Quilmes, Argentina experiences average highs of 21°C (70°F) and lows of 14°C (57°F) throughout the year. The climate is relatively dry, with only 7 rainy days per month on average. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 1.0°C (1.8°F) across the available records.
Quilmes, Argentina Weather & Climate 2026
Monthly climate averages for Quilmes, Argentina. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
8.1/10
Best: January, February, March, November, December
UV Index
6
High
Temperature 21°C / 14°C
Feels Like 21°C / 12°C
Rainy Days 7
Rainfall 68 mm
Sunshine 9 h
Humidity 73%
Wind Speed 22 km/h
Dew Point 13°C
Frost Days 1 days
Hottest Month
29°C
January
Avg Low21°C
Rain7days
Coldest Month
8°C
July
Avg High14°C
Rain7days
Driest Month
5days
June
Avg High15°C
Avg Low8°C
Windiest Month
24 km/h
November (Gusts 40)
Sea Temperature
11°C – 27°C
Warmest water: January (
26.5°C
)
Worst Time to Visit
Consider avoiding July due to less favorable weather conditions.
Sun Position
Sunrise 08:00
Daylight 9.8h
Sunset 17:50
Live conditions—
Quilmes on the map · live conditions
Quilmes, Argentina
- Continent
- Americas
- Country
- Argentina
- City
- Quilmes
- Population
- 262.4K
- Coordinates
- -34.72°, -58.25°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 21°C
Avg Low 13°C
Rain 7 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 28°C
Avg Low 20°C
Rain 7 days/mo
3/3 best months
Autumn
Mar–May
Avg High 21°C
Avg Low 15°C
Rain 7 days/mo
1/3 best months
Winter
Jun–Aug
Avg High 15°C
Avg Low 8°C
Rain 6 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 29°C / 21°C . Feb: 28°C / 20°C . Mar: 25°C / 18°C . Apr: 21°C / 15°C . May: 17°C / 11°C . Jun: 15°C / 8°C . Jul: 14°C / 8°C . Aug: 16°C / 9°C . Sep: 18°C / 11°C . Oct: 21°C / 13°C . Nov: 25°C / 16°C . Dec: 27°C / 19°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 62 mm. Feb: 76 mm. Mar: 101 mm. Apr: 93 mm. May: 61 mm. Jun: 39 mm. Jul: 54 mm. Aug: 53 mm. Sep: 59 mm. Oct: 74 mm. Nov: 70 mm. Dec: 74 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 66%. Feb: 69%. Mar: 73%. Apr: 77%. May: 79%. Jun: 79%. Jul: 79%. Aug: 75%. Sep: 75%. Oct: 71%. Nov: 67%. Dec: 64%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 24 km/h . Feb: 22 km/h . Mar: 22 km/h . Apr: 21 km/h . May: 21 km/h . Jun: 21 km/h . Jul: 21 km/h . Aug: 22 km/h . Sep: 23 km/h . Oct: 24 km/h . Nov: 24 km/h . Dec: 23 km/h .
Sunshine
Sunshine
Sunshine: Jan: 12h. Feb: 11h. Mar: 10h. Apr: 8h. May: 7h. Jun: 7h. Jul: 7h. Aug: 8h. Sep: 9h. Oct: 10h. Nov: 11h. Dec: 12h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 27°C . Feb: 27°C . Mar: 25°C . Apr: 20°C . May: 17°C . Jun: 13°C . Jul: 11°C . Aug: 12°C . Sep: 15°C . Oct: 20°C . Nov: 22°C . Dec: 25°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 8. Mar: UV 7. Apr: UV 5. May: UV 3. Jun: UV 3. Jul: UV 3. Aug: UV 4. Sep: UV 5. Oct: UV 7. Nov: UV 8. Dec: UV 9.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 1.0°C (1.8°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Feb 2025 · 29°C | Jan · 29°C |
| Coldest month | Jun 2025 · 6°C | Jul · 8°C |
| Wettest month | Mar 2025 · 160 mm | Mar · 101 mm |
| Windiest month | Feb 2025 · 25 km/h | Nov · 24 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April
Good May
Good June
Good July
Fair August
Good September
Good October
Good November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 29°C / 21°C | 31°C / 21°C | 7days (62 mm) Good | 11.8h Excellent | 66% Muggy | 8.9 Very High | Excellent | View Details |
| February best | 28°C / 20°C | 30°C / 20°C | 7days (76 mm) Good | 10.8h Excellent | 69% Muggy | 7.9 Very High | Excellent | View Details |
| March best | 25°C / 18°C | 26°C / 18°C | 8days (101 mm) Wet | 9.9h Good | 73% Muggy | 6.5 High | Excellent | View Details |
| April | 21°C / 15°C | 21°C / 13°C | 8days (93 mm) Wet | 8.2h Good | 77% Humid | 4.6 Moderate | Good | View Details |
| May | 17°C / 11°C | 16°C / 9°C | 6days (61 mm) Good | 7.4h Good | 79% Humid | 3.3 Moderate | Good | View Details |
| June | 15°C / 8°C | 12°C / 5°C | 5days (39 mm) Good | 7h Good | 79% Humid | 2.9 Moderate | Good | View Details |
| July | 14°C / 8°C | 12°C / 4°C | 7days (54 mm) Good | 6.9h Fair | 79% Humid | 3.2 Moderate | Fair | View Details |
| August | 16°C / 9°C | 14°C / 5°C | 5days (53 mm) Good | 8.2h Good | 75% Muggy | 4.1 Moderate | Good | View Details |
| September | 18°C / 11°C | 17°C / 8°C | 6days (59 mm) Good | 8.8h Good | 75% Muggy | 5.4 High | Good | View Details |
| October | 21°C / 13°C | 20°C / 11°C | 8days (74 mm) Wet | 9.9h Good | 71% Muggy | 7.1 Very High | Good | View Details |
| November best | 25°C / 16°C | 25°C / 15°C | 7days (70 mm) Good | 11.3h Excellent | 67% Muggy | 7.9 Very High | Excellent | View Details |
| December best | 27°C / 19°C | 29°C / 18°C | 7days (74 mm) Good | 12h Excellent | 64% Muggy | 8.6 Very High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Quilmes are January, February, March, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Quilmes, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Quilmes is January, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Quilmes is July, with average overnight lows of 8°C (46°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Quilmes is March, averaging 101mm of precipitation across 8 rainy days. An umbrella or waterproof jacket is essential.
Quilmes receives approximately 112 sunshine hours per year. The sunniest month is December with around 12 hours. Based on climate data for Quilmes.
The least favorable months to visit Quilmes are July, primarily due to less favorable weather conditions. For the best conditions, consider January, February, March, November, December instead.
The annual average UV index in Quilmes is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Quilmes is 73%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, November, December average 25°C (77°F), which is warm and comfortable for swimming and water activities.
Quilmes rarely sees significant snowfall but does experience frost, averaging 1 frost days during the colder months.
Average wind speeds in Quilmes are 22 km/h (14 mph). The windiest month is November with peak winds reaching 24 km/h (15 mph) (gusts up to 40 km/h / 25 mph).
Quilmes averages 9 clear-sky days per month with overall cloud cover around 46%. The clearest skies occur in December.
The annual average dew point in Quilmes is 13°C (55°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Quilmes has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Quilmes ranges from 12°C (54°F) to 21°C (70°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Quilmes. It earns a climate score of 6.6/10 with Good.
For June in Quilmes, pack Layered clothing, Light jacket, Comfortable walking shoes. With average highs of 15°C (58°F) and 5 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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