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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another cold winter month in Highlands of Olney, Maryland, with an average temperature ranging between max 39°F (3.9°C) and min 26.2°F (-3.2°C). January is the coldest month, exhibiting average temperatures of 39°F (3.9°C) at the peak and 26.2°F (-3.2°C) at the base. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Highlands of Olney, Maryland, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 28.8°F (-1.8°C). February commences with an average high-temperature of a chilly 43.9°F (6.6°C), showing little deviation from January's 39°F (3.9°C). Weather in February »
Weather in March
March, the first month of the spring in Highlands of Olney, is a cool month, with an average temperature ranging between min 36.1°F (2.3°C) and max 52°F (11.1°C). Highlands of Olney in March experiences a slight uptick in the average high-temperature, adjusting from February's chilly 43.9°F (6.6°C) to a fresh 52°F (11.1°C). Weather in March »
Weather in April
April in Highlands of Olney, Maryland, is a comfortable spring month, with an average temperature varying between 64.2°F (17.9°C) and 46°F (7.8°C). April brings an increase in the average high-temperature, progressing from a cool 52°F (11.1°C) in March to a comfortable 64.2°F (17.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Highlands of Olney, Maryland, with an average temperature varying between 55.8°F (13.2°C) and 73.9°F (23.3°C). 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). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Highlands of Olney, Maryland, with an average temperature varying between 81.7°F (27.6°C) and 63.9°F (17.7°C). June's arrival sees a mild rise in the average high-temperature, transitioning from May's warm 73.9°F (23.3°C) to a still moderately hot 81.7°F (27.6°C). Weather in June »
Weather in July
July in Highlands of Olney, Maryland, is a hot summer month, with an average temperature varying between 68.7°F (20.4°C) and 87.3°F (30.7°C). Highlands of Olney's warmest month, July, registers temperatures that range from a high of 87.3°F (30.7°C) to a low of 68.7°F (20.4°C). July's average heat index is computed to be a sweltering 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in Highlands of Olney, is also a moderately hot month, with an average temperature fluctuating between 67.6°F (19.8°C) and 84.9°F (29.4°C). Highlands of Olney's average high-temperature in August sits at a warm 84.9°F (29.4°C), showing little difference from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Highlands of Olney, is also a moderately hot month, with an average temperature fluctuating between 78.1°F (25.6°C) and 60.8°F (16°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 84.9°F (29.4°C) to a still warm 78.1°F (25.6°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Highlands of Olney, Maryland, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 65.8°F (18.8°C). As Highlands of Olney enters October, the average high-temperature decreases from the a warm 78.1°F (25.6°C) of September to a comfortable 65.8°F (18.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Highlands of Olney, Maryland, with an average temperature fluctuating between 53.4°F (11.9°C) and 38.8°F (3.8°C). In the transition to November, Highlands of Olney observes a drop in the average high-temperature, moving from a refreshing 65.8°F (18.8°C) in October to a fresh 53.4°F (11.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Highlands of Olney, Maryland, with an average temperature ranging between max 45.3°F (7.4°C) and min 32.9°F (0.5°C). The onset of December entails a subtle temperature shift, as the average high-temperature eases from a cool 53.4°F (11.9°C) in November to a chilly 45.3°F (7.4°C). Weather in December »
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
January, with its average high-temperature of 39°F (3.9°C) and an average low-temperature of 26.2°F (-3.2°C), holds the record as the coldest month.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 2.17" (55mm) of precipitation.
How many days does it rain?
In Highlands of Olney, during the entire year, the rain falls for 160.9 days and collects up to 32.99" (838mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
When does it snow the most?
The months with the most snowfall are January and March, with an average 3.03" (77mm) of accumulated snow.
How much does it snow?
Throughout the year, in Highlands of Olney, there are 17.1 snowfall days, and 10.2" (259mm) of snow is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
With an average of 5h of sunshine, February has the least sunshine of the year.
When is Daylight Saving Time (DST) in Highlands of Olney?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What are the most humid months?
May, October and December, with an average relative humidity of 76%, are most humid months in Highlands of Olney.
When it does not snow?
May through October are months without snowfall.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What is the warmest month?
With its average high temperature of 87.3°F (30.7°C) and a low of 68.7°F (20.4°C), July is regarded as the warmest month.
What is the least humid month?
The least humid month in Highlands of Olney is July, with an average relative humidity of 70%.
What month has the most sunshine?
With an average of 10.8h of sunshine, July has the most sunshine of the year.
What is the rainiest month?
The month with the most rainfall is August, when the rain falls for 17.1 days and typically aggregates up to 4.13" (105mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Highlands of Olney, MD
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).
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
Highlands of Olney, MD
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"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
Highlands of Olney, MD
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.1mph
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
Highlands of Olney, MD
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
Highlands of Olney, MD
- Average rainfall in January:
2.17" - Average rainfall in February:
2.2" - Average rainfall in March:
2.44" - Average rainfall in April:
2.87" - Average rainfall in May:
3.23" - Average rainfall in June:
2.68"
- Average rainfall in July:
3.23" - Average rainfall in August:
4.13" - Average rainfall in September:
2.24" - Average rainfall in October:
2.6" - Average rainfall in November:
2.44" - Average rainfall in December:
2.76"
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
Highlands of Olney, MD
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
17.1 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
10.2 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
Highlands of Olney, MD
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
Highlands of Olney, MD
- Average snowfall days in January:
5.1 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.9 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 / Average sunshine
Highlands of Olney, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
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 January:
5h and 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
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
Highlands of Olney, MD
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
14 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
17.5 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
Highlands of Olney, MD
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
Highlands of Olney, MD
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
Highlands of Olney, MD
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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