December weather forecastDelta, Mexico
December
Weather in December
December, the first month of the winter in Delta, is still a refreshing month, with temperature in the range of an average high of 19.5°C (67.1°F) and an average low of 10.3°C (50.5°F).Temperature
December, marked by an average high-temperature of 19.5°C (67.1°F) and a low-temperature of 10.3°C (50.5°F), is the coldest month.Humidity
The most humid month is December, with an average relative humidity of 38%.Rainfall
In Delta, in December, during 2.6 rainfall days, 7mm (0.28") of precipitation is typically accumulated. In Delta, during the entire year, the rain falls for 30 days and collects up to 69mm (2.72") of precipitation.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Delta.On the first day of December, sunrise is at 6:24 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 4:46 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 7.1h of sunshine.UV index
With an average maximum UV index of 4, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, a daily maximum UV index of 4 leads to the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Delta, Mexico
- Average high temperature in December: 19.5°C
The warmest month (with the highest average high temperature) is July (41.2°C).
The month with the lowest average high temperature is December (19.5°C).
- Average low temperature in December: 10.3°C
The month with the highest average low temperature is August (30.1°C).
The coldest month (with the lowest average low temperature) is December (10.3°C).
Average pressure in December
Delta, Mexico
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is January (1018.2mbar).
The month with the lowest atmospheric pressure is June (1007.4mbar).
Average wind speed in December
Delta, Mexico
- Average wind speed in December: 11.4km/h
The windiest month (with the highest average wind speed) is July (13.5km/h).
The calmest month (with the lowest average wind speed) is November (10.9km/h).
Average humidity in December
Delta, Mexico
- Average humidity in December: 38%
The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (23%).
Average rainfall in December
Delta, Mexico
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is July (11mm).
The driest months (with the least rainfall) are May and June (1mm).
Average rainfall days in December
Delta, Mexico
- Average rainfall days in December: 2.6 days
The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is May (0.7 days).
Average daylight in December /
Average sunshine in December
Delta, Mexico
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 7h and 6min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in December
Delta, Mexico
- Average sunshine days in December: 28.2 days
The month with the most sunshine days is May (30 days).
The month with the least sunshine days is July (23.4 days).
Average UV index in December
Delta, Mexico
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Delta, Mexico
- Average cloud cover in December: 18
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Delta, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





