AI-generatedRío Grande at a glance
- Best time
- Dec – Feb
- Warmest month
- Jan · 16°
- Warmest sea
- Feb · 10.6°
- Sunshine a year
- 1,700 h
- Rain a year
- 423 mm
- Climate
- Maritime
- Time zone
- UTC−3
- Elevation
- 9 m
Climate in Río Grande
Río Grande has a maritime climate with moderate summers and cool, often grey winters. January is the warmest month with average highs of 16 °C, while July is the coolest at 4 °C. With around 1,700 hours of sunshine a year, Río Grande is moderately sunny; November is the sunniest month with 6.6 hours a day.
Holiday weather through the year
Best time to visit Río Grande
The best time to visit Río Grande is from December to February. The sea stays too cool for a classic beach holiday: even in February it only reaches 10.6 °C. For sightseeing, day trips and hiking, conditions are most comfortable in February and in December. The wettest month is January with 51 mm of precipitation.
Río Grande through the seasons
How the weather changes over the seasons, with averages for each.
Río Grande in spring
Sep – Nov
Fair
- 9–14 °C by day
- Sea 5 °C
- 5.7 h of sun a day
- 24 rainy days in all
Río Grande in summer
Dec – Feb
Good
- 15–16 °C by day
- Sea 10 °C
- 6.2 h of sun a day
- 33 rainy days in all
Río Grande in autumn
Mar – May
Poor
- 7–14 °C by day
- Sea 9 °C
- 3.9 h of sun a day
- 28 rainy days in all
Río Grande in winter
Jun – Aug
Poor
- 4–6 °C by day
- Sea 5 °C
- 2.9 h of sun a day
- 22 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Feb, Dec
15–28 °C and not too much rain
Find your perfect month
Tell us what you like and we rate every month in Río Grande for you.
Your best months: December – February
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: December – February
Where to go in OctoberSea temperature in October
A typical day in October
- Morning, 08:00: about 5°
- Midday, 13:00: about 11°
- Afternoon, 16:00: about 12°
- Evening, 20:00: about 8°
- Night, 23:00: about 5°
06:2520:08
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:03–07:12 · evening 19:21–20:30
- Blue hour
- Morning 05:48–06:03 · evening 20:30–20:45
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Río Grande compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs rise from about 10° at the start of the month to 13° at the end. The sea warms from 4° to 6°. The days get 2.1 h longer.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 10° | 13° |
| Night-time low | 1° | 3° |
| Sea | 4° | 6° |
| Daylight | 12.7 h | 14.8 h |
What is the weather like in Río Grande in October?
In October, Río Grande is cool: daytime highs average 12 °C, and nights cool down to about 2 °C. The sea averages 5.0 °C – swimming is only for the hardy. Expect around 5.9 hours of sunshine a day. Rain falls on about 7 days, adding up to 26 mm. It is often windy: on a typical day the wind peaks at around 36 km/h. All in all, October is a so-so month for a holiday in Río Grande.
More details for October
- Daylight
- 13 h 43 min06:25 – 20:08
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 36 km/haverage daily peakAll months
- Cloud cover
- 60 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC−3offset from UTC
How the score comes together
- Temperatureweight 50 %37 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 30 %76 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Windproof jacket
Compare two months in Río Grande
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
February has the better holiday weather in Río Grande: score 68 against 51. In February, days are 4 °C warmer than in October. The sea is 6 °C warmer in February. February has 2 more rainy days.
| Month | October | February |
|---|---|---|
| Holiday weather score | 51 | 68better |
| Daytime high | 12° | 16° |
| Night-time low | 2° | 6° |
| Sea | 5.0° | 10.6° |
| Sunshine | 5.9 h | 5.6 h |
| Rainy days | 7better | 9 |
| Rainfall | 26 mmbetter | 39 mm |
Based on the climate averages 1996–2025.
Río Grande month by month
The typical weather for every month at a glance.
65January16° · Sea 10° · 6.4 h
In January, Río Grande is mild: daytime highs average 16 °C, and nights cool down to about 6 °C. The sea averages 9.9 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 51 mm in total. It is often windy: on a typical day the wind peaks at around 38 km/h. All in all, January is a good month for a holiday in Río Grande.
Río Grande in January68February16° · Sea 11° · 5.6 h
In February, Río Grande is mild: daytime highs average 16 °C, and nights cool down to about 6 °C. The sea averages 10.6 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 39 mm in total. It is often windy: on a typical day the wind peaks at around 36 km/h. All in all, February is a good month for a holiday in Río Grande.
Río Grande in February52March14° · Sea 10° · 4.6 h
In March, Río Grande is cool: daytime highs average 14 °C, and nights cool down to about 4 °C. The sea averages 10.2 °C – swimming is only for the hardy. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 42 mm in total. It is often windy: on a typical day the wind peaks at around 35 km/h. All in all, March is a so-so month for a holiday in Río Grande.
Río Grande in March35April11° · Sea 9° · 3.9 h
In April, Río Grande is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. The sea averages 9.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3.9 hours a day. Rain is frequent, with about 10 rainy days and 40 mm in total. It is often windy: on a typical day the wind peaks at around 33 km/h. All in all, April is not an ideal month for a holiday in Río Grande.
Río Grande in April21May7° · Sea 8° · 3.1 h
In May, Río Grande is cold: daytime highs average 7 °C, and nights cool down to about 0 °C. The sea averages 7.6 °C – swimming is only for the hardy. The sun is scarce, with only about 3.1 hours a day. Rain falls on about 8 days, adding up to 34 mm. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, May is not an ideal month for a holiday in Río Grande.
Río Grande in May24June4° · Sea 6° · 2.4 h
In June, Río Grande is cold: daytime highs average 4 °C, and nights often drop below freezing (−3 °C). The sea averages 6.0 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. Rain falls on about 7 days, adding up to 27 mm. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, June is not an ideal month for a holiday in Río Grande.
Río Grande in June22July4° · Sea 5° · 2.7 h
In July, Río Grande is cold: daytime highs average 4 °C, and nights often drop below freezing (−3 °C). The sea averages 4.6 °C – swimming is only for the hardy. The sun is scarce, with only about 2.7 hours a day. Rain falls on about 8 days, adding up to 30 mm. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, July is not an ideal month for a holiday in Río Grande.
Río Grande in July25August6° · Sea 4° · 3.6 h
In August, Río Grande is cold: daytime highs average 6 °C, and nights often drop below freezing (−1 °C). The sea averages 3.7 °C – swimming is only for the hardy. The sun is scarce, with only about 3.6 hours a day. Rain falls on about 7 days, adding up to 28 mm. It is often windy: on a typical day the wind peaks at around 31 km/h. All in all, August is not an ideal month for a holiday in Río Grande.
Río Grande in August32September9° · Sea 4° · 4.5 h
In September, Río Grande is cold: daytime highs average 9 °C, and nights cool down to about 0 °C. The sea averages 3.9 °C – swimming is only for the hardy. Expect around 4.5 hours of sunshine a day. Rain falls on about 7 days, adding up to 24 mm. It is often windy: on a typical day the wind peaks at around 32 km/h. All in all, September is not an ideal month for a holiday in Río Grande.
Río Grande in September51October12° · Sea 5° · 5.9 h
In October, Río Grande is cool: daytime highs average 12 °C, and nights cool down to about 2 °C. The sea averages 5.0 °C – swimming is only for the hardy. Expect around 5.9 hours of sunshine a day. Rain falls on about 7 days, adding up to 26 mm. It is often windy: on a typical day the wind peaks at around 36 km/h. All in all, October is a so-so month for a holiday in Río Grande.
Río Grande in October58November14° · Sea 7° · 6.6 h
In November, Río Grande is cool: daytime highs average 14 °C, and nights cool down to about 4 °C. The sea averages 6.8 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Rain is frequent, with about 10 rainy days and 37 mm in total. It is often windy: on a typical day the wind peaks at around 37 km/h. All in all, November is a so-so month for a holiday in Río Grande.
Río Grande in November62December15° · Sea 9° · 6.5 h
In December, Río Grande is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. The sea averages 8.5 °C – swimming is only for the hardy. The sun shines for around 6.5 hours a day. Rain is frequent, with about 11 rainy days and 46 mm in total. It is often windy: on a typical day the wind peaks at around 37 km/h. All in all, December is a good month for a holiday in Río Grande.
Río Grande in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Río Grande
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
ColdOctober: nights around 2°. The room should be heated.
The coolest nights are in July (−3°), the warmest in January (6°). Nights fall below 8 °C on average all year round, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 65 | 16° | 6° | 9.9° | 6.4 h | 13 | 51 |
| FebruaryFeb | 68 | 16° | 6° | 10.6° | 5.6 h | 9 | 39 |
| MarchMar | 52 | 14° | 4° | 10.2° | 4.6 h | 10 | 42 |
| AprilApr | 35 | 11° | 2° | 9.1° | 3.9 h | 10 | 40 |
| MayMay | 21 | 7° | 0° | 7.6° | 3.1 h | 8 | 34 |
| JuneJun | 24 | 4° | −3° | 6.0° | 2.4 h | 7 | 27 |
| JulyJul | 22 | 4° | −3° | 4.6° | 2.7 h | 8 | 30 |
| AugustAug | 25 | 6° | −1° | 3.7° | 3.6 h | 7 | 28 |
| SeptemberSep | 32 | 9° | 0° | 3.9° | 4.5 h | 7 | 24 |
| OctoberOct | 51 | 12° | 2° | 5.0° | 5.9 h | 7 | 26 |
| NovemberNov | 58 | 14° | 4° | 6.8° | 6.6 h | 10 | 37 |
| DecemberDec | 62 | 15° | 5° | 8.5° | 6.5 h | 11 | 46 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
53.79° S, 67.71° W · 9 m · America/Argentina/Ushuaia
Sea temperature in Río Grande
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 4.5 – 5.5 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Río Grande ranges from 3.7 °C in August to 10.6 °C in February. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
The sea warms up slowly: it is warmest in February, while the air already peaks in January. From May to July the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in February, eight out of ten years were between 10.1 and 11.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 9.9° | 9.5° | 10.3° | cold |
| FebruaryFeb | 10.6° | 10.1° | 11.0° | cold |
| MarchMar | 10.2° | 9.7° | 10.7° | cold |
| AprilApr | 9.1° | 8.6° | 9.8° | cold |
| MayMay | 7.6° | 6.9° | 8.2° | cold |
| JuneJun | 6.0° | 5.1° | 6.6° | cold |
| JulyJul | 4.6° | 4.0° | 5.2° | cold |
| AugustAug | 3.7° | 3.0° | 4.3° | cold |
| SeptemberSep | 3.9° | 3.4° | 4.4° | cold |
| OctoberOct | 5.0° | 4.5° | 5.5° | cold |
| NovemberNov | 6.8° | 6.3° | 7.5° | cold |
| DecemberDec | 8.5° | 7.9° | 9.0° | cold |
Sunshine hours in Río Grande
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.9 of 13.7 hours of daylight in Río Grande, 43 % of the daylight hours.
Sunshine hours: measured at the weather station 3 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Río Grande: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Río Grande has about 7 rainy days with 26 mm of rain in total.
UV index in Río Grande
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in December (UV 7).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 40 min
- Light brown skin
- about 55 min
- Olive skin
- about 70 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Río Grande
How breezy and how cloudy Río Grande is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Río Grande typically peaks at 36 km/h during the day: Beaufort 5, fresh breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it is that strong all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 60 % of the sky over Río Grande: variable cloud, with about 5.9 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Planning a trip to Río Grande
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Río Grande in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Río Grande has its best school-holiday weather during the Christmas holidays (score 64) and its weakest during May half-term (score 22).
- 40
Easter holidays
Mar – Apr
Fair
- 12 °C by day
- Sea 9 °C
- 4.1 h of sun a day
- 10 rainy days a month
- 22
May half-term
May – Jun
Poor
- 6 °C by day
- Sea 7 °C
- 3.0 h of sun a day
- 8 rainy days a month
- 24
Summer holidays
Jul – Aug
Poor
- 5 °C by day
- Sea 4 °C
- 3.3 h of sun a day
- 7 rainy days a month
- 51
October half-term
Oct
Fair
- 12 °C by day
- Sea 5 °C
- 5.9 h of sun a day
- 7 rainy days a month
- 64
Christmas holidays
Dec – Jan
GoodBest holidays
- 16 °C by day
- Sea 9 °C
- 6.5 h of sun a day
- 12 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 16 h 30 min
- Distance
- 13,260 km
- Time zone
- UTC−3
- Jet lag
- About 3 days (4 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Río Grande compared
Put Río Grande side by side with another destination.
Río Grande vs Ushuaia
In October Río Grande has the better holiday weather (score 51 vs 9). During the day Ushuaia is 4 °C cooler than Río Grande. The sea in Ushuaia is 1 °C warmer. Ushuaia gets one hour less sunshine a day.
| in October | Río Grande | Ushuaia |
|---|---|---|
| Holiday weather score | 51 | 9 |
| Daytime high | 12° | 8° |
| Sea | 5° | 6° |
| Sunshine | 6 h | 5 h |
| Rainy days | 7 | 17 |
| Best time | Dec – Feb | Jan – Feb |
Through the year
Argentina in October: the best places
In October, Río Grande ranks 22 of 24 destinations in this country.
- Neuquén23°97
- 2Comodoro Rivadavia19°9°96
- 3Puerto San Julián17°7°92
- 4Mendoza24°89
- 5Bahía Blanca23°88
- 6Córdoba27°87
- 7La Plata21°83
- 8Buenos Aires21°19°83
- 22Río GrandeThis page12°5°51
Near Río Grande
Other destinations close by.
Places with a climate like Río Grande
Destinations whose weather through the year is closest to Río Grande's – good alternatives.
Frequently asked questions about Río Grande
When is the best time to visit Río Grande?
The best time to visit Río Grande is from December to February. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Río Grande?
The sea temperature in Río Grande ranges from 3.7 °C in August to 10.6 °C in February. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Río Grande in October?
Only if you don't mind cold water: in October the sea averages just 5.0 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Río Grande?
January is the warmest month, with average highs of 16 °C and nights around 6 °C. July is the coolest month at 4 °C.
When does it rain most in Río Grande?
The wettest month is January with 51 mm of precipitation. The driest month is September with 24 mm.
How many hours of sunshine does Río Grande get?
Río Grande gets around 1,700 hours of sunshine a year. The sunniest month is November with 6.6 hours a day; in June there are 2.4 hours a day.
What time zone is Río Grande in?
Río Grande is on UTC−3 all year.
How long is the flight from London to Río Grande?
A nonstop flight from London to Río Grande takes about 16 h 30 min, for a straight-line distance of about 13,260 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Río Grande?
Río Grande has its best school-holiday weather during the Christmas holidays (score 64) and its weakest during May half-term (score 22). Holiday ratings (0–100): Easter holidays 40, May half-term 22, summer holidays 24, October half-term 51, Christmas holidays 64.