El Rosario weather in March
In March, El Rosario sees average daytime highs of 29°C and overnight lows near 14°C, with 5 mm of rain across 0.6 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 10th-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 63% of the time in March, and the air most often feels comfortable.
Daylight stretches from about 11 h 30 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is El Rosario's 3rd-clearest and 4th-windiest month. For the whole year in context, see El Rosario's year-round climate.
- Daytime high
- 29°
- 9th warmest
- Overnight low
- 14°
- 4th coldest
- Rainfall
- 5 mm
- 0.6 wet days
- Daylight
- 11 h 48 min
- 6:18 AM – 6:08 PM
- Cloud cover
- 32%
- 3rd clearest
- Wind
- 5 km/h
- 4th windiest
- Solar energy
- 6.62 kWh/m²
- Travel score
- 7.4
- out of 10
Temperature in March
Day-to-day highs hold fairly steady near 29°C through the month.
A typical March day in El Rosario reaches about 29°C in the afternoon and slips back to 14°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, March runs about 1°C warmer than February and about 2°C cooler than April.
| 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 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 14 |
| 2 | 28 | 14 |
| 3 | 28 | 14 |
| 4 | 28 | 14 |
| 5 | 28 | 14 |
| 6 | 28 | 14 |
| 7 | 28 | 14 |
| 8 | 28 | 14 |
| 9 | 28 | 14 |
| 10 | 28 | 14 |
| 11 | 28 | 14 |
| 12 | 28 | 14 |
| 13 | 28 | 14 |
| 14 | 29 | 14 |
| 15 | 29 | 14 |
| 16 | 29 | 14 |
| 17 | 29 | 14 |
| 18 | 29 | 14 |
| 19 | 29 | 15 |
| 20 | 29 | 15 |
| 21 | 29 | 15 |
| 22 | 29 | 15 |
| 23 | 29 | 15 |
| 24 | 29 | 15 |
| 25 | 29 | 15 |
| 26 | 29 | 15 |
| 27 | 29 | 15 |
| 28 | 29 | 15 |
| 29 | 29 | 15 |
| 30 | 29 | 15 |
| 31 | 29 | 15 |
How March really feels in El Rosario
Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
El Rosario weather by month
How March compares with the rest of the year at a glance. March is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 13° | 20 | 2.1 | 10.7 | 8.1 |
| Feb | 27° / 13° | 19 | 1.4 | 11.2 | 8.1 |
| Mar | 29° / 14° | 5 | 0.6 | 11.8 | 7.4 |
| Apr | 30° / 16° | 1 | 0.2 | 12.5 | 6.3 |
| May | 32° / 19° | 3 | 0.5 | 13.1 | 5.2 |
| Jun | 32° / 23° | 70 | 9.3 | 13.4 | 4.1 |
| Jul | 31° / 23° | 236 | 24 | 13.3 | 3.0 |
| Aug | 30° / 23° | 281 | 26.1 | 12.8 | 2.9 |
| Sep | 30° / 23° | 244 | 24.3 | 12.1 | 3.2 |
| Oct | 30° / 21° | 92 | 11.3 | 11.5 | 5.0 |
| Nov | 29° / 17° | 30 | 2.6 | 10.9 | 6.9 |
| Dec | 27° / 14° | 18 | 2.3 | 10.6 | 8.0 |
Cloud cover in March
The sky is clear or mostly clear about 63% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 10% of March, with mostly cloudy or overcast conditions the remaining 26%.
| 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 (%) | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 72 | 72 | 73 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 74 | 74 | 74 | 73 |
| Cloudier (%) | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 26 | 26 | 26 | 27 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 70 | 30 |
| 3 | 70 | 30 |
| 4 | 70 | 30 |
| 5 | 71 | 29 |
| 6 | 71 | 29 |
| 7 | 71 | 29 |
| 8 | 71 | 29 |
| 9 | 72 | 28 |
| 10 | 72 | 28 |
| 11 | 73 | 27 |
| 12 | 73 | 27 |
| 13 | 74 | 26 |
| 14 | 74 | 26 |
| 15 | 75 | 25 |
| 16 | 75 | 25 |
| 17 | 76 | 24 |
| 18 | 76 | 24 |
| 19 | 76 | 24 |
| 20 | 77 | 23 |
| 21 | 77 | 23 |
| 22 | 77 | 23 |
| 23 | 77 | 23 |
| 24 | 77 | 23 |
| 25 | 76 | 24 |
| 26 | 76 | 24 |
| 27 | 76 | 24 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
| 31 | 73 | 27 |
Chance of precipitation in March
El Rosario gets around 5 mm of rain over 0.6 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 2% and peaks near 3% on the wettest days.
| 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 (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Rain chance (%) | |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 3 |
| 9 | 3 |
| 10 | 3 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 2 |
| 21 | 2 |
| 22 | 2 |
| 23 | 2 |
| 24 | 1 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
| 31 | 1 |
Humidity in March
Most of March feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the comfortable band about 56% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Comfortable (%) | 55 | 56 | 56 | 56 | 58 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 57 | 57 | 56 | 57 | 56 | 57 | 56 | 57 | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 53 | 53 | 53 |
| Humid (%) | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 32 |
| Muggy (%) | 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 | 0 | 0 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 19 | 55 | 25 | 1 |
| 2 | 18 | 56 | 25 | 1 |
| 3 | 18 | 56 | 25 | 1 |
| 4 | 18 | 56 | 25 | 1 |
| 5 | 17 | 58 | 24 | 1 |
| 6 | 17 | 57 | 25 | 1 |
| 7 | 17 | 57 | 25 | 1 |
| 8 | 17 | 57 | 25 | 1 |
| 9 | 17 | 57 | 25 | 1 |
| 10 | 17 | 57 | 25 | 1 |
| 11 | 17 | 58 | 25 | 0 |
| 12 | 17 | 58 | 25 | 0 |
| 13 | 17 | 58 | 25 | 0 |
| 14 | 17 | 57 | 26 | 0 |
| 15 | 17 | 57 | 26 | 0 |
| 16 | 17 | 56 | 27 | 0 |
| 17 | 16 | 57 | 27 | 0 |
| 18 | 16 | 56 | 28 | 0 |
| 19 | 15 | 57 | 28 | 0 |
| 20 | 15 | 56 | 29 | 0 |
| 21 | 14 | 57 | 29 | 0 |
| 22 | 14 | 56 | 30 | 0 |
| 23 | 14 | 56 | 30 | 0 |
| 24 | 14 | 55 | 31 | 0 |
| 25 | 14 | 55 | 31 | 0 |
| 26 | 14 | 55 | 31 | 0 |
| 27 | 14 | 54 | 32 | 0 |
| 28 | 14 | 54 | 32 | 0 |
| 29 | 14 | 53 | 32 | 1 |
| 30 | 14 | 53 | 32 | 1 |
| 31 | 14 | 53 | 32 | 1 |
Wind in March
Winds average 5 km/h in March.
Across March, daily wind ranges from about 5 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 30 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over March. Sunrise moves from 6:32 AM to 6:03 AM, and sunset from 6:02 PM to 6:14 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) | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| Sunrise (AM) | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 | 6:27 | 6:26 | 6:26 | 6:25 | 6:24 | 6:23 | 6:22 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:16 | 6:15 | 6:14 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:07 | 6:06 | 6:05 | 6:04 | 6:03 |
| Sunset (PM) | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:13 | 6:14 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.5 | 6:32 | 6:02 |
| 2 | 11.5 | 6:31 | 6:02 |
| 3 | 11.5 | 6:30 | 6:03 |
| 4 | 11.6 | 6:29 | 6:03 |
| 5 | 11.6 | 6:28 | 6:04 |
| 6 | 11.6 | 6:27 | 6:04 |
| 7 | 11.6 | 6:26 | 6:04 |
| 8 | 11.7 | 6:26 | 6:05 |
| 9 | 11.7 | 6:25 | 6:05 |
| 10 | 11.7 | 6:24 | 6:06 |
| 11 | 11.7 | 6:23 | 6:06 |
| 12 | 11.7 | 6:22 | 6:07 |
| 13 | 11.8 | 6:21 | 6:07 |
| 14 | 11.8 | 6:20 | 6:07 |
| 15 | 11.8 | 6:19 | 6:08 |
| 16 | 11.8 | 6:18 | 6:08 |
| 17 | 11.9 | 6:17 | 6:09 |
| 18 | 11.9 | 6:16 | 6:09 |
| 19 | 11.9 | 6:15 | 6:09 |
| 20 | 11.9 | 6:14 | 6:10 |
| 21 | 11.9 | 6:13 | 6:10 |
| 22 | 12.0 | 6:12 | 6:10 |
| 23 | 12.0 | 6:11 | 6:11 |
| 24 | 12.0 | 6:10 | 6:11 |
| 25 | 12.0 | 6:09 | 6:12 |
| 26 | 12.1 | 6:08 | 6:12 |
| 27 | 12.1 | 6:07 | 6:12 |
| 28 | 12.1 | 6:06 | 6:13 |
| 29 | 12.1 | 6:05 | 6:13 |
| 30 | 12.2 | 6:04 | 6:13 |
| 31 | 12.2 | 6:03 | 6:14 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 6.62 kWh/m².
For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 7.68 kWh/m² in May across the year — March's 6.62 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) | 6.0 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.1 | 7.1 |
| 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 | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.0 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.2 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.5 | Intense |
| 15 | 6.6 | Intense |
| 16 | 6.6 | Intense |
| 17 | 6.7 | Intense |
| 18 | 6.7 | Intense |
| 19 | 6.7 | Intense |
| 20 | 6.8 | Intense |
| 21 | 6.8 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.9 | Intense |
| 24 | 6.9 | Intense |
| 25 | 7.0 | Intense |
| 26 | 7.0 | Intense |
| 27 | 7.0 | Intense |
| 28 | 7.0 | Intense |
| 29 | 7.0 | Intense |
| 30 | 7.1 | Intense |
| 31 | 7.1 | Intense |
Hazard calendar for El Rosario
None of El Rosario's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
El Rosario sits in the eastern Pacific hurricane zone; the season peaks August–September.
El Rosario's monsoon runs July–September, when most of the year's rain falls.
Is March a good time to visit El Rosario?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is one of the better times to visit El Rosario for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for El Rosario in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, El Rosario sees daytime highs around 29°C and nights near 14°C. Pack light clothes and sun protection.
Sea temperature near El Rosario in March
The nearest coast averages about 23°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 31 km away) is warmest in August at about 30°C and coldest in March near 23°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) | 24 | 23 | 23 | 23 | 26 | 28 | 29 | 30 | 30 | 30 | 28 | 25 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 23 | Refreshing |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 30 | Tropical |
| Nov | 28 | Warm |
| Dec | 25 | Warm |
UV index in El Rosario in March
Clear-sky midday UV in March 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 El Rosario peaks around May 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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) | 6 | 9 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 8 | 6 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 6 | High |
Air quality in El Rosario in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in El Rosario is worst in May — around 22 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (January, 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) | 6 | 6 | 7 | 11 | 22 | 14 | 8 | 8 | 9 | 8 | 7 | 6 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 6 | Good |
| Mar | 7 | Good |
| Apr | 11 | Good |
| May | 22 | Moderate |
| Jun | 14 | Moderate |
| Jul | 8 | Good |
| Aug | 8 | Good |
| Sep | 9 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is El Rosario?
El Rosario sits at 23.0°N, 105.9°W, 33 m above sea level, in Mexico. The nearest listed city is Escuinapa de Hidalgo, 19 km away.
Topography around El Rosario
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of El Rosario.
Within 3 km, the terrain around El Rosario has only modest variations in elevation — a maximum elevation change of 222 m around an average of 42 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 915 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,912 m.
The land around El Rosario is covered by trees (43%) and cropland (25%) within 3 km, trees (68%) within 16 km, and trees (59%) and water (25%) 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 El Rosario (22.9903°, -105.8542°, elevation 33 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).