December weather forecastAmatitlán, Mexico
December
Weather in December
The first month of the winter, December, is still a warm month in Amatitlán, Mexico, with an average temperature varying between 26°C (78.8°F) and 18.4°C (65.1°F).Temperature
December begins with an average high-temperature of a still warm 26°C (78.8°F), reflecting close similarity to the preceding month. During December, the average low-temperature in Amatitlán is a comfortable 18.4°C (65.1°F).Humidity
The months with the highest humidity in Amatitlán are September through December, with an average relative humidity of 84%.Rainfall
In Amatitlán, in December, during 10.9 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, in Amatitlán, there are 208.1 rainfall days, and 905mm (35.63") of precipitation is accumulated.Daylight
December has the shortest days of the year in Amatitlán, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 6:39 am and sunset at 5:45 pm. On the last day of December, in Amatitlán, Mexico, sunrise is at 6:54 am and sunset at 5:57 pm CST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Amatitlán.UV index
In December, the average daily maximum UV index in Amatitlán, Mexico, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Amatitlán, Mexico
- Average high temperature in December: 26°C
The warmest month (with the highest average high temperature) is May (36°C).
The month with the lowest average high temperature is January (25°C).
- Average low temperature in December: 18.4°C
The month with the highest average low temperature is May (24.2°C).
The coldest month (with the lowest average low temperature) is January (17.1°C).
Average pressure in December
Amatitlán, Mexico
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1012.2mbar).
Average wind speed in December
Amatitlán, Mexico
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is April (9.1km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in December
Amatitlán, Mexico
- Average humidity in December: 84%
The months with the highest relative humidity are September, October, November and December (84%).
The month with the lowest relative humidity is May (64%).
Average rainfall in December
Amatitlán, Mexico
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is September (156mm).
The driest month (with the least rainfall) is March (18mm).
Average rainfall days in December
Amatitlán, Mexico
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is September (27.2 days).
The month with the least rainy days is February (9.9 days).
Average daylight in December /
Average sunshine in December
Amatitlán, Mexico
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Amatitlán, Mexico
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is September (2.2 days).
Average UV index in December
Amatitlán, Mexico
- Average UV index in December: 6
The months with the highest UV index are March, April, May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in December
Amatitlán, Mexico
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is April (Cloud cover 24).
Average visibility in December
Amatitlán, Mexico
- Average visibility in December: 8km
The months with the highest visibility are April and May (10km).
The months with the lowest visibility are January, February, July, August, September, October, November and December (8km).
