Climate and monthly weather forecast
Wyoming, DE

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The climate of Wyoming

The climate evaluation arises from the Köppen climate classification, suggesting Wyoming, Delaware, USA, exhibits a predominantly humid subtropical climate with no dry season (Cfa). These classification details give insights into average monthly weather variations across the year.

An examination of the climatic data reveals fluctuations in weather factors such as temperature, rainfall, sunshine hours, and wind speed. As the year progresses, the highest temperatures are recorded from July to August, peaking at 84.2°F (29°C) in July, while the lowest surface temperatures occur around late January and reach their nadir at 28.8°F (-1.8°C). Hence, Wyoming demonstrates a variation in average temperature from 28.8°F (-1.8°C) to 84.2°F (29°C) over the year.

Considerable fluctuations in rainfall are apparent. The heaviest precipitation falls in July with an average of 3.15 in, while the minimum rainfall is observed in January and December with approximately 1.46 in and 2.09 in respectively. Furthermore, snowfall occurs prominently during January and March, but its presence is negligible for the remaining year.

The best time to visit Wyoming

If one prefers mild temperatures and enjoys outdoor tourist activities, May to October offers the most favorable timeframe. Temperatures during this period range from 61°F (16.1°C) to 81.9°F (27.7°C), with July showcasing the peak summer warmth of 84.2°F (29°C). Sunshine hours cross the 8 hours mark and reach a maximum of 10.8 hours in July. Relative humidity hovers around 78% to 79%, providing a pleasant atmosphere. Even with rainfall peaking during these months, the abundance of sunshine helps balance out any disruptions to outdoor plans.

The worst time to visit Wyoming

Visitors who are not winter enthusiasts might find the cold weather from December to February challenging. The climate during these months witnesses lower temperatures ranging from 28.8°F (-1.8°C) to 43.3°F (6.3°C). Reduced daylight hours, with a minimum of 9.5 hours in December, further adds to the winter chill. Snowfall, mainly in January with an average of 1.65 in, could prove disruptive for some travel plans.

Spring weather in Wyoming

Spring season in Wyoming springs forth with increasing warmth and extended daylight hours. From March through May, the average temperatures lie between 49.6°F (9.8°C) to 70.7°F (21.5°C), making it pleasant for visitors. The daylight hours extend from 12 hours in March to 14.3 hours in May, while sunshine shares increase from 6.6 hours in March to 8.9 hours in May.

Rainfall is relatively high during these months and averages from 1.77in in April to 2.4in in May. But increasing sunshine hours typically balance the higher precipitation rates and maintain the ambient conditions favorable for outdoor activities.

Summer weather in Wyoming

June, July, and August witnesses the peak of Wyoming's summer. Average temperatures during this peak heat envelope range between 78.8°F (26°C) and 84.2°F (29°C). July is the warmest month with prolonged daylight hours reaching their zenith at 14.9 hours.

Rainfall also reaches its peak during this season, averaging between 2.64in in June and 3.15in in August. Despite the substantial rainfall quantities, the number of sunshine hours remains high with an average ranging from 10.3 hours in June to 10.4 hours in August, making the summer months vibrant and attractive for tourism.

Autumn weather in Wyoming

Autumn in Wyoming experiences a decrease in temperatures and reduced rainfall compared to summer. Average temperatures dwindle from 76.3°F (24.6°C) in September to 54.3°F (12.4°C) in November. The number of daylight hours also decrease from 12.4 hours in September to 10 hours in November.

While September only experiences a mean rainfall of 1.89in and 12.9 rainy days, October and November exhibit slightly heavier rainfall, averaging 2.2in and 1.77in, respectively.

Winter weather in Wyoming

Early winter months, from December to February, showcase a sharp decrease in average temperature. It fluctuates from 46.2°F (7.9°C) in December to a significant dip of 28.8°F (-1.8°C) in February. With shorter daylight hours dipping to as low as 9.5 hours in December, and less sunshine spanning from 5.2 hours in December to 5.3 hours in February, the winter season becomes colder.

Rainfall during December inches up to 2.09in. However, the region also sees some snowfall during these chilly months, peaking at 1.65in in January before receding to 0.91in in February. The winter months are ideal for winter sports enthusiasts seeking snowy vistas and activities.

Weather in January

The start of the year in Wyoming, Delaware experiences cool temperatures and relatively low amounts of sunshine. January’s weather becomes distinctively cold with the lowest temperatures dropping to 28.8°F (-1.8°C), making it the coldest month of the year. Weather in January »

Weather in February

Weather patterns shift slightly in February with a marginal rise in temperatures and daylight hours as compared to January. February's unique characteristic lies in its substantial contrast in terms of snowfall, as it records 0.91" (23mm), a significant reduction from January's 1.65" (42mm). Weather in February »

Weather in March

The transition in Wyoming, Delaware's weather in March indicates the onset of spring. Greater weather changes take place, with temperatures upwards in a progressive trudge towards warmer spring days. A downside to March weather is the increase in the number South of rain days to 12.8 from 9.9 in February, causing prolonged periods of rainfall. Weather in March »

Weather in April

As Delaware enters deeper into spring in April, the weather transforms quite brilliantly. The remarkable feature of April is that snowfall becomes a non-existent factor; from 1.54" (39mm) in March, it drops to nothing in April. The significant sunshine hours increase from 6.6 in March to 8.7 in April, highlighting the warm and sunny weather. Weather in April »

Weather in May

May earmarks the conspicuous shift to warmer weather conditions in Wyoming, Delaware. May stands out for rainfall with 2.4" (61mm), making it the month with the highest precipitation measured before June. The temperature increase paired with high relative humidity intensify the sense of warmth. Weather in May »

Weather in June

June showcases a perfect harbinger of the summer season in Wyoming, Delaware. Month’s weather sees the highest amount of sunlight at 10.3 hours leading to brighter, longer days. A surge in the temperatures, a reduced cloud percentage, and increased daylight hours elevate the mood of the summer season. Weather in June »

Weather in July

The height of summer in Wyoming comes in July with weather conditions favoring a hot, sunny environment. July stands out for the highest temperatures of the year, touching a peak of 84.2°F (29°C). Temperature highs, coupled with constant daylight amounts as June and slightly reduced sunshine hours, enhance the intensity of the summer heat. Weather in July »

Weather in August

August continues the summer season with marginally cooler conditions than July in Wyoming, Delaware. August distinguishes itself by having the highest measured rainfall at 3.15" (80mm), marking the peak of the summer rainfall. While the summer sun maintains its dominance, August predicts decreased sunshine hours compared to July. Weather in August »

Weather in September

Wyoming, Delaware's weather in September marks the onset of the fall season with a slight drop in the temperature scale and cloud cover. No snowfall in September continues, from no snowfall since April. A reduction in daylight hours, combined with still warm temperatures, make September a delightful month. Weather in September »

Weather in October

October brings large-scale changes to the weather conditions in Wyoming, Delaware. The month shows a reduction in temperatures from the 70s°F in September to a high of 65.3°F (18.5°C) in October, setting the stage for the onset of the winter months. Weather in October »

Weather in November

November carries the mantle of the fall season forward with noticeable drops in temperatures and sunshine hours. November marks its identity with the return of snowfall after more than half a year, albeit only 0" (0mm). Rainfall and cloud coverage sees a decline, making way for brighter outdoor conditions. Weather in November »

Weather in December

December ushers in the winter season in full throttle, given the significant drop in temperature and daylight hours. December brings about considerable changes with the return of more snowfall, amounting to 0.51" (13mm), after having none in November. Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Wyoming?

January is the coldest month of the year in Wyoming, Delaware, registering average temperatures as high as 39.7°F (4.3°C) and as low as 28.8°F (-1.8°C).

What is the least humid month in Wyoming?

January, March, April and November, with an average relative humidity of 74%, are the least humid months.

What is the driest month in Wyoming?

The month with the least rainfall in Wyoming, Delaware, is January, when the rain falls for 8.2 days and typically collects 1.46" (37mm) of precipitation.

How many days does it rain in Wyoming?

Throughout the year, there are 152.3 rainfall days, and 26.3" (668mm) of precipitation is accumulated.

When does it snow in Wyoming?

Months with snowfall in Wyoming, Delaware, are January through March and December.

What is the snowiest month in Wyoming?

January is the month with the most snowfall. Snow falls for 3.5 days and accumulates 1.65" (42mm) of snow.

How much does it snow in Wyoming?

Throughout the year, in Wyoming, Delaware, there are 10.1 snowfall days, and 4.61" (117mm) of snow is accumulated.

What is the month with the lowest UV index in Wyoming?

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the month with the least sunshine in Wyoming?

February has the least sunshine of the year in Wyoming, Delaware, with an average of 5h of sunshine.

When is Daylight Saving Time (DST) in Wyoming?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Wyoming?

April through November are months without snowfall in Wyoming, Delaware.

What is the most humid month in Wyoming?

With an average relative humidity of 79%, May is the most humid month.

What are the months with the highest UV index in Wyoming?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days in Wyoming?

With an average of 14h and 54min of daylight, June has the longest days of the year in Wyoming.

What are the warmest months in Wyoming?

July is the warmest month of the year, registering average temperatures as high as 84.2°F (29°C) and as low as 70°F (21.1°C).

What month has the most sunshine in Wyoming?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Wyoming.

What is the rainiest month in Wyoming?

The month with the most rainfall is August, when the rain falls for 15.6 days and typically aggregates up to 3.15" (80mm) of precipitation.

What is the month with the shortest days in Wyoming?

With an average of 9h and 30min of daylight, December has the shortest days of the year.
Today
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Long-term
YearJFMAMJJASOND

Average temperature
Wyoming, DE

Average temperature - Wyoming, DE

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39.7°F).

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure
Wyoming, DE

Average pressure - Wyoming, DE

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Wyoming, DE

Average wind speed - Wyoming, DE

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity
Wyoming, DE

Average humidity - Wyoming, DE

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall
Wyoming, DE

Average rainfall - Wyoming, DE

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days
Wyoming, DE

Average rainfall days - Wyoming, DE

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).

Average snowfall
Wyoming, DE

Average snowfall - Wyoming, DE

The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days
Wyoming, DE

Average snowfall days - Wyoming, DE

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Wyoming, DE

Average daylight / Average sunshine - Wyoming, DE

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days
Wyoming, DE

Average sunshine days - Wyoming, DE

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index
Wyoming, DE

Average UV index - Wyoming, DE

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover
Wyoming, DE

Average cloud cover - Wyoming, DE

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility
Wyoming, DE

Average visibility - Wyoming, DE

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).

Wyoming, Delaware, USA

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