Merlo weather in January
In January, Merlo sees average daytime highs of 29°C and overnight lows near 18°C, with 88 mm of rain across 7.7 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 5th-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 51% of the time in January, and the air most often feels muggy.
Daylight stretches from about 14 h 18 min at the start of January to 13 h 42 min by month's end. Set against the rest of the year, January is Merlo's 1st-clearest and 7th-windiest month. For the whole year in context, see Merlo's year-round climate.
- Daytime high
- 29°
- 1st warmest
- Overnight low
- 18°
- 12th coldest
- Rainfall
- 88 mm
- 7.7 wet days
- Daylight
- 14 h 06 min
- 6:02 AM – 8:07 PM
- Cloud cover
- 43%
- 1st clearest
- Wind
- 13 km/h
- 7th windiest
- Solar energy
- 7.27 kWh/m²
- Travel score
- 5.9
- out of 10
Merlo is city in the province of Buenos Aires in Argentina.
- Founded
- 1755
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 29°C through the month.
A typical January day in Merlo reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.
| 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) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 18 |
| 2 | 29 | 18 |
| 3 | 29 | 18 |
| 4 | 29 | 18 |
| 5 | 29 | 18 |
| 6 | 29 | 18 |
| 7 | 29 | 18 |
| 8 | 29 | 18 |
| 9 | 29 | 18 |
| 10 | 29 | 18 |
| 11 | 29 | 18 |
| 12 | 29 | 18 |
| 13 | 29 | 18 |
| 14 | 29 | 18 |
| 15 | 29 | 18 |
| 16 | 29 | 18 |
| 17 | 29 | 18 |
| 18 | 29 | 18 |
| 19 | 29 | 18 |
| 20 | 29 | 18 |
| 21 | 29 | 18 |
| 22 | 29 | 18 |
| 23 | 29 | 18 |
| 24 | 29 | 18 |
| 25 | 29 | 18 |
| 26 | 29 | 18 |
| 27 | 29 | 18 |
| 28 | 29 | 18 |
| 29 | 29 | 18 |
| 30 | 29 | 18 |
| 31 | 29 | 18 |
Merlo weather by month
How January compares with the rest of the year at a glance. January is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 18° | 88 | 7.7 | 14.1 | 5.9 |
| Feb | 28° / 18° | 93 | 8.3 | 13.3 | 6.4 |
| Mar | 26° / 16° | 85 | 7.5 | 12.3 | 7.3 |
| Apr | 22° / 12° | 91 | 8.1 | 11.2 | 7.2 |
| May | 18° / 9° | 62 | 6.2 | 10.2 | 6.5 |
| Jun | 15° / 7° | 58 | 5.9 | 9.7 | 5.1 |
| Jul | 15° / 6° | 57 | 6 | 9.9 | 4.8 |
| Aug | 17° / 7° | 60 | 5.9 | 10.7 | 5.9 |
| Sep | 19° / 9° | 71 | 6.8 | 11.8 | 6.6 |
| Oct | 22° / 12° | 111 | 9.3 | 12.9 | 6.8 |
| Nov | 25° / 14° | 92 | 8.4 | 13.8 | 7.2 |
| Dec | 28° / 17° | 87 | 8.6 | 14.3 | 6.5 |
Cloud cover in January
The sky is clear or mostly clear about 51% of the time in January, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 34%.
| 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 (%) | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 65 | 65 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 65 | 65 |
| Cloudier (%) | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 35 | 35 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 35 | 35 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 64 | 36 |
| 2 | 64 | 36 |
| 3 | 64 | 36 |
| 4 | 65 | 35 |
| 5 | 65 | 35 |
| 6 | 65 | 35 |
| 7 | 65 | 35 |
| 8 | 66 | 34 |
| 9 | 66 | 34 |
| 10 | 66 | 34 |
| 11 | 65 | 35 |
| 12 | 65 | 35 |
| 13 | 66 | 34 |
| 14 | 66 | 34 |
| 15 | 66 | 34 |
| 16 | 66 | 34 |
| 17 | 67 | 33 |
| 18 | 67 | 33 |
| 19 | 67 | 33 |
| 20 | 67 | 33 |
| 21 | 67 | 33 |
| 22 | 67 | 33 |
| 23 | 67 | 33 |
| 24 | 67 | 33 |
| 25 | 66 | 34 |
| 26 | 66 | 34 |
| 27 | 66 | 34 |
| 28 | 66 | 34 |
| 29 | 66 | 34 |
| 30 | 65 | 35 |
| 31 | 65 | 35 |
Chance of precipitation in January
Merlo gets around 88 mm of rain over 7.7 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 26% and peaks near 31% 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 (%) | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 |
| Rain chance (%) | |
|---|---|
| 1 | 27 |
| 2 | 27 |
| 3 | 27 |
| 4 | 27 |
| 5 | 27 |
| 6 | 27 |
| 7 | 26 |
| 8 | 26 |
| 9 | 26 |
| 10 | 25 |
| 11 | 25 |
| 12 | 25 |
| 13 | 24 |
| 14 | 24 |
| 15 | 23 |
| 16 | 23 |
| 17 | 23 |
| 18 | 23 |
| 19 | 23 |
| 20 | 23 |
| 21 | 23 |
| 22 | 24 |
| 23 | 24 |
| 24 | 25 |
| 25 | 26 |
| 26 | 27 |
| 27 | 27 |
| 28 | 28 |
| 29 | 29 |
| 30 | 30 |
| 31 | 31 |
Humidity in January
Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the muggy band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 36% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Comfortable (%) | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 17 |
| Humid (%) | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 |
| Muggy (%) | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Oppressive (%) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 |
| Miserable (%) | 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 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 15 | 20 | 29 | 28 | 7 | 0 |
| 2 | 15 | 20 | 29 | 29 | 7 | 0 |
| 3 | 15 | 20 | 29 | 29 | 7 | 0 |
| 4 | 15 | 20 | 28 | 29 | 7 | 0 |
| 5 | 15 | 21 | 28 | 29 | 7 | 0 |
| 6 | 15 | 21 | 28 | 29 | 7 | 0 |
| 7 | 16 | 21 | 28 | 29 | 7 | 0 |
| 8 | 16 | 21 | 28 | 29 | 7 | 0 |
| 9 | 16 | 22 | 27 | 28 | 6 | 0 |
| 10 | 16 | 22 | 27 | 28 | 6 | 0 |
| 11 | 16 | 22 | 27 | 28 | 6 | 0 |
| 12 | 17 | 23 | 27 | 28 | 6 | 0 |
| 13 | 17 | 23 | 27 | 28 | 6 | 0 |
| 14 | 17 | 23 | 27 | 29 | 5 | 0 |
| 15 | 17 | 23 | 27 | 29 | 5 | 0 |
| 16 | 17 | 23 | 27 | 29 | 5 | 0 |
| 17 | 17 | 22 | 27 | 29 | 5 | 0 |
| 18 | 17 | 22 | 27 | 29 | 5 | 0 |
| 19 | 17 | 22 | 27 | 29 | 5 | 0 |
| 20 | 16 | 21 | 27 | 30 | 5 | 0 |
| 21 | 16 | 21 | 27 | 30 | 5 | 0 |
| 22 | 16 | 20 | 28 | 30 | 5 | 0 |
| 23 | 16 | 20 | 28 | 31 | 5 | 1 |
| 24 | 16 | 19 | 28 | 31 | 6 | 1 |
| 25 | 15 | 18 | 28 | 32 | 6 | 1 |
| 26 | 15 | 18 | 28 | 32 | 6 | 1 |
| 27 | 15 | 17 | 28 | 32 | 7 | 1 |
| 28 | 15 | 17 | 28 | 32 | 7 | 1 |
| 29 | 15 | 17 | 28 | 32 | 7 | 1 |
| 30 | 15 | 17 | 28 | 32 | 8 | 1 |
| 31 | 15 | 17 | 27 | 32 | 8 | 1 |
Wind in January
Winds average 13 km/h in January.
Across January, daily wind ranges from about 12 km/h on the calmest days to 13 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) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| 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 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in January
Daylight runs from about 14 h 18 min at the start of January to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over January. Sunrise moves from 5:49 AM to 6:16 AM, and sunset from 8:07 PM to 8:00 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) | 14.3 | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.8 | 13.7 |
| Sunrise (AM) | 5:49 | 5:50 | 5:51 | 5:52 | 5:52 | 5:53 | 5:54 | 5:55 | 5:56 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:14 | 6:15 | 6:16 |
| Sunset (PM) | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:08 | 8:08 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:06 | 8:06 | 8:06 | 8:05 | 8:05 | 8:05 | 8:04 | 8:04 | 8:03 | 8:03 | 8:02 | 8:02 | 8:01 | 8:00 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.3 | 5:49 | 8:07 |
| 2 | 14.3 | 5:50 | 8:07 |
| 3 | 14.3 | 5:51 | 8:07 |
| 4 | 14.3 | 5:52 | 8:07 |
| 5 | 14.2 | 5:52 | 8:07 |
| 6 | 14.2 | 5:53 | 8:07 |
| 7 | 14.2 | 5:54 | 8:07 |
| 8 | 14.2 | 5:55 | 8:08 |
| 9 | 14.2 | 5:56 | 8:08 |
| 10 | 14.2 | 5:56 | 8:07 |
| 11 | 14.2 | 5:57 | 8:07 |
| 12 | 14.2 | 5:58 | 8:07 |
| 13 | 14.1 | 5:59 | 8:07 |
| 14 | 14.1 | 6:00 | 8:07 |
| 15 | 14.1 | 6:01 | 8:07 |
| 16 | 14.1 | 6:02 | 8:07 |
| 17 | 14.1 | 6:03 | 8:07 |
| 18 | 14.0 | 6:03 | 8:06 |
| 19 | 14.0 | 6:04 | 8:06 |
| 20 | 14.0 | 6:05 | 8:06 |
| 21 | 14.0 | 6:06 | 8:05 |
| 22 | 14.0 | 6:07 | 8:05 |
| 23 | 13.9 | 6:08 | 8:05 |
| 24 | 13.9 | 6:09 | 8:04 |
| 25 | 13.9 | 6:10 | 8:04 |
| 26 | 13.9 | 6:11 | 8:03 |
| 27 | 13.8 | 6:12 | 8:03 |
| 28 | 13.8 | 6:13 | 8:02 |
| 29 | 13.8 | 6:14 | 8:02 |
| 30 | 13.8 | 6:15 | 8:01 |
| 31 | 13.7 | 6:16 | 8:00 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 7.27 kWh/m².
For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.45 kWh/m² in December across the year — January's 7.27 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) | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 6.9 | 6.8 | 6.8 |
| 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 | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.4 | Intense |
| 2 | 7.4 | Intense |
| 3 | 7.4 | Intense |
| 4 | 7.4 | Intense |
| 5 | 7.4 | Intense |
| 6 | 7.4 | Intense |
| 7 | 7.4 | Intense |
| 8 | 7.4 | Intense |
| 9 | 7.4 | Intense |
| 10 | 7.4 | Intense |
| 11 | 7.4 | Intense |
| 12 | 7.4 | Intense |
| 13 | 7.4 | Intense |
| 14 | 7.4 | Intense |
| 15 | 7.3 | Intense |
| 16 | 7.3 | Intense |
| 17 | 7.3 | Intense |
| 18 | 7.3 | Intense |
| 19 | 7.3 | Intense |
| 20 | 7.3 | Intense |
| 21 | 7.2 | Intense |
| 22 | 7.2 | Intense |
| 23 | 7.2 | Intense |
| 24 | 7.1 | Intense |
| 25 | 7.1 | Intense |
| 26 | 7.0 | Intense |
| 27 | 7.0 | Intense |
| 28 | 7.0 | Intense |
| 29 | 6.9 | Intense |
| 30 | 6.8 | Intense |
| 31 | 6.8 | Intense |
Is January a good time to visit Merlo?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Merlo for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Merlo in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Merlo sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. About 8 days see rain.
Sea temperature near Merlo in January
The nearest coast averages about 25°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 33 km away) is warmest in January at about 25°C and coldest in July near 13°C.
It's comfortable for a long swim from Nov 9 to Apr 20 — about 5.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 25 | 23 | 21 | 17 | 14 | 13 | 13 | 15 | 18 | 21 | 23 |
| Comfort | Warm | Warm | Refreshing | Refreshing | Cool | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 25 | Warm |
| Mar | 23 | Refreshing |
| Apr | 21 | Refreshing |
| May | 17 | Cool |
| Jun | 14 | Bracing |
| Jul | 13 | Bracing |
| Aug | 13 | Bracing |
| Sep | 15 | Cool |
| Oct | 18 | Cool |
| Nov | 21 | Refreshing |
| Dec | 23 | Refreshing |
UV index in Merlo in January
Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Merlo peaks around January 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 11 | 9 | 6 | 3 | 3 | 3 | 4 | 6 | 8 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 3 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Merlo in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Merlo is worst in June — around 25 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 12 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) | 13 | 14 | 16 | 17 | 22 | 25 | 25 | 24 | 19 | 16 | 13 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 17 | Moderate |
| May | 22 | Moderate |
| Jun | 25 | Moderate |
| Jul | 25 | Moderate |
| Aug | 24 | Moderate |
| Sep | 19 | Moderate |
| Oct | 16 | Moderate |
| Nov | 13 | Moderate |
| Dec | 12 | Moderate |
Where is Merlo?
Merlo sits at 34.7°S, 58.7°W, 13 m above sea level, in Argentina. The nearest listed city is San Antonio de Padua, 3.0 km away.
Topography around Merlo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Merlo.
Within 3 km, the terrain around Merlo has only modest variations in elevation — a maximum elevation change of 30 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, only modest variations in elevation — a maximum elevation change of 84 m.
The land around Merlo is covered by artificial surfaces (75%) within 3 km, artificial surfaces (47%) and trees (23%) within 16 km, and grassland (30%) and cropland (27%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- 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 Merlo (-34.6654°, -58.7274°, elevation 13 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. 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).