December weather forecast
Cruzeiro da Fortaleza, Brazil

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Cruzeiro da Fortaleza, Brazil, with an average temperature varying between 26.1°C (79°F) and 18.5°C (65.3°F).

Temperature

Upon the onset of December, Cruzeiro da Fortaleza witnesses an average high-temperature of a still warm 26.1°C (79°F), showing a close resemblance to the prior month. In Cruzeiro da Fortaleza, December nights witness a steady temperature drop to an enjoyable 18.5°C (65.3°F).

Humidity

In December, the average relative humidity is 86%.

Rainfall

The month with the most rainfall is December, when the rain falls for 30 days and typically aggregates up to 245mm (9.65") of precipitation.

Daylight

With an average of 13h and 18min of daylight, December has the longest days of the year in Cruzeiro da Fortaleza.
On the first day of December in Cruzeiro da Fortaleza, sunrise is at 05:20 and sunset at 18:31. On the last day of the month, sunrise is at 05:32 and sunset at 18:47 -03.

Sunshine

In December, the average sunshine in Cruzeiro da Fortaleza is 6.8h.

UV index

January through July, October through December, with an average maximum UV index of 5, are months with the lowest UV index in Cruzeiro da Fortaleza. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 in December translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What are the temperatures in Cruzeiro da Fortaleza in December?
December temperatures vary between a high-temperature of 26.1°C (79°F) and a low-temperature of 18.5°C (65.3°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in October is appraised at 32°C (89.6°F).
What is the average humidity in December in Cruzeiro da Fortaleza?
The average relative humidity in December in Cruzeiro da Fortaleza, Brazil, is 86%.
What is the rainiest month in Cruzeiro da Fortaleza?
The month with the most rainfall in Cruzeiro da Fortaleza is December, when the rain falls for 30 days and typically aggregates up to 245mm (9.65") of precipitation.
How much does it rain in Cruzeiro da Fortaleza in December?
In Cruzeiro da Fortaleza, in December, during 30 rainfall days, 245mm (9.65") of precipitation is typically accumulated.
When are the longest days in Cruzeiro da Fortaleza?
The month with the longest days in Cruzeiro da Fortaleza, Brazil, is December, with an average of 13h and 18min of daylight.
How many hours of daylight does Cruzeiro da Fortaleza have in December?
In Cruzeiro da Fortaleza, Brazil, the average day length in December is 13h and 15min.
What time are sunrise and sunset in December in Cruzeiro da Fortaleza?
On the first day of December in Cruzeiro da Fortaleza, Brazil, sunrise is at 05:20 and sunset at 18:31. On the last day of the month, sunrise is at 05:32 and sunset at 18:47 -03.
How long on average sun shines in December in Cruzeiro da Fortaleza?
In December, the average sunshine duration in Cruzeiro da Fortaleza is 6.8h.
When is the lowest UV index in Cruzeiro da Fortaleza?
January through July, October through December, with an average maximum UV index of 5, are months with the lowest UV index in Cruzeiro da Fortaleza.
How high is the UV index in December in Cruzeiro da Fortaleza?
In Cruzeiro da Fortaleza, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Cruzeiro da Fortaleza, Brazil
  • Average high temperature in December: 26.1°C

The warmest month (with the highest average high temperature) is September (29.8°C).
The month with the lowest average high temperature is May (23.4°C).

  • Average low temperature in December: 18.5°C

The months with the highest average low temperature are October, November and December (18.5°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).

Average pressure in December
Cruzeiro da Fortaleza, Brazil
  • Average pressure in December: 1011.6mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in December
Cruzeiro da Fortaleza, Brazil
  • Average wind speed in December: 7.7km/h

The windiest months (with the highest average wind speed) are August and September (9.7km/h).
The calmest month (with the lowest average wind speed) is March (6.9km/h).

Average humidity in December
Cruzeiro da Fortaleza, Brazil
  • Average humidity in December: 86%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (51%).

Average rainfall in December
Cruzeiro da Fortaleza, Brazil
  • Average rainfall in December: 245mm

The wettest month (with the highest rainfall) is December (245mm).
The driest month (with the least rainfall) is August (6mm).

Average rainfall days in December
Cruzeiro da Fortaleza, Brazil
  • Average rainfall days in December: 30 days

The month with the highest number of rainy days is December (30 days).
The month with the least rainy days is August (3.4 days).

Average daylight in December /
Average sunshine in December
Cruzeiro da Fortaleza, Brazil
  • Average daylight in December: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in December: 6h and 5min

The months with the most sunshine are July and September (Average sunshine: 9h and 24min).
The month with the least sunshine is March (Average sunshine: 6h and 42min).

Average sunshine days in December
Cruzeiro da Fortaleza, Brazil
  • Average sunshine days in December: 1 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is December (1 days).

Average UV index in December
Cruzeiro da Fortaleza, Brazil
  • Average UV index in December: 5

The months with the highest UV index are August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 5).

Average cloud cover in December
Cruzeiro da Fortaleza, Brazil
  • Average cloud cover in December: 60

The month with the most cloud cover is March (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in December
Cruzeiro da Fortaleza, Brazil
  • Average visibility in December: 7km

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).

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