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Cancun Weather School (includes surrounding areas).

TEXT VERSION
The following weather information is averaged for the following areas:
Cancun, the Riviera Maya, Playa del Carmen, Akumal, Cozumel, Isla Mujeres, Puerto Aventuras, Puerto Morelos, Tulum, Tankah, and this entire tourist area.
This information is based on averages and may not represent the weather during your visit.

From November to May we recommend packing a sweater or sweatshirt.
With the ocean breeze, evenings can feel a little cool.

January
• Average high temperature is 80 to 85° f. (27 to 29° c.).
• Average low temperature is 61 to 66° f. (16 to 19° c.).
• Water temperature at this time of year is around 78°f . (26°c.).

• Average total rainfall: Under 2" (50mm) . • Average rainfall each rainy day: About 0.35 (5mm) ".
• Average # of rainy days: About 9. • Least # of rainy days: 2. • Greatest # of rainy days: 9.
• How rain could affect your trip: January often brings light showers off-and-on throughout the day. We personally don't think the threat of rain should be a major concern if planning a January vacation.

•Average daytime high humidity: 94%. • Average nightime low humidity: 58%.
•Average wind 6mph (10kph / 5knots) with gusts to 15mph (24kph / 13knots) .

February
• Average highs: 80 to 85° f. (27 to 29° c.)
• Average lows: 63 to 68° f. (17 to 20° c.)
• Water temperature at this time of year is around 79°f. (26°c.)

• Average total rainfall: Under 2" (50mm) . • Average rainfall each rainy day: 0.5" (13mm).
• Average # of rainy days: About 4. • Least # of rainy days: 2. • Greatest # of rainy days: 7.
• How rain could affect your trip: Rainfall in February is erratic, but you typically don't get downpours. The most common type of rain brings a cloudy day with off-and-on showers. In some cases there have been several days in a row, and there was one year when 6 days in a row were like this.
We personally have had great weather during each of our February trips.

•Average daytime high humidity: 95%. • Average nightime low humidity: 58%.
•Average wind 6mph (10kph / 5knots) with gusts to 17mph (27kph/ 15knots).

March
• Average highs: 83 to 88° f. (28 to 31° c.).
• Average lows: 66 to 71° f. (19 to 22° c.)
• Water temperature at this time of year is around 80°f . (27°c.).

• Average total rainfall: Under 1" (25mm). • Average rainfall each rainy day: 0.25" (6mm).
• Average # of rainy days: About 4. • Least # of rainy days: 2. • Greatest # of rainy days: 8.
• How rain could affect your trip: Rains in March seem to be evenly spaced throughout the month. You may see 1 day of rain during your vacation, but it is usually light showers that won't affect your entire day.

•Average daytime high humidity: 94%. • Average nightime low humidity: 56%.
•Average wind 7mph (11kph / 6knots) with gusts to 17mph (27kph / 15knots).

April
• Average highs: 86 to 91° f. (30 to 33° c.).
• Average lows: 68 to 73° f. (20 to 23° c.).
• Water temperature at this time of year is around 81°f. (27°c.).

• Average total rainfall: Under 1" (25mm). • Average rainfall each rainy day: 0.25" (6mm).
• Average # of rainy days: About 4. • Least # of rainy days: 2. • Greatest # of rainy days: 6.
• How rain could affect your trip: Most rainfall here is in the form of showers. Most tourists will have mainly sunshine during an April vacation.

•Average daytime high humidity: 92%. • Average nightime low humidity: 54%.
•Average wind 7mph (11kph / 6knots) with gusts to 18mph (29kph / 16knots).

May
• Average highs: 86 to 91° f. (30 to 33° c.).
• Average lows: 73 to 78° f. (23 to 26° c.).
• Water temperature at this time of year is around 82°f (28°c.)--it feels great!

• Average total rainfall: About 3" (75mm). • Average rainfall each rainy day: 0.5" (13mm).
• Average # of rainy days: About 6. • Least # of rainy days: 3. • Greatest # of rainy days: 10.
• How rain could affect your trip: The seasons are changing, and with it, the weather.
In May, things become very inconsistent.
In 2005 there were 5 days of rain spaced throughout the month; 4 of these were thunderstorms.
In 2002 there were 6 days of rain; 4 of them during a 1 week period. the only positive is that it came mainly in the form of showers.
In 2004 and 2005 the rain was spaced evenly throughout the month, so everyone seemed to get about 1 day of showers during their vacation.

•Average daytime high humidity: 92%. • Average nightime low humidity: 58%.
•Average wind 7mph (11kph / 6knots) with gusts to 17mph (27kph / 15knots).

June
• Average highs: 86 to 91° f. (30 to 33° c.).
• Average lows: 74 to 79° f. (23 to 26° c.).
• Water temperature at this time of year is around 83°f. (28°c.)--it feels great!

• Average total rainfall: About 6" (150mm). • Average rainfall each rainy day: 0.5" (13mm).
• Average # of rainy days: About 12. • Least # of rainy days: 4. • Greatest # of rainy days: 17.
• How rain could affect your trip: With an average of 12 days of rain, you're almost sure to get a rainy day, or at least a rainy afternoon. We've taken dozens of trips during June, and had good luck except for one trip, when it rained almost the entire 7 days.

•Average daytime high humidity: 96%. • Average nightime low humidity: 64%.
•Average wind 7mph (11kph / 6knots) with gusts to 18mph (29kph / 16knots).

July
• Average highs: 90 to 95° f. (32 to 35° c.).
• Average lows: 74 to 79° f. (23 to 26° c.).
• Water temperature at this time of year is around 84°f. (29°c.)--like a warm bath!

• Average total rainfall: About 4" (100mm). • Average rainfall each rainy day: 0.5" (13mm).
• Average # of rainy days: About 8. • Least # of rainy days: 2. • Greatest # of rainy days: 9.
• How rain could affect your trip: Most June rains take place in the afternoon or evening and probably won't affect your vacation much.

•Average daytime high humidity: 98%. • Average nightime low humidity: 63%.
•Average wind 5mph (8kph / 4knots) with gusts to 16mph (26kph / 14knots).

August
• Average highs: 90 to 95° f. (32 to 35° c.).
• Average lows: 74 to 79° f. (23 to 26° c.).
• Water temperature at this time of year is around 84°f. (29°c.)--like a warm bath!

• Average total rainfall: About 4" (100mm). • Average rainfall each rainy day: 0.6" (15mm).
• Average # of rainy days: About 7. • Least # of rainy days: 4. • Greatest # of rainy days: 8.
• How rain could affect your trip: Chances are that you'll get some rain during your August vacation, especially in the afternoon or evening. The threat of a tropical storm bringing bad weather to the area for several days increases.

•Average daytime high humidity: 99%. • Average nightime low humidity: 63%.
•Average wind 4mph (6kph / 3knots) with gusts to 15mph (24kph / 13knots).

September
• Average highs: 89 to 94° f. (32 to 34° c.).
• Average lows: 73 to 78° f. (23 to 26° c.).
• Water temperature at this time of year is around 84°f (29°c.)--like a warm bath!

• Average total rainfall: About 5" (125mm). With tropical storms included the average is 9" (230mm).
• Average rainfall each rainy day: 0.4 (10mm) "
• Average # of rainy days: About 12. • Least # of rainy days: 10. • Greatest # of rainy days: 17
• How rain could affect your trip: In September it's not uncommon to get several days of rain in a row. There are even stretches of 3, 4, 5 and 7 (usually caused by a tropical storm or hurricane).
This makes it really hard to plan a trip in September. Based on records, you'll either have great weather, or terrible weather. There's just not much in between.

•Average daytime high humidity: 99%. • Average nightime low humidity: 62%.
•Average wind 4mph (6kph / 3knots) with gusts to 15mph (24kph / 13knots).

October
• Average highs: 86 to 91° f. (30 to 33° c.).
• Average lows: 72 to 77° f. (22 to 25° c.).
• Water temperature at this time of year is around 82°f (28°c.).

• Average total rainfall: About 4" (100mm). • Average rainfall each rainy day: 0.4" (10mm) .
• Average # of rainy days: About 10. • Least # of rainy days: 6. • Greatest # of rainy days: 16.
• How rain could affect your trip: During 3 of the last 4 years October has had less than 1.5" of rain, even though it fell over an average of 10 days. It might be cloudy, butlight showers like this won't ruin your vacation. On the other hand, October 2001 had 16 days of rain with a total of 14". You definitely would have been wet on your vacation.

•Average daytime high humidity: 99%. • Average nightime low humidity: 64%.
•Average wind 4mph (6kph / 3knots) with gusts to 14mph (22kph / 12knots).

November
• Average highs: 82 to 87° f. (28 to 31° c.)
• Average lows: 68 to 73° f. (20 to 23° c.)
• Water temperature at this time of year is around 80°f. (27°c.).

• Average total rainfall: About 4" (100mm). • Average rainfall each rainy day: 0.5" (13mm).
• Average # of rainy days: About 8. • Least # of rainy days: 4. • Greatest # of rainy days: 11.
• How rain could affect your trip: You'll stand a chance of having rain for a day or two during your week in Cancun. Hurricane season is winding down, but in 2005 hurricane Wilma hit Cancun and dumped up to
30" of rain in several days, and really messed up a lot of vacations.

•Average daytime high humidity: 94%. • Average nightime low humidity: 59%.
•Average wind 5mph (8kph / 4knots) with gusts to 15mph (24kph / 13knots).

December
• Average highs: 81 to 86° f. (27 to 30° c.).
• Average lows: 68 to 73° f. (20 to 23° c.).
• Water temperature at this time of year is around 78°f. (26°c.).

• Average total rainfall: About 2" (50mm) . • Average rainfall each rainy day: 0.25" (6mm).
• Average # of rainy days: About 8. • Least # of rainy days: 4. • Greatest # of rainy days: 12.
• How rain could affect your trip: Records show that you can average 8 days of rain, but like most winter months it comes in the form of showers and shouldn't affect your vacation too much.

•Average daytime high humidity: 94%. • Average nightime low humidity: 58%.
•Average wind 5mph (8kph / 4knots) with gusts to 15mph (24kph / 13knots).