January weather forecast
Tulum, Mexico

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Rocks, trees, sandy beach, and clear waters surrounding the God of Winds Temple in Tulum, Mexico
Rocks, trees, sandy beach, and clear waters surrounding the God of Winds Temple in Tulum, Mexico

Weather in January

In Tulum, Mexico, the new year often starts off with both high humidity and a noticeable drop in temperature from December, particularly in the evenings. Even though it's the middle of winter, tourists find the weather pleasantly warm during the day. A notable characteristic of this month is the reduced hours of daylight, only 11.1 hours, with sunshine filling up 7.9 of these hours. Winds might be slightly higher in January, reaching 11.8km/h (7.3mph), compared to the following month. Extra layers may be required in the evenings due to the significant temperature range.

Temperature

January is Tulum's coldest month, registering average high temperatures of 26.7°C (80.1°F) and lows of 20.8°C (69.4°F).

Humidity

In January, the average relative humidity is 78%.

Rainfall

In Tulum, in January, it is raining for 17.4 days, with typically 49mm (1.93") of accumulated precipitation. Throughout the year, there are 210.8 rainfall days, and 810mm (31.89") of precipitation is accumulated.

Sea temperature

January through March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

In January, the average length of the day is 11h and 4min.
On the first day of the month, sunrise is at 7:25 am and sunset at 6:21 pm. On the last day of January, sunrise is at 7:25 am and sunset at 6:40 pm EST.

Sunshine

With an average of 7.9h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in January transforms into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice! The reflection of water and sand increases the UV radiation significantly.

Frequently asked questions

What month is the coldest?

Temperature records in Tulum mark January as the coldest month, with highs averaging 26.7°C (80.1°F) and lows at 20.8°C (69.4°F).

What are January temperatures in Tulum?

During January, Tulum experiences an average high-temperature of 26.7°C (80.1°F) and a low-temperature of 20.8°C (69.4°F).

What is the average humidity in January?

In Tulum, the average relative humidity in January is 78%.

How many days does it rain in January?

In Tulum, during January, the rain falls for 17.4 days and regularly aggregates up to 49mm (1.93") of precipitation.

When is the sea coldest?

January through March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.

What is the sea water temperature in January?

In Tulum, in January, the average water temperature is 26°C (78.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in January?

In Tulum, the average day length in January is 11h and 4min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:25 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 6:40 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 7.9h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 7.9h.

What are the months with the lowest UV index?

January, February, October through December, with an average maximum UV index of 6, are months with the lowest UV index.

What is the UV index intensity in January?

The average daily maximum UV index in January is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.

Average temperature in January
Tulum, Mexico

Average temperature in January - Tulum, Mexico
  • Average high temperature in January: 26.7°C

The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (26.7°C).

  • Average low temperature in January: 20.8°C

The month with the highest average low temperature is August (26°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).

Average pressure in January
Tulum, Mexico

Average pressure in January - Tulum, Mexico
  • Average pressure in January: 1017.4mbar

The month with the highest atmospheric pressure is January (1017.4mbar).
The month with the lowest atmospheric pressure is September (1012.3mbar).

Average wind speed in January
Tulum, Mexico

Average wind speed in January - Tulum, Mexico
  • Average wind speed in January: 11.8km/h

The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).

Average humidity in January
Tulum, Mexico

Average humidity in January - Tulum, Mexico
  • Average humidity in January: 78%

The months with the highest relative humidity are June and October (80%).
The month with the lowest relative humidity is March (73%).

Average rainfall in January
Tulum, Mexico

Average rainfall in January - Tulum, Mexico
  • Average rainfall in January: 49mm

The wettest month (with the highest rainfall) is June (139mm).
The driest month (with the least rainfall) is March (21mm).

Average rainfall days in January
Tulum, Mexico

Average rainfall days in January - Tulum, Mexico
  • Average rainfall days in January: 17.4 days

The month with the highest number of rainy days is September (23.2 days).
The month with the least rainy days is April (11.3 days).

Average sea temperature in January
Tulum, Mexico

Average sea temperature in January - Tulum, Mexico
  • Average sea temperature in January: 26°C

The best months for swimming (with the highest average sea temperature) are August, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (26°C).

Average daylight in January /
Average sunshine in January
Tulum, Mexico

Average daylight in January / Average sunshine in January - Tulum, Mexico
  • Average daylight in January: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in January: 7h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).

Average sunshine days in January
Tulum, Mexico

Average sunshine days in January - Tulum, Mexico
  • Average sunshine days in January: 10.1 days

The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is September (4.8 days).

Average UV index in January
Tulum, Mexico

Average UV index in January - Tulum, Mexico
  • Average UV index in January: 6

The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).

Average cloud cover in January
Tulum, Mexico

Average cloud cover in January - Tulum, Mexico
  • Average cloud cover in January: 38

The month with the most cloud cover is June (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in January
Tulum, Mexico

Average visibility in January - Tulum, Mexico
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (10km).
The month with the lowest visibility is October (9km).

Tulum, Mexico

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