Tulum weather in May
In May, Tulum sees average daytime highs of 29°C and overnight lows near 25°C, with 88 mm of rain across 13.2 wet days and about 12.9 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 48% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 12 h 42 min at the start of May to 13 h 06 min by month's end. Set against the rest of the year, May is Tulum's 6th-clearest and 4th-windiest month. For the whole year in context, see Tulum's year-round climate.
- Daytime high
- 29°
- 5th warmest
- Overnight low
- 25°
- 8th coldest
- Rainfall
- 88 mm
- 13.2 wet days
- Daylight
- 13 hours
- 5:17 AM – 6:15 PM
- Cloud cover
- 47%
- 6th clearest
- Wind
- 16 km/h
- 4th windiest
- Solar energy
- 6.27 kWh/m²
- Travel score
- 5.2
- out of 10
Tulum is municipal seat of Tulum, State of Quintana Roo, Mexico.
- Founded
- 1900
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 29°C through the month.
A typical May day in Tulum reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.
| 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 25 |
| 2 | 29 | 25 |
| 3 | 29 | 25 |
| 4 | 29 | 25 |
| 5 | 29 | 25 |
| 6 | 29 | 25 |
| 7 | 29 | 25 |
| 8 | 29 | 25 |
| 9 | 29 | 25 |
| 10 | 29 | 25 |
| 11 | 29 | 25 |
| 12 | 29 | 25 |
| 13 | 29 | 25 |
| 14 | 29 | 25 |
| 15 | 29 | 25 |
| 16 | 29 | 25 |
| 17 | 29 | 25 |
| 18 | 29 | 25 |
| 19 | 29 | 25 |
| 20 | 29 | 25 |
| 21 | 29 | 25 |
| 22 | 29 | 25 |
| 23 | 29 | 25 |
| 24 | 29 | 25 |
| 25 | 29 | 25 |
| 26 | 29 | 25 |
| 27 | 29 | 25 |
| 28 | 29 | 25 |
| 29 | 29 | 26 |
| 30 | 29 | 26 |
| 31 | 29 | 26 |
How May really feels in Tulum
Once humidity and wind are folded in, May averages 31 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tulum weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 22° | 46 | 10.8 | 10.9 | 6.8 |
| Feb | 27° / 22° | 24 | 6.8 | 11.3 | 7.3 |
| Mar | 27° / 23° | 29 | 6.4 | 11.9 | 7.4 |
| Apr | 28° / 24° | 30 | 6.8 | 12.4 | 6.6 |
| May | 29° / 25° | 88 | 13.2 | 12.9 | 5.2 |
| Jun | 29° / 26° | 182 | 19.3 | 13.2 | 4.2 |
| Jul | 30° / 26° | 93 | 16.4 | 13.1 | 4.4 |
| Aug | 30° / 26° | 120 | 18.8 | 12.7 | 4.1 |
| Sep | 30° / 26° | 182 | 23.4 | 12.1 | 3.5 |
| Oct | 29° / 25° | 186 | 19.7 | 11.5 | 4.4 |
| Nov | 28° / 23° | 75 | 11.6 | 11 | 6.2 |
| Dec | 27° / 22° | 49 | 10.8 | 10.8 | 6.7 |
Cloud cover in May
The sky is clear or mostly clear about 48% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over 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 (%) | 76 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 72 | 72 | 72 | 70 | 70 | 70 | 69 | 68 | 67 | 66 | 64 | 63 | 61 | 59 | 57 | 55 | 53 | 51 | 49 | 48 |
| Cloudier (%) | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 30 | 30 | 30 | 31 | 32 | 33 | 34 | 36 | 37 | 39 | 41 | 43 | 45 | 47 | 49 | 51 | 52 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 76 | 24 |
| 2 | 75 | 25 |
| 3 | 75 | 25 |
| 4 | 74 | 26 |
| 5 | 74 | 26 |
| 6 | 74 | 26 |
| 7 | 74 | 26 |
| 8 | 74 | 26 |
| 9 | 74 | 26 |
| 10 | 73 | 27 |
| 11 | 73 | 27 |
| 12 | 72 | 28 |
| 13 | 72 | 28 |
| 14 | 72 | 28 |
| 15 | 70 | 30 |
| 16 | 70 | 30 |
| 17 | 70 | 30 |
| 18 | 69 | 31 |
| 19 | 68 | 32 |
| 20 | 67 | 33 |
| 21 | 66 | 34 |
| 22 | 64 | 36 |
| 23 | 63 | 37 |
| 24 | 61 | 39 |
| 25 | 59 | 41 |
| 26 | 57 | 43 |
| 27 | 55 | 45 |
| 28 | 53 | 47 |
| 29 | 51 | 49 |
| 30 | 49 | 51 |
| 31 | 48 | 52 |
Chance of precipitation in May
Tulum gets around 88 mm of rain over 13.2 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 43% and peaks near 62% on the wettest days. The odds climb 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 (%) | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 35 | 36 | 37 | 39 | 40 | 42 | 44 | 45 | 47 | 48 | 50 | 51 | 53 | 54 | 55 | 57 | 58 | 59 | 60 | 61 | 62 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 29 |
| 3 | 30 |
| 4 | 30 |
| 5 | 30 |
| 6 | 31 |
| 7 | 31 |
| 8 | 32 |
| 9 | 32 |
| 10 | 33 |
| 11 | 35 |
| 12 | 36 |
| 13 | 37 |
| 14 | 39 |
| 15 | 40 |
| 16 | 42 |
| 17 | 44 |
| 18 | 45 |
| 19 | 47 |
| 20 | 48 |
| 21 | 50 |
| 22 | 51 |
| 23 | 53 |
| 24 | 54 |
| 25 | 55 |
| 26 | 57 |
| 27 | 58 |
| 28 | 59 |
| 29 | 60 |
| 30 | 61 |
| 31 | 62 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 99% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 |
| Oppressive (%) | 66 | 67 | 67 | 67 | 68 | 70 | 70 | 70 | 70 | 70 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 65 | 64 | 63 | 61 | 60 | 58 | 56 | 54 | 52 | 50 | 49 | 47 | 45 | 43 |
| Miserable (%) | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 23 | 24 | 25 | 27 | 29 | 31 | 32 | 34 | 36 | 38 | 40 | 43 | 45 | 47 | 49 | 51 | 53 | 56 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 3 | 10 | 66 | 21 |
| 2 | 3 | 9 | 67 | 21 |
| 3 | 3 | 9 | 67 | 21 |
| 4 | 3 | 9 | 67 | 21 |
| 5 | 3 | 8 | 68 | 21 |
| 6 | 2 | 8 | 70 | 20 |
| 7 | 2 | 8 | 70 | 20 |
| 8 | 2 | 8 | 70 | 20 |
| 9 | 2 | 8 | 70 | 20 |
| 10 | 2 | 8 | 70 | 20 |
| 11 | 1 | 8 | 71 | 20 |
| 12 | 1 | 8 | 70 | 21 |
| 13 | 1 | 7 | 70 | 22 |
| 14 | 1 | 7 | 69 | 23 |
| 15 | 1 | 7 | 68 | 24 |
| 16 | 1 | 6 | 68 | 25 |
| 17 | 0 | 6 | 67 | 27 |
| 18 | 0 | 6 | 65 | 29 |
| 19 | 0 | 5 | 64 | 31 |
| 20 | 0 | 5 | 63 | 32 |
| 21 | 0 | 5 | 61 | 34 |
| 22 | 0 | 4 | 60 | 36 |
| 23 | 0 | 4 | 58 | 38 |
| 24 | 0 | 4 | 56 | 40 |
| 25 | 0 | 3 | 54 | 43 |
| 26 | 0 | 3 | 52 | 45 |
| 27 | 0 | 3 | 50 | 47 |
| 28 | 0 | 2 | 49 | 49 |
| 29 | 0 | 2 | 47 | 51 |
| 30 | 0 | 2 | 45 | 53 |
| 31 | 0 | 1 | 43 | 56 |
Wind in May
Winds average 16 km/h in May.
Across May, daily wind ranges from about 15 km/h on the calmest days to 16 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) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in May
Daylight runs from about 12 h 42 min at the start of May to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 24 minutes over May. Sunrise moves from 5:25 AM to 5:14 AM, and sunset from 6:09 PM to 6:21 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) | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 |
| Sunrise (AM) | 5:25 | 5:25 | 5:24 | 5:23 | 5:23 | 5:22 | 5:22 | 5:21 | 5:21 | 5:20 | 5:20 | 5:19 | 5:19 | 5:18 | 5:18 | 5:17 | 5:17 | 5:17 | 5:16 | 5:16 | 5:16 | 5:15 | 5:15 | 5:15 | 5:15 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 |
| Sunset (PM) | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.7 | 5:25 | 6:09 |
| 2 | 12.7 | 5:25 | 6:09 |
| 3 | 12.8 | 5:24 | 6:10 |
| 4 | 12.8 | 5:23 | 6:10 |
| 5 | 12.8 | 5:23 | 6:10 |
| 6 | 12.8 | 5:22 | 6:11 |
| 7 | 12.8 | 5:22 | 6:11 |
| 8 | 12.8 | 5:21 | 6:12 |
| 9 | 12.9 | 5:21 | 6:12 |
| 10 | 12.9 | 5:20 | 6:12 |
| 11 | 12.9 | 5:20 | 6:13 |
| 12 | 12.9 | 5:19 | 6:13 |
| 13 | 12.9 | 5:19 | 6:14 |
| 14 | 12.9 | 5:18 | 6:14 |
| 15 | 12.9 | 5:18 | 6:14 |
| 16 | 13.0 | 5:17 | 6:15 |
| 17 | 13.0 | 5:17 | 6:15 |
| 18 | 13.0 | 5:17 | 6:16 |
| 19 | 13.0 | 5:16 | 6:16 |
| 20 | 13.0 | 5:16 | 6:16 |
| 21 | 13.0 | 5:16 | 6:17 |
| 22 | 13.0 | 5:15 | 6:17 |
| 23 | 13.0 | 5:15 | 6:18 |
| 24 | 13.1 | 5:15 | 6:18 |
| 25 | 13.1 | 5:15 | 6:19 |
| 26 | 13.1 | 5:14 | 6:19 |
| 27 | 13.1 | 5:14 | 6:19 |
| 28 | 13.1 | 5:14 | 6:20 |
| 29 | 13.1 | 5:14 | 6:20 |
| 30 | 13.1 | 5:14 | 6:21 |
| 31 | 13.1 | 5:14 | 6:21 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.27 kWh/m².
For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 6.35 kWh/m² in July across the year — May's 6.27 kWh/m² sits near the top of that range.
| 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) | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.4 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Bright |
| 27 | 6.0 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.9 | Bright |
| 31 | 5.8 | Bright |
Hazard calendar for Tulum
In May, Tulum sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Tulum sits in the Atlantic hurricane belt; the season peaks August–October.
Tulum's rainy season runs May–October, when most of the year's rain falls.
Is May a good time to visit Tulum?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Tulum for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tulum in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Tulum sees daytime highs around 29°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.
Sea temperature near Tulum in May
The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in September at about 29°C and coldest in February near 27°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 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 28 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Tulum in May
Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tulum peaks around June 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 | 10 | 11 | 12 | 11 | 12 | 12 | 12 | 11 | 10 | 7 | 6 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 10 | 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 Tulum in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Tulum is worst in June — around 26 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (December, 7 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 | 9 | 13 | 17 | 26 | 26 | 20 | 14 | 10 | 7 | 7 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 7 | Good |
| Mar | 9 | Good |
| Apr | 13 | Moderate |
| May | 17 | Moderate |
| Jun | 26 | Moderate |
| Jul | 26 | Moderate |
| Aug | 20 | Moderate |
| Sep | 14 | Moderate |
| Oct | 10 | Good |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Tulum?
Tulum sits at 20.2°N, 87.5°W, 5 m above sea level, in Mexico. The nearest listed city is Playa del Carmen, 61 km away.
Topography around Tulum
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tulum.
Within 3 km, the terrain around Tulum has only modest variations in elevation — a maximum elevation change of 19 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 31 m; within 80 km, only modest variations in elevation — a maximum elevation change of 43 m.
The land around Tulum is covered by trees (74%) within 3 km, trees (56%) and water (37%) within 16 km, and trees (60%) and water (36%) 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 Tulum (20.2117°, -87.4633°, elevation 5 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).