Climate and monthly weather forecast
Douglas, AZ

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The densely populated town of Agua Prieta in Douglas City, Arizona
The densely populated town of Agua Prieta in Douglas City, Arizona

The climate of Douglas

Douglas, Arizona, USA is situated in the desert region, experiencing a Mid-latitude steppe climate. This unique terrain places it under the Köppen climate classification of BSk. A characteristic of this climate category is a noticeable diurnal and seasonal temperature variation due to low humidity levels.

Throughout the year, Douglas has a noticeable heat distribution range. High temperatures, on average, elevate from 58.6°F (14.8°C) in January to a blistering 93.2°F (34°C) by June. The mercury levels gradually decrease, reaching 57.9°F (14.4°C) by December, establishing a defined warm and cool phase. Low temperatures mirror this pattern, with the mercury swinging from a cool 38.8°F (3.8°C) in January to 72°F (22.2°C) in July and again descending to 39.2°F (4°C) in December.

Rainfall in Douglas shows significant monthly differences. The wettest month is July, with an average rainfall of 2.44" (62mm), while the driest months are April and May, each having a scant average of 0.08" (2mm). This pattern indicates a monsoon season from July to September, which is also visible in the higher count of rainy days during these months. The town observes a maximum average of 18.4 rainy days in July, which decreases to a mere 1.8 days by May.

The best time to visit Douglas

Considering the weather conditions and climate, the ideal period to visit Douglas would be the period between April and June. During these months, the city offers a warm and dry climate, with high temperatures ranging from 70°F (21.1°C) to 93.2°F (34°C) and scant rainfall reaching only 0.08" (2mm) in April and May. Moreover, the city basks under an average of more than 11 hours of sunshine each day, offering visitors plenty of opportunities for outdoor activities.

The worst time to visit Douglas

The time to avoid visiting Douglas would have to be the monsoon season from July to September. During this period, the town experiences a surge in rainfall from 2.44" (62mm) in July, easing to 1.1" (28mm) in September. The humidity also rises, going from a manageable 24% in June to 44% in July, making the environment quite uncomfortable.

Spring weather in Douglas

Spring in Douglas, from March to May, is a period of steadily increasing warmth. The average high temperature moves from 70°F (21.1°C) in March up to 83.7°F (28.7°C) in May, while the low temperature fluctuates between 46.9°F (8.3°C) and 55.6°F (13.1°C). Rainfall records are consistently low during this period, not exceeding 0.43" (11mm). The city also enjoys extended daylight hours, with the daylight period extending from 12 hours in March to 13.8 hours in May, while the sunshine duration extends from 9.3 hours to 12 hours.

Summer weather in Douglas

Summer descends on Douglas between June and August. This season is characterized by high temperatures, soaring from 90.1°F (32.3°C) in June to 89.6°F (32°C) in August. Humidity levels rise to 45%, and the rainfall increases drastically to 2.44" (62mm) in July. Despite these conditions, the city benefits from an average of more than 14 hours of daylight.

Autumn weather in Douglas

Autumn in Douglas starts in September and lasts until November. During this period, the temperatures descend gradually; the high temperatures fall from 85.1°F (29.5°C) in September to 67.1°F (19.5°C) by November. Rainfall declines as well, moving from 1.1" (28mm) in September to 0.91" (23mm) in November.

Winter weather in Douglas

Winter in Douglas, from December to February, offers cooler temperatures, with average high temperatures ranging from 57.9°F (14.4°C) to 62.6°F (17°C), and low temperatures between 38.8°F (3.8°C) and 41.2°F (5.1°C). This period also experiences a minimal rainfall of 0.43 to 0.51" (13mm). The town additionally sees some snowfall in December and January, although this is not notable, averaging less than half an inch. Despite the cooler conditions, the city enjoys over 7 hours of average daily sunshine, ensuring a bright winter day.

Weather in January

The arrival of the New Year in Douglas, Arizona, signals the midst of winter, boasting chilly temperatures that encourage residents to bundle up. The crisp winter air is at its most refreshing in January, inspiring hot coffee mornings and cozy fireside evenings. Weather in January »

Weather in February

As winter unfolds, February in Douglas introduces a tentative warmth. There's a gradual shift in the weather pattern, bringing slightly milder temperatures compared to January. It is during this month that 0.47" (12mm) of snow grace the landscape over an average of 0.3 days. Weather in February »

Weather in March

The advent of March in Douglas corresponds to the first whispers of spring. The city emerges from its winter hibernation, basking in the sun-dappled warmth of longer days. The landscape, once dominated by frost and icicles, now courtyard a burst of color with blooming flora. Weather in March »

Weather in April

April in Douglas greets residents with moderate weather and sprouting green landscapes. The city basks in a comfortable warmth that hints at the upcoming summer. The sporadic rains of spring coalesce with the lingering coolness of previous months, paving the way for exuberant growth. Weather in April »

Weather in May

May ushers in the official start of the scorching Douglas summer. While the city remains vibrant with springtime blossoms, the mounting heat is unignorable. The hot sun casts long shadows over the waking city, creating striking contrasts between light and dappled shade. Weather in May »

Weather in June

The climax of the searing Arizona summer arrives in June. With steadily escalating temperatures, the city of Douglas takes on the character of a hot griddle. The unrelenting sun showers down its heat, causing mirages to dance upon the burning asphalt. Weather in June »

Weather in July

July in Douglas is synonymous with hot summer days interspersed with episodes of refreshing rainfall. Amidst the sweltering temperatures, the enveloping humidity imparts a tropical feel to the city. This month receives the most significant amount of rain, boasting 2.44" (62mm) of precipitation over 18.4 days. Weather in July »

Weather in August

August in Douglas perseveres with summer's sultriness, as temperatures hover around their annual peak. Occasional bouts of rain provide a welcome respite from the persistent heat. Nevertheless, the hazy mornings and sultry afternoons brim with a languid warmth. Weather in August »

Weather in September

September gifts Douglas with the first indication of autumn’s approaching coolness. The weather gradually evolves, bridging the gap between the intense heat of previous months and the forthcoming coolness. However, September continues to retain much of summer's warmth. Weather in September »

Weather in October

October reveals Douglas drenched in a colorful fall palette. As the sweltering heat dissipates, residents relish cooler temperatures. The sanguine sunsets and russet leaves echo the tranquillity of autumn. Temperatures further drop to an average high of 77.4°F (25.2°C), signaling the departure from summer. Weather in October »

Weather in November

November in Douglas heralds the arrival of winter, as temperatures progressively descend. The city begins to hunker down for the colder months, with scarves and jackets becoming common sights. Though it's a less colorful time of year, November highlights the city's stark beauty. Weather in November »

Weather in December

December marks the peak of the cold season in Douglas. With its biting frosts and early dusk, this month engages fully with winter. A tranquil calm descends with the shorter days and longer nights. The month sees a humble 0.04" (1mm) of snowfall, putting a cap on the city’s yearly weather cycle. Weather in December »
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain?

Throughout the year, there are 80.7 rainfall days, and 9.33" (237mm) of precipitation is accumulated.

When does it snow?

January, February and December are months with snowfall.

How many days does it snow?

Throughout the year, there are 0.8 snowfall days, and 0.83" (21mm) of snow is accumulated.

What are the months with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.47" (12mm) of snow.

When it does not snow?

March through November are months without snowfall.

What is the driest month?

The months with the least rainfall in Douglas are April and May Rain falls for 2.8 days and accumulates 0.08" (2mm) of rain.

What is the least humid month?

The least humid month is May, with an average relative humidity of 22%.

What part of the year is the hottest?

June is the warmest month in Douglas, with an average high-temperature of 93.2°F (34°C) and an average low-temperature of 66.9°F (19.4°C).

When are the longest days in Douglas?

The month with the longest days is June, with an average of 14h and 12min of daylight.

What is the month with the highest UV index in Douglas?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the wettest month in Douglas?

July is the month with the most rainfall in Douglas. Rain falls for 18.4 days and accumulates 2.44" (62mm) of precipitation.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 12.2h of sunshine.

What is the coldest time of year?

December, with average temperatures reaching a high of 57.9°F (14.4°C) and a low of 39.2°F (4°C), is the coldest month.

What is the most humid month?

With an average relative humidity of 49%, December is the most humid month.

What is the month with the shortest days?

With an average of 10h and 6min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST)?

Douglas does not observe Daylight Saving Time (DST). MST timezone is used throughout the entire year.

What is the month with the least sunshine?

With an average of 7.1h of sunshine, December has the least sunshine of the year.

Average temperature
Douglas, AZ

Average temperature - Douglas, AZ

The warmest month (with the highest average high temperature) is June (93.2°F).
The month with the lowest average high temperature is December (57.9°F).

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure
Douglas, AZ

Average pressure - Douglas, AZ

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed
Douglas, AZ

Average wind speed - Douglas, AZ

The windiest month (with the highest average wind speed) is May (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity
Douglas, AZ

Average humidity - Douglas, AZ

The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).

Average rainfall
Douglas, AZ

Average rainfall - Douglas, AZ

The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are April and May (0.08").

Average rainfall days
Douglas, AZ

Average rainfall days - Douglas, AZ

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is May (1.8 days).

Average snowfall
Douglas, AZ

Average snowfall - Douglas, AZ

The month with the highest snowfall is February (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days
Douglas, AZ

Average snowfall days - Douglas, AZ

The months with the highest number of snowfall days are February and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Douglas, AZ

Average daylight / Average sunshine - Douglas, AZ

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days
Douglas, AZ

Average sunshine days - Douglas, AZ

The month with the most sunshine days is May (28.9 days).
The month with the least sunshine days is July (7.2 days).

Average UV index
Douglas, AZ

Average UV index - Douglas, AZ

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average visibility
Douglas, AZ

Average visibility - Douglas, AZ

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Douglas, Arizona, USA

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