Costa Rica weather in August 2021. Average Weather in Jacó Costa Rica. Monteverde. August falls in the rainy season with an average precipitation of 227mm (8.9in). Arenal. Our summer is dry, with no rain. Most developed and touristy beaches- Information about regional climates. It is the middle of the rainy season but many years there is a lull in the rains starting in July and ending in August – especially in Guanacaste. Get the latest coronavirus (COVID-19) updates for Costa Rica with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Costa Rica in August. 9 Ways to Tell the Difference. During these months Costa Rica gets little to no rain and the skies are a vibrant blue. No matter the season in Jaco… Costa Rica Weather: Jaco Dry Season. Our winter, is rainy, but is doesn't rain all day. Jaco Weather August Averages, Costa Rica. Manual Antonio. Daytime maximum temperatures average around a steamy 30°C (85°F), whilst at night 23°C (73°F) is normal. The average maximum temperature lies around 32.0°C (89.6°F). Temperature 29 °C 84 °F; High Temperature 32 °C 90 °F; Low Temperature 25 °C 77 °F; Sunshine Hours 11 hours; Rainfall 110 mm; Rainfall Days 18 days; Sea Temperature 13 °C 55 °F Select a destination to see more weather parameters. Average Weather during August in Jacó (Puntarenas), Costa Rica. Which City Is the Worst for Fall Allergies This Year? Summer (June through August) The middle-year months have very comfortable weather with high temperatures that are comfortable. The climate in Jacó during August can be summarized as hot, humid and very wet. These months see moderate precipitation with 11 to 13 days of precipitation per month. Costa Rica has only 2 seasons, we call them summer and winter. 4:13 am CST ... August: September: Most Popular. Weather in Jaco in August: air temperature, number of sunny days, precipitation, air pressure and humidity. Over the course of the year, the temperature typically varies from 77°F to 92°F and is rarely below 75°F or above 94°F. June – August is fairly slow season for tourism in Jaco, so lodging and other accommodations may cost slightly less. Dry season begins every December and continues through the end of April. Montly weather forecast in Jaco on Yandex.Weather. August is in the summer in Jacó and is typically the 5th coldest month of the year. The average minimum temperature (usually the minimum temperature is noted during the night) in Jacó in August is 22.0°C (71.6°F). Both August and July typically have nicer weather than the months before and after. San Jose. ... Jaco. Most touristy on the Big 3 Circuit. There are only two seasons in Costa Rica: the wet season (from September through early December) and the moderate/dry season (mid-December through August). Costa Rica Weather in August. Let me explain, August is not so rainy. Cold or Flu? Jaco, Costa Rica Monthly Weather. Weather forecast in mobile app. ☂ Online precipitation map and other weather maps. In Jacó, the wet season is oppressive and overcast, the dry season is muggy and partly cloudy, and it is hot year round. This period of time is also referred to as summer or high season in Costa Rica.