The city is located in the Community of Madrid, at almost 900 meters (2,950 feet) above sea level, and about 15 kilometers (9 miles) from the northern outskirts of the Spanish capital. The Manzanares River flows a short distance away. A few kilometers to the north is the Sierra de Guadarrama, with peaks that exceed 2,000 meters (6,500 feet) and partially protect the city (as well as Madrid) from the cold north winds.
of the coldest month (January) is of 5 °C (41 °F), that of the warmest months (July and August) is of 23.5 °C (75 °F).
, from December to February, is quite cold, with sunny days, but also rainy periods.
On the coldest nights of the year, the temperature generally drops to -5/-6 °C (21/23 °F), but during the coldest winters it can drop to lower values. In January 2005, the temperature dropped to -10 °C (14 °F).
, from June to August or mid-September, is hot and sunny. There can be torrid days, even though the air is dry, so the heat is more bearable.
On the hottest days of the year, the temperature typically reaches 37/38 °C (99/100 °F). The heat record is 40 °C (104 °F).
The sun often shines in summer, but there are many sunny days even in winter.
To visit Colmenar Viejo, you can choose the month of May and the period from mid-September to mid-October, although it can rain and it can get cold at night. Those who can stand the heat can even choose the summer.
. Here are the average temperatures.
January, the coldest month of the year, is generally a quite cold month. The average temperature is of
5 °C, with a minimum of
1.8 °C and a maximum of
8.2 °C.

On the coldest nights of the month, the temperature usually drops to around
-3.5 °C.

On the warmest days of the month, the temperature usually reaches around
14 °C.

Precipitation amounts to
50 mm, distributed over 6 days.
The day lasts on average 9 hours and 40 minutes.

There are on average 4.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
10 kph.
February is generally a quite cold month. The average temperature is of
6.1 °C, with a minimum of
2.3 °C and a maximum of
9.9 °C.

On the coldest nights of the month, the temperature usually drops to around
-3 °C.

On the warmest days of the month, the temperature usually reaches around
16 °C.

Precipitation amounts to
40 mm, distributed over 5 days.
The day lasts on average 10 hours and 40 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 69%.
The average wind speed is of
12 kph.
March is generally a mild month. The average temperature is of
9.2 °C, with a minimum of
4.7 °C and a maximum of
13.8 °C.

On the coldest nights of the month, the temperature usually drops to around
-1.5 °C.

On the warmest days of the month, the temperature usually reaches around
20.5 °C.

Precipitation amounts to
35 mm, distributed over 5 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 53% of the time.
The average humidity is 61%.
The average wind speed is of
12 kph.
April is generally a mild month. The average temperature is of
10.6 °C, with a minimum of
5.9 °C and a maximum of
15.3 °C.

On the coldest nights of the month, the temperature usually drops to around
0 °C.

On the warmest days of the month, the temperature usually reaches around
23 °C.

Precipitation amounts to
50 mm, distributed over 7 days.
The day lasts on average 13 hours and 25 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 60%.
The average wind speed is of
12 kph.
May is generally a very mild month. The average temperature is of
14.9 °C, with a minimum of
9.7 °C and a maximum of
20.1 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C.

On the warmest days of the month, the temperature usually reaches around
28 °C.

Precipitation amounts to
55 mm, distributed over 8 days.
The day lasts on average 14 hours and 30 minutes. So the days are long.

There are on average 8.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 56%.
The average wind speed is of
12 kph.
June is generally a warm month. The average temperature is of
20.1 °C, with a minimum of
14.2 °C and a maximum of
26 °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
32.5 °C.

Precipitation amounts to
30 mm, distributed over 4 days.
The day lasts on average 15 hours and 0 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.

There are on average 10 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 50%.
The average wind speed is of
11 kph.
July is generally a warm to hot month. The average temperature is of
23.6 °C, with a minimum of
17.3 °C and a maximum of
29.9 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C.

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

Precipitation amounts to
15 mm, distributed over 2 days.
The day lasts on average 14 hours and 40 minutes. So the days are long.

There are on average 11.5 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 42%.
The average wind speed is of
10 kph.
August, the warmest month of the year, is generally a warm to hot month. The average temperature is of
23.6 °C, with a minimum of
17.6 °C and a maximum of
29.7 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C.

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

Precipitation amounts to
15 mm, distributed over 2 days.
The day lasts on average 13 hours and 40 minutes.

There are on average 10.5 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 43%.
The average wind speed is of
10 kph.
September is generally a warm month. The average temperature is of
19 °C, with a minimum of
13.7 °C and a maximum of
24.3 °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
30.5 °C.

Precipitation amounts to
35 mm, distributed over 4 days.
The day lasts on average 12 hours and 25 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 53%.
The average wind speed is of
9 kph.
October is generally a mild month. The average temperature is of
13.6 °C, with a minimum of
9.5 °C and a maximum of
17.6 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C.

On the warmest days of the month, the temperature usually reaches around
24 °C.

Precipitation amounts to
75 mm, distributed over 7 days.
The day lasts on average 11 hours and 5 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 65%.
The average wind speed is of
10 kph.
November is generally a quite mild month. The average temperature is of
8.4 °C, with a minimum of
5 °C and a maximum of
11.8 °C.

On the coldest nights of the month, the temperature usually drops to around
-0.5 °C.

On the warmest days of the month, the temperature usually reaches around
18.5 °C.

Precipitation amounts to
80 mm, distributed over 7 days.
The day lasts on average 9 hours and 55 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
10 kph.
December is generally a quite cold month. The average temperature is of
5.6 °C, with a minimum of
2.6 °C and a maximum of
8.7 °C.

On the coldest nights of the month, the temperature usually drops to around
-2.5 °C.

On the warmest days of the month, the temperature usually reaches around
15 °C.

Precipitation amounts to
70 mm, distributed over 8 days.
The day lasts on average 9 hours and 20 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.

There are on average 4 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
11 kph.