Climate and monthly weather forecast
Harbeson, DE

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The climate of Harbeson

Harbeson, Delaware, occupies a geographical position that defines its climate type according to the Köppen climate classification system as Cfa, meaning it is of the humid subtropical variety without a distinct dry season. This classification corresponds to a climate that witnesses significant rainfall throughout the year, not restricted to any specific season.

A deep-dive into the climatic parameters of Harbeson reveals an interesting spread of data across the calendar. A yearly contemplation sees temperatures ranging from as low as 30.6°F (-0.8°C) in the colder months to a full bloom of 82.4°F (28°C) during the peak of summer, The amount of rainfall, however, stays uniformly distributed over the year varying between 0.71" (18mm) to 1.38" (35mm) per month which confirms Harbeson's no-dry season status as per Köppen's classification.

The relative humidity in Harbeson maintains a fairly stable profile throughout the year residing in the mid-seventies. Interestingly, the duration of daylight observed in Harbeson ranges from 9.5 hours in the month with the least daylight to as much as 14.8 hours during the longest days of the year typically in summer.

The unique characteristic of Harbeson’s climate would be the highest recorded rainfall of 1.38" (35mm) in the month of August which is traditionally considered to be a summer month in most regions.

The best time to visit Harbeson

Considering the climate conditions and weather statistics, the ideal time for a visit to Harbeson would be from May to October. During this period, the temperatures are comfortably warm ranging between 59.9°F (15.5°C) and 82.4°F (28°C). Moreover, days are longer with more than 14 hours of daylight available, providing ample room for outdoor activities. The rainfall is moderate and evenly spread throughout these months, enhancing the beauty of Harbeson without causing any major inconveniences.

The worst time to visit Harbeson

The worst time to visit Harbeson, Delaware, would be during the late autumn and winter months, specifically from November to February. During this time, the climate tends to get significantly cold with temperatures dipping as low as 30.6°F (-0.8°C). Moreover, the days become shorter with a mere 9.5 to 10.1 hours of daylight available which limits outdoor exposure and activities.

Spring weather in Harbeson

Spring in Harbeson, extending from March to May, experiences a significant temperature rise from an average monthly low of 37.9°F (3.3°C) to a high of 68.5°F (20.3°C). Rainfall during these months registers a relative high, with the season witnessing on average, 0.71" (18mm) in March increasing to 1.02" (26mm) in May. Meanwhile, daylight hours progressively rise from 12 hours in March to a near peak of 14.3 hours in May.

Summer weather in Harbeson

Summer season in Harbeson commences in June, extending through August. During this period, temperature highs can reach up to 82.4°F (28°C). Interestingly, rainfall reaches its peak during summer, with August recording 1.38" (35mm), the highest in the year. Nevertheless, this coincides with the maximum daylight hours making it a perfect period for exploring the best of Harbeson.

Autumn weather in Harbeson

Autumn descends from September through November in Harbeson. This season experiences a gradual fall in temperature from 75.7°F (24.3°C) in September to 54.9°F (12.7°C) coming November. Rainfall remains considerable between 0.63" (16mm) to 0.91" (23mm) while daylight sees a noticeable decrease from 12.4 hours in September to 10.1 hours towards the end of November.

Winter weather in Harbeson

Winter in Harbeson commences from December and lasts until February. This is the coldest period of the year with temperatures reaching lows between 30.6°F (-0.8°C) to 32.7°F (0.4°C). Rainfall during winter months drops slightly and range between 0.71" (18mm) to 0.83" (21mm). Daylight hours range from 9.5 to 10.8 hours making winter days noticeably shorter. However, despite the cold, Harbeson remains scenic as ever, offering unique vistas for those willing to brave the winter chill.

Weather in January

This month features cool temperatures and short hours of daylight. The longer nights make room for lower temperatures. January has the lowest temperatures of the year, with the lowest at 30.6°F (-0.8°C) and the highest at 41°F (5°C). Weather in January »

Weather in February

The weather in Harbeson starts to show signs of improvement in February. There is a small increase in hours of daylight. With a minor escalation in temperatures, the month sets the standard for the incoming spring, having a minimum of 32.7°F (0.4°C) and a maximum of 43.3°F (6.3°C). Weather in February »

Weather in March

March in Harbeson, Delaware experiences a significant weather shift. The arrival of spring initiates warming, and the cool January-February phase begins to diminish. The highest temperature touches 49.6°F (9.8°C), hinting at the forthcoming warm days. Weather in March »

Weather in April

The consistent rise in temperatures continues in April. Harbeson begins to wear a warm look, dispelling the clouds of winter. The change in seasons carries along with an increase in daylight hours. Moreover, the month witnesses a significant peak in temperatures that range from 48°F (8.9°C) to 59.9°F (15.5°C). Weather in April »

Weather in May

May in Harbeson brings the true spirit of spring. Rising temperatures, lush greenery, and increased daylight hours characterize the month. With temperatures swinging between 57.6°F (14.2°C) and 68.5°F (20.3°C), the warm and clear days invite outdoor activities. Weather in May »

Weather in June

June offers the first taste of summer to the residents of Harbeson, Delaware. The daytime gets longer, and the increase in temperatures is evident. With a temperature dipping to 66.2°F (19°C) and a soaring highest of 77.5°F (25.3°C), it marks the start of summer. Weather in June »

Weather in July

July is the hottest month in Harbeson and marks the peak of summer. The sunlight is more substantial than in any other month, and temperatures remain consistently high. With a margin from 71.4°F (21.9°C) to 82.4°F (28°C), it's the period of maximum temperature in the year. Weather in July »

Weather in August

Harbeson sustains the summer heat into August as well. The sun continues to shine brightly for long hours; however, subtle signs of incoming autumn start to surface. Even though temperatures from 70°F (21.1°C) to 81.1°F (27.3°C) persist, the nights start to get cooler gradually. Weather in August »

Weather in September

September brings a significant change in Harbeson's weather. There is a noticeable drop in temperatures and shorter daylight hours. With temperatures hovering between 65.3°F (18.5°C) and 75.7°F (24.3°C), it marks the commencement of the fall season. Weather in September »

Weather in October

October welcomes the crisp fall days into Harbeson, Delaware. The transition of foliage colors and the cooler temperatures are reminiscent of the typical fall weather. With a temperature difference from 55.8°F (13.2°C) to 66°F (18.9°C), October presents a perfect mix of mild days and cold nights. Weather in October »

Weather in November

November takes Harbeson deep into fall with a significant drop in temperature. As the city prepares for the arriving winter, the color of the foliage starts to fade. The temperatures decrease further from 44.1°F (6.7°C) to 54.9°F (12.7°C), pointing to the encroaching colder season. Weather in November »

Weather in December

December marks the advent of winter in Harbeson, Delaware. Temperatures drop further and daylight becomes scarce, wrapping the city in a winter blanket. The range of temperatures from 37.8°F (3.2°C) to 47.1°F (8.4°C) presets the chilly climate. Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Harbeson witnesses the coldest weather in January, with temperatures averaging a high of 41°F (5°C) and a low of 30.6°F (-0.8°C).

What is the least humid month?

The months with the lowest humidity are January and November, with an average relative humidity of 74%.

How many days does it rain?

In Harbeson, during the entire year, the rain falls for 124.9 days and collects up to 11.34" (288mm) of precipitation.

When does it snow?

January through March, May, November and December are months with snowfall.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 3.8 days and accumulates 0.75" (19mm) of snow.

How many days does it snow?

In Harbeson, Delaware, during the entire year, snow falls for 10.7 days and aggregates up to 1.97" (50mm) of snow.

When is the lowest UV index?

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?

With an average of 5.1h of sunshine, February has the least sunshine of the year.

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.

When it does not snow?

April, June through October are months without snowfall.

What is the most humid month?

With an average relative humidity of 80%, May is the most humid month.

When is the highest UV index?

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

When are the longest days?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What month is the hottest in Harbeson?

July proves to be the warmest month, recording an average peak temperature of 82.4°F (28°C) and a minimum temperature of 71.4°F (21.9°C).

What month has the most sunshine?

July has the most sunshine of the year, with an average of 11h of sunshine.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 13.1 days and typically aggregates up to 1.38" (35mm) of precipitation.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 0.63" (16mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

Average temperature
Harbeson, DE

Average temperature - Harbeson, DE

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (41°F).

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure
Harbeson, DE

Average pressure - Harbeson, 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
Harbeson, DE

Average wind speed - Harbeson, DE

The windiest months (with the highest average wind speed) are January and February (10.8mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity
Harbeson, DE

Average humidity - Harbeson, DE

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall
Harbeson, DE

Average rainfall - Harbeson, DE

The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days
Harbeson, DE

Average rainfall days - Harbeson, DE

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is November (6.7 days).

Average snowfall
Harbeson, DE

Average snowfall - Harbeson, DE

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days
Harbeson, DE

Average snowfall days - Harbeson, DE

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Harbeson, DE

Average daylight / Average sunshine - Harbeson, DE

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days
Harbeson, DE

Average sunshine days - Harbeson, DE

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).

Average UV index
Harbeson, DE

Average UV index - Harbeson, 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 visibility
Harbeson, DE

Average visibility - Harbeson, 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).

Harbeson, Delaware, USA

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