May weather forecast
Grimstead, VA

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Weather in May

May, the last month of the spring in Grimstead, is a moderately hot month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 74.8°F (23.8°C).

Temperature

A rise in the average high-temperature is observed during May, moving from a comfortable 65.8°F (18.8°C) in April to a moderately hot 74.8°F (23.8°C). An average low-temperature of 60.1°F (15.6°C) is recorded during the nights in May.

Humidity

The average relative humidity in May is 77%.

Rainfall

In Grimstead, in May, during 17.6 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Grimstead, during the entire year, the rain falls for 165.3 days and collects up to 34.25" (870mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Grimstead, the average length of the day in May is 14h and 12min.
On the first day of the month, sunrise is at 6:08 am and sunset at 7:55 pm. On the last day of May, in Grimstead, sunrise is at 5:45 am and sunset at 8:20 pm EDT.

Sunshine

In Grimstead, Virginia, the average sunshine in May is 9.4h.

UV index

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during May leads to these advisories:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What is the usual temperature for Grimstead in May?

The average high-temperature, in May, in Grimstead, is 74.8°F (23.8°C), while the average low-temperature is 60.1°F (15.6°C).

What is the average humidity in May?

The average relative humidity in May is 77%.

How much does it rain in Grimstead in May?

In Grimstead, in May, it is raining for 17.6 days, with typically 3.15" (80mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Grimstead have in May?

In May, the average day length in Grimstead is 14h and 12min.

What time are sunrise and sunset in May?

On the first day of May in Grimstead, Virginia, sunrise is at 6:08 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:20 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.4h.

How high is the UV index in May?

In Grimstead, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
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
Grimstead, VA

Average temperature in May - Grimstead, VA
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in May: 60.1°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

Average pressure in May
Grimstead, VA

Average pressure in May - Grimstead, VA
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Grimstead, VA

Average wind speed in May - Grimstead, VA
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in May
Grimstead, VA

Average humidity in May - Grimstead, VA
  • Average humidity in May: 77%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in May
Grimstead, VA

Average rainfall in May - Grimstead, VA
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in May
Grimstead, VA

Average rainfall days in May - Grimstead, VA
  • Average rainfall days in May: 17.6 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in May
Grimstead, VA

Average snowfall in May - Grimstead, VA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Grimstead, VA

Average snowfall days in May - Grimstead, VA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Grimstead, VA

Average daylight in May / Average sunshine in May - Grimstead, VA
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 2min

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 12min).

Average sunshine days in May
Grimstead, VA

Average sunshine days in May - Grimstead, VA
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in May
Grimstead, VA

Average UV index in May - Grimstead, VA
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in May
Grimstead, VA

Average cloud cover in May - Grimstead, VA
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in May
Grimstead, VA

Average visibility in May - Grimstead, VA
  • 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).

Grimstead, Virginia, USA

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