December weather forecast
Pasaco, Guatemala

December

Weather in December

The first month of the winter, December, is also a moderately hot month in Pasaco, Guatemala, with an average temperature fluctuating between 18.1°C (64.6°F) and 29.3°C (84.7°F).

Temperature

November's transformation into December witnesses an average high-temperature of a still warm 29.3°C (84.7°F), noting a minor change from the preceding month. Pasaco witnesses a consistent average low-temperature of 18.1°C (64.6°F) throughout December.

Heat index

The heat index value during December is estimated at a tropical 34°C (93.2°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In December, the average relative humidity in Pasaco is 71%.

Rainfall

In Pasaco, in December, during 3 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Pasaco, Guatemala, during the entire year, the rain falls for 169.5 days and collects up to 865mm (34.06") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 18min of daylight.
On the first day of the month, sunrise is at 06:09 and sunset at 17:30. On the last day of December, sunrise is at 06:24 and sunset at 17:43 CST.

Sunshine

The months with the least sunshine are January and December, with an average of 7.7h of sunshine.

UV index

January, February, May through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 in December translates into these instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

Is it hot during December?
In December, the average high-temperature and low-temperature are 29.3°C (84.7°F) and 18.1°C (64.6°F) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in December is estimated at 34°C (93.2°F).
What is the average humidity in December in Pasaco?
The average relative humidity in December is 71%.
How many days does it rain in December?
In December, the rain falls for 3 days. Throughout December, 4mm (0.16") of precipitation is accumulated.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 11h and 18min of daylight.
What is the average length of the day in December?
In December, the average day length is 11h and 19min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 06:09 and sunset at 17:30. On the last day of the month, sunrise is at 06:24 and sunset at 17:43 CST.
What are the months with the least sunshine?
The months with the least sunshine are January and December, with an average of 7.7h of sunshine.
How long on average sun shines in December?
The average sunshine duration in December is 7.7h.
When is the lowest UV index in Pasaco?
January, February, May through December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index intensity in December?
The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
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 - Pasaco, Guatemala
Average temperature in December
Pasaco, Guatemala
  • Average high temperature in December: 29.3°C

The warmest month (with the highest average high temperature) is April (32.6°C).
The month with the lowest average high temperature is October (28.1°C).

  • Average low temperature in December: 18.1°C

The month with the highest average low temperature is May (21.7°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).

Average pressure in December - Pasaco, Guatemala
Average pressure in December
Pasaco, Guatemala
  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is January (1014.1mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).

Average wind speed in December - Pasaco, Guatemala
Average wind speed in December
Pasaco, Guatemala
  • Average wind speed in December: 9.4km/h

The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest months (with the lowest average wind speed) are June and September (5.2km/h).

Average humidity in December - Pasaco, Guatemala
Average humidity in December
Pasaco, Guatemala
  • Average humidity in December: 71%

The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is March (63%).

Average rainfall in December - Pasaco, Guatemala
Average rainfall in December
Pasaco, Guatemala
  • Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is October (162mm).
The driest month (with the least rainfall) is January (1mm).

Average rainfall days in December - Pasaco, Guatemala
Average rainfall days in December
Pasaco, Guatemala
  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is May (24.2 days).
The month with the least rainy days is January (1.8 days).

Average daylight in December / Average sunshine in December - Pasaco, Guatemala
Average daylight in December /
Average sunshine in December
Pasaco, Guatemala
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in December: 7h and 4min

The month with the most sunshine is April (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).

Average sunshine days in December - Pasaco, Guatemala
Average sunshine days in December
Pasaco, Guatemala
  • Average sunshine days in December: 27.5 days

The month with the most sunshine days is January (28.4 days).
The month with the least sunshine days is June (5.9 days).

Average UV index in December - Pasaco, Guatemala
Average UV index in December
Pasaco, Guatemala
  • Average UV index in December: 6

The months with the highest UV index are March and April (UV index 7).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 6).

Average cloud cover in December - Pasaco, Guatemala
Average cloud cover in December
Pasaco, Guatemala
  • Average cloud cover in December: 12

The months with the most cloud cover are June and September (Cloud cover 42).
The months with the least cloud cover are January and December (Cloud cover 12).

Average visibility in December - Pasaco, Guatemala
Average visibility in December
Pasaco, Guatemala
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are June, August, September and October (8km).

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