May weather forecastMontvale, VA

May

Weather in May

The last month of the spring, May, is a warm month in Montvale, Virginia, with an average temperature varying between 74.7°F (23.7°C) and 52.5°F (11.4°C).

Temperature

The shift into May brings an increase in the average high-temperature, moving from a comfortable 65.7°F (18.7°C) in April to a moderately hot 74.7°F (23.7°C). Despite a significant deviation from daily highs, May sees an average nighttime temperature of 52.5°F (11.4°C) in Montvale.

Humidity

The most humid month in Montvale is May, with an average relative humidity of 78%.

Rainfall

The month with the most rainfall in Montvale, Virginia, is May, when the rain falls for 16.2 days and typically aggregates up to 2.05" (52mm) of precipitation.

Snowfall

May through October are months without snowfall in Montvale, Virginia.

Daylight

In May, the average length of the day in Montvale is 14h and 11min.
On the first day of the month, sunrise is at 6:22 am and sunset at 8:09 pm. On the last day of May, in Montvale, sunrise is at 5:59 am and sunset at 8:33 pm EDT.

Sunshine

In Montvale, Virginia, the average sunshine in May is 9.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 during May translates into the following directions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

The average high-temperature and low-temperature during May are 74.7°F (23.7°C) and 52.5°F (11.4°C) respectively.

The most humid month in Montvale is May, with an average relative humidity of 78%.

The average relative humidity in May in Montvale, Virginia, is 78%.

The month with the most rainfall in Montvale is May, when the rain falls for 16.2 days and typically aggregates up to 2.05" (52mm) of precipitation.

In Montvale, during May, the rain falls for 16.2 days and regularly aggregates up to 2.05" (52mm) of precipitation.

In Montvale, snow does not fall in May through October.

In May, in Montvale, it doesn't snow. April is the latest month when it typically snows.

The average day length in May in Montvale, Virginia, is 14h and 11min.

On the first day of May, sunrise is at 6:22 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:33 pm EDT.

In Montvale, Virginia, the average sunshine duration in May is 9.3h.

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

The average daily maximum UV index in May in Montvale is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Montvale, VA

  • Average high temperature in May: 74.7°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in May: 52.5°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in May
Montvale, VA

  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in May
Montvale, VA

  • Average wind speed in May: 5.1mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in May
Montvale, VA

  • Average humidity in May: 78%

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

Average rainfall in May
Montvale, VA

  • Average rainfall in May: 2.05"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (0.87").

Average rainfall days in May
Montvale, VA

  • Average rainfall days in May: 16.2 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is November (6.9 days).

Average snowfall in May
Montvale, VA

  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Montvale, VA

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in May: 14h and 12min

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 18min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in May
Montvale, VA

  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in May
Montvale, 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
Montvale, VA

  • Average cloud cover in May: 41

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in May
Montvale, VA

  • Average visibility in May: 5mi

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