May weather forecast
Thurmont, MD

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Weather in May

May in Thurmont, Maryland is the precursor to the onset of summer, with warmer temperatures ruling the day. The rain is more frequent, reaching 3.5" (89mm), and is evenly distributed throughout the month. Colorful flowers and flourishing vegetation become the main features of the landscape, showcasing May's vibrant weather. Rainfall tends to bring cooler temperatures in the evenings, offering a pleasant relief from the afternoon heat. With no trace of snowfall, weather during May is ideal for outdoor activities and enjoying the scenic beauty of Thurmont, Maryland.

Temperature

As Thurmont transitions into May, the average high-temperature is observed to rise from a comfortable 61.9°F (16.6°C) in April to a pleasant 71.8°F (22.1°C). Throughout May, Thurmont witnesses a nighttime temperature average of 52.2°F (11.2°C).

Humidity

The average relative humidity in May in Thurmont is 79%.

Rainfall

May is the month with the most rainfall in Thurmont. Rain falls for 18.3 days and accumulates 3.5" (89mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Thurmont. During 0.1 snowfall days, in May, Thurmont aggregates 0.16" (4mm) of snow. In Thurmont, during the entire year, snow falls for 26.7 days and aggregates up to 14.13" (359mm) of snow.

Daylight

In Thurmont, the average length of the day in May is 14h and 23min.
On the first day of May, sunrise is at 6:09 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:30 pm EDT.

Sunshine

The average sunshine in May is 8.4h.

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 hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What are May temperatures in Thurmont?

The average high-temperature, in May, in Thurmont, is 71.8°F (22.1°C), while the average low-temperature is 52.2°F (11.2°C).

What is the average humidity in May in Thurmont?

The average relative humidity in May in Thurmont is 79%.

What is the rainiest month in Thurmont?

The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.5" (89mm) of precipitation.

How many days does it rain in May in Thurmont?

In Thurmont, in May, it is raining for 18.3 days, with typically 3.5" (89mm) of accumulated precipitation.

What is the last month it snows in Thurmont?

May is the last month it regularly snows in Thurmont. During 0.1 snowfall days, in May, Thurmont aggregates 0.16" (4mm) of snow.

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

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

What time are sunrise and sunset in May in Thurmont?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 8:04 pm. On the last day of the month, in Thurmont, sunrise is at 5:44 am and sunset at 8:30 pm EDT.

How many hours of sunshine does Thurmont have in May?

In Thurmont, the average sunshine duration in May is 8.4h.

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

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

What is the UV index intensity in May in Thurmont?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Thurmont, MD

Average temperature in May - Thurmont, MD
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 52.2°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in May
Thurmont, MD

Average pressure in May - Thurmont, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Thurmont, MD

Average wind speed in May - Thurmont, MD
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in May
Thurmont, MD

Average humidity in May - Thurmont, MD
  • Average humidity in May: 79%

The month with the highest relative humidity is October (80%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in May
Thurmont, MD

Average rainfall in May - Thurmont, MD
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (2.2").

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Average rainfall days in May
Thurmont, MD

Average rainfall days in May - Thurmont, MD
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.7 days).

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Average snowfall in May
Thurmont, MD

Average snowfall in May - Thurmont, MD
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Thurmont, MD

Average snowfall days in May - Thurmont, MD
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.3 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
Thurmont, MD

Average daylight in May / Average sunshine in May - Thurmont, MD
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Thurmont, MD

Average sunshine days in May - Thurmont, MD
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in May
Thurmont, MD

Average UV index in May - Thurmont, MD
  • 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
Thurmont, MD

Average cloud cover in May - Thurmont, MD
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in May
Thurmont, MD

Average visibility in May - Thurmont, MD
  • Average visibility in May: 5mi

The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).

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Thurmont, Maryland, USA

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