Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
San Mateo Rio Hondo's average high-temperature marks a still warm 27.6°C (81.7°F) with the advent of December, closely mirroring that of the preceding month. During the month of December, the nighttime temperature falls to an average of 20.6°C (69.1°F).Heat index
In December, the heat index is appraised at a tropical 30°C (86°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In December, the average relative humidity in San Mateo Rio Hondo is 68%.Rainfall
In San Mateo Rio Hondo, in December, during 4.8 rainfall days, 6mm (0.24") of precipitation is typically accumulated. In San Mateo Rio Hondo, during the entire year, the rain falls for 208.9 days and collects up to 1225mm (48.23") of precipitation.Daylight
The month with the shortest days in San Mateo Rio Hondo is December, with an average of 11h and 12min of daylight.On the first day of December, sunrise is at 6:38 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:04 pm CST.
Sunshine
In December, the average sunshine is 8.2h.UV index
January through March, May, June, August through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are December temperatures in San Mateo Rio Hondo?
What is the average humidity in December in San Mateo Rio Hondo?
How many days does it rain in December in San Mateo Rio Hondo?
What is the month with the shortest days in San Mateo Rio Hondo?
How many hours of daylight does San Mateo Rio Hondo have in December?
When is the sunrise / sunset in December in San Mateo Rio Hondo?
How many hours of sunshine does San Mateo Rio Hondo have in December?
When is the lowest UV index in San Mateo Rio Hondo?
What is the UV index reading in December in San Mateo Rio Hondo?
Average temperature in December
San Mateo Rio Hondo, Mexico
- Average high temperature in December: 27.6°C
The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is September (27.2°C).
- Average low temperature in December: 20.6°C
The month with the highest average low temperature is May (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.4°C).
Average pressure in December
San Mateo Rio Hondo, Mexico
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is January (1014.3mbar).
The month with the lowest atmospheric pressure is May (1011.3mbar).
Average wind speed in December
San Mateo Rio Hondo, Mexico
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is April (9.3km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).
Average humidity in December
San Mateo Rio Hondo, Mexico
- Average humidity in December: 68%
The month with the highest relative humidity is September (80%).
The months with the lowest relative humidity are January and March (64%).
Average rainfall in December
San Mateo Rio Hondo, Mexico
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is September (258mm).
The driest month (with the least rainfall) is January (4mm).
Average rainfall days in December
San Mateo Rio Hondo, Mexico
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is August (30.3 days).
The month with the least rainy days is February (3.4 days).
Average daylight in December /
Average sunshine in December
San Mateo Rio Hondo, Mexico
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in December: 8h and 1min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).
Average sunshine days in December
San Mateo Rio Hondo, Mexico
- Average sunshine days in December: 23.1 days
The month with the most sunshine days is January (24.8 days).
The months with the least sunshine days are August and September (0.1 days).
Average UV index in December
San Mateo Rio Hondo, Mexico
- Average UV index in December: 6
The months with the highest UV index are April and July (UV index 7).
The months with the lowest UV index are January, February, March, May, June, August, September, October, November and December (UV index 6).
Average cloud cover in December
San Mateo Rio Hondo, Mexico
- Average cloud cover in December: 9
The month with the most cloud cover is September (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 8).
Average visibility in December
San Mateo Rio Hondo, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
San Mateo Rio Hondo, Mexico
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