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
Highlands of Olney in May sees a temperature change, with average high-temperatures moving from a refreshing 64.2°F (17.9°C) in April to a warm 73.9°F (23.3°C). In May, Highlands of Olney experiences a temperature dip to an average of 55.8°F (13.2°C) at night.Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 76%.Rainfall
In Highlands of Olney, during May, the rain falls for 17.8 days and regularly aggregates up to 3.23" (82mm) of precipitation. In Highlands of Olney, during the entire year, the rain falls for 160.9 days and collects up to 32.99" (838mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 14h and 20min.On the first day of May, sunrise is at 6:08 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:28 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Highlands of Olney. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary 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. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Highlands of Olney in May?
What are the most humid months?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May in Highlands of Olney?
When are sunrise and sunset in May?
How long on average sun shines in May in Highlands of Olney?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Highlands of Olney, MD
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in May: 55.8°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in May
Highlands of Olney, 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).
Average wind speed in May
Highlands of Olney, MD
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Highlands of Olney, MD
- Average humidity in May: 76%
The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Highlands of Olney, MD
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in May
Highlands of Olney, MD
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Highlands of Olney, MD
- Average snowfall in May: 0"
The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Highlands of Olney, MD
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (5.1 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
Highlands of Olney, 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 30min).
- Average sunshine in May: 8h and 5min
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 0min).
Average sunshine days in May
Highlands of Olney, MD
- Average sunshine days in May: 11 days
The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in May
Highlands of Olney, 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, November and December (UV index 2).
Average cloud cover in May
Highlands of Olney, MD
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Highlands of Olney, MD
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Highlands of Olney, Maryland, USA
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