To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 18°C (64°F) is normal. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. Despite it being one of the ‘colder’ months of the year (only January has a cooler average high temperature) you can still expect 23 of the 31 days of December to reach over 80F during the day, although none over 90F. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. Shortwave radiation includes visible light and ultraviolet radiation. This is peak season, but it is the best time to visit Cancun if you’re looking for some of the best weather. Rainy Season and Hurricanes . Read an overview of the climate. The weather in Cancun throughout January remains pleasant. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. This is perfect weather for getting out and about and more importantly, packing light layers, but it has the added positive of avoiding the even hotter temperatures found later in … From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. The lowest daily average high temperature is 81°F on January 14 . Weather data is prone to errors, outages, and other defects. For reference, on June 20, the longest day of the year, the Sun rises at 6:06 AM and sets 13 hours, 25 minutes later, at 7:31 PM, while on December 21, the shortest day of the year, it rises at 7:20 AM and sets 10 hours, 51 minutes later, at 6:11 PM. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Sea temperatures are about as low as they ever get although you will find that the ocean is likely to be quite a bit warmer than the hotel pool! The lowest chance of a muggy day during January is 65% on January 30. CANCUN RECORD TEMPERATURES. The weather in Cancun and its surroundings are always beautiful. January is smack in the middle of Cancun’s high (and dry) season, which kicks off in late November and goes through early March. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. The station records are corrected for the elevation difference between the station and CancÃºn according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. The figure below presents a compact representation of key lunar data for January 2020. The average hourly wind speed in CancÃºn is essentially constant during January, remaining within 0.1 miles per hour of 8.7 miles per hour throughout. For the correct totals, please visit WeatherBase Cancun ) With the sun shining on average between 240 and 253 days per year, Cancun is a year-round holiday destination, although certain times of year may be more favorable than others.  The tables below list the average temperatures in degrees Celsius and Fahrenheit for Mexico's cities in January. Northerly winds can often push cooler weather down from North America – these are known locally as ‘North Fronts’. in Cancún (Quintana Roo), Mexico. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). They can persist for a couple of days and may bring the temperature down to mid 50s on occasion. The chance that a given day will be muggy in CancÃºn is gradually decreasing during January, falling from 69% to 66% over the course of the month. One snag: Thousands upon thousands of other travelers have this same thought every year. The climate is tropical, an average temperature of 75 degrees Fahrenheit (24°C), which can rise to 84°F (29°C) in summer, the rainfall average is 1400 mm. In fact, Cancun weather in December tends to be very sunny, with temperatures ranging from 75 to 90 degrees Fahrenheit during the day. The percentage of time spent in various temperature bands. Temperatures in CancÃºn are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. The percentage of time spent at various humidity comfort levels, categorized by dew point. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Average cloud cover will be 70%. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32Â°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Get the forecast for today, tonight & tomorrow's weather for Cancún, Quintana Roo, Mexico. The average growing degree days accumulated over the course of January, with 25th to 75th and 10th to 90th percentile bands. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. The weather in January is absolutely glorious because it’s neither too hot nor too cold. For reference, on June 28, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 79%, while on February 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 77%. Sunrise 7:08 AM. 9 cm) of rain. Wife and I have been to Cancun in early January twice, and early February once.. Fabulous weather all the timeswe were there. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. For reference, the year's highest daily chance of a wet day is 52% on September 27, and its lowest chance is 12% on March 22. Sunset 6:04 PM. Cancún weather averages (imperial / metric) Dar es Salaam, Tanzania (8,720 miles away) is the far-away foreign place with temperatures most similar to CancÃºn (view comparison). There will be 14 days of rain with an average of 14.5mm rain on those days. For reference, on June 11, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 30, the least muggy day of the year, there are muggy conditions 65% of the time. High season means higher prices, and this is especially true from the week befo… 78 to 88 °F. How Hot Is Cancun In January? 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