October weather forecast
Sullana, Peru

With the onset of October, Sullana transitions into a slightly cooler period with maximum and minimum temperatures reaching 30.2°C (86.4°F) and 18.8°C (65.8°F), respectively. A trivial rain shower of approximately 1mm (0.04") in the entire month marks the first fall season in six months. Owing to the marginal rise in humidity level to 63%, the overall weather conditions remain pleasantly warm. The city continues to enjoy ten hours of daily sunshine, permitting a relaxed outdoor excursion against Sullana's scenic backdrop.

Temperature

October's advent notes a subtle adjustment in average high-temperature to a hot 30.2°C (86.4°F) from September. Throughout October, Sullana witnesses a nighttime temperature average of 18.8°C (65.8°F).

Heat index

Throughout October, the heat index is estimated at a tropical 34°C (93.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In Sullana, Peru, the average relative humidity in October is 63%.

Rainfall

Months with rainfall in Sullana are January through July, October through December. October is the first month it rains. Throughout October, in the average 1.2 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, in Sullana, Peru, there are 69 rainfall days, and 158mm (6.22") of precipitation is accumulated.

Daylight

In October, the average length of the day is 12h and 13min.
On the first day of the month, sunrise is at 06:07 and sunset at 18:16. On the last day of October, in Sullana, sunrise is at 05:57 and sunset at 18:14 -05.

Sunshine

In October, the average sunshine in Sullana, Peru, is 10.1h.

UV index

June through November, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In October, the UV index of 6 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.