Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The beginning of May signals a minor rise in the average high-temperature, moving from a mild 58.8°F (14.9°C) in April to an enjoyable 67.8°F (19.9°C). Keller registers a gentle descent to an average nighttime low of 61.3°F (16.3°C) in May from its daytime highs.Humidity
With an average relative humidity of 80%, May is the most humid month in Keller.Rainfall
In Keller, in May, it is raining for 15.3 days, with typically 2.17" (55mm) of accumulated precipitation. In Keller, during the entire year, the rain falls for 161.5 days and collects up to 26.06" (662mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In May, the average length of the day is 14h and 13min.On the first day of May, sunrise is at 6:06 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:18 pm EDT.
Sunshine
In Keller, the average sunshine in May is 9.8h.UV index
In Keller, Virginia, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 6 in May suggests the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the temperature in May in Keller?
What is the most humid month in Keller?
What is the average humidity in May in Keller?
How much does it rain in Keller in May?
When it does not snow in Keller?
What is the average length of the day in May in Keller?
What time are sunrise and sunset in May in Keller?
How many hours of sunshine does Keller have in May?
What is the UV index reading in May in Keller?
Average temperature in May
Keller, VA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in May: 61.3°F
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in May
Keller, VA
- Average pressure in May: 30.03"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
Keller, VA
- Average wind speed in May: 11.3mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).
Average humidity in May
Keller, VA
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in May
Keller, VA
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in May
Keller, VA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
Keller, VA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Keller, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2 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
Keller, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in May
Keller, VA
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in May
Keller, VA
- Average UV index in May: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Keller, VA
- Average cloud cover in May: 35
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in May
Keller, 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).
Keller, Virginia, USA
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