December weather forecastArroyo Seco, Mexico
December
Weather in December
December, the first month of the winter in Arroyo Seco, is also an agreeable month, with an average temperature fluctuating between 8.2°C (46.8°F) and 20.9°C (69.6°F).Temperature
With the start of December, Arroyo Seco measures an average high-temperature of a still pleasant 20.9°C (69.6°F), not significantly differing from November's 21.2°C (70.2°F). Arroyo Seco records a marked divergence from the day's high temperatures, with nights in December averaging at a frosty 8.2°C (46.8°F).Humidity
The average relative humidity in December in Arroyo Seco is 58%.Rainfall
The month with the least rainfall in Arroyo Seco is December, when the rain falls for 1.9 days and typically collects 2mm (0.08") of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 48min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 5:55 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:07 pm CST.
Sunshine
In December, the average sunshine is 9.6h.UV index
The months with the lowest UV index in Arroyo Seco are January, October through December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 4 suggests this advice:
Act with care - The need to guard against sun damage is communicated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arroyo Seco, Mexico
- Average high temperature in December: 20.9°C
The warmest month (with the highest average high temperature) is May (28°C).
The month with the lowest average high temperature is January (20.4°C).
- Average low temperature in December: 8.2°C
The month with the highest average low temperature is May (14.5°C).
The coldest month (with the lowest average low temperature) is January (7.2°C).
Average pressure in December
Arroyo Seco, Mexico
- Average pressure in December: 1017.8mbar
The month with the highest atmospheric pressure is January (1018.5mbar).
The month with the lowest atmospheric pressure is May (1013.7mbar).
Average wind speed in December
Arroyo Seco, Mexico
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is March (10.9km/h).
The calmest month (with the lowest average wind speed) is July (8.9km/h).
Average humidity in December
Arroyo Seco, Mexico
- Average humidity in December: 58%
The month with the highest relative humidity is September (76%).
The month with the lowest relative humidity is April (41%).
Average rainfall in December
Arroyo Seco, Mexico
- Average rainfall in December: 2mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is December (2mm).
Average rainfall days in December
Arroyo Seco, Mexico
- Average rainfall days in December: 1.9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is December (1.9 days).
Average daylight in December /
Average sunshine in December
Arroyo Seco, Mexico
- Average daylight in December: 10h and 48min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in December: 9h and 36min
The months with the most sunshine are March and May (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 8h and 42min).
Average sunshine days in December
Arroyo Seco, Mexico
- Average sunshine days in December: 27.2 days
The month with the most sunshine days is December (27.2 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in December
Arroyo Seco, Mexico
- Average UV index in December: 4
The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, October, November and December (UV index 4).
Average cloud cover in December
Arroyo Seco, Mexico
- Average cloud cover in December: 13
The months with the most cloud cover are July and September (Cloud cover 38).
The month with the least cloud cover is March (Cloud cover 12).
Average visibility in December
Arroyo Seco, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The month with the lowest visibility is August (8km).
