Reforma weather in May
In May, Reforma sees average daytime highs of 34°C and overnight lows near 25°C, with 82 mm of rain across 10.5 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 42% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 12 h 36 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Reforma's 4th-clearest and 9th-windiest month. For the whole year in context, see Reforma's year-round climate.
- Daytime high
- 34°
- 1st warmest
- Overnight low
- 25°
- 11th coldest
- Rainfall
- 82 mm
- 10.5 wet days
- Daylight
- 12 h 48 min
- 5:44 AM – 6:34 PM
- Cloud cover
- 51%
- 4th clearest
- Wind
- 7 km/h
- 9th windiest
- Solar energy
- 6.32 kWh/m²
- Travel score
- 2.8
- out of 10
Reforma is municipal seat of Reforma, State of Chiapas, Mexico.
- Founded
- 1883
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 34°C through the month.
A typical May day in Reforma reaches about 34°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 38°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C warmer than 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) | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 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 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 35 | 24 |
| 2 | 35 | 24 |
| 3 | 35 | 24 |
| 4 | 35 | 24 |
| 5 | 35 | 24 |
| 6 | 35 | 25 |
| 7 | 35 | 25 |
| 8 | 35 | 25 |
| 9 | 35 | 25 |
| 10 | 35 | 25 |
| 11 | 35 | 25 |
| 12 | 35 | 25 |
| 13 | 35 | 25 |
| 14 | 34 | 25 |
| 15 | 34 | 25 |
| 16 | 34 | 25 |
| 17 | 34 | 25 |
| 18 | 34 | 25 |
| 19 | 34 | 25 |
| 20 | 34 | 25 |
| 21 | 34 | 25 |
| 22 | 34 | 25 |
| 23 | 34 | 25 |
| 24 | 34 | 25 |
| 25 | 34 | 25 |
| 26 | 34 | 25 |
| 27 | 34 | 25 |
| 28 | 34 | 25 |
| 29 | 34 | 25 |
| 30 | 34 | 25 |
| 31 | 34 | 25 |
How May really feels in Reforma
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.
Reforma weather by month
How May compares with the rest of the year at a glance. May is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 19° | 115 | 11.4 | 11 | 6.4 |
| Feb | 28° / 20° | 78 | 8.8 | 11.4 | 6.1 |
| Mar | 31° / 21° | 48 | 6.6 | 11.9 | 5.1 |
| Apr | 34° / 23° | 51 | 6.6 | 12.4 | 3.6 |
| May | 34° / 25° | 82 | 10.5 | 12.8 | 2.8 |
| Jun | 34° / 25° | 181 | 19.3 | 13 | 2.4 |
| Jul | 34° / 25° | 118 | 16.2 | 13 | 2.6 |
| Aug | 33° / 24° | 187 | 21.9 | 12.6 | 2.4 |
| Sep | 32° / 24° | 249 | 24.8 | 12.1 | 2.6 |
| Oct | 30° / 23° | 234 | 20.2 | 11.6 | 3.7 |
| Nov | 29° / 21° | 154 | 14.7 | 11.2 | 5.1 |
| Dec | 27° / 20° | 106 | 11.6 | 10.9 | 6.2 |
Cloud cover in May
The sky is clear or mostly clear about 42% 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 39%. 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 (%) | 71 | 70 | 69 | 69 | 68 | 68 | 67 | 66 | 65 | 65 | 64 | 64 | 63 | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 59 | 58 | 57 | 56 | 54 | 53 | 51 | 50 | 48 | 47 |
| Cloudier (%) | 29 | 30 | 31 | 31 | 32 | 32 | 33 | 34 | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 40 | 41 | 42 | 43 | 44 | 46 | 47 | 49 | 50 | 52 | 53 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 71 | 29 |
| 2 | 70 | 30 |
| 3 | 69 | 31 |
| 4 | 69 | 31 |
| 5 | 68 | 32 |
| 6 | 68 | 32 |
| 7 | 67 | 33 |
| 8 | 66 | 34 |
| 9 | 65 | 35 |
| 10 | 65 | 35 |
| 11 | 64 | 36 |
| 12 | 64 | 36 |
| 13 | 63 | 37 |
| 14 | 63 | 37 |
| 15 | 63 | 37 |
| 16 | 63 | 37 |
| 17 | 62 | 38 |
| 18 | 62 | 38 |
| 19 | 61 | 39 |
| 20 | 61 | 39 |
| 21 | 60 | 40 |
| 22 | 59 | 41 |
| 23 | 58 | 42 |
| 24 | 57 | 43 |
| 25 | 56 | 44 |
| 26 | 54 | 46 |
| 27 | 53 | 47 |
| 28 | 51 | 49 |
| 29 | 50 | 50 |
| 30 | 48 | 52 |
| 31 | 47 | 53 |
Chance of precipitation in May
Reforma gets around 82 mm of rain over 10.5 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 35% and peaks near 52% 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 (%) | 21 | 21 | 22 | 22 | 23 | 24 | 25 | 26 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 46 | 47 | 49 | 50 | 52 |
| Rain chance (%) | |
|---|---|
| 1 | 21 |
| 2 | 21 |
| 3 | 22 |
| 4 | 22 |
| 5 | 23 |
| 6 | 24 |
| 7 | 25 |
| 8 | 26 |
| 9 | 28 |
| 10 | 29 |
| 11 | 30 |
| 12 | 31 |
| 13 | 32 |
| 14 | 33 |
| 15 | 34 |
| 16 | 35 |
| 17 | 36 |
| 18 | 37 |
| 19 | 38 |
| 20 | 38 |
| 21 | 39 |
| 22 | 40 |
| 23 | 41 |
| 24 | 42 |
| 25 | 43 |
| 26 | 44 |
| 27 | 46 |
| 28 | 47 |
| 29 | 49 |
| 30 | 50 |
| 31 | 52 |
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 64% 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 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 |
| Oppressive (%) | 68 | 69 | 69 | 68 | 70 | 69 | 69 | 68 | 67 | 67 | 66 | 66 | 65 | 65 | 64 | 66 | 65 | 65 | 65 | 64 | 64 | 63 | 64 | 63 | 62 | 61 | 61 | 59 | 58 | 57 | 55 |
| Miserable (%) | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 31 | 32 | 33 | 34 | 35 | 37 | 38 | 39 | 41 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 3 | 15 | 68 | 14 |
| 2 | 2 | 15 | 69 | 14 |
| 3 | 2 | 14 | 69 | 15 |
| 4 | 2 | 14 | 68 | 16 |
| 5 | 1 | 13 | 70 | 16 |
| 6 | 1 | 13 | 69 | 17 |
| 7 | 1 | 12 | 69 | 18 |
| 8 | 1 | 12 | 68 | 19 |
| 9 | 1 | 12 | 67 | 20 |
| 10 | 1 | 11 | 67 | 21 |
| 11 | 1 | 11 | 66 | 22 |
| 12 | 1 | 10 | 66 | 23 |
| 13 | 1 | 10 | 65 | 24 |
| 14 | 1 | 9 | 65 | 25 |
| 15 | 1 | 9 | 64 | 26 |
| 16 | 0 | 8 | 66 | 26 |
| 17 | 0 | 8 | 65 | 27 |
| 18 | 0 | 7 | 65 | 28 |
| 19 | 0 | 7 | 65 | 28 |
| 20 | 0 | 7 | 64 | 29 |
| 21 | 0 | 6 | 64 | 30 |
| 22 | 0 | 6 | 63 | 31 |
| 23 | 0 | 5 | 64 | 31 |
| 24 | 0 | 5 | 63 | 32 |
| 25 | 0 | 5 | 62 | 33 |
| 26 | 0 | 5 | 61 | 34 |
| 27 | 0 | 4 | 61 | 35 |
| 28 | 0 | 4 | 59 | 37 |
| 29 | 0 | 4 | 58 | 38 |
| 30 | 0 | 4 | 57 | 39 |
| 31 | 0 | 4 | 55 | 41 |
Wind in May
Winds average 7 km/h in May.
Across May, daily wind ranges from about 6 km/h on the calmest days to 7 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in May
Daylight runs from about 12 h 36 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 24 minutes over May. Sunrise moves from 5:51 AM to 5:41 AM, and sunset from 6:29 PM to 6:39 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) | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 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 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 |
| Sunrise (AM) | 5:51 | 5:50 | 5:50 | 5:49 | 5:49 | 5:48 | 5:48 | 5:47 | 5:47 | 5:46 | 5:46 | 5:45 | 5:45 | 5:44 | 5:44 | 5:44 | 5:43 | 5:43 | 5:43 | 5:43 | 5:42 | 5:42 | 5:42 | 5:42 | 5:41 | 5:41 | 5:41 | 5:41 | 5:41 | 5:41 | 5:41 |
| Sunset (PM) | 6:29 | 6:29 | 6:30 | 6:30 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:33 | 6:34 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 | 6:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.6 | 5:51 | 6:29 |
| 2 | 12.7 | 5:50 | 6:29 |
| 3 | 12.7 | 5:50 | 6:30 |
| 4 | 12.7 | 5:49 | 6:30 |
| 5 | 12.7 | 5:49 | 6:30 |
| 6 | 12.7 | 5:48 | 6:30 |
| 7 | 12.7 | 5:48 | 6:31 |
| 8 | 12.7 | 5:47 | 6:31 |
| 9 | 12.7 | 5:47 | 6:31 |
| 10 | 12.8 | 5:46 | 6:32 |
| 11 | 12.8 | 5:46 | 6:32 |
| 12 | 12.8 | 5:45 | 6:33 |
| 13 | 12.8 | 5:45 | 6:33 |
| 14 | 12.8 | 5:44 | 6:33 |
| 15 | 12.8 | 5:44 | 6:34 |
| 16 | 12.8 | 5:44 | 6:34 |
| 17 | 12.8 | 5:43 | 6:34 |
| 18 | 12.9 | 5:43 | 6:35 |
| 19 | 12.9 | 5:43 | 6:35 |
| 20 | 12.9 | 5:43 | 6:35 |
| 21 | 12.9 | 5:42 | 6:36 |
| 22 | 12.9 | 5:42 | 6:36 |
| 23 | 12.9 | 5:42 | 6:37 |
| 24 | 12.9 | 5:42 | 6:37 |
| 25 | 12.9 | 5:41 | 6:37 |
| 26 | 12.9 | 5:41 | 6:38 |
| 27 | 12.9 | 5:41 | 6:38 |
| 28 | 13.0 | 5:41 | 6:38 |
| 29 | 13.0 | 5:41 | 6:39 |
| 30 | 13.0 | 5:41 | 6:39 |
| 31 | 13.0 | 5:41 | 6:39 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.32 kWh/m².
For context, solar energy here swings from a low near 3.58 kWh/m² to a high of 6.38 kWh/m² in April across the year — May's 6.32 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) | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 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 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 |
| 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 | Intense | Intense | Intense | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.5 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.1 | Intense |
| 27 | 6.0 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Bright |
| 30 | 5.9 | Bright |
| 31 | 5.9 | Bright |
Hazard calendar for Reforma
None of Reforma's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Reforma sits in the Atlantic hurricane belt; the season peaks August–October.
Reforma's rainy season runs June–November, when most of the year's rain falls.
Is May a good time to visit Reforma?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a weaker month for outdoor sightseeing in Reforma.
What to pack for Reforma in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Reforma sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.
UV index in Reforma in May
Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Reforma peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 7 (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 | 12 | 13 | 7 | 13 | 11 | 13 | 11 | 10 | 8 | 7 |
| Level | High | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 7 | Very high |
| Jun | 13 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Reforma 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 Reforma is worst in May — around 77 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (January, 32 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) | 32 | 37 | 46 | 69 | 77 | 52 | 45 | 40 | 41 | 38 | 36 | 37 |
| Level | Moderate | Poor | Poor | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 32 | Moderate |
| Feb | 37 | Poor |
| Mar | 46 | Poor |
| Apr | 69 | Unhealthy |
| May | 77 | Unhealthy |
| Jun | 52 | Poor |
| Jul | 45 | Poor |
| Aug | 40 | Poor |
| Sep | 41 | Poor |
| Oct | 38 | Poor |
| Nov | 36 | Poor |
| Dec | 37 | Poor |
Where is Reforma?
Reforma sits at 17.9°N, 93.2°W, 27 m above sea level, in Mexico. The nearest listed city is Cunduacán, 23 km away.
Topography around Reforma
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Reforma.
Within 3 km, the terrain around Reforma has only modest variations in elevation — a maximum elevation change of 40 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,423 m.
The land around Reforma is covered by grassland (59%) and trees (23%) within 3 km, grassland (71%) and trees (24%) within 16 km, and grassland (44%) and trees (33%) 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 Reforma (17.859°, -93.1538°, elevation 27 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). 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).