Photo: Dario Alpern · CC BY-SA 4.0 · Wikimedia Commons
ChascomúsReport this photo · linked, not stored
ChascomúsReport this photo · linked, not stored
Climate guideThirty-year normals for Chascomús
Chascomús climate by month
Humid subtropical · CfaBest Apr · Sep–Oct
Annual mean16°day and night
Seasonal swing14°warmest vs coolest
Precipitation1,011 mm92 wet days a year
35.58° S, 58.01° WElevation 19 mUTC−3 · Argentina Standard Time
When to goChascomús · weather score
Best timeApr · Sep–Oct
October: high / low21° / 11°
iSummary
What the weather is like
Chascomús has a humid subtropical climate (Köppen Cfa): rain spread through the year and no real dry season.
The warmest month is January, when afternoons average 28° and nights 18°. July is the coolest month, with highs of 14° and lows of 6°. The difference between the warmest and the coolest month is about 14°.
About 1,011 mm of precipitation falls in an average year. March is the wettest month (112 mm, 11 wet days) and May the driest (71 mm, 6 wet days). Cloud cover ranges from 27% in January to 41% in June.
Compared with Buenos Aires, the capital, Chascomús is 1.7° warmer on a January afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 28° · January
- Coldest nights
- 6° · July
- Wettest month
- March
- Driest month
- May
- Clearest skies
- January · 27% cloud
- Longest day
- 14 h 33 min
- Shortest day
- 9 h 46 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 28° | 27° | 25° | 21° | 17° | 14° | 14° | 16° | 17° | 21° | 24° | 27° |
| Average low | 18° | 18° | 16° | 12° | 9° | 7° | 6° | 7° | 8° | 11° | 14° | 16° |
| Precipitation | 111 mm | 104 mm | 112 mm | 97 mm | 71 mm | 51 mm | 52 mm | 54 mm | 62 mm | 108 mm | 94 mm | 95 mm |
| Wet days (≥1 mm) | 8.7 | 10.3 | 11.3 | 8.3 | 5.5 | 6 | 6 | 5.7 | 5.5 | 7 | 8.8 | 8.5 |
| Cloud cover | 27% | 28% | 29% | 32% | 37% | 41% | 39% | 37% | 38% | 36% | 33% | 29% |
| Daylight | 14h 17 | 13h 23 | 12h 20 | 11h 12 | 10h 16 | 9h 46 | 9h 58 | 10h 46 | 11h 51 | 12h 58 | 14h 00 | 14h 33 |
| Month score | 65 | 68 | 73 | 80 | 80 | 61 | 59 | 73 | 81 | 81 | 78 | 73 |
ivMonth by month
Chascomús in every month
January65
28° / 18°
111 mm · 8.7 wet days
February68
27° / 18°
104 mm · 10.3 wet days
March73
25° / 16°
112 mm · 11.3 wet days
April80
21° / 12°
97 mm · 8.3 wet days
May80
17° / 9°
71 mm · 5.5 wet days
June61
14° / 7°
51 mm · 6 wet days
July59
14° / 6°
52 mm · 6 wet days
August73
16° / 7°
54 mm · 5.7 wet days
September81
17° / 8°
62 mm · 5.5 wet days
October81
21° / 11°
108 mm · 7 wet days
November78
24° / 14°
94 mm · 8.8 wet days
December73
27° / 16°
95 mm · 8.5 wet days