Yuma
Arizona, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Yuma, AZ

Aerial view of the Arizona/California border with the Colorado River in Yuma, Arizona
Aerial view of the Arizona/California border with the Colorado River in Yuma, Arizona
Yuma has a hot desert climate (Köppen climate classification BWh) with severely hot summers and warm winters.
Yuma lies in the southwest corner of Arizona in the Sonoran Desert, near the eastern borders of California and north of Mexico. The city is in proximity to the Gulf of California, the Colorado and Gila rivers and has the topography of desert lands, farmlands and mountains.

Yuma, the sunniest place on earth, records annual sunshine of 4000 hours. The sunshine registers for a record 90% of daylight hours on an average, as the city is the driest and least humid place in the United States. Average precipitation is a meager 3.4" (86.4mm) over the year with September the rainiest month - odd years hardly receive an inch of rainfall.

Summers are scorching hot and dry with average high temperatures above 100°F (37.8°C). At least 118 days during the year cross the 100°F (37.8°C) mark, while 242 days are above 80.1°F (26.7°C).
Winters are warm with a lack of snowfall, as the average low temperature is 46.9°F (8.3°C) in January. The average low temperatures are above 50°F (10°C) for 239 days and cross 70°F (21.1°C) for 97 days during the year. The freeze-free winters allow the growing season to flourish in the absence of frost and snow. The arid desert climate results in substantial differences between the daily high and low temperatures. Clear skies for long periods are a distinctive feature of Yuma's climate.
Spring and fall are short, as the summer heat is persistent to a lesser degree even during these periods. Summer monsoons bring rain from July to September, with the latter being the rainiest month in Yuma.

The highest recorded temperature in Yuma is 124°F (51.1°C), set in July 1995, while the lowest recorded temperature is 21°F (-6.1°C), set in January 2007.
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The best time to visit Yuma is between November to March when the temperatures are mild, and the weather is comfortable.
The average high temperatures during this period range from a mild 68°F (20°C) to 79°F (26.1°C), while the average low temperatures are between a cozy 46°F (7.8°C) to 59°F (15°C). The sun shines for an average of a daily 9 hours and is suitable for outdoor activities due to its low ultraviolet index. Additionally, winter is relatively less prone to weather hazards compared to the summer with the caveat that many snowbirds migrate to Yuma during the cold winters of the north.

Summer is the worst time to visit Yuma as the temperatures soar above 100°F (37.8°C) for the majority of the period from June to August.
Almost every day during the summer from June to August surpasses 90°F (32.2°C) as the scorching sun breathes fire over the arid landscape. The dry air brings no respite, and the lack of rainfall further exacerbates the heat. Summer occasionally brings storms and flash floods in addition to the high degree of heat.

Yuma is susceptible to occasional tropical storms from the south and life-threatening flash floods during the summer. Hurricanes occur once in a few years, and wind speeds of 40 to 60mph (96.6km/h) are common during these periods due to the vastly open areas and relatively low elevation topography.

January brings mild winter weather in Yuma with the average low temperature of 46°F (7.8°C) and the average high temperature of 70°F (21.1°C). Weather in January »

February has warm temperatures in the average range of 48.9°F (9.4°C) to 73.9°F (23.3°C) and sees a swarm of visitors to Yuma in a bid to escape the snowy winters of the north and east regions of America. Weather in February »

March transitions to the short spring season as the temperatures rise to the average range of 54°F (12.2°C) to 79°F (26.1°C). Weather in March »

April sees a rise in heat as the temperatures glide past 80.1°F (26.7°C) and the average is 59°F (15°C) to 86°F (30°C). Weather in April »

May is hot and sunny with most days above 90°F (32.2°C) and many nights above 60.1°F (15.6°C). Roughly one-third of the days during the month touch high temperature of 100°F (37.8°C). Weather in May »

The average temperatures creep up in the 73.9°F (23.3°C) to 104°F (40°C) zone. Daily highs are mostly above 100°F (37.8°C) and the majority of the nights tend to remain above 70°F (21.1°C). Weather in June »

July is usually the hottest month in Yuma, with an average high temperature of 108°F (42.2°C). It is one of the worst times to visit Yuma with a guarantee that every day the temperature will cross 100°F (37.8°C). Weather in July »

August is hot in Yuma with average temperatures in the 82°F (27.8°C) to 107.1°F (41.7°C). It is the summer monsoon time and usually cloudier and wetter than the usual. Weather in August »

September is the rainiest month in Yuma and an extension of the summer season with the average temperatures in the hot zone of 75.9°F (24.4°C) to 102°F (38.9°C). Weather in September »

October changes the scorching hot summer to the relatively warm temperatures of the shoulder season in the average range of 64.9°F (18.3°C) to 91°F (32.8°C) in Yuma. Weather in October »

The average temperatures are in the 53.1°F (11.7°C) to 78.1°F (25.6°C) range with the majority of the days below 80.1°F (26.7°C) and nights above 50°F (10°C). Weather in November »

December is the coldest month in Yuma with the average low temperature of 46°F (7.8°C) and the average high temperature of 69.1°F (20.6°C). Weather in December »

Wettest months (with the highest rainfall) are August, September and December (0.5").
Driest months (with the lowest rainfall) are May and June (0").

Months with the highest number of rainy days are January and August (2.3 days).
The month with the lowest number of rainy days is June (0.2 days).

Months with the longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January, November and December (Average daylight: 10h).

The month with most sunshine is June (Average sunshine: 13.8h).
The month with least sunshine is December (Average sunshine: 8.2h).

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