May weather forecast
Winchester, VA

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Weather in May

As May rolls in, Winchester basks in the full glory of the spring season. Amidst pleasing temperatures, it also brings the maximum rainfall recorded throughout the year, totaling to 3.23" (82mm). The heightened levels of sunshine and the extended daylight hours lend a pleasing ambience. Therefore, locals and tourists can enjoy a plethora of outdoor activities. Nights remain pleasantly cool despite the increasing daytime temperatures.

Temperature

The shift from April to May in Winchester, Virginia, sees an increase in the average high-temperature, transitioning from an enjoyable 63.3°F (17.4°C) to a pleasant 73°F (22.8°C). During the nights in May, Winchester experiences a consistent average temperature of 52.2°F (11.2°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.6 days and typically aggregates up to 3.23" (82mm) of precipitation.

Snowfall

Months with snowfall in Winchester are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Winchester aggregates 0.12" (3mm) of snow. In Winchester, during the entire year, snow falls for 26.2 days and aggregates up to 17.83" (453mm) of snow.

Daylight

In Winchester, the average length of the day in May is 14h and 20min.
On the first day of May, sunrise is at 6:13 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:32 pm EDT.

Sunshine

In Winchester, Virginia, the average sunshine in May is 9h.

UV index

The months with the highest UV index in Winchester are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Winchester in May?

The high-temperature in Winchester during May is 73°F (22.8°C) and the low-temperature is 52.2°F (11.2°C).

What is the average humidity in May in Winchester?

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

What is the wettest month in Winchester?

The month with the most rainfall in Winchester, Virginia, is May, when the rain falls for 18.6 days and typically aggregates up to 3.23" (82mm) of precipitation.

How much does it rain in Winchester in May?

In Winchester, Virginia, in May, during 18.6 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

What is the last month it snows in Winchester?

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

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

In Winchester, Virginia, the average day length in May is 14h and 20min.

When is the sunrise / sunset in May in Winchester?

In May, on the first day of the month, sunrise is at 6:13 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:32 pm EDT.

How long on average sun shines in May in Winchester?

In Winchester, the average sunshine duration in May is 9h.

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

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

What is the UV index intensity in May in Winchester?

In Winchester, Virginia, 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 the Sun's 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
Winchester, VA

Average temperature in May - Winchester, VA
  • Average high temperature in May: 73°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°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 (23.5°F).

Average pressure in May
Winchester, VA

Average pressure in May - Winchester, VA
  • 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).

Average wind speed in May
Winchester, VA

Average wind speed in May - Winchester, VA
  • Average wind speed in May: 5.6mph

The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in May
Winchester, VA

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

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is July (73%).

Average rainfall in May
Winchester, VA

Average rainfall in May - Winchester, VA
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in May
Winchester, VA

Average rainfall days in May - Winchester, VA
  • Average rainfall days in May: 18.6 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in May
Winchester, VA

Average snowfall in May - Winchester, VA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Winchester, VA

Average snowfall days in May - Winchester, VA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Winchester, VA
  • 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 30min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in May
Winchester, VA

Average sunshine days in May - Winchester, VA
  • Average sunshine days in May: 10 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10 days).

Average UV index in May
Winchester, VA

Average UV index in May - Winchester, VA
  • 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).

Average cloud cover in May
Winchester, VA

Average cloud cover in May - Winchester, VA
  • Average cloud cover in May: 43

The months with the most cloud cover are February, March and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in May
Winchester, VA

Average visibility in May - Winchester, VA
  • Average visibility in May: 5mi

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

Winchester, Virginia, USA

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