Isla Mujeres weather in October
In October, Isla Mujeres sees average daytime highs of 28°C and overnight lows near 26°C, with 190 mm of rain across 19 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 40% of the time in October, and the air most often feels miserable.
Daylight stretches from about 11 h 48 min at the start of October to 11 h 12 min by month's end. Set against the rest of the year, October is Isla Mujeres's 10th-clearest and 8th-windiest month. For the whole year in context, see Isla Mujeres's year-round climate.
- Daytime high
- 28°
- 5th warmest
- Overnight low
- 26°
- 8th coldest
- Rainfall
- 190 mm
- 19 wet days
- Daylight
- 11 h 30 min
- 5:47 AM – 5:17 PM
- Cloud cover
- 55%
- 10th clearest
- Wind
- 21 km/h
- 8th windiest
- Solar energy
- 4.61 kWh/m²
- Travel score
- 5.1
- out of 10
Isla Mujeres is municipal seat of Isla Mujeres, State of Quintana Roo, Mexico.
- Founded
- 1850
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Day-to-day highs hold fairly steady near 28°C through the month.
A typical October day in Isla Mujeres reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 26 |
| 2 | 28 | 26 |
| 3 | 28 | 26 |
| 4 | 28 | 26 |
| 5 | 28 | 26 |
| 6 | 28 | 26 |
| 7 | 28 | 26 |
| 8 | 28 | 26 |
| 9 | 28 | 26 |
| 10 | 28 | 26 |
| 11 | 28 | 26 |
| 12 | 28 | 26 |
| 13 | 28 | 26 |
| 14 | 28 | 26 |
| 15 | 28 | 26 |
| 16 | 28 | 26 |
| 17 | 28 | 26 |
| 18 | 28 | 26 |
| 19 | 28 | 26 |
| 20 | 28 | 26 |
| 21 | 28 | 26 |
| 22 | 28 | 26 |
| 23 | 28 | 26 |
| 24 | 27 | 26 |
| 25 | 27 | 26 |
| 26 | 27 | 26 |
| 27 | 27 | 26 |
| 28 | 27 | 26 |
| 29 | 27 | 26 |
| 30 | 27 | 26 |
| 31 | 27 | 26 |
How October really feels in Isla Mujeres
Once humidity and wind are folded in, October averages 9 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Isla Mujeres weather by month
How October compares with the rest of the year at a glance. October is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 24° | 65 | 10.1 | 10.9 | 7.1 |
| Feb | 25° / 24° | 35 | 6.9 | 11.3 | 7.6 |
| Mar | 26° / 24° | 24 | 4.9 | 11.8 | 8.0 |
| Apr | 26° / 25° | 25 | 4.7 | 12.5 | 7.9 |
| May | 27° / 26° | 66 | 9.1 | 13 | 6.9 |
| Jun | 28° / 27° | 131 | 15.6 | 13.3 | 5.5 |
| Jul | 28° / 27° | 66 | 11.2 | 13.2 | 5.8 |
| Aug | 29° / 27° | 91 | 14.6 | 12.7 | 5.3 |
| Sep | 28° / 27° | 164 | 20 | 12.1 | 4.5 |
| Oct | 28° / 26° | 190 | 19 | 11.5 | 5.1 |
| Nov | 27° / 25° | 90 | 11.6 | 11 | 6.5 |
| Dec | 26° / 24° | 62 | 11.8 | 10.7 | 6.7 |
Cloud cover in October
The sky is clear or mostly clear about 40% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 49 | 50 | 50 | 51 | 52 | 53 | 53 | 54 | 55 | 55 | 55 | 56 | 56 | 57 | 57 | 58 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 61 | 61 |
| Cloudier (%) | 51 | 50 | 50 | 49 | 48 | 47 | 47 | 46 | 45 | 45 | 45 | 44 | 44 | 43 | 43 | 42 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 39 | 39 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 50 | 50 |
| 3 | 50 | 50 |
| 4 | 51 | 49 |
| 5 | 52 | 48 |
| 6 | 53 | 47 |
| 7 | 53 | 47 |
| 8 | 54 | 46 |
| 9 | 55 | 45 |
| 10 | 55 | 45 |
| 11 | 55 | 45 |
| 12 | 56 | 44 |
| 13 | 56 | 44 |
| 14 | 57 | 43 |
| 15 | 57 | 43 |
| 16 | 58 | 42 |
| 17 | 57 | 43 |
| 18 | 57 | 43 |
| 19 | 57 | 43 |
| 20 | 57 | 43 |
| 21 | 58 | 42 |
| 22 | 58 | 42 |
| 23 | 58 | 42 |
| 24 | 58 | 42 |
| 25 | 58 | 42 |
| 26 | 58 | 42 |
| 27 | 59 | 41 |
| 28 | 59 | 41 |
| 29 | 59 | 41 |
| 30 | 61 | 39 |
| 31 | 61 | 39 |
Chance of precipitation in October
Isla Mujeres gets around 190 mm of rain over 19 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 61% and peaks near 71% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 71 | 71 | 70 | 69 | 69 | 68 | 68 | 67 | 67 | 66 | 66 | 65 | 64 | 64 | 63 | 62 | 62 | 61 | 60 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 53 | 52 | 51 | 50 | 49 |
| Rain chance (%) | |
|---|---|
| 1 | 71 |
| 2 | 71 |
| 3 | 70 |
| 4 | 69 |
| 5 | 69 |
| 6 | 68 |
| 7 | 68 |
| 8 | 67 |
| 9 | 67 |
| 10 | 66 |
| 11 | 66 |
| 12 | 65 |
| 13 | 64 |
| 14 | 64 |
| 15 | 63 |
| 16 | 62 |
| 17 | 62 |
| 18 | 61 |
| 19 | 60 |
| 20 | 59 |
| 21 | 58 |
| 22 | 57 |
| 23 | 56 |
| 24 | 55 |
| 25 | 54 |
| 26 | 53 |
| 27 | 53 |
| 28 | 52 |
| 29 | 51 |
| 30 | 50 |
| 31 | 49 |
Humidity in October
Most of October feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the miserable band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 |
| Muggy (%) | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 18 |
| Oppressive (%) | 26 | 27 | 28 | 29 | 30 | 31 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 47 | 47 | 47 |
| Miserable (%) | 70 | 69 | 68 | 67 | 65 | 64 | 62 | 61 | 60 | 58 | 56 | 55 | 54 | 51 | 49 | 47 | 45 | 44 | 42 | 40 | 39 | 38 | 36 | 35 | 33 | 32 | 30 | 28 | 27 | 25 | 23 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 1 | 3 | 26 | 70 |
| 2 | 0 | 1 | 3 | 27 | 69 |
| 3 | 0 | 1 | 3 | 28 | 68 |
| 4 | 0 | 1 | 3 | 29 | 67 |
| 5 | 0 | 1 | 4 | 30 | 65 |
| 6 | 0 | 1 | 4 | 31 | 64 |
| 7 | 0 | 1 | 4 | 33 | 62 |
| 8 | 0 | 1 | 4 | 34 | 61 |
| 9 | 0 | 1 | 4 | 35 | 60 |
| 10 | 0 | 1 | 5 | 36 | 58 |
| 11 | 0 | 2 | 5 | 37 | 56 |
| 12 | 0 | 2 | 5 | 38 | 55 |
| 13 | 0 | 2 | 5 | 39 | 54 |
| 14 | 0 | 3 | 6 | 40 | 51 |
| 15 | 0 | 3 | 6 | 41 | 49 |
| 16 | 0 | 4 | 7 | 42 | 47 |
| 17 | 0 | 4 | 7 | 43 | 45 |
| 18 | 0 | 5 | 8 | 44 | 44 |
| 19 | 0 | 5 | 9 | 44 | 42 |
| 20 | 0 | 6 | 9 | 44 | 40 |
| 21 | 0 | 6 | 10 | 44 | 39 |
| 22 | 0 | 7 | 11 | 44 | 38 |
| 23 | 0 | 7 | 12 | 44 | 36 |
| 24 | 1 | 8 | 12 | 45 | 35 |
| 25 | 1 | 8 | 13 | 45 | 33 |
| 26 | 1 | 8 | 14 | 45 | 32 |
| 27 | 1 | 9 | 15 | 46 | 30 |
| 28 | 1 | 9 | 15 | 46 | 28 |
| 29 | 1 | 10 | 16 | 47 | 27 |
| 30 | 1 | 10 | 17 | 47 | 25 |
| 31 | 1 | 10 | 18 | 47 | 23 |
Wind in October
Winds average 21 km/h in October.
Across October, daily wind ranges from about 19 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 19 | light breeze |
| 2 | 19 | light breeze |
| 3 | 20 | light breeze |
| 4 | 20 | light breeze |
| 5 | 20 | light breeze |
| 6 | 20 | light breeze |
| 7 | 20 | light breeze |
| 8 | 20 | light breeze |
| 9 | 20 | breezy |
| 10 | 20 | breezy |
| 11 | 20 | breezy |
| 12 | 20 | breezy |
| 13 | 20 | breezy |
| 14 | 21 | breezy |
| 15 | 21 | breezy |
| 16 | 21 | breezy |
| 17 | 21 | breezy |
| 18 | 21 | breezy |
| 19 | 21 | breezy |
| 20 | 22 | breezy |
| 21 | 22 | breezy |
| 22 | 22 | breezy |
| 23 | 22 | breezy |
| 24 | 22 | breezy |
| 25 | 22 | breezy |
| 26 | 23 | breezy |
| 27 | 23 | breezy |
| 28 | 23 | breezy |
| 29 | 23 | breezy |
| 30 | 23 | breezy |
| 31 | 23 | breezy |
Sunrise & sunset in October
Daylight runs from about 11 h 48 min at the start of October to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over October. Sunrise moves from 5:42 AM to 5:54 AM, and sunset from 5:30 PM to 5:07 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 |
| Sunrise (AM) | 5:42 | 5:42 | 5:42 | 5:43 | 5:43 | 5:43 | 5:44 | 5:44 | 5:44 | 5:45 | 5:45 | 5:45 | 5:46 | 5:46 | 5:46 | 5:47 | 5:47 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:51 | 5:51 | 5:52 | 5:52 | 5:53 | 5:53 | 5:54 |
| Sunset (PM) | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 | 5:25 | 5:25 | 5:24 | 5:23 | 5:22 | 5:21 | 5:20 | 5:19 | 5:19 | 5:18 | 5:17 | 5:16 | 5:16 | 5:15 | 5:14 | 5:13 | 5:13 | 5:12 | 5:11 | 5:11 | 5:10 | 5:09 | 5:09 | 5:08 | 5:08 | 5:07 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 5:42 | 5:30 |
| 2 | 11.8 | 5:42 | 5:29 |
| 3 | 11.8 | 5:42 | 5:28 |
| 4 | 11.7 | 5:43 | 5:27 |
| 5 | 11.7 | 5:43 | 5:26 |
| 6 | 11.7 | 5:43 | 5:25 |
| 7 | 11.7 | 5:44 | 5:25 |
| 8 | 11.7 | 5:44 | 5:24 |
| 9 | 11.6 | 5:44 | 5:23 |
| 10 | 11.6 | 5:45 | 5:22 |
| 11 | 11.6 | 5:45 | 5:21 |
| 12 | 11.6 | 5:45 | 5:20 |
| 13 | 11.6 | 5:46 | 5:19 |
| 14 | 11.5 | 5:46 | 5:19 |
| 15 | 11.5 | 5:46 | 5:18 |
| 16 | 11.5 | 5:47 | 5:17 |
| 17 | 11.5 | 5:47 | 5:16 |
| 18 | 11.5 | 5:48 | 5:16 |
| 19 | 11.4 | 5:48 | 5:15 |
| 20 | 11.4 | 5:49 | 5:14 |
| 21 | 11.4 | 5:49 | 5:13 |
| 22 | 11.4 | 5:49 | 5:13 |
| 23 | 11.4 | 5:50 | 5:12 |
| 24 | 11.3 | 5:50 | 5:11 |
| 25 | 11.3 | 5:51 | 5:11 |
| 26 | 11.3 | 5:51 | 5:10 |
| 27 | 11.3 | 5:52 | 5:09 |
| 28 | 11.3 | 5:52 | 5:09 |
| 29 | 11.3 | 5:53 | 5:08 |
| 30 | 11.2 | 5:53 | 5:08 |
| 31 | 11.2 | 5:54 | 5:07 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 4.61 kWh/m².
For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 6.59 kWh/m² in July across the year — October's 4.61 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.8 | Bright |
| 10 | 4.8 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.7 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.6 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.5 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.4 | Bright |
| 26 | 4.4 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.3 | Bright |
| 30 | 4.3 | Bright |
| 31 | 4.3 | Bright |
Hazard calendar for Isla Mujeres
In October, Isla Mujeres sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
Isla Mujeres sits in the Atlantic hurricane belt; the season peaks August–October.
Isla Mujeres's rainy season runs August–November, when most of the year's rain falls.
Is October a good time to visit Isla Mujeres?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Isla Mujeres for sightseeing.
What to pack for Isla Mujeres in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Isla Mujeres sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 19 days see rain.
Sea temperature near Isla Mujeres in October
The nearest coast averages about 29°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in September at about 29°C and coldest in February near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 26 | 26 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Isla Mujeres in October
Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Isla Mujeres peaks around July 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 11 | 12 | 11 | 12 | 12 | 12 | 11 | 10 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 11 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Isla Mujeres in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Isla Mujeres is worst in June — around 25 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (November, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 7 | 8 | 12 | 15 | 25 | 22 | 18 | 12 | 9 | 6 | 6 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 7 | Good |
| Mar | 8 | Good |
| Apr | 12 | Good |
| May | 15 | Moderate |
| Jun | 25 | Moderate |
| Jul | 22 | Moderate |
| Aug | 18 | Moderate |
| Sep | 12 | Moderate |
| Oct | 9 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is Isla Mujeres?
Isla Mujeres sits at 21.2°N, 86.7°W, 0 m above sea level, in Mexico. The nearest listed city is Cancun, 14 km away.
Topography around Isla Mujeres
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Isla Mujeres.
Within 3 km, the terrain around Isla Mujeres has only modest variations in elevation — a maximum elevation change of 23 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, only modest variations in elevation — a maximum elevation change of 30 m.
The land around Isla Mujeres is covered by water (90%) within 3 km, water (84%) within 16 km, and water (58%) and trees (35%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Isla Mujeres (21.2311°, -86.731°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).