June weather forecast
Manaus, Brazil

June brings the winter season to Manaus, but being near the equator, temperatures remain high at 31°C (87.8°F). The weather is drier with comparatively less rainfall and more sunshine hours. Outdoor activities such as local short trekking, wildlife watching or visiting waterfalls become more accessible. Despite winter setting in, the temperatures remain pleasantly warm, a unique feature of the tropical climate of Manuas.

Temperature

As June takes hold in Manaus, the average high-temperature is a still tropical 31°C (87.8°F), nearly mirroring that of the previous month. During June, Manaus's temperature falls to a steady low-temperature average of 23°C (73.4°F).

Heat index

The heat index value during June is calculated to be a blisteringly hot 42°C (107.6°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in June in Manaus is 83%.

Rainfall

In June, in Manaus, the rain falls for 11 days. Throughout June, 115mm (4.53") of precipitation is accumulated. Throughout the year, there are 160 rainfall days, and 2307mm (90.83") of precipitation is accumulated.

Daylight

With an average of 11h and 54min of daylight, June has the shortest days of the year.
On the first day of the month, sunrise is at 05:59 and sunset at 17:56. On the last day of June, sunrise is at 06:05 and sunset at 18:02 -04.

Sunshine

In June, the average sunshine in Manaus is 6.2h.

UV index

In Manaus, the average daily maximum UV index in June is 11. A UV Index of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV radiation for average individuals.
Note: In June, the maximum UV index of 11 transforms into these recommendations:
Ensure every key safety measure. People with light skin might sustain burns in fewer than 5 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Applying and reapplying liberally a broad-spectrum sunscreen of SPF 30+ every two hours, and straight after a swim or outdoor activity is recommended.