AI-generatedAsunción at a glance
- Best time
- Apr – Sep
- Warmest month
- Jan · 32°
- Sunshine a year
- 2,390 h
- Rain a year
- 1,513 mm
- Climate
- Subtropical
- Time zone
- UTC−3
- Elevation
- 113 m
Climate in Asunción
Asunción has a subtropical climate with warm summers and mild winters. January is the warmest month with average highs of 32 °C, while June is the coolest at 22 °C. With around 2,390 hours of sunshine a year, Asunción is sunny; January is the sunniest month with 8.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: April – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 22°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 28°
- Evening, 20:00: about 24°
- Night, 23:00: about 22°
06:1718:56
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:03–06:47 · evening 18:25–19:10
- Blue hour
- Morning 05:54–06:03 · evening 19:10–19:19
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.
What is the weather like in Asunción in October?
In October, Asunción is hot: daytime highs average 29 °C, and nights cool down to about 20 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 189 mm in total. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Asunción.
More details for October
- Daylight
- 12 h 39 min06:17 – 18:56
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 17 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 51 %on averageAll months
- Hot days
- 12 days30 °C or moreAll months
- Time zone
- UTC−3America/Asuncion
How the score comes together
- Temperatureweight 50 %79 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Sunshine hours in Asunción
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 6.8 of 12.6 hours of daylight in Asunción, 54 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Asunción
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 11 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in December (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 30 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, 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.
Rain in Asunción: 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, Asunción has about 12 rainy days with 189 mm of rain in total.
Wind and clouds in Asunción
How breezy and how cloudy Asunción 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 Asunción typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 51 % of the sky over Asunción: variable cloud, with about 6.8 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.
Heat and humidity in Asunción
How often the day gets hot in Asunción (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Asunción has about 12 hot days, with an average daytime high of 29 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Asunción
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
WarmOctober: nights around 20°. Tropical nights: a fan or air conditioning helps. Muggy on about 17 days (dew point 18 °C or more).
The coolest nights are in July (13°), the warmest in January (24°). Tropical nights of 20 °C and more are the rule from October to April; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and from August to September. It is muggy (dew point 18 °C or more) on about 180 days a year, mostly from October to April.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 47 | 32° | 24° | 8.4 h | 12 | 121 |
| FebruaryFeb | 49 | 32° | 23° | 7.3 h | 12 | 130 |
| MarchMar | 57 | 31° | 22° | 6.9 h | 11 | 112 |
| AprilApr | 75 | 28° | 20° | 6.1 h | 10 | 150 |
| MayMay | 77 | 23° | 16° | 5.0 h | 9 | 124 |
| JuneJun | 75 | 22° | 14° | 4.6 h | 9 | 96 |
| JulyJul | 80 | 22° | 13° | 5.2 h | 7 | 72 |
| AugustAug | 86 | 25° | 15° | 6.2 h | 6 | 68 |
| SeptemberSep | 81 | 27° | 17° | 6.5 h | 9 | 110 |
| OctoberOct | 64 | 29° | 20° | 6.8 h | 12 | 189 |
| NovemberNov | 63 | 30° | 20° | 7.5 h | 11 | 183 |
| DecemberDec | 53 | 31° | 23° | 8.2 h | 12 | 158 |
Climate averages 1996–2025, 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
25.29° S, 57.65° W · 113 m · America/Asuncion
Best time to visit Asunción
The best time to visit Asunción is from April to September. For sightseeing, day trips and hiking, conditions are most comfortable from April to September. Rain is most frequent in October and in December; the wettest month is October with 189 mm.
Asunción through the seasons
How the weather changes over the seasons, with averages for each.
Asunción in spring
Sep – Nov
Good
- 27–30 °C by day
- 7 h of sun a day
- 33 rainy days in all
Asunción in summer
Dec – Feb
Fair
- 31–32 °C by day
- 8 h of sun a day
- 36 rainy days in all
Asunción in autumn
Mar – May
Good
- 23–31 °C by day
- 6 h of sun a day
- 29 rainy days in all
Asunción in winter
Jun – Aug
Excellent
- 22–25 °C by day
- 5 h of sun a day
- 22 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Asunción for you.
Your best months: May, July – August
Based on the climate averages; tap a month to see its details.
Compare two months in Asunción
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Asunción: score 86 against 64. In August, days are 4 °C cooler than in October. August has 6 fewer rainy days. The sun shines an hour less a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 64 | 86better |
| Day high | 29° | 25° |
| Night low | 20° | 15° |
| Sunshine | 6.8 hbetter | 6.2 h |
| Rainy days | 12 | 6better |
| Rainfall | 189 mm | 68 mmbetter |
| Muggy days | 17 | 2better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Sep
15–28 °C and not too much rain
Rainy months
Oct, Dec
12 or more rainy days
Asunción month by month
The typical weather for every month at a glance.
47January32° · 8 h
In January, Asunción is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 121 mm in total. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Asunción.
Asunción in January49February32° · 7 h
In February, Asunción is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 130 mm in total. On about 20 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is a so-so month for a holiday in Asunción.
Asunción in February57March31° · 7 h
In March, Asunción is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 112 mm in total. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a so-so month for a holiday in Asunción.
Asunción in March75April28° · 6 h
In April, Asunción is hot: daytime highs average 28 °C, and nights cool down to about 20 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 150 mm in total. On about 10 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Asunción.
Asunción in April77May23° · 5 h
In May, Asunción is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. Expect around 5 hours of sunshine a day. Rain falls on about 9 days, adding up to 124 mm. All in all, May is a good month for a holiday in Asunción.
Asunción in May75June22° · 5 h
In June, Asunción is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. Expect around 5 hours of sunshine a day. Rain falls on about 9 days, adding up to 96 mm. All in all, June is a good month for a holiday in Asunción.
Asunción in June80July22° · 5 h
In July, Asunción is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. Expect around 5 hours of sunshine a day. Rain falls on about 7 days, adding up to 72 mm. All in all, July is an excellent month for a holiday in Asunción.
Asunción in July86August25° · 6 h
In August, Asunción is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. Expect around 6 hours of sunshine a day. Rain falls on about 6 days, adding up to 68 mm. On about 6 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Asunción.
Asunción in August81September27° · 7 h
In September, Asunción is warm: daytime highs average 27 °C, and nights cool down to about 17 °C. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 110 mm. On about 10 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Asunción.
Asunción in September64October29° · 7 h
In October, Asunción is hot: daytime highs average 29 °C, and nights cool down to about 20 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 189 mm in total. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in Asunción.
Asunción in October63November30° · 8 h
In November, Asunción is hot: daytime highs average 30 °C, and even at night it stays warm at around 20 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 183 mm in total. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in Asunción.
Asunción in November53December31° · 8 h
In December, Asunción is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 158 mm in total. On about 21 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Asunción.
Asunción in DecemberAsunción compared
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Asunción vs. Foz do Iguaçu
In October the holiday weather in Asunción and Foz do Iguaçu is about equally good (score 64 vs. 61). During the day Foz do Iguaçu is 1 °C cooler than Asunción. Foz do Iguaçu gets 2 fewer hours of sunshine a day.
| in October | Asunción | Foz do Iguaçu |
|---|---|---|
| Holiday score | 64 | 61 |
| Daytime high | 29° | 28° |
| Sunshine | 7 h | 5 h |
| Rainy days | 12 | 13 |
| Best time | Apr – Sep | Apr – Sep |
Through the year
Planning a trip to Asunción
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Asunción 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.
Asunción has its best school-holiday weather during the summer holidays (score 84) and its weakest during the Christmas holidays (score 50).
- 70
Easter holidays
Mar – Apr
Good
- 29 °C by day
- 6.3 h of sun a day
- 10 rainy days a month
- 77
May half-term
May – Jun
Good
- 23 °C by day
- 4.9 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 84
Summer holidays
Jul – Aug
ExcellentBest holidays
- 24 °C by day
- 5.9 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
- 64
October half-term
Oct
Good
- 29 °C by day
- 6.8 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 50
Christmas holidays
Dec – Jan
Fair
- 32 °C by day
- 8.3 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 12 h 45 min
- Distance
- 10,190 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.
Frequently asked questions about Asunción
When is the best time to visit Asunción?
The best time to visit Asunción is from April to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Asunción?
January is the warmest month, with average highs of 32 °C and nights around 24 °C. June is the coolest month at 22 °C.
When does it rain most in Asunción?
Rain is most frequent in October and in December; the wettest month is October with 189 mm. The driest month is August with 68 mm.
How many hours of sunshine does Asunción get?
Asunción gets around 2,390 hours of sunshine a year. The sunniest month is January with 8.4 hours a day; in June there are 4.6 hours a day.
What time zone is Asunción in?
Asunción uses the time zone America/Asuncion, at UTC−3 all year.
How long is the flight from London to Asunción?
A nonstop flight from London to Asunción takes about 12 h 45 min, for a straight-line distance of about 10,190 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Asunción?
Asunción has its best school-holiday weather during the summer holidays (score 84) and its weakest during the Christmas holidays (score 50). Holiday ratings (0–100): Easter holidays 70, May half-term 77, Summer holidays 84, October half-term 64, Christmas holidays 50.
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Destinations whose weather through the year is closest to Asunción's – good alternatives.