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
December
Weather in December
Temperature
December begins with an average high-temperature of a still moderately hot 25°C (77°F), reflecting close similarity to the preceding month. December nights report a substantial dip from daytime highs to an average of 12.5°C (54.5°F).Humidity
The average relative humidity in December in San Juan Epatlán is 54%.Rainfall
The month with the least rainfall is December, when the rain falls for 2.4 days and typically collects 3mm (0.12") of precipitation.Daylight
The month with the shortest days in San Juan Epatlán is December, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 5:55 pm. On the last day of December, in San Juan Epatlán, sunrise is at 7:05 am and sunset at 6:07 pm CST.
Sunshine
In San Juan Epatlán, the average sunshine in December is 8.8h.UV index
The months with the lowest UV index in San Juan Epatlán are January, June, August through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 in December translates into these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in San Juan Epatlán?
What is the average humidity in December in San Juan Epatlán?
What is the driest month in San Juan Epatlán?
How much does it rain in San Juan Epatlán in December?
What is the month with the shortest days in San Juan Epatlán?
How many hours of daylight does San Juan Epatlán have in December?
When are sunrise and sunset in December in San Juan Epatlán?
How long on average sun shines in December in San Juan Epatlán?
When is the lowest UV index in San Juan Epatlán?
How high is the UV index in December in San Juan Epatlán?
Average temperature in December
San Juan Epatlán, Mexico
- Average high temperature in December: 25°C
The warmest month (with the highest average high temperature) is April (30.8°C).
The month with the lowest average high temperature is January (24.7°C).
- Average low temperature in December: 12.5°C
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is January (12.3°C).
Average pressure in December
San Juan Epatlán, Mexico
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is January (1017.9mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in December
San Juan Epatlán, Mexico
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is September (5.2km/h).
Average humidity in December
San Juan Epatlán, Mexico
- Average humidity in December: 54%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (40%).
Average rainfall in December
San Juan Epatlán, Mexico
- Average rainfall in December: 3mm
The wettest month (with the highest rainfall) is June (213mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in December
San Juan Epatlán, Mexico
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is August (29.4 days).
The month with the least rainy days is December (2.4 days).
Average daylight in December /
Average sunshine in December
San Juan Epatlán, 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: 8h and 5min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in December
San Juan Epatlán, Mexico
- Average sunshine days in December: 26.8 days
The month with the most sunshine days is December (26.8 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in December
San Juan Epatlán, Mexico
- Average UV index in December: 5
The months with the highest UV index are February, March, April, May and July (UV index 6).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 5).
Average cloud cover in December
San Juan Epatlán, Mexico
- Average cloud cover in December: 9
The month with the most cloud cover is September (Cloud cover 37).
The month with the least cloud cover is December (Cloud cover 9).
Average visibility in December
San Juan Epatlán, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
