December weather forecast
Jalapa, Guatemala

December

Weather in December

December ushers in the year-end with a more temperate weather pattern. Notably, December sees a return to lower rainfall levels of nine millimeters, akin to those seen at the beginning of the year in January. Comparisons with November show a similar trend of low rainfall and reduced humidity, marking a shift back to milder conditions. The weather in December features clear skies, cooler temperatures, and low rainfall, typical of the winter season. Thus, Jalapa's weather in December wraps up the year with mild, dry conditions, setting the stage for the year ahead.

Temperature

As November transitions into December, Jalapa records an average high-temperature of a still pleasant 22.8°C (73°F), showing a gentle shift from the preceding month. During December, Jalapa records an average temperature of 12.4°C (54.3°F) at night.

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Jalapa, in December, it is raining for 7.5 days, with typically 9mm (0.35") of accumulated precipitation. Throughout the year, there are 231.3 rainfall days, and 1656mm (65.2") of precipitation is accumulated.

Daylight

With an average of 11h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:09 and sunset at 17:28. On the last day of the month, sunrise is at 06:24 and sunset at 17:41 CST.

Sunshine

In December, the average sunshine is 7.5h.

UV index

In Jalapa, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 5 in December translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the usual temperature for Jalapa in December?
The high-temperature, in December, in Jalapa, is 22.8°C (73°F), while the low-temperature averages to 12.4°C (54.3°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in April is computed to be 29°C (84.2°F).
What is the average humidity in December?
The average relative humidity in December is 79%.
How much does it rain in December?
In Jalapa, in December, it is raining for 7.5 days, with typically 9mm (0.35") of accumulated precipitation.
What is the month with the shortest days in Jalapa?
With an average of 11h and 18min of daylight, December has the shortest days of the year.
How many hours of daylight does Jalapa have in December?
In December, the average day length is 11h and 17min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 06:09 and sunset at 17:28. On the last day of the month, in Jalapa, sunrise is at 06:24 and sunset at 17:41 CST.
How long on average sun shines in December?
The average sunshine duration in December is 7.5h.
What is the UV index reading in December?
In December, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 - Jalapa, Guatemala
Average temperature in December
Jalapa, Guatemala
  • Average high temperature in December: 22.8°C

The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is October (22.5°C).

  • Average low temperature in December: 12.4°C

The month with the highest average low temperature is May (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).

Average pressure in December - Jalapa, Guatemala
Average pressure in December
Jalapa, Guatemala
  • Average pressure in December: 1014.8mbar

The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).

Average wind speed in December - Jalapa, Guatemala
Average wind speed in December
Jalapa, Guatemala
  • Average wind speed in December: 11.9km/h

The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is September (5.9km/h).

Average humidity in December - Jalapa, Guatemala
Average humidity in December
Jalapa, Guatemala
  • Average humidity in December: 79%

The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is March (69%).

Average rainfall in December - Jalapa, Guatemala
Average rainfall in December
Jalapa, Guatemala
  • Average rainfall in December: 9mm

The wettest month (with the highest rainfall) is May (285mm).
The driest month (with the least rainfall) is January (7mm).

Average rainfall days in December - Jalapa, Guatemala
Average rainfall days in December
Jalapa, Guatemala
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is September (28.7 days).
The month with the least rainy days is January (6.7 days).

Average daylight in December / Average sunshine in December - Jalapa, Guatemala
Average daylight in December /
Average sunshine in December
Jalapa, 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 3min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).

Average sunshine days in December - Jalapa, Guatemala
Average sunshine days in December
Jalapa, Guatemala
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (0.9 days).

Average UV index in December - Jalapa, Guatemala
Average UV index in December
Jalapa, Guatemala
  • Average UV index in December: 5

The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are August and October (UV index 4).

Average cloud cover in December - Jalapa, Guatemala
Average cloud cover in December
Jalapa, Guatemala
  • Average cloud cover in December: 28

The months with the most cloud cover are June and September (Cloud cover 59).
The months with the least cloud cover are January, February and March (Cloud cover 26).

Average visibility in December - Jalapa, Guatemala
Average visibility in December
Jalapa, Guatemala
  • Average visibility in December: 9km

The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).

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