May weather forecast
Bellefonte, DE

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Weather in May

The Bellefonte weather in May is characterized by milder temperatures and the continuation of routine spring rainfall. The temperature range from 61.3°F (16.3°C) to 71.6°F (22°C) implies May is indeed warmer than April. With daylight stretching over 14 hours, outdoor activities become the norm. The town thrives during this month, filled with the vibrant colors of spring. The longer, sunnier days bring forth an energy unique to this time of the year.

Temperature

The transition from April to May brings a temperature rise, with average high-temperatures increasing from an enjoyable 61.3°F (16.3°C) to a pleasant 71.6°F (22°C). In the month of May, Bellefonte experiences an average low-temperature of 54.5°F (12.5°C).

Humidity

In Bellefonte, the average relative humidity in May is 77%.

Rainfall

In Bellefonte, during May, the rain falls for 18.7 days and regularly aggregates up to 3.19" (81mm) of precipitation. In Bellefonte, during the entire year, the rain falls for 168.9 days and collects up to 35.55" (903mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Bellefonte, Delaware. May is the last month it regularly snows in Bellefonte. During 0.1 snowfall days, in May, Bellefonte aggregates 0.12" (3mm) of snow. In Bellefonte, during the entire year, snow falls for 21.9 days and aggregates up to 12.05" (306mm) of snow.

Daylight

In Bellefonte, Delaware, the average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of May, in Bellefonte, sunrise is at 5:35 am and sunset at 8:23 pm EDT.

Sunshine

In Bellefonte, the average sunshine in May is 8.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in May leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What are the temperatures in Bellefonte in May?

During May, Bellefonte experiences an average high-temperature of 71.6°F (22°C) and a low-temperature of 54.5°F (12.5°C).

What is the average humidity in May in Bellefonte?

In May, the average relative humidity in Bellefonte, Delaware, is 77%.

How many days does it rain in May in Bellefonte?

In Bellefonte, during May, the rain falls for 18.7 days and regularly aggregates up to 3.19" (81mm) of precipitation.

What is the last month it snows in Bellefonte?

May is the last month it regularly snows in Bellefonte. During 0.1 snowfall days, in May, Bellefonte aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in Bellefonte?

In May, the average day length is 14h and 23min.

When is the sunrise / sunset in May in Bellefonte?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of the month, in Bellefonte, sunrise is at 5:35 am and sunset at 8:23 pm EDT.

How long on average sun shines in May in Bellefonte?

In Bellefonte, Delaware, the average sunshine duration in May is 8.6h.

When is the highest UV index in Bellefonte?

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

What is the UV index reading in May in Bellefonte?

In Bellefonte, Delaware, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
61.3°F 16.3°C
71.6°F 22°C
79.5°F 26.4°C
Average low temperature
44.6°F 7°C
54.5°F 12.5°C
62.8°F 17.1°C
Average pressure
29.99" 762mmHg
30.01" 762mmHg
29.94" 760mmHg
Average wind speed
8.5mph 13.7km/h
6.8mph 10.9km/h
6.3mph 10.1km/h
Average max. wind speed
9.2mph 14.8km/h
7.3mph 11.7km/h
6.9mph 11.1km/h
Average wind speed gusts
13mph 20.9km/h
10.4mph 16.7km/h
9.8mph 15.8km/h
Average humidity
72%
77%
75%
Average rainfall
2.87" 73mm
3.19" 81mm
3.07" 78mm
Average rainfall days
16.3
18.7
17.5
Average snowfall
0.31" 8mm
0.12" 3mm
0" 0mm
Average snowfall days
0.4
0.1
0
Average daylight
13h 2min
14h 2min
14h 5min
Average sunshine
8h 3min
8h 4min
10h 0min
Average sunshine days
11.9
9.8
9.9
Average UV index
4
6
6
Average cloud cover
43%
46%
36%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in May
Bellefonte, DE

Average temperature in May - Bellefonte, DE
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in May: 54.5°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 (25.3°F).

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Average pressure in May
Bellefonte, DE

Average pressure in May - Bellefonte, DE
  • Average pressure in May: 30.01"Hg

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

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Average wind speed in May
Bellefonte, DE

Average wind speed in May - Bellefonte, DE
  • Average wind speed in May: 6.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in May
Bellefonte, DE

Average humidity in May - Bellefonte, DE
  • Average humidity in May: 77%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in May
Bellefonte, DE

Average rainfall in May - Bellefonte, DE
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

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Average rainfall days in May
Bellefonte, DE

Average rainfall days in May - Bellefonte, DE
  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in May
Bellefonte, DE

Average snowfall in May - Bellefonte, DE
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Bellefonte, DE

Average snowfall days in May - Bellefonte, DE
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Bellefonte, DE

Average daylight in May / Average sunshine in May - Bellefonte, DE
  • Average daylight in May: 14h and 2min

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).

  • Average sunshine in May: 8h and 4min

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).

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Average sunshine days in May
Bellefonte, DE

Average sunshine days in May - Bellefonte, DE
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).

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Average UV index in May
Bellefonte, DE

Average UV index in May - Bellefonte, DE
  • Average UV index in May: 6

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).

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Average cloud cover in May
Bellefonte, DE

Average cloud cover in May - Bellefonte, DE
  • Average cloud cover in May: 46

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in May
Bellefonte, DE

Average visibility in May - Bellefonte, DE
  • Average visibility in May: 6mi

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).

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Bellefonte, Delaware, USA

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