, with a rainy period from April to November and a dry period from December to March. Temperatures are high all year round, but especially from February to April, before the rains, when they can reach 38/39 °C (100/102 °F). From June to August, at the height of the rainy season, the temperatures drop a bit, but the humidity reaches the maximum values of the year.
The city is located in north-central Colombia, in the department of the same name, at 7 degrees north latitude. Beyond the Arauca River (a tributary of the Orinoco) lies the city of El Amparo de Apure, Venezuela.
The best time to visit Arauca is from December to March, since it is the dry season, with a preference for December and January because in February (but sometimes as early as mid-January) the temperature rises further.
. Here are the average temperatures.
January is generally a warm to hot month. The average temperature is of
27.5 °C, with a minimum of
21.6 °C and a maximum of
33.4 °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
35 °C.

Precipitation amounts to
13 mm, and all occurs in one day.
The day lasts on average 11 hours and 50 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 65%.
The average wind speed is of
6.9 kph.
February is generally a very hot month. The average temperature is of
28.5 °C, with a minimum of
22.1 °C and a maximum of
34.9 °C.

On the coldest nights of the month, the temperature usually drops to around
20 °C.

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

Precipitation amounts to
12 mm, distributed over 2 days.
The day lasts on average 11 hours and 55 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 58%.
The average wind speed is of
7 kph.
March, the hottest month of the year, is generally a very hot month. The average temperature is of
29.1 °C, with a minimum of
23.1 °C and a maximum of
35.1 °C.

On the coldest nights of the month, the temperature usually drops to around
20.5 °C.

On the warmest days of the month, the temperature usually reaches around
37.5 °C.

Precipitation amounts to
40 mm, distributed over 4 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 61%.
The average wind speed is of
6.7 kph.
April is generally a very hot, muggy month. The average temperature is of
28.2 °C, with a minimum of
23.3 °C and a maximum of
33.1 °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
36.5 °C.

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

There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
5.4 kph.
May is generally a warm to hot, muggy month. The average temperature is of
27.5 °C, with a minimum of
23.2 °C and a maximum of
31.9 °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
35 °C.

Precipitation amounts to
225 mm, distributed over 16 days.
The day lasts on average 12 hours and 30 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
4.3 kph.
June is generally a warm to hot, muggy month. The average temperature is of
26.7 °C, with a minimum of
23 °C and a maximum of
30.5 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C.

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

Precipitation amounts to
315 mm, distributed over 21 days.
The day lasts on average 12 hours and 30 minutes.

There are on average 4.5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is of
3.7 kph.
July, the least warm month of the year, is generally a warm to hot, muggy month. The average temperature is of
26.6 °C, with a minimum of
22.8 °C and a maximum of
30.3 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C.

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

Precipitation amounts to
305 mm, distributed over 20 days.
The day lasts on average 12 hours and 30 minutes.

There are on average 4.5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
4.4 kph.
August is generally a warm to hot, muggy month. The average temperature is of
27.1 °C, with a minimum of
23.1 °C and a maximum of
31.2 °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
34 °C.

Precipitation amounts to
235 mm, distributed over 19 days.
The day lasts on average 12 hours and 20 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
4.2 kph.
September is generally a warm to hot, muggy month. The average temperature is of
27.5 °C, with a minimum of
23 °C and a maximum of
32 °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
34.5 °C.

Precipitation amounts to
205 mm, distributed over 14 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
4 kph.
October is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
23.2 °C and a maximum of
32.2 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C.

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

Precipitation amounts to
185 mm, distributed over 13 days.
The day lasts on average 12 hours and 0 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
4 kph.
November is generally a warm to hot, muggy month. The average temperature is of
27.4 °C, with a minimum of
23.3 °C and a maximum of
31.6 °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
33.5 °C.

Precipitation amounts to
110 mm, distributed over 9 days.
The day lasts on average 11 hours and 50 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
4.1 kph.
December is generally a warm to hot, muggy month. The average temperature is of
27.5 °C, with a minimum of
22.7 °C and a maximum of
32.3 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C.

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

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

There are on average 8 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
5.7 kph.