to
35 mm, distributed over 4 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 49% of the time.
The average humidity is 55%.
The average wind speed is of
19.1 kph.
May is generally a very hot month. The average temperature is of
28.2 °C, with a minimum of
21.9 °C and a maximum of
34.5 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C. However, it dropped to
11.1 °C in May 2015.

On the warmest days of the month, the temperature usually reaches around
40 °C. However, it reached
44.4 °C in May 2011.

Precipitation amounts to
70 mm, distributed over 5 days.
The day lasts on average 13 hours and 30 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 59%.
The average wind speed is of
19.9 kph.
June is generally a very hot month. The average temperature is of
30.9 °C, with a minimum of
24.6 °C and a maximum of
37.2 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C. However, it dropped to
18.3 °C in June 2015.

On the warmest days of the month, the temperature usually reaches around
41 °C. However, it reached
45 °C in June 1998.

Precipitation amounts to
45 mm, distributed over 5 days.
The day lasts on average 13 hours and 55 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.

There are on average 8.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 56%.
The average wind speed is of
20.4 kph.
July is generally a very hot month. The average temperature is of
31.5 °C, with a minimum of
25.1 °C and a maximum of
37.9 °C.

On the coldest nights of the month, the temperature usually drops to around
22.5 °C. However, it dropped to
20 °C in July 2019.

On the warmest days of the month, the temperature usually reaches around
41 °C. However, it reached
44.9 °C in July 1998.

Precipitation amounts to
45 mm, distributed over 4 days.
The day lasts on average 13 hours and 40 minutes.

There are on average 9 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 55%.
The average wind speed is of
20.7 kph.
August, the hottest month of the year, is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of
31.7 °C, with a minimum of
25.2 °C and a maximum of
38.2 °C.

On the coldest nights of the month, the temperature usually drops to around
22.5 °C. However, it dropped to
20 °C in August 1992.

On the warmest days of the month, the temperature usually reaches around
41 °C. However, it reached
43.3 °C in August 2009.

Precipitation amounts to
40 mm, distributed over 4 days.
The day lasts on average 13 hours and 5 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 54%.
The average wind speed is of
18.8 kph.
September is generally a very hot month. The average temperature is of
28.7 °C, with a minimum of
22.8 °C and a maximum of
34.5 °C.

On the coldest nights of the month, the temperature usually drops to around
17 °C. However, it dropped to
11.6 °C in September 1995.

On the warmest days of the month, the temperature usually reaches around
39 °C. However, it reached
43.6 °C in September 2000.

Precipitation amounts to
100 mm, distributed over 8 days.
The day lasts on average 12 hours and 20 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 62%.
The average wind speed is of
15.2 kph.
October is generally a warm to hot month. The average temperature is of
24.7 °C, with a minimum of
18.8 °C and a maximum of
30.6 °C.

On the coldest nights of the month, the temperature usually drops to around
8.5 °C. However, it dropped to
1.6 °C in October 1993.

On the warmest days of the month, the temperature usually reaches around
36.5 °C. However, it reached
39.4 °C in October 2012.

Precipitation amounts to
40 mm, distributed over 4 days.
The day lasts on average 11 hours and 30 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 60%.
The average wind speed is of
15.5 kph.
November is generally a warm month. The average temperature is of
18.9 °C, with a minimum of
13.1 °C and a maximum of
24.7 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
-1.7 °C in November 1993.

On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
35 °C in November 2010.

Precipitation amounts to
25 mm, distributed over 4 days.
The day lasts on average 10 hours and 50 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 62%.
The average wind speed is of
14.6 kph.
December is generally a very mild month. The average temperature is of
14.7 °C, with a minimum of
8.9 °C and a maximum of
20.5 °C.

On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-5.2 °C in December 1997.

On the warmest days of the month, the temperature usually reaches around
30 °C. However, it reached
35 °C in December 2019.

Precipitation amounts to
25 mm, distributed over 6 days.
The day lasts on average 10 hours and 25 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.

There are on average 4.5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 63%.
The average wind speed is of
13.8 kph.