Unión, Paraguay — Weather in August 2026

Monthly climate averages for Unión, Paraguay. Based on 10-year ERA5 reanalysis data.

Am Tropical Monsoon
8.9 /10
Excellent

August is an excellent month in Unión

Climate Overview

Unión, Paraguay in August has warm conditions, with highs averaging 26.4°C (80°F). Temperatures drop noticeably between day and night.

This month falls at the end of Winter.

Temperatures remain fairly steady throughout August, with daily highs around 28°C (82°F).

Rainfall is heaviest during the middle of the month, while the last third tends to be drier.

Expect around 8.3h of sunshine at the start of August, increasing to 9.5h by the end.

The warmest days tend to fall around the 31th, averaging 29.1°C (84°F).

Compared to July, this month is about 2°C warmer with 2 more rainy days. Temperatures will rise further into September.

LIVE Current Weather Local Time
LIVE Air Quality

Monthly August Averages

Temperature
26°C / 16°C
Feels Like
26°C / 15°C
Rain
7 days · 87 mm
Sunshine
8.9h / day
Humidity
63% — Moderate
Wind
17 km/h
Wind Direction
E (86°)
Gusts
36 km/h
Daylight
11.3 h
Cloud Cover
34%
Clear Sky Days
15.1
UV Index
5.5 — High
Dew Point
14°C — Comfortable
Moon Phase
Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

36°C 32°C 28°C 24°C 20°C 16°C 12°C 8°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 10 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202531
Wind Speed
Sun Position
Sunrise 07:15
Daylight 11.2h
Sunset 18:29

What to Expect

Daytime temperatures around 26°C (80°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
33°C / 24°C
Feels Like
38°C / 27°C
Rain
12days (131 mm) Wet
Sun
11.2h Excellent
Humidity
68% Muggy
UV
9.2 Very High
View Details
February
Poor
Temp
33°C / 24°C
Feels Like
37°C / 27°C
Rain
11days (100 mm) Wet
Sun
10.9h Excellent
Humidity
69% Muggy
UV
8.3 Very High
View Details
March
Fair
Temp
31°C / 23°C
Feels Like
36°C / 25°C
Rain
11days (125 mm) Wet
Sun
10h Excellent
Humidity
70% Muggy
UV
7.7 Very High
View Details
April
Good
Temp
29°C / 20°C
Feels Like
31°C / 22°C
Rain
9days (131 mm) Wet
Sun
8.9h Good
Humidity
73% Muggy
UV
5.8 High
View Details
May best
Excellent
Temp
25°C / 17°C
Feels Like
26°C / 17°C
Rain
10days (119 mm) Wet
Sun
7.5h Good
Humidity
76% Humid
UV
4.7 Moderate
View Details
June best
Excellent
Temp
23°C / 15°C
Feels Like
24°C / 15°C
Rain
7days (70 mm) Good
Sun
7.5h Good
Humidity
75% Muggy
UV
4.1 Moderate
View Details
July best
Excellent
Temp
24°C / 15°C
Feels Like
24°C / 13°C
Rain
5days (38 mm) Good
Sun
8.4h Good
Humidity
68% Muggy
UV
4.6 Moderate
View Details
August best
Excellent
Temp
26°C / 16°C
Feels Like
26°C / 15°C
Rain
7days (87 mm) Good
Sun
8.9h Good
Humidity
63% Muggy
UV
5.5 High
View Details
September best
Excellent
Temp
30°C / 19°C
Feels Like
31°C / 18°C
Rain
7days (85 mm) Good
Sun
9.4h Good
Humidity
63% Muggy
UV
6.9 High
View Details
October
Wet
Temp
30°C / 21°C
Feels Like
33°C / 21°C
Rain
12days (186 mm) Wet
Sun
9.5h Good
Humidity
68% Muggy
UV
7.6 Very High
View Details
November
Fair
Temp
31°C / 21°C
Feels Like
35°C / 23°C
Rain
10days (146 mm) Wet
Sun
10.9h Excellent
Humidity
66% Muggy
UV
8.3 Very High
View Details
December
Fair
Temp
32°C / 23°C
Feels Like
37°C / 25°C
Rain
11days (143 mm) Wet
Sun
11.2h Excellent
Humidity
68% Muggy
UV
8.5 Very High
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 33°C / 24°C 38°C / 27°C 12days (131 mm) Wet 11.2h Excellent 68% Muggy 9.2 Very High Poor View Details
February 33°C / 24°C 37°C / 27°C 11days (100 mm) Wet 10.9h Excellent 69% Muggy 8.3 Very High Poor View Details
March 31°C / 23°C 36°C / 25°C 11days (125 mm) Wet 10h Excellent 70% Muggy 7.7 Very High Fair View Details
April 29°C / 20°C 31°C / 22°C 9days (131 mm) Wet 8.9h Good 73% Muggy 5.8 High Good View Details
May best 25°C / 17°C 26°C / 17°C 10days (119 mm) Wet 7.5h Good 76% Humid 4.7 Moderate Excellent View Details
June best 23°C / 15°C 24°C / 15°C 7days (70 mm) Good 7.5h Good 75% Muggy 4.1 Moderate Excellent View Details
July best 24°C / 15°C 24°C / 13°C 5days (38 mm) Good 8.4h Good 68% Muggy 4.6 Moderate Excellent View Details
August best 26°C / 16°C 26°C / 15°C 7days (87 mm) Good 8.9h Good 63% Muggy 5.5 High Excellent View Details
September best 30°C / 19°C 31°C / 18°C 7days (85 mm) Good 9.4h Good 63% Muggy 6.9 High Excellent View Details
October 30°C / 21°C 33°C / 21°C 12days (186 mm) Wet 9.5h Good 68% Muggy 7.6 Very High Wet View Details
November 31°C / 21°C 35°C / 23°C 10days (146 mm) Wet 10.9h Excellent 66% Muggy 8.3 Very High Fair View Details
December 32°C / 23°C 37°C / 25°C 11days (143 mm) Wet 11.2h Excellent 68% Muggy 8.5 Very High Fair View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

August is typically excellent for visiting Unión, with average highs of 26°C (80°F) and around 7 rainy days. Unión, Paraguay in August has warm conditions, with highs averaging 26.4°C (80°F). Temperatures drop noticeably between
Unión typically sees around 7 rainy days in August with 87 mm (3.4 in) of total rainfall. An umbrella should suffice.
Evenings in Unión during August are mild at 16°C (61°F). A light cardigan is usually enough.
With highs of 26°C (80°F) and lows of 16°C (61°F) in August, we recommend: Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. Comfortable walking shoes are essential.
Yes, August offers some of the best weather conditions in Unión with comfortable temperatures and lower chances of rain.
The average UV index in Unión during August is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Unión gets approximately 11 hours of daylight per day in August, with around 9 hours of sunshine.
Snow is uncommon in Unión during August based on 10-year climate averages.

Last updated: