Temperatures stay fairly stable month to month across the year.
| Month | Low Temperature | High Temperature | Category |
|---|---|---|---|
| January | 22°C | 25.4°C | WARM |
| February | 22.6°C | 26.2°C | WARM |
| March | 23.2°C | 27.1°C | WARM |
| April | 24.3°C | 28.4°C | WARM |
| May | 25.3°C | 29.4°C | WARM |
| June | 25.8°C | 29.4°C | WARM |
| July | 26.2°C | 30°C | HOT |
| August | 26.2°C | 30.1°C | HOT |
| September | 25.8°C | 29.5°C | WARM |
| October | 24.9°C | 28.4°C | WARM |
| November | 23.7°C | 27°C | WARM |
| December | 22.8°C | 26.1°C | WARM |
August has the warmest typical feels-like highs (36°C / 96.8°F), while January is coolest (26.9°C / 80.4°F).
| Month | Low Feels Like | High Feels Like | Category |
|---|---|---|---|
| January | 22.8°C | 26.9°C | WARM |
| February | 23.7°C | 28.1°C | WARM |
| March | 24.4°C | 29.3°C | WARM |
| April | 26.5°C | 31.6°C | HOT |
| May | 28.6°C | 33.5°C | HOT |
| June | 29.8°C | 34.5°C | HOT |
| July | 30.6°C | 35.7°C | HOT |
| August | 30.8°C | 36°C | HOT |
| September | 30.2°C | 35.3°C | HOT |
| October | 28.2°C | 32.6°C | HOT |
| November | 25.7°C | 29.6°C | WARM |
| December | 24.1°C | 28°C | WARM |
September is wettest at 202.2 mm / 7.96 inches, while March is driest at 32.7 mm / 1.29 inches.
| Month | Baseline | Rainfall | Category |
|---|---|---|---|
| January | -35.2 mm | 60.7 mm | MODERATE |
| February | -35.2 mm | 40.5 mm | LIGHT |
| March | -35.2 mm | 32.7 mm | LIGHT |
| April | -35.2 mm | 36.2 mm | LIGHT |
| May | -35.2 mm | 78.2 mm | MODERATE |
| June | -35.2 mm | 172.6 mm | WET |
| July | -35.2 mm | 111.6 mm | MODERATE |
| August | -35.2 mm | 145.4 mm | WET |
| September | -35.2 mm | 202.2 mm | VERY WET |
| October | -35.2 mm | 183.4 mm | WET |
| November | -35.2 mm | 86 mm | MODERATE |
| December | -35.2 mm | 61.1 mm | MODERATE |
May has the strongest peak UV (around index 9.2).
| Month | Baseline | UV Index | Category |
|---|---|---|---|
| January | 0 | 6.6 | HIGH |
| February | 0 | 7.8 | HIGH |
| March | 0 | 8.8 | VERY HIGH |
| April | 0 | 9.1 | VERY HIGH |
| May | 0 | 9.2 | VERY HIGH |
| June | 0 | 9.1 | VERY HIGH |
| July | 0 | 9 | VERY HIGH |
| August | 0 | 9 | VERY HIGH |
| September | 0 | 8.8 | VERY HIGH |
| October | 0 | 8.1 | VERY HIGH |
| November | 0 | 6.9 | HIGH |
| December | 0 | 6 | HIGH |
Daylight ranges from 10.9h in December to 13.4h in June.
| Month | Baseline | Daylight Hours | Category |
|---|---|---|---|
| January | 0h | 11h | BALANCED |
| February | 0h | 11.5h | BALANCED |
| March | 0h | 12h | BALANCED |
| April | 0h | 12.6h | BALANCED |
| May | 0h | 13.2h | LONG |
| June | 0h | 13.4h | LONG |
| July | 0h | 13.3h | LONG |
| August | 0h | 12.8h | BALANCED |
| September | 0h | 12.3h | BALANCED |
| October | 0h | 11.7h | BALANCED |
| November | 0h | 11.1h | BALANCED |
| December | 0h | 10.9h | BALANCED |
September is most humid (82.7%), while March is driest (72.2%).
| Month | Baseline | Humidity (avg) | Category |
|---|---|---|---|
| January | 68.5% | 73.4% | HUMID |
| February | 68.5% | 73.3% | HUMID |
| March | 68.5% | 72.2% | HUMID |
| April | 68.5% | 74.1% | HUMID |
| May | 68.5% | 76.9% | MUGGY |
| June | 68.5% | 81.8% | MUGGY |
| July | 68.5% | 80.3% | MUGGY |
| August | 68.5% | 80.8% | MUGGY |
| September | 68.5% | 82.7% | MUGGY |
| October | 68.5% | 80.3% | MUGGY |
| November | 68.5% | 75.8% | MUGGY |
| December | 68.5% | 75% | MUGGY |
March has the strongest typical average wind (16.5 km/h / 10.2 mph), while September is calmest (11.2 km/h / 7.0 mph).
| Month | Baseline | Wind (avg) | Category |
|---|---|---|---|
| January | 9.1 km/h | 15 km/h | CALM |
| February | 9.1 km/h | 15.3 km/h | CALM |
| March | 9.1 km/h | 16.5 km/h | CALM |
| April | 9.1 km/h | 16 km/h | CALM |
| May | 9.1 km/h | 14.8 km/h | CALM |
| June | 9.1 km/h | 13.7 km/h | CALM |
| July | 9.1 km/h | 12 km/h | CALM |
| August | 9.1 km/h | 11.4 km/h | CALM |
| September | 9.1 km/h | 11.2 km/h | CALM |
| October | 9.1 km/h | 13.3 km/h | CALM |
| November | 9.1 km/h | 14.1 km/h | CALM |
| December | 9.1 km/h | 14.1 km/h | CALM |
March is windiest by P95 gust signal (54.0 km/h / 33.6 mph).
| Month | Baseline | Wind (gusts) | Category |
|---|---|---|---|
| January | 0 km/h | 50.4 km/h | VERY WINDY |
| February | 0 km/h | 51.6 km/h | VERY WINDY |
| March | 0 km/h | 54 km/h | VERY WINDY |
| April | 0 km/h | 53.6 km/h | VERY WINDY |
| May | 0 km/h | 49 km/h | WINDY |
| June | 0 km/h | 47.9 km/h | WINDY |
| July | 0 km/h | 41.4 km/h | WINDY |
| August | 0 km/h | 41 km/h | WINDY |
| September | 0 km/h | 41.4 km/h | WINDY |
| October | 0 km/h | 45.4 km/h | WINDY |
| November | 0 km/h | 45.7 km/h | WINDY |
| December | 0 km/h | 47.2 km/h | WINDY |
September has the most rain days (~26.8), while April has the fewest (~10.8). Rain days count the average number of days in a month with measurable rain (about 0.1 mm or more).
| Month | Baseline | Rain Days | Category |
|---|---|---|---|
| January | 4.4 days | 15 days | VERY FREQUENT |
| February | 4.4 days | 12.1 days | FREQUENT |
| March | 4.4 days | 11.4 days | FREQUENT |
| April | 4.4 days | 10.8 days | FREQUENT |
| May | 4.4 days | 17.2 days | VERY FREQUENT |
| June | 4.4 days | 22.9 days | VERY FREQUENT |
| July | 4.4 days | 21.9 days | VERY FREQUENT |
| August | 4.4 days | 24.9 days | VERY FREQUENT |
| September | 4.4 days | 26.8 days | VERY FREQUENT |
| October | 4.4 days | 23.4 days | VERY FREQUENT |
| November | 4.4 days | 16.6 days | VERY FREQUENT |
| December | 4.4 days | 16 days | VERY FREQUENT |
September has the most heavy rain/washout risk days (~13). Heavy rain days are the average number of days likely to bring stronger downpours that can disrupt outdoor plans.
| Month | Baseline | Heavy Rain Days | Category |
|---|---|---|---|
| January | 0 days | 3 days | FREQUENT |
| February | 0 days | 2 days | OCCASIONAL |
| March | 0 days | 2 days | OCCASIONAL |
| April | 0 days | 2 days | OCCASIONAL |
| May | 0 days | 4 days | FREQUENT |
| June | 0 days | 10 days | PERSISTENT |
| July | 0 days | 7 days | PERSISTENT |
| August | 0 days | 10 days | PERSISTENT |
| September | 0 days | 13 days | PERSISTENT |
| October | 0 days | 10 days | PERSISTENT |
| November | 0 days | 5 days | FREQUENT |
| December | 0 days | 3 days | FREQUENT |
August has the highest heat-risk day count (~2 days). Heat days are the average number of days that exceed our location-specific heat-risk threshold.
| Month | Baseline | Heat Days | Category |
|---|---|---|---|
| January | 0 days | 0 days | LOW |
| February | 0 days | 0 days | LOW |
| March | 0 days | 0 days | LOW |
| April | 0 days | 0 days | LOW |
| May | 0 days | 1 days | LOW |
| June | 0 days | 1 days | LOW |
| July | 0 days | 1 days | LOW |
| August | 0 days | 2 days | ELEVATED |
| September | 0 days | 1 days | LOW |
| October | 0 days | 0 days | LOW |
| November | 0 days | 0 days | LOW |
| December | 0 days | 0 days | LOW |
Daylight varies from 10.9 hours in December (winter) to 13.4 hours in June (summer), which is a difference of 2.5 hours.
Northern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:
| Ranking Goal | #1 | #2 | #3 | #4 |
|---|---|---|---|---|
| Lowest rain risk | Feb 2 risk days | Mar 2 risk days | Apr 2 risk days | Jan 3 risk days |
| Lowest heatwave risk | Jan 0 risk days | Feb 0 risk days | Mar 0 risk days | Apr 0 risk days |
| Lowest cold risk | Jan 0 risk days | Feb 0 risk days | Mar 0 risk days | Apr 0 risk days |
| Lowest wind disruption risk | Aug 41 km/h | Jul 41 km/h | Sep 41 km/h | Oct 45 km/h |
| Most comfortable evenings | Jan 71 / 100 | Feb 69 / 100 | Mar 67 / 100 | Dec 65 / 100 |
| Best outdoor reliability | Dec 86 / 100 | Feb 84 / 100 | Jan 81 / 100 | Apr 81 / 100 |
Click any month for detailed weather information and packing advice.
Get personalized month rankings based on weather comfort, outdoor activity suitability, and seasonal conditions.
View Best Time to VisitThe best months to visit Cancún depend on your preferences. For warm weather, August is typically the warmest month. For dry conditions, March, April, February tend to have the least rainfall. Consider your priorities, and whether you prefer warmer temperatures, drier weather, or longer daylight hours.
August is typically the warmest month in Cancún, with average high temperatures reaching around 30°C (86°F). This is peak summer weather, ideal for outdoor activities and sightseeing.
January is usually the coldest month, with average low temperatures dropping to around 22°C (72°F). Pack warm layers if visiting during this time, especially for evening activities.
September typically sees the most rainfall in Cancún, averaging around 202mm (8.0 inches). It's wise to pack waterproof layers and have some indoor backup plans if you're visiting during this month.
March is typically the driest month, with average rainfall of just 33mm (1.3 inches). This makes it an excellent time for outdoor exploration and activities with minimal risk of rain disruption.
Temperatures in Cancún range from average lows of 24°C (76°F) to highs of 28°C (83°F). This variation means you'll want to pack differently depending on when you visit, as layers are key for adapting to the seasonal changes.
Yes, sun protection is important in Cancún. UV levels can reach 9 during peak months, which is considered very high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.