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Duncan

Current Weather

Planning a trip to Duncan? This section provides the most up-to-date weather information and detailed forecasts for this corner of the USA to help you plan your perfect getaway.

Overview

Duncan, located in Arizona, is characterized by a typical desert climate. This region of the USA is known for its hot, cloudless summers and cool, invigorating winters. Thanks to the low humidity and abundance of sunny days, the town attracts outdoor enthusiasts almost year-round.

Seasonality here is quite distinct: dry and warm spring months give way to summer heat, which is occasionally tempered by short but intense monsoon rains. Winter in Duncan is usually mild during the day, but it can surprise you with a sharp drop in temperature after sunset, creating a unique atmosphere of contrasts typical of high-desert regions.

Temperature

Temperatures in Duncan show impressive variety throughout the year. The hottest period is traditionally June and July, when the mercury often reaches +37°C. During this time, the town is bathed in bright sunlight, and the heat feels particularly intense due to the dry air. However, even at the height of summer, nights bring welcome relief as temperatures drop to a comfortable +18...+23°C.

Winter months, especially January, are characterized by mild, sunny days with temperatures around +14°C. Nevertheless, travelers should be prepared for significant diurnal fluctuations: after sunset, the temperature in Duncan can plummet rapidly, sometimes reaching -4°C.

The shoulder seasons of spring and autumn offer the most pleasant weather for exploring. In April and October, daytime highs stabilize around +26°C, which, combined with the gentle sun, creates ideal conditions for sightseeing in the USA without the sweltering heat or winter chill.

Average monthly temperature

Precipitation

Precipitation in Duncan is infrequent, which is typical for an arid climate. The annual average is only about 300 mm, and most of this moisture falls as rain. Snow is considered a rarity; while possible in the winter months, it rarely forms a lasting cover and melts quickly under the Arizona sun.

The primary "wet" season occurs during the summer monsoons in July and August. These months can bring sudden and powerful downpours that offer temporary relief from the heat. Statistics show that July sees about 7 rainy days—the highest for the region—while the rest of the summer remains predominantly dry.

The driest periods are spring and late autumn. In April and May, the probability of precipitation is minimal, and the number of sunny days per month reaches its peak. This is the ideal time for those who want to guarantee a rain-free visit to the USA.

Average monthly precipitation

Packing Tips

When packing for Duncan, the key is layering. For a summer trip, choose clothing made from natural, breathable fabrics, and don't forget a wide-brimmed hat and sunglasses. Given the high solar activity in this part of the USA, SPF 50+ sunscreen is a must-have. Even in summer, pack a light windbreaker or sweater for cool evenings when the temperature drops noticeably.

If your trip is planned for winter, prepare for temperature contrasts: a light sweater or shirt will suffice during the day, but a warm jacket, scarf, and gloves are essential for evening and night walks as temperatures can drop below freezing. Sturdy hiking boots are useful in any season, especially if you plan to explore the desert landscapes. During the monsoon season (July–August), it's a good idea to carry a compact umbrella or raincoat.

Average monthly wind speed (speed and direction)

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