December weather forecastChamil, Guatemala

December

Weather in December

December, the first month of the winter in Chamil, is still a pleasant month, with an average temperature varying between 13.3°C (55.9°F) and 21.5°C (70.7°F).

Temperature

Chamil experiences a recorded average high-temperature of a still pleasant 21.5°C (70.7°F) in December, closely aligned with November's 21.8°C (71.2°F). Chamil registers a consistent average low-temperature of 13.3°C (55.9°F) during December.

Humidity

In Chamil, the average relative humidity in December is 89%.

Rainfall

In December, in Chamil, the rain falls for 21.3 days. Throughout December, 78mm (3.07") of precipitation is accumulated. In Chamil, Guatemala, during the entire year, the rain falls for 297.8 days and collects up to 2530mm (99.61") of precipitation.

Daylight

With an average of 11h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:11 and sunset at 17:28. On the last day of the month, sunrise is at 06:27 and sunset at 17:41 CST.

Sunshine

In December, the average sunshine is 5.1h.

UV index

The months with the lowest UV index in Chamil are January, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 4 suggests these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

December temperatures in Chamil, Guatemala, vary between a high-temperature of 21.5°C (70.7°F) and a low-temperature of 13.3°C (55.9°F). In April, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 31°C (87.8°F).

In Chamil, Guatemala, the average relative humidity in December is 89%.

In Chamil, in December, during 21.3 rainfall days, 78mm (3.07") of precipitation is typically accumulated.

The month with the shortest days is December, with an average of 11h and 12min of daylight.

In Chamil, the average day length in December is 11h and 14min.

On the first day of December in Chamil, Guatemala, sunrise is at 06:11 and sunset at 17:28. On the last day of the month, sunrise is at 06:27 and sunset at 17:41 CST.

The average sunshine duration in December in Chamil is 5.1h.

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Chamil.

The average daily maximum UV index in December in Chamil, Guatemala, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chamil, Guatemala

  • Average high temperature in December: 21.5°C

The warmest month (with the highest average high temperature) is April (27.8°C).
The month with the lowest average high temperature is January (21.2°C).

  • Average low temperature in December: 13.3°C

The month with the highest average low temperature is June (17.6°C).
The coldest month (with the lowest average low temperature) is January (12.5°C).

Average pressure in December
Chamil, Guatemala

  • Average pressure in December: 1016.5mbar

The month with the highest atmospheric pressure is January (1017.3mbar).
The months with the lowest atmospheric pressure are May and September (1013mbar).

Average wind speed in December
Chamil, Guatemala

  • Average wind speed in December: 4.9km/h

The windiest months (with the highest average wind speed) are March and April (5.5km/h).
The calmest month (with the lowest average wind speed) is September (4.1km/h).

Average humidity in December
Chamil, Guatemala

  • Average humidity in December: 89%

The month with the highest relative humidity is November (91%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
Chamil, Guatemala

  • Average rainfall in December: 78mm

The wettest month (with the highest rainfall) is June (377mm).
The driest month (with the least rainfall) is February (71mm).

Average rainfall days in December
Chamil, Guatemala

  • Average rainfall days in December: 21.3 days

The month with the highest number of rainy days is September (29.4 days).
The month with the least rainy days is March (19.4 days).

Average daylight in December /
Average sunshine in December
Chamil, Guatemala

  • Average daylight in December: 11h and 12min

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 12min).

  • Average sunshine in December: 5h and 6min

The month with the most sunshine is April (Average sunshine: 10h and 12min).
The months with the least sunshine are January and November (Average sunshine: 4h and 42min).

Average sunshine days in December
Chamil, Guatemala

  • Average sunshine days in December: 5.9 days

The month with the most sunshine days is March (8.8 days).
The month with the least sunshine days is September (0.6 days).

Average UV index in December
Chamil, Guatemala

  • Average UV index in December: 4

The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).

Average cloud cover in December
Chamil, Guatemala

  • Average cloud cover in December: 67

The month with the most cloud cover is November (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 37).

Average visibility in December
Chamil, Guatemala

  • Average visibility in December: 6km

The month with the highest visibility is April (8km).
The months with the lowest visibility are January and November (5km).