December weather forecastOlinalá, Mexico
December
Weather in December
December, the first month of the winter in Olinalá, is still a warm month, with an average temperature ranging between max 25.5°C (77.9°F) and min 11.7°C (53.1°F).Temperature
Olinalá signifies an average high-temperature of a still warm 25.5°C (77.9°F) in December, closely mirroring the 25.4°C (77.7°F) of November. Despite high daytime temperatures, the average temperature lowers to a cool 11.7°C (53.1°F) during December nights.Humidity
In December, the average relative humidity is 69%.Rainfall
In December, the rain falls for 6.5 days. Throughout December, 25mm (0.98") of precipitation is accumulated. In Olinalá, during the entire year, the rain falls for 214.3 days and collects up to 1819mm (71.61") of precipitation.Daylight
December has the shortest days of the year in Olinalá, with an average of 11h and 6min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 5:58 pm. On the last day of December, sunrise is at 7:05 am and sunset at 6:10 pm CST.
Sunshine
February through April and December, with an average of 9.8h of sunshine, are months with the most sunshine.UV index
January, February, June through December, with an average maximum UV index of 5, are months with the lowest UV index in Olinalá. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 in December translates into these instructions:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Olinalá, Mexico
- Average high temperature in December: 25.5°C
The warmest month (with the highest average high temperature) is April (30.7°C).
The month with the lowest average high temperature is September (24.3°C).
- Average low temperature in December: 11.7°C
The months with the highest average low temperature are May and June (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.2°C).
Average pressure in December
Olinalá, Mexico
- Average pressure in December: 1014.5mbar
The month with the highest atmospheric pressure is January (1014.9mbar).
The month with the lowest atmospheric pressure is May (1012mbar).
Average wind speed in December
Olinalá, Mexico
- Average wind speed in December: 4.4km/h
The windiest month (with the highest average wind speed) is April (5.7km/h).
The calmest month (with the lowest average wind speed) is December (4.4km/h).
Average humidity in December
Olinalá, Mexico
- Average humidity in December: 69%
The month with the highest relative humidity is September (89%).
The month with the lowest relative humidity is April (54%).
Average rainfall in December
Olinalá, Mexico
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is September (309mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in December
Olinalá, Mexico
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is August (30.6 days).
The month with the least rainy days is December (6.5 days).
Average daylight in December /
Average sunshine in December
Olinalá, Mexico
- Average daylight in December: 11h and 6min
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 6min).
- Average sunshine in December: 9h and 48min
The months with the most sunshine are February, March, April and December (Average sunshine: 9h and 48min).
The month with the least sunshine is September (Average sunshine: 7h and 24min).
Average sunshine days in December
Olinalá, Mexico
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is December (23.2 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in December
Olinalá, Mexico
- Average UV index in December: 5
The months with the highest UV index are March, April and May (UV index 6).
The months with the lowest UV index are January, February, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Olinalá, Mexico
- Average cloud cover in December: 20
The month with the most cloud cover is September (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 13).
Average visibility in December
Olinalá, Mexico
- Average visibility in December: 9km
The months with the highest visibility are March and April (10km).
The month with the lowest visibility is September (6km).





