Climate and monthly weather forecast
Middletown, DE

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The climate of Middletown

Under the Köppen climate classification, Middletown of Delaware, USA, experiences a predominant climate categorized as Cfa, which stands for a humid subtropical weather with no dry season. The town sits at a geographical vantage point that exposes it to varying weather patterns throughout the year. Changes in temperature, rainfall, and other weather phenomena are essential characteristics of the Middletown climate.

Over the course of the year, temperatures in Middletown range broadly from 26.8°F (-2.9°C) in January to a high of 84.7°F (29.3°C) in July. This considerable variation in temperature directs the seasonal shifts of the region's weather. Complementing the changes in temperature is a consistent relative humidity averaging between 72% and 78%. While rainfall increases during the summer months peaking at 2.72" (69mm) in August, snowfall is primarily a winter occurrence with January and March witnessing a minor share of 1.57 and 1.5" (38mm) respectively.

Daylight hours extend from a shorter 9.8 hours in January to a longer 14.9 hours in June, corresponding with the summer solstice. The amount of sunshine enjoyed varies from a yearly low of 4.9 hours in February to a high of 10.6 hours in July. A notable feature is the wind speed, which moderately fluctuates over the year, with higher speeds from 8.8mph (14.2km/h) to 9mph (14.5km/h) between January and April and slower wind speeds ranging from 5.5mph (8.9km/h) to 7.1mph (11.4km/h) from July to October.

The best time to visit Middletown

Considering the climatic conditions, the optimal time to visit Middletown stands out to be from late spring to early summer. During this period, the highest temperatures range from 62.4°F (16.9°C) to 79.9°F (26.6°C) and the lower spectrum varies from 46°F (7.8°C) to 63.1°F (17.3°C). The complementing longer daylight hours ranging from 13.3 hours in April to 14.9 hours in June allow for more exploration and outdoor activities. A relative dropdown in rainfall during these months, specifically 1.54" (39mm) in April, combined with a substantial 8.5 to 10.1 sunshine hours further enhances the exploratory experiences in Middletown.

The worst time to visit Middletown

Visitors may find the winter months from December to February less inviting, primarily due to lower temperatures and less sunshine. The highest temperatures during these months barely rise beyond the 38.7°F (3.7°C) to 42.3°F (5.7°C) range, with lowest temperatures dipping to around 26.8°F (-2.9°C) in January, the coldest month. The hours of daylight decrease considerably to approximately 9.8 hours in December and 10.7 hours in February, with limited sunshine hours hovering from 5.1 to 5.2 hours.

Spring weather in Middletown

Spring ushers in a noticeable shift in the climate of Middletown. From March to May, the high temperatures steadily increase from 50.4°F (10.2°C) to 72.1°F (22.3°C), while the minimum temperatures ascend from 36°F (2.2°C) to 55.2°F (12.9°C). Rainfall averages range 1.54 to 1.93" (49mm), exhibiting a steady increase towards the end of this period. The commencement of these warmer months essentially marks the end of snowfall. Daylight duration expands from 12 hours in March to 14.4 hours in May, providing ample daylight.

Summer weather in Middletown

Summer in Middletown, spanning June through August, sees high temperatures hovering around a comfortable range of 79.9°F (26.6°C) to 84.7°F (29.3°C). The lowest temperatures constitute a comfortable 63.1°F (17.3°C) in June to a warmish 68.4°F (20.2°C) in July. Rainfall reach its peak in August. Weather is typically characterized by longer daylight hours, reaching 14.9 hours in June and gradually reducing to 13.7 hours by August.

Autumn weather in Middletown

In autumn, there is a perceptible cooling in Middletown. From September to November, high temperatures drop from 77°F (25°C) to 53.8°F (12.1°C), and lower temperatures shift from 61°F (16.1°C) to a brisk 40.1°F (4.5°C) by November. The average rainfall hovers between 1.46 to 1.57" (40mm) during this season, offering comparatively drier conditions apart from the onset of cooler weather.

Winter weather in Middletown

Winter in Middletown exhibits a colder profile. The temperatures range from 26.8°F (-2.9°C) to 45°F (7.2°C), with the coldest peak in January. Snowfall is light and primarily restricted to January with about 1.57" (40mm), and minor occurrence in March and December. Average daylight hours recede to its annual minimum, with just 9.8 hours in December and all the way up to 10.7 hours in February.

Weather in January

January in Middletown, Delaware manifests as typical winter weather. Snowfall is a common sight with an average of 1.57" (40mm), and an average of 4.5 days of snowfall. Compared to the upcoming February, January features colder temperatures but significantly fewer rainy days. Weather in January »

Weather in February

As the calendar turns to February, the weather in Middletown, Delaware continues on its cold winter course. The average lowest temperature of the month increases to 29.7°F (-1.3°C). While this is still relatively cold, it indicates a gradual warming trend in comparison to January. Weather in February »

Weather in March

March in Middletown is a transitional period as the grip of winter eases and signs of spring become more apparent. Once heavy with snow, the landscape begins clearing up with a notable decrease in snowfall to 1.5" (38mm). There is a significant uptick in both the highest and lowest average temperatures, suggesting that the spring thaw is firmly underway. Weather in March »

Weather in April

By April, Middletown sheds the vestiges of winter entirely. The snowfall drops down to a negligible 0.2" (5mm), marking the true departure from the winter chill. As a striking contrast to March, the rise in temperatures is quite perceptible, with the average high reaching 62.4°F (16.9°C). Weather in April »

Weather in May

May in Middletown, Delaware marks the onset of mild summer weather. Notably, snowfall is entirely absent, reflecting the city’s shift into a warmer season. The weather continues to warm up steadily from April, bringing higher temperatures that are ideal for outdoor activities. Weather in May »

Weather in June

As summer sets in Middletown, June brings noticeably warmer temperatures. Temperatures rise from May, with the average high peaking at 79.9°F (26.6°C). The weather is comfortably warm rather than scorching, making the month perfect for enjoying outdoor activities. Weather in June »

Weather in July

July is the summer climax in Middletown, with warm temperatures dominating the entire month. The average highest temperature reaches a yearly peak of 84.7°F (29.3°C). As compared to the cooler June, July is significantly heated and hazy. Weather in July »

Weather in August

In August, Middletown, Delaware experiences typical late summer weather. While temperatures fall slightly from July, the highest average temperature still hovers around 82.9°F (28.3°C), indicating a relatively warm climate. A slight decrease in temperature is noted, which denotes the nearing end of the hot summer and an approaching autumn season. Weather in August »

Weather in September

September in Middletown marks the shift from summer to more temperate fall weather. Temperatures start to cool down further from August with the highest average temperature dropping to 77°F (25°C). The sinking temperatures signify the gradual arrival of autumn, as the hot summer begins to fade. Weather in September »

Weather in October

October in Middletown brings evident autumn weather as temperatures continue to decline. The weather, shifting from the summer heat of September, now sees an average high temperature of 65.3°F (18.5°C). Trees clothe themselves in fall colors, and the crisp air evolves into a starker contrast to the waning warmth of September. Weather in October »

Weather in November

November sees Middletown, Delaware transitioning into the colder months. The stark decrease in temperatures from October is evident, with the average high falling to 53.8°F (12.1°C). The changes in climate mark the approaching winter season, as the last remnants of fall are swept away. Weather in November »

Weather in December

December in Middletown marks the return of winter weather with the average lowest temperature dropping to 34°F (1.1°C). A stark difference from the slightly warmer temperatures in November indicates the full-blown onset of winter. Weather in December »

Frequently asked questions

What is the coldest month?

Middletown records the coldest temperatures in January, averaging a high of 38.7°F (3.7°C) and a low of 26.8°F (-2.9°C).

What is the driest month?

January is the month with the least rainfall. Rain falls for 7.4 days and accumulates 1.26" (32mm) of precipitation.

How many days does it rain?

In Middletown, during the entire year, the rain falls for 134.6 days and collects up to 21.14" (537mm) of precipitation.

When does it snow?

January through April, November and December are months with snowfall.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 4.5 days and typically aggregates up to 1.57" (40mm) of snow.

How many days does it snow?

In Middletown, during the entire year, snow falls for 14.2 days and aggregates up to 5.16" (131mm) of snow.

What are the months with the lowest UV index?

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

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.9h of sunshine.

When is Daylight Saving Time (DST)?

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.

What is the least humid month?

The least humid month is April, with an average relative humidity of 72%.

What is the most humid month?

The months with the highest humidity are May, June and September, with an average relative humidity of 78%.

When it does not snow in Middletown?

In Middletown, snow does not fall in May through October.

What is the month with the highest UV index?

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

When are the longest days?

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

What are the warmest months?

Middletown, Delaware, experiences its highest temperatures in July, with an average peak of 84.7°F (29.3°C) and a low of 68.4°F (20.2°C).

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

What is the wettest month?

The month with the most rainfall in Middletown is August, when the rain falls for 13.6 days and typically aggregates up to 2.72" (69mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Middletown, DE

Average temperature - Middletown, DE

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.7°F).

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure
Middletown, DE

Average pressure - Middletown, DE

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Middletown, DE

Average wind speed - Middletown, DE

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity
Middletown, DE

Average humidity - Middletown, DE

The months with the highest relative humidity are May, June and September (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Middletown, DE

Average rainfall - Middletown, DE

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days
Middletown, DE

Average rainfall days - Middletown, DE

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.4 days).

Average snowfall
Middletown, DE

Average snowfall - Middletown, DE

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Middletown, DE

Average snowfall days - Middletown, DE

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Middletown, DE

Average daylight / Average sunshine - Middletown, 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 24min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days
Middletown, DE

Average sunshine days - Middletown, DE

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (13.3 days).

Average UV index
Middletown, DE

Average UV index - Middletown, 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, February, November and December (UV index 2).

Average visibility
Middletown, DE

Average visibility - Middletown, 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).

Middletown, Delaware, USA

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