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Mar del Plata, Argentina climate
Cfb Oceanic / temperate
Mar del Plata has a mildly seasonal mild-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is January with an average daily high near 81°F, while the coldest is July averaging around 37°F at night. Around 36 inches of precipitation falls each year, peaking in March (4.7 inches) and easing off in October (1.6 inches).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsMar del Plata climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 78 | 76 | 70 | 63 | 57 | 55 | 59 | 61 | 66 | 72 | 76 |
| Avg temp (°F) | 70 | 68 | 66 | 60 | 54 | 48 | 46 | 49 | 52 | 56 | 61 | 65 |
| Avg low (°F) | 58 | 57 | 55 | 49 | 44 | 38 | 37 | 39 | 41 | 46 | 50 | 54 |
| Precipitation (in) | 3.4 | 3.2 | 4.7 | 4.7 | 1.7 | 3.4 | 2.0 | 2.3 | 2.4 | 1.7 | 3.8 | 3.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 78 | 76 | 70 | 63 | 57 |
| Avg temp (°F) | 70 | 68 | 66 | 60 | 54 | 48 |
| Avg low (°F) | 58 | 57 | 55 | 49 | 44 | 38 |
| Precipitation (in) | 3.4 | 3.2 | 4.7 | 4.7 | 1.7 | 3.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 55 | 59 | 61 | 66 | 72 | 76 |
| Avg temp (°F) | 46 | 49 | 52 | 56 | 61 | 65 |
| Avg low (°F) | 37 | 39 | 41 | 46 | 50 | 54 |
| Precipitation (in) | 2.0 | 2.3 | 2.4 | 1.7 | 3.8 | 3.4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 6 | 7 | 6 | 6 | 7 | 6 | 6 | 7 | 7 | 6 |
| Days with high ≥ 90°F (days) | 3 | 2 | 1 | 0.0 | — | — | — | — | — | — | 0.3 | 2 |
| Days with low ≤ 32°F (days) | — | — | — | 0.2 | 2 | 6 | 9 | 6 | 3 | 0.7 | 0.1 | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 6 | 7 | 6 | 6 |
| Days with high ≥ 90°F (days) | 3 | 2 | 1 | 0.0 | — | — |
| Days with low ≤ 32°F (days) | — | — | — | 0.2 | 2 | 6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 6 | 6 | 7 | 7 | 6 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.3 | 2 |
| Days with low ≤ 32°F (days) | 9 | 6 | 3 | 0.7 | 0.1 | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 51 | 52 | 55 | 61 | 62 | 62 | 59 | 59 | 59 | 54 | 50 |
| Clear days (≤ 30% cloud) | 10 | 8 | 9 | 7 | 6 | 5 | 6 | 7 | 7 | 6 | 8 | 10 |
| Partly cloudy days (30–70%) | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 12 | 12 | 12 |
| Cloudy days (≥ 70%) | 10 | 8 | 10 | 11 | 14 | 14 | 15 | 14 | 13 | 13 | 11 | 9 |
| Relative humidity (%) | 73 | 75 | 78 | 79 | 82 | 84 | 85 | 84 | 82 | 81 | 77 | 73 |
| Wind speed (mph) | 10.2 | 10.2 | 10.0 | 10.2 | 9.8 | 10.8 | 10.5 | 10.0 | 10.0 | 9.8 | 10.0 | 10.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 51 | 52 | 55 | 61 | 62 |
| Clear days (≤ 30% cloud) | 10 | 8 | 9 | 7 | 6 | 5 |
| Partly cloudy days (30–70%) | 12 | 12 | 12 | 12 | 11 | 11 |
| Cloudy days (≥ 70%) | 10 | 8 | 10 | 11 | 14 | 14 |
| Relative humidity (%) | 73 | 75 | 78 | 79 | 82 | 84 |
| Wind speed (mph) | 10.2 | 10.2 | 10.0 | 10.2 | 9.8 | 10.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 59 | 59 | 59 | 54 | 50 |
| Clear days (≤ 30% cloud) | 6 | 7 | 7 | 6 | 8 | 10 |
| Partly cloudy days (30–70%) | 11 | 10 | 10 | 12 | 12 | 12 |
| Cloudy days (≥ 70%) | 15 | 14 | 13 | 13 | 11 | 9 |
| Relative humidity (%) | 85 | 84 | 82 | 81 | 77 | 73 |
| Wind speed (mph) | 10.5 | 10.0 | 10.0 | 9.8 | 10.0 | 10.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Mar Del Plata Aero, a weather station, about 8 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.