December weather forecastSiquinala, Guatemala
December
Weather in December
December, the first month of the winter in Siquinala, is still a warm month, with an average temperature ranging between max 28.6°C (83.5°F) and min 17.3°C (63.1°F).Temperature
December notes an average high-temperature of a still warm 28.6°C (83.5°F), subtly differing from November's 28.2°C (82.8°F). December nights observe an average temperature dip to an enjoyable 17.3°C (63.1°F).Heat index
December's heat index is estimated at a hot 31°C (87.8°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The average relative humidity in December in Siquinala is 67%.Rainfall
In Siquinala, Guatemala, in December, it is raining for 6.7 days, with typically 6mm (0.24") of accumulated precipitation. In Siquinala, during the entire year, the rain falls for 228.7 days and collects up to 1368mm (53.86") of precipitation.Daylight
The month with the shortest days in Siquinala is December, with an average of 11h and 18min of daylight.On the first day of the month, sunrise is at 06:12 and sunset at 17:33. On the last day of December, sunrise is at 06:28 and sunset at 17:46 CST.
Sunshine
The month with the least sunshine in Siquinala is December, with an average of 7.6h of sunshine.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 6 suggests these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siquinala, Guatemala
- Average high temperature in December: 28.6°C
The warmest month (with the highest average high temperature) is March (30.6°C).
The month with the lowest average high temperature is October (27.1°C).
- Average low temperature in December: 17.3°C
The month with the highest average low temperature is May (20.7°C).
The coldest month (with the lowest average low temperature) is January (17.2°C).
Average pressure in December
Siquinala, Guatemala
- Average pressure in December: 1014mbar
The month with the highest atmospheric pressure is January (1014.6mbar).
The months with the lowest atmospheric pressure are May and October (1012.2mbar).
Average wind speed in December
Siquinala, Guatemala
- Average wind speed in December: 8.7km/h
The windiest month (with the highest average wind speed) is January (9.3km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).
Average humidity in December
Siquinala, Guatemala
- Average humidity in December: 67%
The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is March (61%).
Average rainfall in December
Siquinala, Guatemala
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is June (240mm).
The driest month (with the least rainfall) is January (4mm).
Average rainfall days in December
Siquinala, Guatemala
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is September (29.4 days).
The month with the least rainy days is January (4.3 days).
Average daylight in December /
Average sunshine in December
Siquinala, Guatemala
- Average daylight in December: 11h and 18min
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 36min
The month with the most sunshine is April (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in December
Siquinala, Guatemala
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (0.3 days).
Average UV index in December
Siquinala, Guatemala
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Siquinala, Guatemala
- Average cloud cover in December: 11
The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are January and December (Cloud cover 11).
Average visibility in December
Siquinala, Guatemala
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).





