Climate and monthly weather forecastIsla Mujeres, Mexico
Isla Mujeres, Mexico - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. March through October, with an average maximum UV index of 7, are months with the highest UV index in Isla Mujeres, Mexico. March is the least humid month in Isla Mujeres, with an average relative humidity of 73%.

Climate and monthly weather forecast
The climate of Isla Mujeres
Perched in the Gulf of Mexico, the beauty of Isla Mujeres, Mexico, basks in a tropical wet and dry climate, a distinction indicated by the Köppen climate classification as 'Aw'. This categorization favors a climatic rhythm that alternates between wet and dry seasons, presenting countless layers of meteorological intrigue. Being a tropical haven, temperatures display minimal seasonal variation, delivering a delightful combination of warmth and sunshine throughout the year.Drilling down into the details of its climatic behavior, the barometer reveals a pattern. Monthly average temperatures hover from a low of 22.2°C (72°F), witnessed in January, to a peak of 31°C (87.8°F) during August. Night time lows do not oscillate much, stabilizing from 22.2°C (72°F) to 27.1°C (80.8°F). A pattern of increment can be identified in daylight hours from 11 hours in January that gradually proceed to a peak of 13.4 hours in June, differing subtly from the gradual decrement witnessed in sunshine hours, which drop from 9.1 hours in April to 8.4 hours by the year's end.
The wind also has its story to tell, with average speeds varying from a subdued calm of 13.3km/h (8.3mph) in July and August, to a brisker 19.1km/h (11.9mph) in March. Maximum wind speeds too seem to dance to a similar tune, from a low 13.8km/h (8.6mph) in July to 19.7km/h (12.2mph) in March, with gales reaching its zenith at 27.4km/h (17mph) in March. The year-round relative humidity does not show much variation, residing in the range from 73% to 78%. Months such as June and August carry the weight of the highest rainfall in millimeters, 88mm (3.46") and 82mm (3.23") respectively, reflecting an increase in precipitation during the summer.
The best time to visit Isla Mujeres
In terms of sheer climatic pleasantness, the best time to visit Isla Mujeres falls between the months of November to April. The weather during this time is typically drier, with an average rainfall of between 19mm (0.75") to 65mm (2.56"). These months also savor a relative lull in the region’s wind speeds, ranging between 13.3km/h (8.3mph) to 18km/h (11.2mph). This period is renowned for its moderate temperatures which sway between a minimum of 22.2°C (72°F) and a maximum of 29.6°C (85.3°F). Engaging in outdoor activities becomes inviting due to the above mentioned amicable weather conditions.The worst time to visit Isla Mujeres
Visitors may want to sidestep the months from May to October, more so if excessive rainfall does not pertain to their taste. During this period, the rainfall spirals to a peak of 115mm (4.53") in October while the average temperature pushes its way up to reach 30.1°C (86.2°F) to 31°C (87.8°F). Concurrently, the wind speeds pick up, notching a range of 13.3km/h (8.3mph) to 19.1km/h (11.9mph). The conditions during this period may not be very conducive for outdoor activities and sightseeing.Spring weather in Isla Mujeres
Spring strikes a chord of freshness in Isla Mujeres, stretching from March to May. Temperatures make a comfortable range between 26.7°C (80.1°F) to 29.6°C (85.3°F). The winds tend to gradually quieten down from 19.1km/h (11.9mph) to 17km/h (10.6mph). Rainfall charts a course of increment from 19mm (0.75") in March to 63mm (2.48") by May end. The daylight hours extend from 12 hours in March, to climb up to 13.2 hours in May.Summer weather in Isla Mujeres
A season of abundance, the summer in Isla Mujeres usually spans from June to August. The temperatures march up to hit the year's zenith from 30.1°C (86.2°F) to 31°C (87.8°F) accompanied by a high of 78% relative humidity during June. However, the sea temperature climbs to a pleasant 28°C (82.4°F) to 29°C (84.2°F). The retreat of the winds is evident, dropping from 16.2km/h (10.1mph) to 13.4km/h (8.3mph).Autumn weather in Isla Mujeres
The autumn landscape in Isla Mujeres pictographically extends from September to November. Temperature readings drop slightly, as the air ranges from 30.3°C (86.5°F) to 27.5°C (81.5°F). This period sees a decrease in daylight hours from 12.3h in September to 11.1h in November. Rainfall makes a leap from 90mm (3.54") in September to the year’s high of 115mm (4.53") in October, before decreasing to 65mm (2.56") in November.Winter weather in Isla Mujeres
The winter in Isla Mujeres extends from December through February, presenting cooler weather. Temperatures settle between 25.9°C (78.6°F) in December to 26.9°C (80.4°F) in February, reflecting minimal variation. Rainfall precipitates to a relative low of 50mm (1.97") to 51mm (2.01"), offering more dry days. The wind factor gains speed from 16.9km/h (10.5mph) in December to reach 18km/h (11.2mph) in February. Daylight hours see a decline from 10.9h to 11h within these months.Weather in January
The start of the year in Isla Mujeres, Mexico, brings relatively cool weather, as compared to the succeeding months. This month, sees the lowest high temperature value, with the mercury rising to a maximum of 25.9°C (78.6°F). Weather in January »Weather in February
The weather conditions in February continue the trend set by January, with a slight increase in the overall average temperatures. The minimum temperature increases to 22.9°C (73.2°F), giving a taste of the warmth to come in March. Weather in February »Weather in March
As the third month of the year rolls in, weather conditions start shifting perceptibly towards the summer pattern. There is a slight increase in the maximum temperatures, setting the stage for April's heat. Rainfall decreases to 19mm (0.75"), the third lowest annual rainfall, leading to longer durations of sunshine. Weather in March »Weather in April
April is notably warmer in Isla Mujeres, Mexico, with the average temperatures reaching their yearly peak. Meteorological data indicates an increase in the lower temperatures from 23.1°C (73.6°F) in March to 24.5°C (76.1°F) in this month. Weather in April »Weather in May
May rings in the highest sea temperature of the year in Isla Mujeres, Mexico. The temperatures of the surrounding ocean waters shoot up to an annual high of 28°C (82.4°F), much to the delight of swimmers and divers. Despite the soaring temperatures, the weather conditions remain amicable for most tourist activities. Weather in May »Weather in June
June indicates a distinct shift in weather patterns in Isla Mujeres, Mexico. Following the mildly inclement days of May, June offers a breather with moderately high temperatures. The increase in the average number of rainfall days to 20.3 signifies the onset of the rainy season. Weather in June »Weather in July
July is a defining period in the weather calendar of Isla Mujeres, Mexico. It reaches the annual peak in high temperature, recording an impressive 30.8°C (87.4°F). Accordingly, the days stretch out longer, giving the sun ample time to bathe the city in its warmth. Weather in July »Weather in August
August brings minimal changes to the weather scenario in Isla Mujeres, Mexico. Following the high-temperature trend set in July, this month merely sustains the heat. Albeit fewer daylight hours, the intensity of sunshine does not wane, making it ideal for sunbathers to bask in. Weather in August »Weather in September
September ushers a slight relief from the high temperatures prevalent in Isla Mujeres, Mexico. The mercury experiences a dip, lowering the intensity of the persistent heat spell. The sea temperature starts its gradual decline, hinting at the approach of milder weather conditions. Weather in September »Weather in October
October stands out in the weather chronicles of Isla Mujeres, Mexico, topping the charts in rainfall. With 115mm (4.53") of precipitation, it registers the highest rainfall of the year. Correspondingly, overcast skies prevail, with the percentage of cloud cover increasing from September. Weather in October »Weather in November
November commences the cooldown in the weather of Isla Mujeres, Mexico. Temperatures take a plunge, paving the path for the chillier months ahead. A marked decline in rainfall is observed compared to October, with the total precipitation dropping to 65mm (2.56"). Weather in November »Weather in December
December marks the termination of another year in Isla Mujeres, Mexico, with moderately cooler weather conditions. The high temperature records a low of 26.9°C (80.4°F), ensuing a mild atmosphere. The final month maintains a decent amount of sunshine complementing the festive spirit of the holiday season. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Isla Mujeres, Mexico
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (25.9°C).
The month with the highest average low temperature is August (27.1°C).
The coldest month (with the lowest average low temperature) is January (22.2°C).
Average pressure
Isla Mujeres, Mexico
- Average pressure in January:
1017.7mbar - Average pressure in February:
1016.8mbar - Average pressure in March:
1016.4mbar - Average pressure in April:
1014.1mbar - Average pressure in May:
1013.4mbar - Average pressure in June:
1013.5mbar
- Average pressure in July:
1015.1mbar - Average pressure in August:
1013.7mbar - Average pressure in September:
1012.5mbar - Average pressure in October:
1012.6mbar - Average pressure in November:
1015.2mbar - Average pressure in December:
1016.5mbar
The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).
Average wind speed
Isla Mujeres, Mexico
- Average wind speed in January:
18km/h - Average wind speed in February:
17.9km/h - Average wind speed in March:
19.1km/h - Average wind speed in April:
18.6km/h - Average wind speed in May:
17km/h - Average wind speed in June:
16.2km/h
- Average wind speed in July:
13.3km/h - Average wind speed in August:
13.4km/h - Average wind speed in September:
13.5km/h - Average wind speed in October:
15.4km/h - Average wind speed in November:
16.9km/h - Average wind speed in December:
17.2km/h
The windiest month (with the highest average wind speed) is March (19.1km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).
Average humidity
Isla Mujeres, Mexico
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (73%).
Average rainfall
Isla Mujeres, Mexico
The wettest month (with the highest rainfall) is October (115mm).
The driest month (with the least rainfall) is March (19mm).
Average rainfall days
Isla Mujeres, Mexico
- Average rainfall days in January:
17.9 days - Average rainfall days in February:
13.2 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
17 days - Average rainfall days in June:
20.3 days
- Average rainfall days in July:
19.6 days - Average rainfall days in August:
22.9 days - Average rainfall days in September:
22.5 days - Average rainfall days in October:
23.8 days - Average rainfall days in November:
19.3 days - Average rainfall days in December:
18.8 days
The month with the highest number of rainy days is October (23.8 days).
The month with the least rainy days is April (11.3 days).
Average sea temperature
Isla Mujeres, Mexico
The best months for swimming (with the highest average sea temperature) are July, August, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (26°C).
Average daylight / Average sunshine
Isla Mujeres, Mexico
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 12min - Average daylight in June:
13h and 24min
- Average daylight in July:
13h and 18min - Average daylight in August:
12h and 48min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 54min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in January:
7h and 42min - Average sunshine in February:
8h and 30min - Average sunshine in March:
8h and 42min - Average sunshine in April:
9h and 6min - Average sunshine in May:
8h and 54min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
9h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
8h and 30min - Average sunshine in November:
8h and 24min - Average sunshine in December:
8h and 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 42min).
Average sunshine days
Isla Mujeres, Mexico
- Average sunshine days in January:
8.3 days - Average sunshine days in February:
9.5 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
5.9 days
- Average sunshine days in July:
7.4 days - Average sunshine days in August:
4.7 days - Average sunshine days in September:
4.6 days - Average sunshine days in October:
3.6 days - Average sunshine days in November:
5.9 days - Average sunshine days in December:
6.2 days
The month with the most sunshine days is April (13.5 days).
The month with the least sunshine days is October (3.6 days).
Average UV index
Isla Mujeres, Mexico
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover
Isla Mujeres, Mexico
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility
Isla Mujeres, Mexico
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





