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Current Weather and Sea Conditions

Being a tropical climate, Cozumel weather is warm and sunny with mild temperatures most of the time and humidity fluctuating throughout the year depending on the rainfall. Since weather conditions remain mild throughout the year without real extreme temperature fluctuations, this makes Cozumel an excellent vacation destination year round. The rains Cozumel experiences are warm, tropical rains which typically only last a few minutes and then the sun breaks out again without much interruption to daily activities.

If you are a scuba diver, you've heard it all before but diving the waters of Cozumel really is exceptional and breathtaking and the dives sites look different even if you return to the same spot in the same week. Variations in sea conditions as well as the weather will cause the reefs to appear different mainly because the amount of light that can penetrate to the depth of the reef varies. Clouds and rain will obscure sunlight so not much light will penetrate through the water to illuminate the reefs. But with the brilliant sunlight Cozumel enjoys most days of the year, the vibrant colors of the reefs come alive and provide quite a show for divers and snorkelers alike.

Since "insiders" live here on the island and dive and/or snorkel several times each week, this weather and sea conditions information is about as accurate as you will get with regard to dive conditions on an ongoing basis. Enjoy and come dive with us soon!



Cozumel Weather Conditions for
Topside: Sunny with Clouds
Winds: Light & Fresh Breeze
Avg. Daytime Temp: 88 F
Avg. Nighttime Temp: 75 F
Water Surface: Calm With Cats Paws
Water Temp: 80 F
Underwater Visibility: 150 feet
Port Status: Open for All Watercraft and Activities


Cozumel Monthly Temperature & Rainfall Averages
Daily Temp Averages Daily Sunlight Rainfall RainfallSea/Water
DayNight Hour Avgs Inches # of Days Temps
January82F / 28C68F / 20C 7 3.8 9.0 81F / 27C
February84F / 29C68F / 20C 8 4.8 6.5 79F / 26C
March85F / 29C68F / 20C 10 2.0 3.579F / 26C
April87F / 31C72F / 22C 10 6.8 3.581F / 27C
May86F / 30C73F / 23C 11 8.2 7.082F / 28C
June87F / 31C74F / 23C 10 14.9 12.582F / 28C
July87F / 31C74F / 23C 10 5.7 12.082F / 28C
August89F / 32C74F / 23C 10 4.8 13.0 84F / 29C
September87F / 31C74F / 23C 9 14.2 16.0 84F / 29C
October86F / 30C73F / 23C 8 3.7 16.0 82F / 28C
November83F / 28C71F / 22C 8 3.5 11.0 82F / 28C
December82F / 28C68F / 20C 8 2.5 10.0 81F / 27C


Any time is a good time to visit Cozumel ~ there are no really bad times of year weather-wise in Cozumel! That's the great thing about this island tropical setting ... it's never bad as compared to other places further north! But, with regard to dive conditions etc. here are a few guidelines to determine if you would be happy/comfortable diving during these time frames:
  • March - June: (Spring/Summer) Seas are usually flat, skies sunny ... alot of "no cloud" days, water temp 79-81 and viz from 100 - 300+ depending on if the island gets any rains. These months riding on the boat is pleasantly warm because humidity is less and alot of sunscreen is needed.

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    July - October: (Rainy Season) Seas are usually flat, skies are more cloudy and rain comes/goes throughout the day with no real rhyme or reason so it's very humid [70%+] as well as warm. Water temp will be 80-84 and 300+ viz if the rains are scattered. This is also part of our hurricane/tropical storm time .... if these roll thru ~ all bets are off on water conditions obviously!! However, with that said this is also a great time to be here diving if there is no "weather"... Fewer divers, fewer people in general.

  • November -February: (Winter) Seas will be lightly choppy, most days it will be sunny with skies partly cloudy and water temps will go from 84 down to 78-80 range. Viz will be very good generally. During winter we get "nortes" that blow in from time to time and shut down diving for 2-3 days. Also, the boat rides can be chilly for sometimes there are low north winds and diving goes on.
These conditions only affect personal comfort so each person must decide what they are willing to tolerate what nature has to offer ~ As far as critters go ... they are here no matter what the weather although divers are more likely to see larger stuff during the winter months when the deep water is cooler ... especially the spotted eagle rays!

Just become a frequent visitor and you'll see that any day diving beats being somewhere else no matter the time of year!!

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Personal Experiences
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This was by far THE most fun we have had on an excursion! The snuba experience was one in a million! These folks know how to treat you right! We had a blast on the boat! Jose, Juan, Eduardo and one more guy...can't think of his name... our hats off to you for making our day a blast! Watch out for those Tequila shots!! Thanks for a fantastic memory! Lynn V. ~ Shreveport Louisiana

My daughter, 13 did the dolphin swim and it was the best time of her life.. up close and personal with scarlet.. the pictures were beautiful and the video wonderful.. this was a once in a life time event that she will remember for her entire life... well worth the 99.00 and the additional 75.00 for pics and video coverage.. if you can afford to do this, this is not to be missed.. it was the highlight of the entire vacation... go and have fun, well worth the cost and a lot of fun to be had. WONDERFUL TIME....
Monica Beach and katie Richards Monica Beach ~ Ocala, Florida

Ladies --- I just wanted to thank you so much for helping us with the island tour and the sea trek helment diving ------- both were awesome!

Our tour guide was Humberto ----- great guy --- he sang for us !!!!!!!! He has been to Nashville, TN before ---- he was so knowledgable and so nice.

We ran a little late for the sea trek ---- but they took us right in. They too were great -- that was one of the coolest water activities we have ever done. Yes --- we bought the video and pictures ------ we just loved it. Did not have time to snorkel with Mario -- we feard we'd miss the ship -----

but we did not --- taxi took us quickly to the ship as soon as the sea trek was over.

I don't know a lot of travelers -- but I would recommend anybody using Yaxkin as a tour company --- as well as the guys at Sea Trek.

You ladies were great ----

Thanks again !!!!!!!!!!!!!!!!!! Tressa Bush ~ Tennessee

Thank you so much for all of your time, help, and information. I really appreciate how easy you have made this process...you're great!

Thanks again!

Tye T. Johnson ~ Alton, IL

What a great Experience!!! We booked our excursions through this website with a slight bit of apprehension. We figured it would be safer to book through our cruise ship since this was our first time going to Cozumel. Boy am I so thankful we didn't. Our cruise ship (which we thoroughly enjoyed) had many excursions organized with tons of people in each excursion. By booking through Cozumel Insider we were definitely given smaller groups to be with. We did the Atlantis Submarine excursion that we booked and payed 79 dollars for BOTH my wife and I. It was 89 PER PERSON on our Carnival Cruise ship. We saved almost 100 dollars right there!!! Next year we will definitely book through Cozumelinsider, we will recommend this company to all our friends, Dr. Marvin Carson ~ Tullahoma, Tennessee


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