When to Asuncion
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
Peak summer brings sweltering heat with highs of 93°F and significant rainfall of 5.2 inches. High humidity at 70% makes it feel even hotter, though afternoon thunderstorms provide some relief. This is the height of the wet season with frequent precipitation.
February
Hot summer weather continues with temperatures reaching 91°F and the wettest period beginning with 5.8 inches of rainfall. Humidity remains high at 70%, making outdoor activities challenging during midday hours. Frequent afternoon storms are common.
March
Late summer maintains warm temperatures of 89°F with continued wet conditions bringing 5.2 inches of rain. The weather begins to show signs of transitioning toward autumn with slightly more comfortable conditions. Humidity stays steady at 70%.
April
Autumn arrives with more comfortable highs of 84°F, though rainfall peaks at 6.0 inches making it one of the wettest months. The temperature drop makes outdoor activities more pleasant despite the frequent precipitation. Humidity remains at 70%.
May
Pleasant autumn weather with comfortable temperatures reaching 76°F and rainfall decreasing to 5.3 inches. This marks the beginning of the transition to the dry season with more agreeable conditions for sightseeing and outdoor activities.
June
The dry season begins with mild winter temperatures of 74°F and significantly reduced rainfall at 2.8 inches. This is one of the most comfortable months for visiting with pleasant daytime temperatures and cool evenings. Humidity remains at 70%.
July
Peak winter brings the coolest temperatures with highs of only 71°F and minimal rainfall at 1.9 inches. This is the driest period of the year with excellent conditions for outdoor exploration and cultural activities. Cool evenings may require light jackets.
August
The driest month of the year with only 1.5 inches of rainfall and pleasant temperatures reaching 79°F. Winter conditions continue with comfortable daytime weather and cool nights, making it ideal for all outdoor activities and sightseeing.
September
Spring begins with warming temperatures of 82°F and slightly increased rainfall at 3.1 inches. The dry season continues with excellent weather conditions for travel, though temperatures start their gradual climb toward summer. Humidity remains steady at 70%.
October
Spring brings warmer temperatures of 86°F and the return of significant rainfall at 6.2 inches as the wet season approaches. Despite increased precipitation, this remains a good time to visit before the intense summer heat arrives.
November
Late spring sees temperatures climbing to 88°F with the heaviest rainfall of the year at 7.7 inches. The wet season is in full swing with frequent storms and high humidity at 70%, making this one of the most challenging months for outdoor activities.
December
Summer returns with hot temperatures of 91°F and heavy rainfall at 6.9 inches. High humidity at 70% combined with frequent afternoon thunderstorms characterizes this month. Despite the challenging weather, this marks the beginning of the holiday season.