December weather forecast
Monjas, Guatemala

December

Weather in December

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

Temperature

Monjas, Guatemala, experiences an average high-temperature of a still warm 29.3°C (84.7°F) in December, marking an insignificant shift from 28.4°C (83.1°F) in November. Monjas in December anticipates an average nighttime temperature of 18.1°C (64.6°F).

Heat index

The average heat index in December is computed to be a hot 34°C (93.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In Monjas, in December, during 3 rainfall days, 4mm (0.16") of precipitation is typically accumulated. Throughout the year, in Monjas, there are 169.5 rainfall days, and 865mm (34.06") of precipitation is accumulated.

Daylight

The month with the shortest days in Monjas is December, with an average of 11h and 18min of daylight.
On the first day of the month, sunrise is at 06:08 and sunset at 17:28. On the last day of December, sunrise is at 06:24 and sunset at 17:41 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 reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 6 in December transforms into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

How hot does it get in Monjas in December?
In Monjas, in December, the average high-temperature is 29.3°C (84.7°F), and the average low-temperature is 18.1°C (64.6°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in December is computed to be 34°C (93.2°F).
What is the average humidity in December in Monjas?
The average relative humidity in December is 71%.
How much does it rain in Monjas in December?
In Monjas, Guatemala, in December, it is raining for 3 days, with typically 4mm (0.16") of accumulated precipitation.
What is the month with the shortest days in Monjas?
December has the shortest days of the year in Monjas, with an average of 11h and 18min of daylight.
How many hours of daylight does Monjas have in December?
In December, the average day length is 11h and 17min.
What time are sunrise and sunset in December in Monjas?
In December, on the first day of the month, sunrise is at 06:08 and sunset at 17:28. On the last day of the month, in Monjas, Guatemala, sunrise is at 06:24 and sunset at 17:41 CST.
What are the months with the least sunshine in Monjas?
The months with the least sunshine are January and December, with an average of 7.7h of sunshine.
How many hours of sunshine does Monjas have in December?
The average sunshine duration in December is 7.7h.
What is the month with the lowest UV index in Monjas?
The months with the lowest UV index in Monjas, Guatemala, are January, February, May through December, with an average maximum UV index of 6.
What is the UV index intensity in December in Monjas?
The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high 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
Monjas, 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
Monjas, 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
Monjas, 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
Monjas, 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
Monjas, 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
Monjas, 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
Monjas, Guatemala
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 13h and 0min).
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
Monjas, 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
Monjas, 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
Monjas, 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
Monjas, 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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